金华至温州铁路扩能改造工程JWSG-1标
跨金丽温高速公路1#特大桥下部
结构施工方案
编制： 复核： 审核：
中铁四局集团有限公司金温扩能改造工程第三项目经理部
二0一0年十一月
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目 录
1.编制说明 ·····················································································································1 1.1.编制依据 ................................................................................................................1 1.2.编制范围 ................................................................................................................1 2.工程概况 ·····················································································································1 2.1.线路概况 ................................................................................................................1 2.2.主要技术标准 ........................................................................................................2 3.施工总体目标 ············································································································4 3.1.工期目标 ................................................................................................................4 3.2.质量目标 ................................................................................................................4 3.3.安全目标 ................................................................................................................4 3.4.文明施工及环保、水保目标 ...............................................................................4 3.5.职业健康目标 ........................................................................................................4 4.施工方案实施机构组成 ····························································································5 4.1.施工组织机构 ........................................................................................................5 4.2.主要管理人员职责分工 ........................................................................................5 5.施工准备 ·····················································································································5 5.1.技术准备 ................................................................................................................5 5.2.临时便道 ................................................................................................................5 5.3.混凝土集中拌和站 ................................................................................................8 5.4.临时电力 ................................................................................................................8 5.5.临时给水干管 ........................................................................................................8 6.施工方案、方法、施工工艺流程 ···········································································8 6.1.基础施工 ................................................................................................................8 6.1.1扩大基础施工 .....................................................................................................8 6.1.2.桩基础施工 ..................................................................................................... 10 6.2.承台施工 ............................................................................................................. 21
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6.2.1.放坡开挖施工 ................................................................................................. 21 6.2.2.承台钢板桩围堰施工 ..................................................................................... 22 6.3.墩台身施工 ......................................................................................................... 26 6.3.1.墩身施工工艺流程 ......................................................................................... 26 6.3.2.墩身施工工艺 ................................................................................................. 26 7、资源配臵 ··············································································································· 33 7.1.工程材料设备采购供应方案 ............................................................................ 33 7.2.劳动力计划 ......................................................................................................... 34 7.3.施工用电计划 ..................................................................................................... 35 8.管理措施 ·················································································································· 35 8.1.标准化管理 ......................................................................................................... 35 8.2.质量管理措施 ..................................................................................................... 37 8.3.安全管理措施 ..................................................................................................... 41 8.3.1.基坑开挖安全措施 ......................................................................................... 41 8.3.2.钻孔灌注桩施工安全措施 ............................................................................ 41 8.3. 3.墩台施工安全措施 ....................................................................................... 42 8.3.4.施工现场安全用电措施 ................................................................................ 42 8.3.5.施工机械安全保证措施 ................................................................................ 43 8.3.6.高空作业的安全措施 ..................................................................................... 43 8.3.7.确保既有铁路安全措施 ................................................................................ 43 8.3.8.确保既有公路安全畅通措施 ........................................................................ 44 8.4.特殊季节的工期保证措施 ................................................................................ 44 8.4.1.雨季施工工期保证措施 ................................................................................ 44 8.4.2.夏季、台风季节施工工期保证措施 ............................................................ 45 8.4.3.夜间施工工期保证措施 ................................................................................ 45 8.5.文明施工措施 ..................................................................................................... 45 8.5.1.文明施工管理组织机构 ................................................................................ 45
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8.5.2.文明施工管理制度 ......................................................................................... 46 8.5.3.文明施工保证措施 ......................................................................................... 47 8.6.桥梁施工应急措施 ............................................................................................. 49 8.6.1.桥梁沉降控制及观测措施 ............................................................................ 49 8.6.2.加强安全工作、作好应急准备 .................................................................... 51 8.6.3.事故应急处理程序 ......................................................................................... 51 9.附件 ·························································································································· 52
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跨金丽温高速公路1#特大桥下部结构施工方案
1.编制说明 1.1.编制依据
⑴、跨金丽温高速公路1#特大桥施工图；
⑵、现场施工调查资料和金温扩能改造工程总体施工组织；
⑶、《客运专线铁路桥涵工程施工质量验收暂行标准》（铁建设[2005]160号）；
⑷、《铁路混凝土工程施工质量验收补充标准》（铁建设[2005]160号） ⑸、《铁路混凝土工程施工技术指南》（TZ210-2005）； ⑹、《客运专线铁路桥涵工程施工技术指南》（TZ213-2005）； ⑺、《铁路混凝土与砌体工程施工质量验收标准》（TB10424—2003）； ⑻、《施工现场临时用电安全技术规程》（JGJ46-2005）（建设部05年322号文）；
⑼、《铁路桥涵工程施工安全技术规程》（TB10303-2009）； ⑽、现行铁路施工、材料、机具设备等定额；
⑾、国家、铁道部、浙江省有关安全、环境保护、水土保持等方面的法律、法规、条例、规定。
1.2.编制范围
编制范围为跨金丽温高速公路1#特大桥79墩2台施工，桥起讫里程为DK11+561.90～DK14+355.47,中心里程为:DK12+958.685，全桥长2793.57m。
2.工程概况 2.1.线路概况
跨金丽温高速公路1#特大桥位于金华市金东区境内，主要为跨越330国道、八仙溪、金丽温高速公路以及多条乡村道路而设。桥址起讫里程为DK11+561.90～DK14+355.47全长2793.57m，本桥是金温线的重点控制工程之一。孔跨布臵：（48+80+48）m连续梁+（4-32m+2-24m+11-32m+2-24m +47-32m+1-24m+3-32m）简支箱梁+（60+100+60）m连续梁+4-32m简支箱梁。
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