智汇中心高层多层办公楼建设项目详细勘察报告(186页).pdf
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1、 智汇中心项目智汇中心项目详细勘察报告详细勘察报告 二二 O 二二 O 年四月年四月 I 目目 录录 1 前言.1 1.1 工程概况.1 1.2 勘察目的.1 1.3 勘察工作布置.2 1.4 勘察方法及完成的工作量.2 1.5 执行规范.3 2 场地工程地质条件.3 2.1 地形地貌.3 2.2 岩土体分布特征及性质.4 2.3 水文地质条件.7 3 地震效应、不良地质作用及特殊性岩土评价.10 3.1 地震效应.10 3.2 不良地质作用.11 3.3 特殊性岩土.12 4 场地稳定性与适应性评价.12 5 工程地质评价.13 5.1 岩土层力学性能及均匀性评价.13 5.2 基础选型建议2、.14 5.3 岩土层力学指标取值.14 5.4 地下水对桩基施工的影响及桩基成桩可行性分析.16 5.5 桩基施工条件及其对环境的影响.17 6 基坑工程分析评价.17 6.1 基坑安全等级.17 6.2 基坑开挖方案.17 6.3、基坑排水方案.18 6.4、基坑抗浮设计水位.18 7 结论与建议.19 II 附表:附表:1、勘探孔数据一览表.2 张 2、各勘探孔分层深度、高程、层厚一览表 6 张 3、土工试验物理力学性质指标统计表 1 张 4、土工试验报告 8 张 5、水质分析报告.2 张 6、土的易溶盐分析 1 张 7、标准贯入试验统计表 19 张 8、标准贯入试验液化判别计算表1 张3、 附图:附图:1、综合图例.1 张 2、勘探孔平面布置图 .2 张 3、工程地质剖面图 .19 张 4、钻孔柱状图.101 张 5、岩芯照片及场景照片.11 张 附件:附件:场地土剪切波速测试报告 1 1 前言前言 1.1 工程概况工程概况 拟建项目位于xx,香雪城及飞晟文汇广场北侧。场地与附近城市路相通,交通及施工条件较好。本期项目总占地面积约 31000m2,共规划建设 9 栋 820 层办公楼,框剪结构,拟采用桩基础。室外设计地坪标高为 23.0m。场地设 2 层地下室,地下室底板标高 12.5m。建筑物的地基变形允许值为:相邻柱基的沉降差为 0.002L(L 为柱距),整体倾斜允许值为4、 0.0035。受企业管理有限公司委托,我司于 2020 年3 月 21 日至 2020 年 4 月 9 日期间进入场地进行了详细勘察,本期具体建筑物情况见表 1 及附图“勘探点平面布置图”。主要建筑物情况一览表 表 1 编号(自编)建筑物类型 层数 地下室 建筑重要 性等级 预估最大单 柱荷载(kN)平均基底 压力(kPa)1#、9#、高层办公楼 20F 2F 二级 15000 300 2#、6#、8#高层办公楼 11F 2F 二级 8000 190 3#高层办公楼 18F 2F 二级 13000 270 4#、5#多层办公楼 8F 2F 二级 6000 160 7#高层办公楼 17F 2F5、 二级 13000 260 拟建物工程重要性等级为二级,场地复杂等级为二级,地基复杂程度为二级,岩土工程勘察等级为乙级。拟建工程建筑抗震设防类别为丙类。1.2 1.2 勘察目的勘察目的 本次勘察为详细勘察阶段,主要目的和任务是:(1)详细查明地质构造,地层结构,岩土工程特性,地下水埋藏条件;(2)详细查明拟建场地内岩土体类别、厚度分布特征及物理力学性质,计算和评价地基的稳定性和承载力,提供准确可靠的岩土工程参数;2 (3)详细查明场地内有无不良地质作用及提出防治意见;(4)划分场地土类型和场地类别,对场地地震效应进行评价;(5)详细查明地下水的埋藏条件及对建筑材料的腐蚀性;(6)对基础设计方案6、进行分析论证,建议经济合理的基础类型,选择合理的桩端持力层。(7)提供基坑支护设计方案与施工建议。1.3 1.3 勘察工作布置勘察工作布置 本次勘察为详细勘察,钻孔主要沿建筑边线及角点布置,钻孔间距约 1030m,共布置 101 个钻孔。其中控制孔 35 个,一般孔 66 个,取样孔 35 个,原位测试孔 55 个。钻孔要求进入中风化岩 35m。勘探孔位具体见附图 1“勘探点平面布置图”。1.41.4 勘察方法及完成的工作量勘察方法及完成的工作量 勘察过程采用全孔段取芯法,用泥浆、钢管护壁回转钻进;原位测试为标准贯入试验,采用 63.5kg 自动脱钩落锤进行锤击;软土样采用薄壁取土器,一般粘性7、土样取土器类型为厚壁敞口半合式取土器,取样方法为快速静力连续压入法结合重锤少击法,或干钻法,土试样质量等级为I级及级。野外采取的土样及时密封,防止湿度变化,运输过程中避免振动;土样进行常规物理力学性质试验,水样进行水质化验分析。勘察实际完成的工作量详见表 2本次勘察采用xx坐标系和xx高程系统。由 2 个测量控制点(业主提供):A(X=34109.371,Y=62136.226,H=22.61)和 B(X=34145.253,Y=61780.793,H=22.58)用 RTK(中海达)测放钻孔位置和孔口高程。3 实 际 工 作 量 统 计 表 表 2 工作项目 单位 工作量 工作项目 单位 工8、作量 施工钻孔 孔 101 土样 件 158 标准贯入试验 次 510 水 样 件 2 总进尺 m 5553.8 岩石样 件 36 孔位测放 孔 101 地表土易溶盐分析 件 2 剪切波测试 孔 9 1.1.5 5 执行规范执行规范 2(1)岩土工程勘察规范(GB50021-2001)2009 版;(2)建筑地基基础设计规范(GB50007-2011);(3)建筑抗震设计规范(GB20011-2010)2016 版;(4)建筑桩基技术规范(JGJ 94-2008);(5)xx省标准建筑地基基础设计规范(DBJ15-31-2016);(6)建筑工程抗震设防分类标准(GB 50223-2008);9、(7)土工试验方法标准(GB/T50123-2019);(8)建筑工程地质勘探与取样技术规程(JGJ/T87-2012);(9)岩土工程勘察报告编制标准(CECS 99:98);(10)房屋建筑和市政基础设施工程勘察文件编制深度规定(2010 版)。场地工程地质条件场地工程地质条件 2.12.1 地形地貌地形地貌 拟建场地位于xx,香雪城及飞晟文汇广场北侧。场地现为绿化空地,地势稍平坦,为冲积平原地貌,地面标高 33.19m35.41m。4 2.2 2.2 岩土岩土体分布体分布特征及性质特征及性质 根据本次勘察钻孔的土工试验成果和工程地质编录资料,以及参考邻近的工程地质勘察资料,将勘探深度内土10、体按其特征及其物理力学性质从上至下划分为第四系人工堆积层(Qml),第四系冲积层(Qal),第四系残积层(Qel)与花岗岩(),现分述如下:(1 1)第四系人工堆积层()第四系人工堆积层(Qml)素填土(层序号1):黄褐色,松散,干燥-稍湿,主要成份为粘性土及砂,含少量碎石。本次勘察共有100个孔揭露本层,其中:层厚1.206.70m,平均厚度4.05m;顶板埋深0.000.00m,平均埋深0.00m;顶板标高20.6426.37m,平均标高22.74m。实测标贯试验N1.07.0击,平均击数4.9击(标贯次数53)。此层取土样13件作室内土工实验,主要物理力学指标详见“土工试验物理力学性质指11、标统计成果表”。(2 2)第四系)第四系冲冲积层(积层(Qal)淤泥(层序号2-1):黑色,黑灰色,流塑,饱和,含腐殖质,稍有嗅味,干强度中等,韧性中等。本次勘察共有14个孔揭露本层,其中:层厚1.003.60m,平均厚度2.36m;顶板埋深3.906.60m,平均埋深4.81m;顶板标高16.7919.13m,平均标高17.74m。实测标贯试验N1.02.0击,平均击数1.3击(标贯次数8)。本次揭见该层的孔为:ZK18A、ZK36、ZK37、ZK41、ZK42、ZK49A、ZK59、ZK63A、ZK67、ZK68A、BZK1、BZK2、BZK3、BZK6。此层取土样7件作室内土工实验,主要12、物理力学指标详见“土工试验物理力学性质指标统计成果表”。粉质粘土(层序号2-2):黄色,灰色,可塑,湿,主要成份为粉粘粒,手捏略 5 有砂感,干强度中等,韧性中等。本次勘察共有69个孔揭露本层,其中:层厚0.9010.20m,平均厚度4.37m;顶板埋深0.008.70m,平均埋深3.94m;顶板标高14.6922.67m,平均标高18.90m。实测标贯试验N8.012.0击,平均击数9.9击(标贯次数35)。此层取土样20件作室内土工实验,主要物理力学指标详见“土工试验物理力学性质指标统计成果表”。中砂(层序号2-3):浅黄色,稍密-中密,饱和,石英颗粒为主,级配不良,分选性一般。本次勘察共13、有82个孔揭露本层,其中:层厚1.0010.20m,平均厚度4.28m;顶板埋深3.1014.50m,平均埋深6.75m;顶板标高8.8921.27m,平均标高15.91m。实测标贯试验N12.019.0击,平均击数14.2击(标贯次数53)。此层取土样25件作室内土工实验,主要物理力学指标详见“土工试验物理力学性质指标统计成果表”。淤泥质土(层序号2-4):深灰色,流塑-软塑,饱和,含腐殖质,干强度中等,韧性中等。本次勘察共有37个孔揭露本层,其中:层厚0.809.90m,平均厚度4.89m;顶板埋深3.6017.30m,平均埋深10.46m;顶板标高3.6220.12m,平均标高12.3014、m。实测标贯试验N1.03.0击,平均击数2.1击(标贯次数16)。此层取土样10件作室内土工实验,主要物理力学指标详见“土工试验物理力学性质指标统计成果表”。粉质粘土(层序号2-5):黄色,可塑,湿,主要成份为粉粘粒,手捏略有砂感,干强度中等,韧性中等。本次勘察共有78个孔揭露本层,其中:层厚1.1012.70m,平均厚度5.69m;顶板埋深5.1019.30m,平均埋深11.48m;顶板标高3.6318.94m,平均标高11.27m。实测标贯试验N9.014.0击,平均击数11.5击(标贯次数54)。6 此层取土样26件作室内土工实验,主要物理力学指标详见“土工试验物理力学性质指标统计成果15、表”。粗砂(层序号2-6):灰黄色,中密-密实,饱和,石英颗粒为主,含少量圆砾,级配不良,分选性一般。本次勘察共有78个孔揭露本层,其中:层厚1.5011.80m,平均厚度5.07m;顶板埋深6.7024.00m,平均埋深16.29m;顶板标高-2.3115.22m,平均标高6.34m。实测标贯试验N16.033.0击,平均击数23.2击(标贯次数51)。此层取扰动样23件作室内土工实验,主要物理力学指标详见“土工试验物理力学性质指标统计成果表”。(3 3)第四系残积层()第四系残积层(Qel)砂质粘性土(层序号3):黄褐色,硬塑为主,由花岗岩分化残积而形成,长石及暗色矿物已风化成土,含砂约116、0%-15%,遇水易软化崩解。本次勘察共有101个孔揭露本层,其中:层厚0.7023.60m,平均厚度9.38m;顶板埋深13.8029.50m,平均埋深20.90m;顶板标高-8.538.57m,平均标高1.83m。实测标贯试验N13.032.0击,平均击数22.1击(标贯次数90)。此层取土样21件作室内土工实验,主要物理力学指标详见“土工试验物理力学性质指标统计成果表”。(4 4)花岗花岗岩(岩()全风化花岗岩(层序号4-1):黄褐色,灰白色,岩芯呈土柱状,已风化成坚硬土状,原岩结构基本破坏,但尚可辨认,岩质极软,遇水易散软化。属极软岩,岩体完整程度为极破碎,岩体基本质量等级为级。本次勘17、察共有101个孔揭露本层,其中:层厚1.1016.50m,平均厚度7.17m;顶板埋深16.5045.30m,平均埋深30.28m;7 顶板标高-22.336.87m,平均标高-7.55m。实测标贯试验N45.057.0击,平均击数50.9击(标贯次数67)。此层取土样13件作室内土工实验,主要物理力学指标详见“土工试验物理力学性质指标统计成果表”。强风化花岗岩(层序号4-2):灰黄色,褐黄色,岩芯呈土状,岩石风化强烈,原岩结构大部分破坏,手捏易散,遇水易崩解。属极软岩,岩体完整程度为极破碎,岩体基本质量等级为级。本次勘察共有101个孔揭露本层,其中:层厚2.1037.00m,平均厚度13.618、2m;顶板埋深24.2055.30m,平均埋深37.45m;顶板标高-32.24-0.83m,平均标高-14.72m。实测标贯试验N73.099.0击,平均击数84.2击(标贯次数83)。中风化花岗岩(层序号4-3):灰褐色,灰白色,岩芯呈短柱状、块状。裂隙稍发育,岩质较硬,钻进困难,锤击声脆。属较硬岩,岩体完整程度为较完整,岩体基本质量等级为IV级。本次勘察所有钻孔均在本层终孔,揭示层厚3.007.80m,平均厚度3.92m;顶板埋深31.0073.50m,平均埋深51.07m;顶板标高-51.56-8.66m,平均标高-28.34m。此次勘察中取岩样36组做饱和单轴抗压强度测试,其抗压强度19、为18.778.2Mpa,平均值为55.85MPa,变异系数为0.241,标准值为51.9MPa,建议该岩石饱和抗压强度取45.0Mpa,各岩样详见“岩石饱和单轴抗压强度测试报告”。2.3 2.3 水文地质条件水文地质条件 场地地下水位埋深:2.50m6.90m,地下水位标高:17.14m19.83m。地下水主要为赋存在冲积层中砂及粗砂中的孔隙水及基岩裂隙中的裂隙水。1 层素填土透水性 8 中等,含有少量上层滞水。粉质粘土、淤泥质土及砂质粘性土成份以粘性土为主,为相对隔水层,透水性弱,富水性弱。中砂及粗砂层透水性强,分布厚度大,富水性强。强风岩及中风化岩裂隙发育,但多为粘粒充填,连通性一般,透20、水性弱,富水性弱。总体上场地下水含量较丰富。补给途径主要为大气降水。根据查阅以往资料集结合勘察期间对水文方面的观测,拟建场地下水水位随雨季的变化而变化,幅度在 1.00 至2.00m 之间。场地设两层地下室,影响基坑支护的地下水主要为赋存在中砂层的孔隙水。在ZK3、ZK24 钻孔中砂层含水层中进行单孔非完整井简易抽水试验,根据以下计算公式:渗透系数公式为:0.336Q K=(lgR-lgrw)MSw 影响半径公式:R=10SwSQRT(k)式中:K渗透系数(m/d)Q实际抽水流量(m3/d)M含水层厚度(m)R影响半径(m)rw过滤器半径(m)Sw降深(m)SQRT-开方符号 渗透系数计算表 21、表 3 钻孔号 降深 Sw(m)稳定流量 Q(m3/d)含水层厚度 M(m)渗透系数 K(m/d)影响半径(m)ZK3 10.2 396.5 7.8 5.66 242.6 ZK24 9.5 185.4 6.6 3.21 170.2 当最大水位降深为 10.2m 时,单孔最大涌水量为 396.5m3/d,单位涌水量为 50.8 9 m3/dm,渗透系数为 5.66m/d,影响半径 242.6m。总体上场地含水层透水性较强,富水性强。本次试验为单孔简易抽水试验,所得渗透系数有一定误差。若采取降水措施,建议作进一步研究,取得相关水文地质参数。场地地下水地层渗透性为 A 类,场地环境类型为II类。根据22、在 ZK5、ZK28 两孔采集地下水水样及地表土土样进行水质简分析和土的易溶盐分析,分析结果见表 2。