渡口坝水电站大坝枢纽土建工程施工实施方案正式

渡口坝水电站大坝枢纽土建工程施工组织设计正式目录第一章工程概况......................................................................................................................................８1．1工程概况.............................................................................................................................................８1．2首要合同项目及工程量......................................................................................................................９1．3工期要求.............................................................................................................................................９1．4工程自然前提.................................................................................................................................１０1．5对社交通前提...............................................................................................................................１０1．6工程施工特点及采纳的施工法子....................................................................................................１０1.6.1工程施工特点..........................................................................................................................１０1.6.2施工法子.................................................................................................................................１１第二章施工平面总安插...............................................................................................................................１２安插原则...........................................................................................................................................１２施工打点及糊口营地........................................................................................................................１２场内施工交通安插............................................................................................................................１３碴场规划及打点...............................................................................................................................１３2.4.1碴场规划.................................................................................................................................１３2.4.2碴场的打点..............................................................................................................................１４仓储系统及施工工场........................................................................................................................１４2.5.1仓储系统....................................................................................................................................１４2.5.2施工工场....................................................................................................................................１４机修及泊车场...................................................................................................................................１５金结拼装场地...................................................................................................................................１５砂石骨料加工场及砼出产系统安插................................................................................................１５施工风、水、电系统安插................................................................................................................１６2.9.1施工供风....................................................................................................................................１６2.9.2施工供水....................................................................................................................................１６2.9.3施工供电....................................................................................................................................１６施工通信系统安插............................................................................................................................１８缆机安插...........................................................................................................................................１８第三章导流与施工排水施工声名..............................................................................................................１９概述...................................................................................................................................................１９水文气象形象...........................................................................................................................................１９施工导流...........................................................................................................................................１９3.3.1施工导流尺度..........................................................................................................................１９3.3.2导流体例.................................................................................................................................２０3.3.3施工导流节制性进度..............................................................................................................２０围堰形式及施工...............................................................................................................................２０3.4.1围堰形式.................................................................................................................................２０3.4.2截流工程...............................................................................................................................２１3.4.3上、下流土石围堰施工..........................................................................................................２１3.4.4防渗工程施工.............................…………...........２２基坑排水...........................................................................................................................................２４3.5.1基坑抽水.................................................................................................................................２４3.5.2基坑经常性排水......................................................................................................................２４3.5.3基坑排水安插..........................................................................................................................２４3.5.4基坑汛期过水后排水..............................................................................................................２４平安度汛...........................................................................................................................................２４3.6.1各年度汛前工程形象..............................................................................................................２５3.6.2防汛法子.................................................................................................................................２５导流底孔封堵...................................................................................................................................２６导流洞下闸封堵...............................................................................................................................２６3.8.1施工轨范.................................................................................................................................２６3.8.2施工进度打算..........................................................................................................................２６3.8.3导流洞进口下闸......................................................................................................................２６3.8.4导流洞堵头围堰修建..............................................................................................................２７3.8.5导流洞堵头混凝土浇筑..........................................................................................................２７围堰拆除及场地清理........................................................................................................................２７施工导流及水流节制施工首要机械设备......................................................................................２７第四章施工总进度打算..............................................................................................................................２９编制依据及原则...............................................................................................................................２９4.1.1编制依据.................................................................................................................................２９4.1.2编制原则.................................................................................................................................２９首要节制性工期...............................................................................................................................２９首要项目的施工进度放置................................................................................................................３０4.3.1施工筹备.................................................................................................................................３０4.3.2导流工程.................................................................................................................................３０4.3.3年夜坝工程.................................................................................................................................３０4.3.4水垫塘工程..............................................................................................................................３０4.3.5取水口工程..............................................................................................................................３０4.3.6引水隧洞工程..........................................................................................................................３０关头线路...........................................................................................................................................３０首要项目施工强度............................................................................................................................３１4.5.1土石方明挖..............................................................................................................................３１4.5.2砼浇筑.....................................................................................................................................３１进度保证法子...................................................................................................................................３１4.6.1组织方面.................................................................................................................................３１4.6.2手艺方面.................................................................................................................................３１4.6.3机械设备、材料方面..............................................................................................................３２4.6.4打算节制方面..........................................................................................................................３２4.6.5其他方面.................................................................................................................................３２第五章土石方工程.....................................................................................................................................３４首要施工项目和工程量....................................................................................................................３４5.1.1本合同工程项目名称及工作规模................................................３４5.1.2土石方明挖和支护首要工程量...............................................................................................３４

施工安插............................................................................................................................................３５

5.2.1供风.............................................................................................................................................３５

5.2.2供水.............................................................................................................................................３５

5.2.3供电.............................................................................................................................................３５

5.2.4出渣道路安插.............................................................................................................................３５

施工轨范..............................................................................................................................................３５

5.3.1开挖施工轨范..........................................................................................................................３５

5.3.2支护施工轨范..........................................................................................................................３５

爆破试验............................................................................................................................................３６

5.4.1爆破体例选择及参数简直定...................................................................................................３６

5.4.2试验施工体例..........................................................................................................................３７

5.4.3爆破振动不美观测..........................................................................................................................３７

5.4.4试验功效及剖析......................................................................................................................３７

一般土方及笼盖层开挖....................................................................................................................３７

5.5.1年夜坝的土方及笼盖层开挖.......................................................................................................３７

