1、 桩 基 设 计 1 R=Qa=Qu/K 规范经验参数法 Quk=Qsk+Qpk=uqsikLi+qpkAp 桩 径 D=0.3770.377mu(m)=1.184m Ap()=0.1116 土 层该土层桩长qsik(Kpa)qpk(Kpa)桩端土层s=p=1.751.75 1 10000 2 215100 3 361900R=Quk/sp=860.34860.34KN 4 474015000 5 585000 6 6210024001 桩 型s=p 7 704000 预制桩、钢管桩1.61.6 8 806000 沉管灌注桩1.751.75 9 904500 1005200 uqsikL=12
2、37.68KN qpkAp=267.91KN Q Quk=uk=1505.591505.59KN J16C17J20C21C15J18 层 号土层名称压缩模量Es(Mpa)重度(KN/m3)q qsik(Kpa)q qpk(Kpa)阻力土层厚度(m)阻力土层厚度(m)阻力土层厚度(m)阻力土层厚度(m)阻力土层厚度(m) 阻力土层厚度(m) 2-1重粉质粘土3.1017.8030.015001.702.002.001.901.501.70 2-2粉质粘土9.9819.4015.025005.307.308.008.606.007.60 3-1重粉质粘土3.117.8030.015000.000
3、.003.103.200.003.40 3-2重粉质粘土2.2317.1050.020005.504.000.000.004.770.00 3-3粉质粘土夹砂3.4917.900.025000.000.000.000.000.000.00 4残积土4.2718.000.025000.000.000.000.000.000.00 5-1强风化泥质粉砂岩7.8420.200.025000.000.000.000.000.000.00 桩桩 长长(m)12.5012.5013.3013.3013.1013.1013.7013.7012.2712.2712.7012.70 规范经验参数法桩桩 径径(m)(m)0.3770.3770.3770.3770.3770.3770.3770.3770.3770.3770.3770.377 Quk=Qsk+Qpk=uqsikLi+qpkApq qpk(Kpa)