腐蚀性分析结果表 表 4 样号 分析项目 单位 阳离子 阴离子 CO2 PH 备注 Ca2+Mg2+Cl-SO42-HCO3-游离 侵蚀 ZK5(水)毫克/升 33.41 13.51 69.20 41.85 101.20 11.44 4.72 6.73 mmol/L 1.66 ZK28(水)毫克/升 28.64 8.69 53.98 32.40 83.34 15.84 6.44 6.59 mmol/L 1.37 ZK5(地表土)毫克/千克 42.8 11.5 75.6 37.0 115.3 623、.92 ZK28(地表土)毫克/千克 26.3 7.2 49.3 29.4 90.8 6.67 根据分析试验结果,按国家标准岩土工程勘察规范(GB 50021-2001)(2009年版)判别,腐蚀性评价为:本场地环境类型地下水和土对混凝土结构具有微腐蚀性,在强透水层中渗透性地下水和土对混凝土结构具有微腐蚀性;在长期浸水环境下地下水和土对钢筋混凝土结构中的钢筋具有微腐蚀性,在干湿交替环境下地下水和土对钢筋混凝土结构中的钢筋具有微腐蚀性。综合判定地下水和地表土对混凝土结构具有微腐蚀性,对混凝土结构中的钢筋具有微腐蚀性。10 3 3 地震效应、不良地质作用及特殊性岩土评价地震效应、不良地质作用及特殊24、性岩土评价 3.1 地震效应 3.1.13.1.1 抗震设防烈度与抗震设防标准:根据中国地震动峰值加速度区划图和建筑抗震设计规范2016 版附录 A划分,拟建场地位于抗震设防烈度 7 度区,地震动基本加速度为 0.10g,设计地震分组为第一组。类建筑场地的地震动峰值加速度为 0.125g。拟建物抗震设防类别为丙类,设计地震作用及抗震措施应符合 7 度抗震设防标准的要求。3.1.23.1.2 岩土抗震稳定性 拟建场地位于抗震设防烈度 7 度区,场地地面下 20m 深度范围内分布有饱和中砂及粗砂层,故应进行饱和砂土液化判别,具体详见饱和砂土液化判别计算表。计算判别结果为:拟建场地中砂及粗砂层为不液25、化土层。3.1.33.1.3 建筑场地类别与建筑设计特征周期:根据本次勘察在 9 个钻孔内进行的土层剪切波速测试成果(详见附件),土层的等效剪切波速 Vse=122.0-185.1m/s,场地土为软弱土中软土,场地覆盖层厚度约 3050m,按国标 GB50011-2010 表 4.1.6 划分标准,拟建场地 5#、6#、8#、9#属类场,1#4#、7#属类建筑场地。场地属抗震不利地段。剪 切 波测 试 结 果 综 合 表 表 5 孔号 测试深度(m)等效剪切波速(m/s)覆盖层 厚度(m)场地土 类 型 场地类别 ZK10 35.0 167.3 33.0 中软土 ZK16 39.0 159.526、 37.0 中软土 ZK18 44.0 185.1 41.0 中软土 ZK21 44.0 171.6 42.0 中软土 11 ZK48 50.0 149.0 48.0 软弱土 ZK52 46.0 142.8 44.0 软弱土 ZK55 52.0 122.0 50.0 软弱土 ZK60 48.0 150.9 46.0 中软土 ZK61 48.0 143.5 46.0 软弱土 根据国标 建筑抗震设计规范(GB50011-2010)表 5.1.4-2 可知,类场地(1#4#、7#)建筑的设计特征周期(Tg)为 0.35s,类场地(5#、6#、8#、9#)建筑的设计特征周期(Tg)为 0.45s。3.27、2 不良地质作用 根据本次勘察钻探施工、周边地质条件踏勘调查,结合有关区域地质背景资料分析表明:场地未发现岩溶、泥石流、崩塌、滑坡、土洞、采空区及大的活动断裂等不良地质作用。亦未发现埋藏的河道、沟浜、墓穴、防空洞等对工程不利的埋藏物的情况。场地对桩基施工不利埋藏物为孤石,孤石为中风化花岗岩。本次勘察有 8 个钻孔揭露到孤石。具体情况见下表:孤石发育情况一览表 表 6 序号 孔号 孤石 顶部 底部 顶部 底部 备注 厚度(m)埋深(m)埋深(m)标高(m)标高(m)1 ZK7A 0.9 49.6 50.5-27.23-28.13 位于强风化岩中 2 ZK10 1.1 22.5 23.6-0.4128、-1.51 位于强风化岩中 3 0.9 25.9 26.8-3.81-4.71 位于强风化岩中 4 ZK16 1.4 34.1 35.5-11.85-13.25 位于强风化岩中 5 ZK17 2.3 16.5 18.8 6.87 4.57 位于全风化岩中 6 4.1 20.1 24.2 3.27-0.83 位于全风化岩中 7 3.0 28.5 31.5-5.13-8.13 位于强风化岩中 8 2.2 33.0 35.2-9.63-11.83 位于强风化岩中 9 ZK29 1.3 42.5 43.8-18.57-19.87 位于强风化岩中 12 序号 孔号 孤石 顶部 底部 顶部 底部 备注 厚29、度(m)埋深(m)埋深(m)标高(m)标高(m)10 ZK55 2.4 47.4 49.8-24.71-27.11 位于强风化岩中 11 ZK75 1.6 29.6 31.2-6.39-7.99 位于全风化岩中 12 2.5 44.1 46.6-20.89-23.39 位于强风化岩中 13 BZK7 0.9 36.0 36.9-13.42-14.32 位于强风化岩中 3.3 特殊性岩土 3.3.1 3.3.1 人工填土人工填土 分布于场地大部分地段,主要为第四系人工填土,其成份主要为耕植粘性土,松散,成份不均匀,在设计与施工时应注意人工填土对地面稳定性的影响。3.3.3.3.2 2 风化岩风化30、岩及残积土及残积土 场区内地段分布的风化岩、残积土为花岗岩的风化残积物,主要土性为粘性土,具有明显的胀缩性等工程地质特征,在干旱条件下易于土体内形成大量裂隙,使地表水易于侵入,降低土的抗剪强度,残积土、全、强风化岩最不利的工程特性是遇水会软化崩解或暴露于空气中会风化,强度骤降,引起地基承载力下降。工程建设时应避免其长期被水浸泡或长期直接暴露于空气中。4 场地稳定性与适应性评价场地稳定性与适应性评价 1、根据本次勘察钻探施工、周边地质条件踏勘调查,结合有关区域地质背景资料分析,该场地位于地质构造稳定区内,在钻孔控制范围内未见构造断裂破碎等痕迹,基岩稳定性良好。2、场地为抗震不利地段,场地土类型为31、软弱土-中软土,建筑场地类别为II类及 13 III类,抗震设防烈度为 7 度、设计地震动加速度值为 0.10g 及 0.125g、设计地震分组为第一组。3、场地未发现岩溶、泥石流、滑坡、崩塌、土洞、采空区等不良地质灾害。4、场地地下水及地表土对混凝土结构具有微腐蚀性,对钢筋混凝土结构中的钢筋具有微腐蚀性。总体评价:场地基本稳定,总体评价:场地基本稳定,采取适当的抗震措施后采取适当的抗震措施后,采用桩基础穿越上部松软土采用桩基础穿越上部松软土层后,层后,适宜于建筑。适宜于建筑。5 工程地质评价工程地质评价 5.1 5.1 岩土层力学性能及均匀性评价岩土层力学性能及均匀性评价 1、素填土(层序号32、 1):结构松散,成份不均匀,未完成自重固结,未经处理,不宜作为天然地基持力层。2、淤泥(层序号 2-1):流塑,力学性质差,均匀性差。3、粉质粘土(层序号 2-2):可塑,力学性质一般,均匀性一般。4、中砂(层序号 2-3):稍密-中密,力学性质一般,均匀性一般。5、淤泥质土(层序号 2-4):力学性质差,均匀性差。6、粉质粘土(层序号 2-5):可塑,力学性质一般,均匀性一般。7、粗砂(层序号 2-6):力学性较好,均匀性较好。4、砂质粘性土(层序号 3):可塑-硬塑状,力学性质好,均匀性好。5、全、强、中风化花岗岩(层序号 4-1、4-2、4-3):强度较高,力学性质较好,14 均匀性好33、,分布于整个场地,分布厚度较大,可作为桩基的桩端持力层。场地地表素填土层,成分极不均匀,层厚变化大。冲积层内各个土层分布不均匀,存在缺失,均匀性差。下卧残积层、基岩风化层在平面上均有分布,层面起伏变化较大,均匀性一般。场地土体单元在平面上及竖向各土体单元之间力学性质差异也普遍存在,随着各土层的埋深加大,力学性质也趋于增强。从该区域整体看来,场地地基土分布不均匀,为非均匀性地基。5.2 5.2 基础选型建议基础选型建议 根据该场地所揭露的地层情况,对基础选型作如下建议:拟建建筑高 820 层,承载力及变形要求较高,基坑开挖后,出露的土层为淤泥质土、粉质粘土及中砂,无法满足拟建物天然地基的承载力要34、求,应采用桩基础。场地分布有密实的粗砂层,最大厚度 11.8m,若采用管桩,沉桩阻力大,穿越困难。建议采用钻(冲)孔灌注桩,以 4-2 层强风化花岗岩及 4-3 层中风化花岗岩作为桩端持力层,桩径可选用 0.81.4m,预估有效桩长约 3045m。5.35.3 岩土层力学指标取值岩土层力学指标取值 根据勘察资料显示,参照建筑地基基础设计规范(GB50007-2011)、建筑地基基础设计规范(DBJ15-31-2016)提供各岩土层设计参数建议值,见下表 7、8、9、10。15 岩土物理力学参数建议值表 表 7 桩基力学性质指标建议值表 表 8 层 序 号 成因 代号 岩土体名称 抗拔摩阻力折减35、系数 预制桩桩侧摩阻力特征值的经验值 静压(打入)预应力管桩 桩端土阻力特征值 qpa 桩入土深度(m)qsa L9 9L16 16L30 L30 kPa kPa kPa kPa kPa 1 Qml 素填土 0.45 10-2-1 Qal 淤泥 0.45 10 2-2 粉质粘土 0.5 25 2-3 中砂 0.5 28 2-4 淤泥质土 0.45 10 2-5 粉质粘土 0.5 25 2-6 粗砂 0.55 40 3000 3500 4000 5000 层 序 号 地 层 成 因 地 层 名 称 承载力 特征值 f ak 天然 重度 变形 模量 Eo 压 缩 模 量 Es 凝聚力 C 内 摩 36、擦 角 kPa kN/m3 MPa MPa kPa 度 1 Qml 素填土-17.5-10.0 8.0 2-1 Qal 淤泥 50 16.5-2.5 4.0 3.0 2-2 粉质粘土 140 18.5-4.5 20.0 17.5 2-3 中砂 150 18.5 8.0-28.0 2-4 淤泥质土 60 16.5 2.5 5.0 4.0 2-5 粉质粘土 140 18.5-4.5 20.0 17.5 2-6 粗砂 210 18.5 15.0-32.0 3 Qel 砂质粘性土 200 18.5 20.0 5.5 22.5 20.5 4-1 r 全风化花岗岩 350 19.0 80.0 30.0 237、4.5 4-2 强风化花岗岩 550 19.5 140-35.0 30.0 4-3 中风化花岗岩 3500 23.0 16 3 Qel 砂质粘性土 0.6 40 1500 2000 2500 3000 4-1 r 全风化花岗岩 0.7 90 4000 4500 4-2 强风化花岗岩 0.7 110 5000 6000 预制桩桩侧摩阻力 qsa深度修正系数表 表 9 土层埋深 h(m)5 10 20 30 修正系数 0.8 1.0 1.1 1.2 桩基力学性质指标建议值表 表 10 层 序 号 成因 代号 岩土体名称 抗拔摩阻力折减系数 钻(冲)孔、旋挖桩侧摩阻力特征值的经验值 钻(冲)孔、旋挖38、桩 桩端土阻力特征值 qpa 桩入土深度(m)qsa L 15 L 15 kPa 1 Qml 素填土 0.45 8-2-1 Qal 淤泥 0.45 8 2-2 粉质粘土 0.5 20 2-3 中砂 0.5 22 2-4 淤泥质土 0.45 8 2-5 粉质粘土 0.5 20 2-6 粗砂 0.55 35 3 Qel 砂质粘性土 0.6 35 4-1 r 全风化花岗岩 0.7 70 4-2 强风化花岗岩 0.7 100 1200 1600 4-3 中风化花岗岩 0.7 fr=45.0MPa,C1=0.4,C2=0.04 5.5.4 4 地下水对桩基施工的影响及桩基成桩可行性分析地下水对桩基施工的39、影响及桩基成桩可行性分析 地下水对预制桩施工影响主要表现为:全、强风化岩遇水易软化,从而降低桩基 17 的承载力,故应对预制桩进行封桩处理。场地分布有厚度较大的密实粗砂层,预制桩沉桩时,桩身阻力较大,沉桩困难。若采用预制桩,建议辅以引桩措施,并在厚度较大的粗砂层区域试桩,确定其适用性。采用混凝土预制桩具有速度快、对环境污染小、质量有保证等优点,缺点是挤土沉桩易造成桩身接头拉断、桩体位移、桩身上浮等,同时也易破坏邻近的建筑物、管线和道路等设施,建议安排合理的压桩施工顺序,并采取减小孔压和减轻挤土效应的措施,比如施打应力释放孔、引孔沉桩、控制沉桩速率等。地下水对灌注桩施工有一定影响。在地下水冲刷下40、,填土层、粗砂层透水性较强,易塌孔。建议采用护筒结合泥浆护壁进行施工。场地基岩面变化起伏大,建议采用一桩一孔超前钻指导灌注桩成桩。5.5.5 5 桩基施工条件及其对环境的影响桩基施工条件及其对环境的影响 场地初步整平后,地势较平坦开阔,且与附近城市公路相通,总体上场地桩基施工条件较好,便于大型机器施工。预制桩施工时应注意挤土效应对邻近的现有建筑物的影响,若采用锤击桩时还需注意噪声对周围居民生活区的影响。灌注桩施工时,应做好围蔽措施,泥浆封装外运,以免对周围环境造成影响。6 基坑工程分析评价 6 6.1.1 基坑安全等级基坑安全等级 拟建场地位现为绿化空地,地势较平坦,场地东、西、南三侧与现有城41、市道路相邻,地下管道、光缆、电缆分布错宗复杂。北侧现有建筑物距离约 10-15m,地下有地铁线路运营。基坑开挖深度约 812m。基坑环境等级为一级,支护结构安全等级为一级。6 6.2.2 基坑开挖方案基坑开挖方案 各侧基坑边线均与现有建筑、道路相邻,无放坡空间,需进行垂直开挖,建议采 18 用“灌注桩加内支撑”的支护形式,止水帷幕可采用三轴搅拌桩水泥土。6 6.3.3、基坑排水方案、基坑排水方案 据简易水文观测,勘察施工期间场地地下水稳定水位埋深较浅。本场地地下水含量丰富,本场地地下水量较丰富,为防止渗流现象发生,建议开挖前于基坑四周进行止水帷幕,以隔绝基坑内、外第四系孔隙水的水力联系,止水帷42、幕可采用三轴搅拌桩水泥土墙。做了止水帷幕后基坑内地下水不大,可以采用集水坑集中后抽排。止水帷幕施工完毕建议采用抽水试验进行检验。相关基坑支护设计应根据要求进行专项设计,设计参数建议值见下表 11。基坑支护岩土参数值基坑支护岩土参数值 表表 1111 岩土层 天然重度 快剪 渗透系数 坡度允许值 基底摩擦系数 基坑支护锚杆 的极限粘结强度标准值 粘聚摩擦k 高宽比 qsik(kPa)(kN/m3)C(kPa)()cm/s 一次常压注浆 二次压力注浆 1 素填土 17.5 10.0 8.0 6.0 10-5 1:2 0.15 15 30 2-1 淤泥 16.5 4.0 3.0 3.0 10-6 143、:3 0.15 15 30 2-2 粉质粘土 18.5 20.0 17.5 4.0 10-6 1:1.5 0.30 45 60 2-3 中砂 18.5-28.0 2.0 10-3 1:1.5 0.35 50 65 2-4 淤泥质土 16.5 5.0 4.0 3.0 10-6 1:3 0.15 15 30 2-5 粉质粘土 18.5 20.0 17.5 4.0 10-6 1:1.5 0.3 45 60 2-6 粗砂 18.5-32.0 8.0 10-2 1:1.5 0.4 60 75 19 3 砂质粘性土 18.5 22.5 20.5 4.00 10-6 1:1 0.35 55 70 4-1 全44、风化花岗岩 19.0 30.0 24.5 6.00 10-6 1:0.5 0.50 90 130 4-2 强风化花岗 19.5 35.0 30.0 5.00 10-5 1:0.35 0.60 160 220 6 6.4.4、基坑抗浮设计水位、基坑抗浮设计水位 场设计室外地坪标高为 23.0m,场地地下水埋藏较深,但考虑项目区域常年多雨,地下水埋深变化受降雨影响较大。