桥梁工程前沿技术交流培训课件(94页).pdf
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2023-08-30
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1、1前言c2010革以来,申国桥梁取得了挺足的进步,迪步更新了斜拉桥、悬索桥等大躇径桥梁的纪录,更出现了高速铁路干米级悬索桥、斜拉悬索协作体系桥梁、多塔大睛斜拉桥、大口径桩基础桥梁、预制装配化桥梁等系列民足迪步,这切都离不开制造、施工和设计技术的飞速发展。1前言口制造Manufacture钢箱梁制造Manufacture of steel b。x girder 全自动化焊接生产线,创新的双面U肋焊接成型技术、最长节段旦旦旦、最重旦旦1;Automatic welding production line,innovative technology of double-sided U-rib wel2、ding,1豆豆mlong立QQQJ_ weight 钢塔制造Manufacture of steel tower 钢塔大节段制造能力,高105m,重2600盹;M_anufacturinq of steel tower:the manufacturing capability of large segment,1豆豆旦high and 2旦旦旦weight.1:响L旦1:i double-sided welded Big叩an steel girder assembled l t steel ower segment matched Large segment of steel tower 3、1前言c口制造Manufacture 斜拉索:各种直径的钢绞线或平行钢丝索,拥有900m长的平行钢丝斜拉索生产线stay cable:steel strand or parallel wire cable of various diameters,900-meter-long parallel wire cable line 主缆索月:PPWS,生产2000MPa钢丝,生产最长单根索股3100m.Main cable strand:the capability to produce 2000Mpa wire,the longest cable strand is 3100m.其他大型桥梁构件:4、索鞍、支座、阻尼器等Large saddle,suppo厅er,damper and so on.r队二r萨百1rwe 1-t眨ir 11111:一二J人;配;i.U牙iiE寸才1曰正;凰.,._,,.?一百-.,577m long stay cable!i Erection of main cable strand:i Large saddle i:Large suppo时er1前言c口施工c。nstructi。n in site 各种建设条件:various叫tions各种阴J:V叫e仰esBeam bridge Arch bridge Cable-stayed bidge圃;军南3盟军噩5、Suspension bridge 圄 一一 可电可Hybrid system bridge 1前言c口施工Constructi。n in site 某础施工:Construction of foundation桩基础施工I i Pile construction 百米长打入钢管桩群桩基础4.5m直径钻孔桩己.6m直径复合桩大规模深水群桩基础0 O O O O 0 n o 户ms n o 一户U一工刷一施川一墙md一连的一地仇du n uo QM e du n U n一一h一一础一工m一一基一桐Zr们一4归一册,到一一【几在mEV一搁一wn上44JC苗h讥“四一大大型水上沉井基础大型海上沉箱基6、础。00 0 0,.矩形地下连续墙支护结构圆形地下连续墙支护结构形地下连续墙支护结构冻结排;眩支护结构1前言c口施工Construction in site 上部结构施工:Constructionof superstructure 悬臂拼装技术Cantilevered assembl的gconstruction 悬臂浇筑技术Cast-in-cantilever method 转体技术construction by swing method 斜拉扣挂施工技术Cantilever assembly method with cable inclined oullina and buckina svs7、tem 悬索桥跨缆吊机安装技术Hoisting method of cable hoist Whole span pouring/erecting nwv fnAR叫,川和向阳iauumu阳南、怜创品U凡3e w时,rcn缆索吊吊装施工技术 Hoisfjng method of cable crane I:钢混凝土索塔施工技术Steel/concrete tower construction method 悬索桥轨索移梁技术method of the rail cable shifting girder 钢管混凝土拱桥施工技术Construction technology of concret8、efilled steel tube arch bridae。1,庵,Hoisting method of cable crane Hydraulic-walking incremental launching method the rail cable shifting girder Construction techn?仇lefilled steel tube arch bridae 1而言c口施工c。