综合上述因素考虑,地下室的抗浮设防水位可取室外地坪标高以下 1m,可取 22.0m。若设计采取控制地下水位措施,保证地下水位控制在地下一定深度时可适当降低抗浮设计水位。若建筑物自重抗浮无法满足设计要求,地下室设计时应考虑设置抗拔锚杆45、或采用抗拔桩进行抗浮设计。7 结论与建议结论与建议 1、拟建物岩土工程勘察等级为乙级,建筑抗震设防类别为丙类。2、拟建场地抗震设防烈度为 7 度,建筑场地类别为II类及III类,建筑的设计特征周期(Tg)为 0.35s 及 0.45s。设计地震作用及抗震措施应符合 7 度抗震设防标准的要求。3、拟建场地属区域构造基本稳定区,可忽略发震断裂错动对地面建筑物的影响,未发现有活动断裂通过,亦未见有岩溶、空洞、采空区、危岩和崩塌、滑坡、泥石流等不良地质作用。按有关规范采取相应的抗震措施后,适宜兴建本工程。4、据地下水质分析及地表土易溶盐分析综合判定,场地土及地下水对砼结构及 20 钢结构具微腐蚀性,对46、砼结构中的钢筋具微腐蚀性。建议按相关规范采取防腐措施。5、拟建建筑物建议采用桩基础,桩型采用灌注桩基础,以 4-2 层强风化花岗及4-3 层中风化花岗岩作为桩端持力层。6、如采用预制桩,桩基全面施工前应选择有代表性地段进行试桩,以掌握有关施工控制参数及单节桩桩长配比。桩基施工桩长应以压桩力(静压式)或贯入度(打入式)为主,设计桩端标高为辅进行双控。如采用灌注建议进行一桩一孔的超前钻。7、基坑开挖可采用“灌注桩加内支撑”的支护形式,止水帷幕可采用三轴搅拌桩水泥土墙。8、由于场地内管线分布错宗复杂,部分钻孔在业主授权下稍有移动,具体钻孔包括 ZK13、ZK35、ZK23、ZK7、BZK8,当地质条47、件变化较大时,建议进行补充勘察。孔号X坐标Y坐标孔口标高勘察孔深度地下水埋深地下水标高施工日期勘探孔类型取样数标贯次数备 注ZK134241.761595.0922.9460.44.418.542020.4.52020.4.5控制孔610岩样1件ZK234232.7561638.5422.8738.54.318.572020.4.72020.4.7一般孔ZK334225.5961673.7522.34364.218.142020.4.52020.4.5控制孔79岩样1件ZK434218.8661709.822.2538.5418.252020.4.52020.4.5一般孔ZK534207.9848、61761.8522.0450.5418.042020.4.42020.4.4一般孔11ZK634202.8761788.0821.651.83.518.12020.4.72020.4.7一般孔ZK734196.7761842.2920.6443.23.517.142020.4.72020.4.7控制孔69岩样1件ZK7A34257.7361599.3422.3763.94.218.172020.4.22020.4.2一般孔ZK834252.4961619.5922.3347.44.118.232020.4.12020.4.1一般孔9ZK934244.0561662.9622.2238.24.49、517.722020.4.12020.4.1一般孔ZK1034238.3461692.3122.0938.4418.092020.4.22020.4.2控制孔69岩样1件ZK1134229.9461735.521.7556.43.618.152020.4.22020.4.2一般孔ZK11A34225.1861760.9721.5252.73.418.122020.4.12020.4.1一般孔10ZK1234221.7561774.9621.3446.73.517.842020.4.22020.4.2一般孔ZK1334215.9561809.2421.0444.33.417.642020.4.150、2020.4.1控制孔69岩样1件ZK1434208.4461821.5820.9244.22.718.222020.4.52020.4.5一般孔ZK1534270.6161603.9623.6156.54.918.712020.4.22020.4.2一般孔8ZK1634249.1261641.7522.2540.74.317.952020.4.22020.4.2一般孔ZK16A34264.4261644.5423.2942.45.218.092020.4.22020.4.2控制孔58岩样1件ZK1734257.0461680.2123.3744.75.218.172020.4.62020.451、.6一般孔ZK1834235.2461714.0121.9245.6417.922020.4.12020.4.1一般孔ZK18A34250.9661717.3423.3953.25.218.192020.4.42020.4.4控制孔710岩样1件ZK1934241.7961765.223.0242.54.818.222020.4.32020.4.3控制孔69岩样1件ZK2034235.9561777.7122.6340.92.819.832020.4.42020.4.4一般孔ZK2134219.8161789.3221.19492.918.292020.4.42020.4.4控制孔610岩样152、件ZK2234229.6761811.9522.7142.34.118.612020.4.52020.4.5一般孔ZK2334215.9161842.220.8143.2317.812020.4.72020.4.7一般孔11ZK2434274.5861623.8823.9156.65.318.612020.4.32020.4.3一般孔ZK2534266.1461667.2523.7148.55.618.112020.4.42020.4.4控制孔610岩样1件ZK2634260.4561696.5123.7250.45.318.422020.4.22020.4.2一般孔ZK2734252.03653、1739.7823.5648.35.518.062020.4.22020.4.2一般孔ZK2834234.1761826.923.1845.95.118.082020.4.52020.4.5控制孔611岩样1件ZK2934285.6261609.4923.9349.24.519.432020.4.42020.4.4控制孔610岩样1件ZK3034279.3761647.3324.0148.65.718.312020.4.32020.4.3一般孔ZK3134272.5161683.2123.6852.64.619.082020.4.32020.4.3控制孔611岩样1件ZK3234263.83654、1720.6623.7150.45.817.912020.4.42020.4.4一般孔ZK3334254.3461769.3623.5238.95.617.922020.4.32020.4.3一般孔9ZK3434243.6261798.823.4141.45.517.912020.4.42020.4.4一般孔ZK3534233.8261844.8322.0244.94.717.322020.4.62020.4.6一般孔10ZK3634190.3561888.5920.7648.82.518.262020.3.292020.3.29一般孔ZK3734181.2761922.7821.8860.255、3.718.182020.3.242020.3.24一般孔11ZK3834175.2661953.622.49584.418.092020.3.232020.3.23一般孔ZK3934169.0461985.5122.6459.74.418.242020.3.242020.3.24一般孔9ZK4034162.8662017.2222.5361.33.319.232020.3.232020.3.23一般孔ZK4134153.7262056.3222.0565.63.518.552020.3.222020.3.22一般孔9ZK4234144.9162102.8322.3368.14.118.23256、020.3.232020.3.23一般孔9ZK4334133.4162148.8521.8869318.882020.3.262020.3.26一般孔ZK4434131.0962182.6620.9758.72.718.272020.3.292020.3.29控制孔510岩样1件ZK4534192.2161903.5921.1952.33.717.492020.3.232020.3.23控制孔511岩样1件ZK4634191.5461938.1222.0562.54.317.752020.3.232020.3.23一般孔ZK4734184.8961972.2822.5858.54.418.1857、2020.3.222020.3.22一般孔9ZK4834177.1962006.0522.5962.34.518.092020.3.232020.3.23控制孔410岩样1件ZK4934171.262036.8722.3559.54.717.652020.3.252020.3.25一般孔ZK49A34167.5362057.6922.1862.14.317.882020.3.252020.3.25一般孔10岩样1件ZK5034162.762080.9321.9864.23.818.182020.3.262020.3.26一般孔ZK50A34159.1462106.3321.8564.93.8158、8.052020.3.262020.3.26控制孔49ZK5134153.1162129.7221.6772.7417.672020.3.272020.3.27控制孔310岩样1件ZK51A34150.2562151.521.4466.43.517.942020.3.272020.3.27一般孔ZK5234146.562173.8821.14663.217.942020.3.302020.3.30一般孔9ZK5334201.8161892.4420.9251.33.317.622020.3.232020.3.23一般孔ZK5434195.4161923.2221.6656417.662020.59、3.242020.3.24一般孔ZK5534202.2461946.822.6957.44.518.192020.3.222020.3.22控制孔49岩样1件ZK5634189.3661955.7122.3457.94.218.142020.3.252020.3.25控制孔310岩样1件勘探孔数据一览表页(1)孔号X坐标Y坐标孔口标高勘察孔深度地下水埋深地下水标高施工日期勘探孔类型取样数标贯次数备 注勘探孔数据一览表ZK5734197.4961974.7822.9760.14.518.472020.3.212020.3.21一般孔ZK5834195.5261989.123.19604.818.60、392020.3.242020.3.24一般孔ZK5934192.4762017.6423.0757.5518.072020.3.242020.3.24控制孔413岩样1件ZK6034187.3962062.5523.4657.25.218.262020.3.252020.3.25控制孔411岩样1件ZK6134178.1362109.9324.0962.35.218.892020.3.272020.3.27一般孔ZK6334157.5862187.6521.9476.63.618.342020.3.272020.3.27一般孔ZK63A34219.5561909.4222.9360.14.461、18.532020.3.212020.3.21控制孔510岩样1件ZK6434212.7861930.6722.9761.14.618.372020.3.212020.3.21一般孔ZK64A34208.9361959.6323.0663.64.718.362020.3.212020.3.21控制孔311岩样1件ZK6534203.2862011.1323.1653.24.918.262020.3.252020.3.25一般孔ZK6634195.4262041.5923.1953.74.918.292020.3.252020.3.25一般孔ZK6734186.8462085.6324.076262、.95.118.972020.3.282020.3.28控制孔410岩样1件ZK6834177.2562134.4224.8263.16.118.722020.3.272020.3.27一般孔9ZK68A34169.2562155.4823.5376.54.818.732020.3.292020.3.29一般孔岩样1件ZK6934169.3262175.1723.9875.35.218.782020.3.272020.3.27一般孔ZK7034166.5862199.8721.8265.73.917.922020.3.282020.3.28控制孔310岩样1件ZK7134232.961904.63、5422.8158.54.218.612020.3.222020.3.22一般孔ZK7234228.1361931.923.1758.64.518.672020.3.222020.3.22控制孔310岩样1件ZK7334223.1361961.3223.3164.74.319.012020.3.212020.3.21一般孔ZK7434217.5461992.9223.4159.84.219.212020.3.212020.3.21控制孔310岩样1件ZK7534210.4762033.5723.21504.918.312020.3.252020.3.25一般孔ZK7634204.776206664、.2724.1850.35.218.982020.3.262020.3.26一般孔ZK7734196.6862112.8824.9962.55.919.092020.3.262020.3.26控制孔39岩样1件ZK7834188.5962159.4125.7166.26.319.412020.3.262020.3.26一般孔ZK7934184.6862181.8925.4468.86.219.242020.3.262020.3.26一般孔9BZK134158.1462037.5322.2966.72.619.692020.4.92020.4.9一般孔BZK234148.862082.6421.65、9666.73.618.362020.4.72020.4.7控制孔310岩样1件BZK334139.8162128.9521.8171.53.917.912020.4.82020.4.8控制孔310岩样1件BZK434213.762014.9726.3754.16.919.472020.4.82020.4.8一般孔BZK534200.362092.0524.4961.85.818.692020.4.82020.4.8控制孔310岩样1件BZK634192.1962138.6723.5465.15.318.242020.4.82020.4.8控制孔310岩样1件BZK734237.416161766、.4622.5844.44.518.082020.4.82020.4.8一般孔BZK834216.1561736.1721.9155.13.518.412020.4.92020.4.9控制孔310岩样1件BZK934199.3561811.2221.3944.7417.392020.4.82020.4.8一般孔BZK1034285.1161628.723.9356.54.819.132020.4.82020.4.8一般孔9BZK1134259.2561744.7723.7545.74.719.052020.4.92020.4.9一般孔BZK1234250.8961792.6223.1539.367、4.119.052020.4.92020.4.9控制孔411岩样1件BZK1334244.7361826.3122.8942.73.918.992020.4.92020.4.9一般孔备 注 1.坐标采用广州坐标 2.高程采用广州高程总孔数:101,有效孔数:101,总孔深:5553.80m,孔深:36.00m76.60m,平均孔深:54.99m有效钻孔个数:101,孔深:36.00m76.60m,平均深度:54.99m,合计深度:5553.80m孔口标高:20.64m26.37m,平均标高:22.73m地下水位埋深:2.50m6.90m,平均埋深:4.39m,地下水位标高:17.14m19.868、3m,平均标高:18.34m取样总数:158,其中原状样:110,扰动样:48,岩样:36,标贯次数:510统计结果页(2)层 号岩土名称类 别ZK1ZK2ZK3ZK4ZK5ZK6ZK7ZK7AZK8ZK9ZK10ZK11ZK11AZK12ZK13ZK14ZK15层面深度00000000000000000层面高程22.9422.8722.3422.2522.0421.620.6422.3722.3322.2222.0921.7521.5221.3421.0420.9223.61分层厚度2.14.32.62.83.51.42.33.14.23.93.22.73.74.14.93.83.1层面深度69、层面高程分层厚度层面深度2.12.62.83.51.42.33.13.22.73.7层面高程20.8419.7419.4518.5420.218.3419.2718.8919.0517.82分层厚度5.51.73.87.32.51.63.43.38.92.1层面深度7.64.34.36.610.83.93.96.54.23.96.511.65.84.14.93.83.1层面高程15.3418.5718.0415.6511.2417.716.7415.8718.1318.3215.5910.1515.7217.2416.1417.1220.51分层厚度2.26.57.81.92.85.944.170、63.76.52.23.13.43.26.98.4层面深度层面高程分层厚度层面深度9.810.812.18.513.69.87.910.610.27.61313.88.97.58.110.711.5层面高程13.1412.0710.2413.758.4411.812.7411.7712.1314.629.097.9512.6213.8412.9410.2212.11分层厚度5.62.941.14.44.43.83.25.14.11.93.310.297.64.82.7层面深度15.413.716.19.61814.211.711.714.917.119.116.515.715.514.2层面高71、程7.549.176.2412.654.047.48.9410.527.194.652.424.845.345.429.41分层厚度2.93.22.46.12.910.66.65.14.94.41.98.54.86.13.2层面深度18.316.918.515.720.924.818.313.815.316.819.821.5212520.521.617.4层面高程4.645.973.846.551.14-3.22.348.577.035.422.290.250.52-3.660.54-0.686.21分层厚度6.95.23.911.413.83.74.910.87.29.32.78.412.72、14.83.46.25.2层面深度25.222.122.427.134.728.523.224.622.526.122.529.933.129.823.927.822.6层面高程-2.260.77-0.06-4.85-12.66-6.9-2.56-2.23-0.17-3.88-0.41-8.15-11.58-8.46-2.86-6.881.01分层厚度7.39.34.74.74.82.99.54.566.68.34.85.64.94.47.76.2层面深度32.531.427.131.839.531.432.729.128.532.730.834.738.734.728.335.528.8层面73、高程-9.56-8.53-4.76-9.55-17.46-9.8-12.06-6.73-6.17-10.48-8.71-12.95-17.18-13.36-7.26-14.58-5.19分层厚度22.63.93.93.77.917.25.431.515.72.32.618.510.88.8115.724.5层面深度55.135.33135.547.448.638.160.644.23533.453.249.543.539.341.253.3层面高程-32.16-12.43-8.66-13.25-25.36-27-17.46-38.23-21.87-12.78-11.31-31.45-27.9874、-22.16-18.26-20.28-29.69分层厚度53.2533.13.25.13.33.23.253.23.23.2533.21素填土2-1淤泥2-2粉质粘土3砂质粘性土4-1全风化花岗岩2-3中砂2-4淤泥质土2-5粉质粘土4-2强风化花岗岩4-3中风化花岗岩各勘探孔分层深度、高程、层厚一览表2-6粗砂页(1)层 号岩土名称类 别层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分75、层厚度1素填土2-1淤泥2-2粉质粘土3砂质粘性土4-1全风化花岗岩2-3中砂2-4淤泥质土2-5粉质粘土4-2强风化花岗岩4-3中风化花岗岩2-6粗砂ZK16ZK16AZK17ZK18ZK18AZK19ZK20ZK21ZK22ZK23ZK24ZK25ZK26ZK27ZK28ZK29ZK300000000000000000022.2523.2923.3721.9223.3923.0222.6321.1922.7120.8123.9123.7123.7223.5623.1823.9324.014.74.74.72.86.63.43.72.92.72.35.14.63.63.92.64.65.2676、.616.792.12.88.73.43.72.92.72.34.63.92.64.65.219.1214.6919.6218.9318.2920.0118.5119.1119.6620.5819.3318.813.95.84.34.12.12.31.72.13.41.42.324.74.74.714.57.77.8545.16.77.346.97.217.5518.5918.678.8915.3214.8316.1916.8118.8117.0116.2619.1817.0316.815.97.25.54.14.41.733.76.62.73.82.74.43.453.66.717.712077、.1216.482.55.33.510.611.910.218.612.19.587.57.711.79.48.911.110.211.310.611.6511.3913.174.7910.9213.1313.1915.2113.1112.2114.3114.8212.4612.9812.6313.414.63.21.75.45.78.58.710.210.65.93.25.26.97.36.33.215.111.96.72417.81816.717.718.317.612.614.11817.517.613.88.1911.4715.22-0.615.224.634.495.012.516.78、3111.119.625.565.686.3310.213.33.911.84.346.14.88.17.72.75.43.43.19.32.84.315.218.415.818.528.321.824.121.525.82620.31817.521.126.820.418.17.054.897.573.42-4.911.22-1.47-0.31-3.09-5.193.615.716.222.46-3.623.535.918.25.30.713.36.98.77.9107.787.2711.810.47.44.86.123.423.716.531.835.230.53231.533.5342779、.52529.331.534.225.224.2-1.15-0.416.87-9.88-11.81-7.48-9.37-10.31-10.79-13.19-3.59-1.29-5.58-7.94-11.02-1.27-0.198.76.67.76.963.535.53.73.28.36.49.484.16.27.432.130.324.238.741.234353737.237.235.831.438.739.538.331.431.6-9.85-7.01-0.83-16.78-17.81-10.98-12.37-15.81-14.49-16.39-11.89-7.69-14.98-15.9480、-15.12-7.47-7.595.46.9153.873.52.872.12.917.6128.75.52.512.713.837.537.239.242.548.237.537.84439.340.153.443.447.44540.844.145.4-15.25-13.91-15.83-20.58-24.81-14.48-15.17-22.81-16.59-19.29-29.49-19.69-23.68-21.44-17.62-20.17-21.393.25.25.53.1553.1533.13.25.133.35.15.13.2各勘探孔分层深度、高程、层厚一览表页(2)层 号岩土名称类81、 别层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度1素填土2-1淤泥2-2粉质粘土3砂质粘性土4-1全风化花岗岩2-3中砂2-4淤泥质土2-5粉质粘土4-2强风化花岗岩4-3中风化花岗岩2-6粗砂ZK31ZK32ZK33ZK34ZK35ZK36ZK37ZK38ZK39ZK40ZK41ZK42ZK43ZK44ZK45ZK46ZK470000000000000000023.6823.82、7123.5223.4122.0220.7621.8822.4922.6422.5322.0522.3321.8820.9721.1922.0522.584.12.83.63.11.93.94.73.65.54.14.64.95.25.84.35.23.53.94.74.64.916.8617.1817.4517.433.422.21.44.12.83.63.11.96.75.55.84.35.23.519.5820.9119.9220.3120.1215.1817.1415.1716.8916.8519.086.19.43.24.82.276.29.23.26.52.510.26.87.9483、.17.33.611.74.16.86.35.27.511.7613.4816.7215.5117.9213.4618.8910.9418.4315.2516.0316.6813.6910.3516.583.59.22.67.69.85.91.73.63.32.71.35.73.31.89.57.710.19157.812.9914.8311.9513.335.9714.788.28.577.53.29.213.71610.511.717.113.46.513.2159.987.5212.9110.323.669.2415.387.997.053.32.68.35.24.84.67.410.384、3.11712.218.618.816.921.913.717.71816.217.116.513.918.223.518.1176.6811.514.924.615.12-1.148.184.794.646.334.955.837.982.77-2.313.955.582.66.35.57.310.13.94.91.854.43.13.75.311.32.64.21.719.618.524.126.12725.818.619.52320.620.220.219.229.526.122.318.74.085.21-0.58-2.69-4.98-5.043.282.99-0.361.931.8585、2.132.68-8.53-4.91-0.253.883.510.866.46.64.816.612.610.111.216.311.67.935.27.819.223.129.330.132.533.630.635.232.133.131.836.531.827.132.531.330.137.90.58-5.59-6.58-9.09-11.58-9.84-13.32-9.61-10.46-9.27-14.45-9.47-5.22-11.53-10.11-8.05-15.3213.69.432.52.93.16.612.48.79.46.96.99.44.79.66.76.836.738.786、33.13536.533.741.844.541.841.243.438.736.537.240.936.844.7-13.02-14.99-9.58-11.59-14.48-12.94-19.92-22.01-19.16-18.67-21.35-16.37-14.62-16.23-19.71-14.75-22.1210.88.72.73.35.211.913.710.514.816.91926.329.516.26.222.410.847.547.435.838.341.745.655.55556.658.162.4656653.447.159.255.5-23.82-23.69-12.2887、-14.89-19.68-24.84-33.62-32.51-33.96-35.57-40.35-42.67-44.12-32.43-25.91-37.15-32.925.133.13.13.23.24.733.13.23.23.135.35.23.33各勘探孔分层深度、高程、层厚一览表页(3)层 号岩土名称类 