nstruction in site 装配化桥梁:Construction of superstructure短线匹配法节段预制拼装技术segmental prefabrication an9、d erection technology 厦门集美大桥节段梁预制生产线,仅用18个月完成预制安装芜湖二桥,全体外配束港珠澳香港接线桥,跨径180m大悬臂脊骨箱梁海上长大节段预制吊装技术Prefabricated and hoisting technology of large segment 1前言口施工设备海上桥梁(Equipment-Bridges on sea)中国桥梁施工能力得到了快速发展,具有重大装备全产业链制造能力Chinese bridge construction develop rapidly,and able to manufacture major equipment 10、in whole industry chain !川,垂d回国,时!;:圃.画画出应盟国ll!.i.ie.L.i:!?:?丽,国;:?.!i芋,:l:J!.IJH可,;1:,:1i 二:-,Xiongcheng 2th piling ship 雄程2号打桩船lm diameter,hundreds long and 600了可实现桩径7m,桩长超百米,桩重600t的钢管桩基础施打能力Rig of KTY5000 KTY500 0型钻机5m diameter,300m long in hard rock with 300Mpa strength.可实现120MPa硬岩,5m直径,300m长钻利漠11、浮桥前TZPMC30 floating crane 振华30号浮吊Lifting capacity is 12000t and hoisting height is 11 Om 起吊能力达到12000t,吊高达到110米,把日能有韶衬1finnt的扫盲Mi大到?n鸭山1前言c口施工装备大跨桥梁(Equipment-Long-span Bridge)跨度越大,起重能力要求越高Longer span and stronger lifting capacity Ii 111:卜?俨一九;I Deck crane I I Cable hoist I I Cable-crane 桥面吊机 缆载吊机 缆索12、吊机The Ii斤的capacityreaches I I I I Span is 1386m and lifting I I The lifting capacity reaches 900t I I 1 BOOt I I I I capacity reaches 300t 起吊能力达到goatI I 1前言c口施工设备快速施工Equipment-Accelerated bridge 各种技术、超盹位与快速施工!f!t!n I.,m p,。I sounc,凹H?旦旦1I 0.刷肉GECA,国晤,章”坷tC.TO S.I 占三 一、一、”庐一ELEVATION SCAL宦忱。”回响酣睡,咱In13、.惜,一 电曲臼回国 ,:5.CIIO且8LFU-NKINGOWER SCALE,外000SECTION AT CE旧工RALTOWER SCA.E-i:,000 豆豆i:.工IQ阻A工TYPICAL PIER SCAILE 1:000 电嗣晤雪,。因SECTION A-A SCALE 1:200、”。d趴Fll创州4,酬3SECTION B-B S二AL庭:2002大躇径桥梁、钢SSide sapn=378m:,111 j唾St町edl阳同:903m品臼,ul昂l l,I.l【P11丛I且Deck善博斯普鲁斯三桥斜拉悬索协作体系To恒t leng甜、2,主64町、Main span卫,40814、,n叫Suspended Part:792:m,I_ T1raJr1S忧豆。”240m Cleara们ceSb盟主l Deck 丸36缸”Sta归d Pat:903m三idespan=378m 叫2英标体系介绍桥面总宽59.0m企-;.,具,;.深申通道伶仔西航道桥斜拉悬索协作体系2英标体系介绍S杨洒港民江大桥主躇1700m900盹缆载吊机2000mpa超强平行钢丝索,2950m2英标体系介绍S【按Escifiltlt:屏模式】双屿门特大桥主躇1756m2英标体系介绍S南京仙新路边江通道主躇1760m以后膏望出现超2000m晤径的悬索桥2英标体系介绍S中塔方案比选为案三:Aff)二民:提土中培15、旦形上横梁人字形钢中培?当案二:为案一:Kff)上揭梁人字形钢中娼侧面唁I:)/;:.,:.击:I:/;I,.,.,.孟l祉叫.,.I 立面-t.侧面T剧团SE四是00主垦:L豆豆豆兰,-.E国-a要立面U提D吾;oEEE EE噩EEEM国侧面Em THEE g?5 主面 王D南RE【EFE 自三方案一作为中塔推荐方案。结论2英标体系介绍S超大跨径铁路悬索桥:五峰山长江大桥五峰山长江大桥的单列列车设计荷载35590kN,列车设计荷载集度为64kN/m,铁路运行速度达到250km/h,将超过目前世界上跨度最大的公铁两用悬索桥一日本濒户大桥中的南备赞大桥,成为世界上荷载和设计速度均为第一的公铁两用悬索桥。克服难题:悬索桥柔性大,铁路桥宽度小、横向刚度小,高铁对抗扭要求高等难题,主缆钢丝采用强度不小于2000Mpa的高强钢丝。03,第三部分新柑料,UHPC05,第五部分基础工程06,第六部分目前六局新技术2不落地施工钢平台设计研究1)桥梁及施工工艺概况桥梁总体近2000酶,全为全预制桥梁;文菜对环境保妒要求极富,全程不允许修建梅桥及便道。施工特点可以归结为:桩上打桩、梁上架梁;一一-YI.一Jr-两台履带吊在前面避行打桩施工,后面两台履带