别层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度1素填土2-1淤泥288、-2粉质粘土3砂质粘性土4-1全风化花岗岩2-3中砂2-4淤泥质土2-5粉质粘土4-2强风化花岗岩4-3中风化花岗岩2-6粗砂ZK48ZK49ZK49AZK50ZK50AZK51ZK51AZK52ZK53ZK54ZK55ZK56ZK57ZK58ZK59ZK60ZK610000000000000000022.5922.3522.1821.9821.8521.6721.4421.1420.9221.6622.6922.3422.9723.1923.0723.4624.094.54.24.33.84.23.74.33.74.45.35.25.13.14.14.53.76.74.34.517.881889、.573.32.34.54.23.84.45.35.23.14.13.76.718.0918.1518.1816.5216.3617.4919.8719.0919.7617.392.39.60.92.76.51.38.55.21.62.36.87.64.73.74.33.77.16.59.36.85.3915.7914.5817.2817.9717.1417.4413.8216.1913.8916.2718.1615.091.43.83.66.13.25.110.214.62.13.67.88.213.811.44.27.58.817.311.87.511.613.98.914.398.55190、0.7817.6513.9412.343.629.8615.1911.379.2914.563.10.84.79.93.254.12.95.74.93.31.714.68.314.19.810.713.813.25.18.910.616.87.7513.687.7511.8710.747.349.4917.2414.1712.867.298.912.42.38.66.16.31112.72.77.52.411.316.116.416.821.414.717.816.517.211.618.111.296.085.454.64-0.486.964.546.475.9911.475.367.74.91、53.24.84.18.95.82.14.8102.81923.520.620.719.618.421.620.125.523.624.223.618.62221.620.919.23.59-1.151.581.282.253.27-0.161.04-4.58-1.94-1.51-1.264.371.191.472.564.8917.9134.611.610.58.89.113.46.67.98.38.823.65.116.316.317.836.936.525.232.330.127.230.733.532.131.532.532.442.227.137.937.237-14.31-14.192、5-3.02-10.32-8.25-5.53-9.26-12.36-11.18-9.84-9.81-10.06-19.23-3.91-14.83-13.74-12.916.35.416.54.86.69.39.65.111.17.912.18.26.34.48.94.64.243.241.941.737.136.736.540.338.643.239.444.640.648.531.546.841.841.2-20.61-19.55-19.52-15.12-14.85-14.83-18.86-17.46-22.28-17.74-21.91-18.26-25.53-8.31-23.73-18.393、4-17.1114.114.517.22420.431.122.924.44.913.57.712.28.325.45.710.317.957.356.458.961.157.167.663.26348.152.952.352.856.856.952.552.159.1-34.71-34.05-36.72-39.12-35.25-45.93-41.76-41.86-27.18-31.24-29.61-30.46-33.83-33.71-29.43-28.64-35.0153.13.23.17.85.13.233.23.15.15.13.33.155.13.2各勘探孔分层深度、高程、层厚一览表页94、(4)层 号岩土名称类 别层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度1素填土2-1淤泥2-2粉质粘土3砂质粘性土4-1全风化花岗岩2-3中砂2-4淤泥质土2-5粉质粘土4-2强风化花岗岩4-3中风化花岗岩2-6粗砂ZK63ZK63AZK64ZK64AZK65ZK66ZK67ZK68ZK68AZK69ZK70ZK71ZK72ZK73ZK74ZK75ZK760000000000095、0000022.9322.9723.0623.1623.1924.0724.8223.5323.9821.8222.8123.1723.3123.4123.2124.184.54.22.84.53.65.15.64.45.93.64.84.54.54.13.94.54.55.14.418.4318.9719.133.62.92.508.14.22.84.53.65.66.95.93.64.84.54.13.94.521.9414.8318.7720.2618.6619.5919.2216.6318.0818.2218.0118.8119.3119.3119.686.948.63.13.18.196、10.25.85.14.13.54.753.98.112.15.97.611.787.78.34.59.27.812.610.8317.1615.5611.4916.0714.1214.5118.6714.1115.4111.582.91.46.21.93.71.62.74.81.361.76.91512.813.815.812.7119.310.59.113.815.047.9310.179.369.0210.8312.9812.5212.8114.319.413.24.35.31.84.533.24.45.48.23.210.119.318.17.313.611.715.714.213.797、119.315.914.311.843.634.8715.769.5912.377.839.788.1211.8113.877.419.885.65.24.6103.16.82.83.64.112.17.45.54.215.717.315.616.723.116.721.417.3176.245.767.566.49-0.296.471.916.116.212.76.83.64.84.33.62.74.52.218.424.522.724.119.221.518.520.318.517.817.827.420.324.121.819.218.53.54-1.570.27-1.043.961.698、95.574.525.036.184.02-4.592.87-0.791.614.015.688.7722.621.112.610.918.27.58.613.714.49.811.612.41010.48.627.131.545.345.231.832.436.727.827.131.532.237.231.936.531.829.627.1-5.16-8.57-22.33-22.14-8.64-9.21-12.63-2.98-3.57-7.52-10.38-14.39-8.73-13.19-8.39-6.39-2.929.414.61.110.14.711.76.113.99.47.97.99、48.614.511.99.46.911.636.546.146.455.336.544.142.841.736.539.439.645.846.448.441.236.538.7-14.56-23.17-23.43-32.24-13.34-20.91-18.73-16.88-12.97-15.42-17.78-22.99-23.23-25.09-17.79-13.29-14.52378.911.43.113.66.61518.33532.720.89.6712.912.610.58.473.55557.858.450.150.757.86071.572.160.455.453.461.353100、.84747.1-51.56-32.07-34.83-35.34-26.94-27.51-33.73-35.18-47.97-48.12-38.58-32.59-30.23-37.99-30.39-23.79-22.9235.13.35.23.135.13.153.25.33.15.23.4633.2各勘探孔分层深度、高程、层厚一览表页(5)层 号岩土名称类 别层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层厚度层面深度层面高程分层101、厚度层面深度层面高程分层厚度1素填土2-1淤泥2-2粉质粘土3砂质粘性土4-1全风化花岗岩2-3中砂2-4淤泥质土2-5粉质粘土4-2强风化花岗岩4-3中风化花岗岩2-6粗砂ZK77ZK78ZK79BZK1BZK2BZK3BZK4BZK5BZK6BZK7BZK8BZK9BZK10BZK11BZK12BZK13 统计个数 最大值最小值平均值0000000000000000100100000 024.9925.7125.4422.2921.9621.8126.3724.4923.5422.5821.9121.3923.9323.7523.1522.8910010026.3720.6422.7422102、.745.36.56.55.24.74.73.75.15.342.71.24.32.12.11.91001006.71.24.054.055.24.74.75.314146.63.94.814.8117.0917.2617.1118.24141419.1316.7917.7417.741.11.813.514143.612.362.365.36.53.75.142.71.24.32.12.11.969698.703.943.9419.6919.2122.6719.3918.5819.2120.1919.6321.6521.0520.99696922.6714.6918.918.94.32.71103、.43.41.72.92.53.15.27.26.2696910.20.94.374.379.66.36.55.75.18.58.85.75.63.77.47.39.38.1828214.53.16.756.7515.3915.9915.4616.1121.2715.9914.7416.8816.3117.6916.5316.4513.8514.79828221.278.8915.9115.911.16.25.55.772.23.74.87.84.13.53.56.82.4828210.214.284.289.212.51211.412.1373717.33.610.4610.4616.519104、.799.9610.4114.27373720.123.6212.312.34.76.16.67.35.437379.90.84.894.8910.713.96.510.712.510.513.47.810.910.816.110.5787819.35.111.4811.4814.2911.8118.9413.7911.0412.088.5113.5913.0312.957.0512.39787818.943.6311.2711.271.47.611.638.43.64.49.42.23.33.15.9787812.71.15.695.6912.118.717.513.714.117.213.105、114.119.216.47878246.716.2916.2912.893.118.8710.798.484.1910.839.653.956.49787815.22-2.316.346.346.61.546.42.47.86.18.45.89.9787811.81.55.075.0718.721.518.118.618.620.221.520.120.916.517.82519.222.52526.310110129.513.820.920.96.294.217.343.693.361.614.874.392.646.084.11-3.614.731.25-1.85-3.411011018106、.57-8.531.831.8318.79.313.413.213.26.94.97.88.97.22.34.34.452.76.710110123.60.79.389.3837.430.831.531.831.827.126.427.929.823.720.129.323.627.527.73310110145.316.530.2830.28-12.41-5.09-6.06-9.51-9.84-5.29-0.03-3.41-6.26-1.121.81-7.910.33-3.75-4.55-10.111011016.87-22.33-7.55-7.554.48.589.44.76.93.54.107、66.711.213.36.95.83.73.73.110110116.51.17.177.1741.839.339.541.236.53429.932.536.534.933.436.229.431.231.436.110110155.324.237.4537.45-16.81-13.59-14.06-18.91-14.54-12.19-3.53-8.01-12.96-12.32-11.49-14.81-5.47-7.45-8.25-13.21101101-0.83-32.24-14.72-14.7215.723.826.121.92532.5212423.56.316.65.523.911108、.32.83.5101101372.113.6213.6257.563.165.663.161.566.550.956.56041.25041.753.342.534.239.610110173.53151.0751.07-32.51-37.39-40.16-40.81-39.54-44.69-24.53-32.01-36.46-18.62-28.09-20.31-29.37-18.75-11.05-16.71101101-8.66-51.56-28.34-28.3453.13.23.65.253.25.35.13.25.133.23.25.13.11011017.833.923.92各勘探孔109、分层深度、高程、层厚一览表页(6)20.0020.02.002.000.500.500.250.250.0750.0750.0050.005 压缩 系数 a 压缩 模量 Es快剪 C 快剪 标贯试验N%kN/m3%MPa-1MPakPao击MPa统计个数1313131313131313131313131353最大值32.218.52.6984.81.00937.12314.10.650.634.1415.113.37最小值22.517.52.6677.50.78130.219.510.70.280.433.198.47.61平均值27182.6880.70.89333.321.212.10.4110、80.533.591210.24.9平均值27182.6880.70.89333.321.212.10.480.533.591210.24.9标准差2.780.30.012.160.070.10.060.292.151.81.2变异系数0.1030.0160.004 0.027 0.0740.2170.1120.080.180.177 0.244修正系数1.0520.99211.013 1.0371.1081.0560.960.910.912 0.942标准值28.417.82.6881.80.9270.530.563.4410.99.34.6标准值28.417.82.6881.80.9270111、.530.563.4410.99.34.6统计个数77777777777778最大值68.116.32.6399.31.78448.529.119.42.011.711.727.432最小值55.915.72.697.31.50644.826.917.91.621.461.634.51.61平均值61.7162.6298.21.64146.72818.61.81.581.675.82.31.3平均值61.7162.6298.21.64146.72818.61.81.581.675.82.31.3标准差4.10.210.010.660.090.140.090.040.990.50.5变异系数0.112、0660.0130.004 0.007 0.0570.0760.056 0.023 0.171 0.2210.37修正系数1.0490.9911.005 1.0421.0561.042 0.983 0.874 0.8370.75标准值64.715.92.6298.71.7111.91.651.645.11.90.9标准值64.715.92.6298.71.7111.91.651.645.11.90.9统计个数2020202020202020202020202035最大值32.3192.7197.70.9438.624.415.40.660.464.8433.615.612最小值26.818.2113、2.6984.70.83734.421.512.20.390.394.1420.511.38平均值30.418.62.792.40.88836.822.913.80.540.424.5627.3139.9平均值30.418.62.792.40.88836.822.913.80.540.424.5627.3139.9标准差1.280.280.013.490.030.080.020.224.221.371.2变异系数0.0420.0150.003 0.038 0.0360.1570.050.048 0.154 0.105 0.121修正系数1.0170.99411.015 1.0141.0611.114、020.981 0.939 0.959 0.965标准值30.918.52.793.70.90.570.424.4725.712.49.5标准值30.918.52.793.70.90.570.424.4725.712.49.5统计个数252525252553最大值11.528.145.238.58.219最小值5.316.930.211.54.512平均值8.222.63824.96.214.2平均值8.222.63824.96.214.2标准差2.1变异系数0.147修正系数0.965标准值13.8标准值13.8统计个数1010101010101010101010101016最大值53.61115、7.42.6499.11.4164526.618.41.471.172.54135.43最小值43.816.62.6197.31.18242.124.717.41.10.862.0683.21平均值48.2172.6298.31.28643.525.617.91.260.992.3410.94.32.1平均值48.2172.6298.31.28643.525.617.91.260.992.3410.94.32.1标准差3.280.260.010.60.080.120.10.171.870.770.5变异系数0.0680.0150.004 0.0060.060.0960.106 0.071 0.116、173 0.179 0.235修正系数1.040.99111.004 1.0351.0561.062 0.958 0.899 0.895 0.895标准值50.116.92.6298.61.3311.331.052.249.83.81.9标准值50.116.92.6298.61.3311.331.052.249.83.81.9统计个数2626262626262626262626262654最大值3019.32.7195.30.86537.724.414.30.510.385.7735.218.314最小值24.518.62.6883.40.7632.520.811.50.280.314.662117、3.7139平均值26.718.92.789.60.8043522.112.90.360.355.162916.111.5平均值26.718.92.789.60.8043522.112.90.360.355.162916.111.5标准差1.510.220.013.750.030.050.020.33.651.651.3变异系数0.0560.0120.003 0.042 0.0330.1490.054 0.059 0.126 0.102 0.113修正系数1.0190.99611.014 1.0111.0511.0180.980.957 0.965 0.974标准值27.218.92.790.118、80.8140.380.365.0627.815.511.2标准值27.218.92.790.80.8140.380.365.0627.815.511.2统计个数232323232351最大值21.951.424.422.77.633最小值13.437.312.553.216平均值17.743.318.715.4523.2平均值17.743.318.715.4523.2标准差4.5变异系数0.193修正系数0.954标准值22.1标准值22.1统计个数21212121212121212121212121212121212190最大值24.719.62.6992.90.75534.922.212119、.90.229.219.513.69.363.30.346.8930.925.532最小值21.118.72.6779.60.66631.219.4110.065.313.994.552.30.255.0618.420.613平均值22.819.22.6885.30.7153321.111.90.147.416.711.56.757.70.295.9824.523.222.1平均值22.819.22.6885.30.7153321.111.90.147.416.711.56.757.70.295.9824.523.222.1标准差0.90.230.013.560.020.050.030.623120、.941.475.1变异系数0.040.0120.002 0.042 0.0280.3420.106 0.104 0.161 0.0630.23修正系数1.0150.99511.016 1.0111.1311.040.960.938 0.976 0.959标准值23.119.12.6886.70.7230.160.35.742322.721.2标准值23.119.12.6886.70.7230.160.35.742322.721.2统计个数13131313131313131313131313131313131367最大值2320.22.6887.90.74833.821.911.9012.72121、3.113.18.158.70.38.830.627.857最小值15.918.92.6678.30.53229.118.510.27.216.98.64.6470.185.8719.822.945平均值18.419.82.6782.10.59830.619.610.99.719.411.1653.80.227.5225.326.150.9平均值18.419.82.6782.10.59830.619.610.99.719.411.1653.80.227.5225.326.150.9标准差1.880.320.013.320.051.972.081.621.043.710.031.043.651.122、493.3变异系数0.1020.0160.0020.040.0870.203 0.107 0.147 0.172 0.0690.159 0.139 0.144 0.057 0.065修正系数1.0510.99211.021.043111111.080.931 0.928 0.972 0.986标准值19.319.62.6783.80.6249.719.411.1653.80.24723.525.450.2标准值19.319.62.6783.80.6249.719.411.1653.80.24723.525.450.2统计个数83最大值99最小值73平均值84.2平均值84.2标准差6.9变异系123、数0.082修正系数0.985标准值82.9标准值82.9统计个数36最大值78.2最小值18.7平均值55.87平均值55.87标准差13.51变异系数0.242修正系数0.93标准值51.99标准值51.99土 工 试 验 物 理 力 学 性 质 指 标 统 计 成 果 表物 理 性 质 指 标力学性质指标土 粒 组 成压 缩快 剪层号12-12-22-32-42-52-634-14-24-3岩土名称素填土淤泥粉质粘土中砂淤泥质土粉质粘土粗砂砂质粘性土全风化花岗岩强风化花岗岩中风化花岗岩 统计项目 含水量 W 天然 重度 土粒 比重 G 饱和 度 Sr 孔隙 比 e 液限 WL 塑限 Wp124、 塑性 指数 Ip 液性 指数 IL原 位测 试岩石抗压强度钻孔号层 号杆长(m)试验深度(m)修正系数实测击数修正击数实测击数统计修正击数统计ZK13.051.050.99933ZK33.851.850.97743.9ZK54.052.050.97243.9ZK73.351.350.99144ZK85.053.050.94565.7ZK103.951.950.97554.9ZK11A3.851.850.97754.9ZK134.652.650.95665.7ZK153.851.850.97743.9ZK16A4.252.250.96765.8ZK18A6.154.150.91765.5ZK1125、94.052.050.97254.9ZK213.851.850.97743.9ZK233.851.850.97732.9ZK255.053.050.94565.7ZK283.851.850.97743.9ZK295.153.150.94354.7ZK314.652.650.95654.8ZK334.052.050.97254.9ZK353.051.050.999334.052.050.97254.96.254.250.91510.9ZK395.153.150.94365.7ZK415.553.550.93265.6ZK425.253.250.9465.6ZK444.652.650.95654.126、8ZK454.852.850.95154.8ZK474.752.750.95354.8ZK485.153.150.94365.7ZK49A5.053.050.94554.7ZK50A4.752.750.95343.8ZK514.052.050.97276.8ZK524.052.050.97243.9ZK555.553.550.93265.6ZK565.653.650.92965.6ZK593.851.850.97732.9ZK604.052.050.97254.9ZK63A5.153.150.94354.7ZK64A4.052.050.97243.91标准贯入试验成果表(第1层)ZK37个 数127、=53最小值=1.0最大值=7.0平均值=4.9个 数=53最小值=0.9最大值=6.8平均值=4.7页(1)钻孔号层 号杆长(m)试验深度(m)修正系数实测击数修正击数实测击数统计修正击数统计标准贯入试验成果表(第1层)ZK675.553.550.93265.6ZK685.353.350.93776.6ZK704.852.850.95154.8ZK725.053.050.94565.7ZK745.053.050.94565.7ZK775.053.050.94565.7ZK795.353.350.93765.6BZK24.252.250.96765.8BZK34.752.750.95354.8128、BZK55.053.050.94543.8BZK65.053.050.94554.7BZK83.851.850.97732.9BZK104.652.650.95654.8BZK123.051.050.99933统计个数5353最大值76.8最小值10.9平均值4.94.7标准差1.1971.107变异系数0.2440.236修正系数0.9420.944标准值4.64.41个 数=53最小值=1.0最大值=7.0平均值=4.9个 数=53最小值=0.9最大值=6.8平均值=4.7页(2)钻孔号层 号杆长(m)试验深度(m)修正系数实测击数修正击数实测击数统计修正击数统计ZK18A9.557.55129、0.85121.7ZK418.056.050.87910.9ZK427.855.850.88310.9ZK49A8.156.150.87710.9ZK597.155.150.89710.9ZK63A9.857.850.84621.7ZK678.856.850.86310.9BZK68.856.850.86310.9统计个数88最大值21.7最小值10.9平均值1.31.1标准差0.4630.37变异系数0.370.337修正系数0.750.773标准值0.90.8标准贯入试验成果表(第2-1层)2-1个 数=8最小值=1.0最大值=2.0平均值=1.3个 数=8最小值=0.9最大值=1.7平均130、值=1.1页(1)钻孔号层 号杆长(m)试验深度(m)修正系数实测击数修正击数实测击数统计修正击数统计ZK16.754.750.90598.1ZK35.853.850.92498.37.455.450.891108.911.359.350.821129.9ZK107.055.050.899109ZK11A6.754.750.905109.1ZK18A3.3511.350.991109.9ZK197.155.150.897109ZK216.454.450.911109.1ZK235.753.750.92787.4ZK257.855.850.88397.9ZK298.056.050.879108.131、88.056.050.87997.910.758.750.8311210ZK337.855.850.88397.9ZK355.853.850.9241110.210.058.050.84386.713.1511.150.795118.7ZK3910.158.150.841108.49.157.150.85897.712.6510.650.801129.6ZK458.156.150.877108.8ZK477.655.650.887108.9ZK63A12.5510.550.803108ZK64A7.155.150.8971098.856.850.86397.812.5510.550.80311132、8.8ZK707.755.750.885119.7ZK747.755.750.8851210.6ZK779.857.850.846119.3BZK59.057.050.85997.7BZK86.054.050.91987.4BZK107.855.850.88387.16.154.150.91787.39.557.550.851108.5统计个数3535最大值1210.6最小值86.7平均值9.98.6标准差1.1920.952变异系数0.1210.111修正系数0.9650.968标准值9.58.3ZK68BZK122-2个 数=35最小值=8.0最大值=12.0平均值=9.9个 数=35最小133、值=6.7最大值=10.6平均值=8.6标准贯入试验成果表(第2-2层)ZK5ZK31ZK37ZK44页(1)钻孔号层 号杆长(m)试验深度(m)修正系数实测击数修正击数实测击数统计修正击数统计ZK110.458.450.8361310.98.056.050.8791210.512.3510.350.8051713.7ZK514.0512.050.7831511.7ZK77.655.650.8871210.68.556.550.8691311.310.758.750.8311714.110.058.050.8431210.113.4511.450.7911915ZK11A9.757.750.8134、481411.9ZK139.157.150.8581210.38.056.050.8791311.411.359.350.8211613.18.156.150.8771210.511.259.250.8231613.2ZK18A18.1516.150.7291410.2ZK1912.3510.350.8051411.3ZK218.856.850.8631311.2ZK238.256.250.8751311.4ZK2510.658.650.8331310.87.755.750.8851210.68.0516.050.8791210.5ZK2911.159.150.8241411.5ZK3114.135、0512.050.783141111.059.050.8261310.715.7513.750.761914.49.157.150.858141212.2510.250.8071814.5ZK4110.758.750.8311310.8ZK429.857.850.8461411.810.658.650.8331310.814.0512.050.7831713.3ZK489.457.450.8531311.1ZK49A11.259.250.8231512.36.454.450.9111210.910.258.250.8391714.3ZK529.257.250.8561311.1ZK599.95136、7.950.8441210.1ZK609.557.550.8511311.1ZK45ZK51标准贯入试验成果表(第2-3层)ZK3ZK8ZK10ZK15ZK16A2-3个 数=53最小值=12.0最大值=19.0平均值=14.2个 数=53最小值=10.1最大值=15.0平均值=11.8ZK28ZK33ZK35页(1)钻孔号层 号杆长(m)试验深度(m)修正系数实测击数修正击数实测击数统计修正击数统计标准贯入试验成果表(第2-3层)ZK63A16.1514.150.7551813.6ZK6711.659.650.8161411.4ZK729.157.150.858141210.358.350.137、8381310.913.4511.450.7911814.28.756.750.8651210.411.659.650.8161713.9BZK511.659.650.8161310.6BZK612.5510.550.8031411.29.157.150.8581210.312.6510.650.8011612.8BZK1010.658.650.8331411.713.1511.150.7951411.116.3514.350.7521813.5统计个数5353最大值1915最小值1210.1平均值14.211.8标准差2.0931.374变异系数0.1470.117修正系数0.9650.97138、2标准值13.811.4BZK2BZK3BZK8BZK12页(2)钻孔号层 号杆长(m)试验深度(m)修正系数实测击数修正击数实测击数统计修正击数统计ZK2810.258.250.83921.7ZK4115.1513.150.76821.5ZK4215.0513.050.76921.5ZK4418.3516.350.72732.2ZK4712.1510.150.80821.6ZK4811.659.650.81621.6ZK49A16.0514.050.75621.5ZK50A8.156.150.87710.9ZK5212.1510.150.80821.6ZK5511.359.350.82121139、.6ZK63A18.6516.650.72421.4ZK6819.2517.250.71821.4ZK7013.2511.250.79332.4ZK7412.4510.450.80421.6BZK217.0515.050.74332.2BZK315.2513.250.76721.5统计个数1616最大值32.4最小值10.9平均值2.11.6标准差0.50.361变异系数0.2350.221修正系数0.8950.902标准值1.91.5标准贯入试验成果表(第2-4层)2-4个 数=16最小值=1.0最大值=3.0平均值=2.1个 数=16最小值=0.9最大值=2.4平均值=1.6页(1)钻孔号140、层 号杆长(m)试验深度(m)修正系数实测击数修正击数实测击数统计修正击数统计ZK114.0512.050.783107.8ZK316.1514.150.755118.3ZK517.7515.750.733139.5ZK711.359.350.821108.2ZK814.3512.350.779129.312.5510.550.80397.218.0516.050.73139.512.2510.250.807108.115.0513.050.769129.2ZK1515.0513.050.769118.5ZK16A15.1513.150.768118.4ZK18A22.2520.250.688141、117.6ZK1915.4513.450.764129.212.1510.150.808118.916.5514.550.749139.712.1510.150.808118.917.2515.250.74139.6ZK2513.1511.150.795118.7ZK2814.1512.150.781107.815.0513.050.769107.718.4516.450.726139.4ZK3117.2515.250.74128.9ZK3319.5517.550.715128.6ZK3515.3513.350.765107.7ZK3917.7515.750.733139.517.6515.6142、50.735107.322.2520.250.688149.6ZK50A17.0515.050.743118.213.3511.350.792107.917.5515.550.736139.6ZK5217.7515.750.733139.517.0515.050.743107.421.6519.650.6941399.357.350.854108.513.2511.250.793129.5ZK5912.0510.050.809108.114.0512.050.783118.617.3515.350.739139.6ZK63A24.3522.350.668128ZK56ZK60标准贯入试验成果表143、(第2-5层)ZK11AZK13ZK21ZK23ZK29个 数=54最小值=7.2最大值=10.2平均值=8.72-5个 数=54最小值=9.0最大值=14.0平均值=11.5ZK45ZK51ZK55页(1)钻孔号层 号杆长(m)试验深度(m)修正系数实测击数修正击数实测击数统计修正击数统计标准贯入试验成果表(第2-5层)12.3510.350.805118.916.0514.050.756139.815.4513.450.764118.419.1517.150.719139.3ZK7017.1515.150.741139.613.0511.050.79610816.3514.350.7521144、39.810.358.350.838108.414.1512.150.7811310.2BZK514.7512.750.773107.716.3514.350.752107.519.1517.150.719128.6BZK817.5515.550.736139.6BZK1014.6512.650.775107.7BZK1220.0518.050.71117.8统计个数5454最大值1410.2最小值97.2平均值11.58.7标准差1.2990.801变异系数0.1130.092修正系数0.9740.978标准值11.28.5ZK64AZK67ZK72ZK79BZK6页(2)钻孔号层 号杆长(145、m)试验深度(m)修正系数实测击数修正击数实测击数统计修正击数统计ZK118.7516.750.7232316.6ZK319.3517.350.7172115ZK521.0519.050.72114.715.0513.050.7691713.118.1516.150.7293122.617.7515.750.7332216.120.5518.550.7053121.8ZK1319.8517.850.7122719.2ZK1517.8515.850.7322014.6ZK16A18.6516.650.7242014.5ZK18A28.4526.450.6362314.6ZK1921.5519.5146、50.6952618.1ZK2120.6518.650.7042416.922.0520.050.691711.726.4524.450.6542717.615.8513.850.7591612.118.6516.650.7242417.422.1520.150.6891913.126.6524.650.6522717.6ZK2921.0519.050.72316.1ZK3120.5518.550.7052014.1ZK3322.6520.650.6842416.420.1518.150.7091611.325.1523.150.6623120.5ZK3717.8515.850.7322216147、.1ZK3922.5520.550.6852315.7ZK4120.5518.550.7051812.7ZK4220.7518.750.7032517.622.1520.150.6892315.826.7524.750.6523220.9ZK4527.0525.050.652314.9ZK4719.8517.850.7122014.215.1513.150.7681612.320.0518.050.713122ZK49A20.1518.150.7092316.3ZK50A20.2518.250.7082417ZK5622.2520.250.6882416.515.1513.150.768181148、3.818.7516.750.7232316.6标准贯入试验成果表(第2-6层)ZK7ZK10ZK23ZK25ZK282-6个 数=51最小值=16.0最大值=33.0平均值=23.2个 数=51最小值=11.3最大值=22.6平均值=16.3ZK35ZK44ZK48ZK59页(1)钻孔号层 号杆长(m)试验深度(m)修正系数实测击数修正击数实测击数统计修正击数统计标准贯入试验成果表(第2-6层)21.2519.250.6983121.6ZK6021.3519.350.6972517.4ZK64A22.2520.250.6882517.2ZK7220.1518.150.7092215.6ZK7149、420.1518.150.7091812.815.1513.150.7681813.819.0517.050.722316.5BZK321.4519.450.6962215.3BZK517.7515.750.7332820.5BZK1017.7515.750.7332417.623.2521.250.6781912.925.6523.650.6593321.7统计个数5151最大值3322.6最小值1611.3平均值23.216.3标准差4.4682.881变异系数0.1930.177修正系数0.9540.957标准值22.115.6ZK77BZK12页(2)钻孔号层 号杆长(m)试验深度(m150、)修正系数实测击数修正击数实测击数统计修正击数统计22.1520.150.6891913.125.2523.250.6622717.9ZK322.5520.550.6852315.725.0523.050.6631912.629.1527.150.6292616.3ZK722.2520.250.6882315.819.0517.050.721712.223.3521.350.6772617.6ZK1022.3520.350.6872617.824.8522.850.6641912.629.5527.550.6252716.9ZK1324.1522.150.6691912.7ZK1522.152151、0.150.6892315.8ZK16A22.6520.650.6842517.1ZK18A32.2530.250.6052213.325.1523.150.6621912.629.3527.350.6272616.325.1523.150.6621811.929.6527.650.6242616.230.1528.150.6191811.133.7531.750.5952917.3ZK2522.2520.250.6882114.430.7528.750.6151911.734.1532.150.5923219ZK2924.1522.150.6692013.4ZK3124.0522.050.6152、71912.7ZK3327.7525.750.6431811.6ZK3532.3530.350.6042012.122.0520.050.69149.727.7525.750.6432314.832.6530.650.6023219.326.8524.850.6511811.730.0528.050.622414.924.1522.150.6691711.428.8526.850.6322515.824.1522.150.669181228.7526.750.6332616.4ZK4433.0531.050.62112.6ZK4530.3528.350.6182113个 数=90最小值=8.8153、最大值=20.8平均值=14.33标准贯入试验成果表(第3层)ZK1ZK5ZK8ZK11AZK19个 数=90最小值=13.0最大值=32.0平均值=22.1ZK21ZK23ZK28ZK37ZK39ZK41ZK42页(1)钻孔号层 号杆长(m)试验深度(m)修正系数实测击数修正击数实测击数统计修正击数统计标准贯入试验成果表(第3层)22.2520.250.6881711.729.0527.050.632616.423.4521.450.6761711.528.0526.050.642516ZK49A25.0523.050.6632113.923.7521.750.673149.426.3524154、.350.6542214.422.0520.050.69149.725.7523.750.6582617.125.0523.050.6631912.630.1528.150.6193119.228.1526.150.639159.632.3530.350.6042816.927.1525.150.6491912.332.3530.350.6042917.525.0523.050.663159.928.8526.850.6322012.633.5531.550.5962917.325.3523.350.6611610.629.4527.450.6262314.433.3531.350.59832155、19.1ZK63A28.7526.750.633191228.5526.550.6351811.432.2530.250.6052414.537.7535.750.5713117.722.0520.050.691913.128.1526.150.6392717.223.6521.650.674138.827.1525.150.6492918.822.2520.250.6881812.427.3525.350.6472616.823.7521.750.6731912.828.7526.750.6332817.725.2523.250.6621711.229.3527.350.6272616.32156、2.3520.350.687191327.1525.150.6492616.922.2520.250.688161128.0526.050.643019.2个 数=90最小值=8.8最大值=20.8平均值=14.33个 数=90最小值=13.0最大值=32.0平均值=22.1ZK47ZK48ZK50AZK51ZK52ZK74ZK77ZK79ZK55ZK56ZK59ZK60ZK64AZK67ZK68ZK70ZK72页(2)钻孔号层 号杆长(m)试验深度(m)修正系数实测击数修正击数实测击数统计修正击数统计标准贯入试验成果表(第3层)22.0520.050.69149.726.5524.550.6157、532013.130.3528.350.6182917.924.1522.150.6692013.427.5525.550.645312024.1522.150.6692013.427.1525.150.6493220.823.7521.750.673149.428.8526.850.6322515.8BZK821.1519.150.6991812.6BZK1023.7521.750.6732013.5BZK1228.1526.150.6392012.8统计个数9090最大值3220.8最小值138.8平均值22.114.3标准差5.0832.918变异系数0.230.204修正系数0.959158、0.963标准值21.213.7个 数=90最小值=8.8最大值=20.8平均值=14.33个 数=90最小值=13.0最大值=32.0平均值=22.1BZK2BZK3BZK5BZK6页(3)钻孔号层 号杆长(m)试验深度(m)修正系数实测击数修正击数实测击数统计修正击数统计ZK130.1528.150.6195131.6ZK326.8524.850.6515032.6ZK538.4536.450.5685330.127.1525.150.6494730.532.1530.150.6065533.3ZK826.7524.750.6525233.9ZK1030.7528.750.6155634.159、4ZK11A37.8535.850.5714827.4ZK1327.7525.750.6434730.2ZK1526.7524.750.6524730.6ZK16A27.7525.750.6435233.4ZK18A39.1537.150.5644927.6ZK1934.3532.350.5915331.3ZK2136.7534.750.5765129.4ZK2338.0536.050.575229.6ZK2530.3528.350.6185735.2ZK2837.0535.050.5754928.2ZK2929.1527.150.6294930.827.6525.650.6444931.53160、2.2530.250.6055533.3ZK3334.0532.050.5934929.1ZK3536.8534.850.5764727.1ZK3739.1537.150.564462637.7535.750.5714525.740.7538.750.5565128.4ZK4140.7538.750.5565027.8ZK4235.0533.050.5864627ZK4436.6534.650.5774928.335.4533.450.5844928.639.3537.350.5635631.5ZK4742.2540.250.5495329.1ZK4842.0540.050.555429.72161、8.8526.850.632461232.2530.250.6055716.9ZK50A35.1533.150.5865230.5ZK5132.2530.250.6054829ZK5237.2535.250.5744928.137.0535.050.5754928.242.1540.150.555429.7个 数=67最小值=45.0最大值=57.0平均值=50.9个 数=67最小值=12.0最大值=35.2平均值=29.44-1标准贯入试验成果表(第4-1层)ZK7ZK31ZK39ZK45ZK49AZK55页(1)钻孔号层 号杆长(m)试验深度(m)修正系数实测击数修正击数实测击数统计修正击162、数统计标准贯入试验成果表(第4-1层)35.7533.750.5824626.839.1537.150.564553142.2540.250.5494926.946.1544.150.5365630ZK6041.0539.050.5555631.135.3533.350.5844626.940.1538.150.5595430.249.1547.150.5264925.853.5551.550.5135528.2ZK6741.1539.150.5545228.8ZK6832.1530.150.6065130.936.4534.450.5784928.339.6537.650.5625430.3163、35.7533.750.5824928.538.8536.850.5665229.435.2533.250.5854828.140.0538.050.565329.7ZK7741.6539.650.5525329.235.7533.750.5824526.239.1537.150.5645631.6BZK236.0534.050.584928.4BZK332.2530.250.6055231.5BZK532.0530.050.6064929.7BZK633.6531.650.596523124.0522.050.674630.829.1527.150.6295534.6BZK1028.7526164、.750.6335534.8BZK1231.4529.450.615131.1统计个数6767最大值5735.2最小值4512平均值50.929.4标准差3.3283.491变异系数0.0650.119修正系数0.9860.975标准值50.228.6个 数=67最小值=45.0最大值=57.0平均值=50.9个 数=67最小值=12.0最大值=35.2平均值=29.44-1ZK63AZK64AZK70ZK72ZK74ZK79BZK8ZK56ZK59页(2)钻孔号层 号杆长(m)试验深度(m)修正系数实测击数修正击数实测击数统计修正击数统计35.1533.150.5867644.539.853165、7.850.5619553.3ZK331.3529.350.6118853.843.3541.350.546774247.0545.050.5338947.5ZK737.8535.850.5718850.232.0530.050.6067746.737.4535.450.5738951ZK1034.0532.050.5939254.642.2540.250.5497340.147.9545.950.538947.232.1530.150.6068149.137.2535.250.5749353.4ZK1532.1530.150.6068853.3ZK16A35.0533.050.5868449166、.344.2542.250.5437440.148.1546.150.539952.4ZK1938.0536.050.578749.6ZK2142.0540.050.559351.1ZK2340.5538.550.5578346.335.1533.150.5867745.138.7536.750.5669252.1ZK2841.1539.150.554925135.2533.250.5858147.439.1537.150.5649050.840.3538.350.5587541.945.1543.150.549450.7ZK3336.8534.850.5768548.9ZK3541.0539167、.050.5558949.445.0543.050.547741.652.1550.150.5179247.6ZK3946.0544.050.5378646.1ZK4147.0545.050.5337942.1ZK4242.5540.550.5488244.941.2539.250.5548044.347.0545.050.5339651.2ZK4545.1543.150.547942.649.1547.150.526764052.2550.250.5178242.44月2日标准贯入试验成果表(第4-2层)ZK1ZK5ZK8ZK11AZK13个 数=83最小值=73.0最大值=99.0平均值=168、84.2个 数=83最小值=39.6最大值=54.6平均值=46.3ZK18AZK25ZK29ZK31ZK37ZK44ZK47页(1)钻孔号层 号杆长(m)试验深度(m)修正系数实测击数修正击数实测击数统计修正击数统计标准贯入试验成果表(第4-2层)47.1545.150.5337942.152.1550.150.517894645.1543.150.547439.949.2547.250.5268343.640.2538.250.5597541.944.1542.150.5439249.940.0538.050.567944.244.1542.150.5438847.842.3540.350169、.5497541.247.3545.350.5328947.4ZK5548.0546.050.538947.244.0542.050.5437842.448.7546.750.5289248.5ZK5950.0548.050.523884645.6543.650.5387741.450.1548.150.5238946.5ZK63A49.5547.550.5258846.2ZK64A59.7557.750.4978140.246.7544.750.5347741.150.0548.050.5238946.645.3543.350.5397942.652.2550.250.5178845.544170、.2542.250.5437641.250.3548.350.5229248ZK7250.7548.750.5217639.644.8542.850.5417540.548.6546.650.5288846.445.1543.150.54764152.1550.150.517894643.3541.350.5467339.847.6545.650.5318846.740.1538.150.5597642.544.3542.350.5428948.337.7535.750.571774442.0540.050.558948.937.1535.150.5747945.442.2540.250.54171、99552.240.8538.850.5567742.844.0542.050.5439652.1个 数=83最小值=73.0最大值=99.0平均值=84.2个 数=83最小值=39.6最大值=54.6平均值=46.34-2ZK48ZK49AZK50AZK51ZK52BZK5BZK6ZK56ZK60ZK67ZK68ZK70ZK74ZK77ZK79BZK2BZK3页(2)钻孔号层 号杆长(m)试验深度(m)修正系数实测击数修正击数实测击数统计修正击数统计标准贯入试验成果表(第4-2层)37.2535.250.5747945.342.0540.050.559351.133.3531.350.598172、7846.637.6535.650.5728548.6BZK1235.0533.050.5868952.2统计个数8383最大值9954.6最小值7339.6平均值84.246.3标准差6.8994.108变异系数0.0820.089修正系数0.9850.983标准值82.945.5个 数=83最小值=73.0最大值=99.0平均值=84.2个 数=83最小值=39.6最大值=54.6平均值=46.34-2BZK8BZK10页(3)孔层试验地下黏粒实测临界深度水位含量击数击数号号(m)dWcNNcrdiWiILEiILE(m)(%)(击)(击)(m)m(m)(%)(击)(击)(m)m-1-16173、.052.53127.76不液化1.5510.352.531710.04不液化1.692-35.65中砂2.53127.49不液化1.6013.052.531711.11不液化1.5316.152.533112.12不液化2.568.052.53128.93不液化1.3411.452.531910.50不液化1.8115.752.532212.00不液化1.8318.552.533112.80不液化2.422-38.65中砂2.53139.24不液化1.4113.852.531611.39不液化1.4116.652.532412.27不液化1.962-37.45中砂2.53138.61不液化1174、.5113.152.531611.14不液化1.4418.052.533112.67不液化2.45N/NcrZK3ZK7ZK3ZK7粗砂中砂标准贯入试验液化判别及液化指数计算成果表液化判别最大深度:20米 设计地震分组:第一组 调整系数:0.8工程名称:凯德雪松智汇中心项目液化等级液化区段液化判别标贯点代表的土层厚度层位影响权函数液化指数标贯击数基准值N0:7击抗震设防烈度:7度液化指数计算岩土名称液化判别粗砂液化指数ZK25ZK252-3中砂2-6ZK10ZK102-32-62-6粗砂ZK48ZK482-6粗砂 ZK1 ZK2 ZK3 ZK4 ZK5 ZK6 ZK7 ZK7A ZK8 ZK9175、 ZK10 ZK11 ZK12 ZK13 ZK14 ZK15 ZK16 ZK16A ZK17 ZK18 ZK18A ZK19 ZK20 ZK21 ZK22 ZK23 ZK24 ZK25 ZK26 ZK27 ZK28 ZK29 ZK30 ZK31 ZK32 ZK33 ZK34 ZK35 ZK36 ZK37 ZK38 ZK39 ZK40 ZK41 ZK42 ZK43 ZK44 ZK45 ZK46 ZK47 ZK48 ZK49 ZK50 ZK51 ZK50A ZK51A ZK52 ZK53 ZK54 ZK55 ZK56 ZK57 ZK58 ZK59 ZK60 ZK61 ZK63 ZK63A ZK64 ZK64A ZK65 ZK66 ZK67 ZK68 ZK68A ZK69 ZK70 ZK71 ZK72 ZK73 ZK74 ZK75 ZK76 ZK77 ZK78 ZK79 BZK1 BZK2 BZK3 BZK4 BZK5 BZK6 BZK7 BZK8 BZK9 BZK10 BZK11 BZK12 BZK13
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