5.5.2水垫塘基本、取水口开挖.......................................................................................................３７

石方开挖............................................................................................................................................３８

5.6.1年夜坝石方开挖.............................................................................................................................３８

5.6.2水垫塘基本石方开挖.................................................................................................................３９

5.6.3取水口石方开挖.........................................................................................................................４０

5.6.4隧洞石方开挖.............................................................................................................................４０

主体工程土石方平衡........................................................................................................................４２

支护工程施工....................................................................................................................................４２

5.8.1概述..........................................................................................................................................４２

5.8.2高边坡支护施工轨范..............................................................................................................４２

5.8.3锚杆施工..................................................................................................................................４３

5.8.4喷混凝土施工..........................................................................................................................４４

5.8.5岩石预应力锚索......................................................................................................................４７

施工进度保证法子..............................................................................................................................５０

土石方明挖及支护工程施工质量节制要点..................................................................................５０

5.10.1土石方明挖施工质量节制.....................................................................................................５０

5.10.2支护施工质量节制法子.........................................................................................................５１

平安节制法子...................................................................................................................................５１

5.11.1爆破平安节制法子................................................................................................................５１

5.11.2支护施工平安节制法子.........................................................................................................５２

第六章灌浆工程..........................................................................................................................................５３

概述....................................................................................................................................................５３

6.1.1首要施工项目和工程量..........................................................................................................５３

6.1.2工程地质前提..........................................................................................................................５４

6.1.3工程特点与对策......................................................................................................................５４

施工轨范............................................................................................................................................５５

施工安插............................................................................................................................................５５

施工工艺与体例................................................................................................................................５５

6.4.1凝聚灌浆..................................................................................................................................５５

6.4.2帷幕灌浆施工..........................................................................................................................５６

6.4.3接缝灌浆..................................................................................................................................５７

6.4.3.1规模................................................................................................................................................５７

6.4.3.2灌浆前提........................................................................................................................................５７

6.4.3.3灌浆轨范........................................................................................................................................５７

6.4.3.4灌浆施工工艺轨范........................................................................................................................５７

6.4.3.5施工体例........................................................................................................................................５７

6.4.4隧洞灌浆..................................................................................................................................５８

6.4.5基本排水孔施工......................................................................................................................５９

现场灌浆试验....................................................................................................................................５９

6.5.1试验的施工体例......................................................................................................................６０

6.5.2灌浆压力的选定与试验..........................................................................................................６０

6.5.3抬动不美观测试验..........................................................................................................................６０

6.5.4灌浆试验施工..........................................................................................................................６０

6.5.5灌浆试验下场搜检与剖析.......................................................................................................６１

施工手艺法子和质量保证................................................................................................................６１

强度剖析与首要资本设置装备摆设................................................................................................................６１

6.7.1强度剖析..................................................................................................................................６１

6.7.2劳动组合..................................................................................................................................６２

6.7.3施工机械设备的选择..............................................................................................................６２

第七章砼工程..............................................................................................................................................６３

概述....................................................................................................................................................６３

7.1.1本合同工程项目名称及工作规模...........................................................................................６３

7.1.2混凝土施工的首要工程量.......................................................................................................６３

7.1.3施工特点..................................................................................................................................６４

原材料节制........................................................................................................................................６４

7.2.1水泥..........................................................................................................................................６４

7.2.2水..............................................................................................................................................６５

7.2.3砂石骨料..................................................................................................................................６５

7.2.4粉煤灰及HF抗冲耐磨材料.......................................................................................................６５

7.2.5外加剂......................................................................................................................................６５

7.2.6钢筋..........................................................................................................................................６５

砼出产系统........................................................................................................................................６６

7.3.1砂石骨料破碎、筛分系统.......................................................................................................６６

7.3.2砼拌和、制冷系统..................................................................................................................８５

7.3.3缆机系统..................................................................................................................................９５

施工强度剖析....................................................................................................................................９５

7.4.1年夜坝垂直入仓手段出产能力剖析...........................................................................................９５

7.4.2水垫塘工程垂直入仓手段出产能力剖析...............................................................................９５

7.4.3取水口、引水隧洞工程垂直入仓手段出产能力剖析...........................................................９５

7.4.4自卸汽车水平输送混凝土出产率剖析...................................................................................９６

7.4.5混凝土拌和楼出产能力剖析......................................................................................................９６

年夜坝混凝土施工................................................................................................................................９６

7.5.1施工特点..................................................................................................................................９６

7.5.2施工工艺..................................................................................................................................９６

7.5.3混凝土分层、分块..................................................................................................................９７

7.5.4模板工程..................................................................................................................................９７

7.5.4.1模板选型与加工............................................................................................................................９７

7.5.4.2模板施工........................................................................................................................................９７

7.5.5钢筋制安..................................................................................................................................９７

7.5.6预埋件埋设..............................................................................................................................９８

7.5.6.2冷却水管埋设................................................................................................................................９８

7.5.7坝体混凝土浇筑......................................................................................................................９９

7.5.7.1仓面规划........................................................................................................................................９９

7.5.7.3振捣................................................................................................................................................９９

7.5.7.5混凝土养护....................................................................................................................................９９

7.5.8溢流面施工..........................................................................................................................１００

7.5.9灌浆平洞衬砌及排水廊道混凝土施工...............................................................................１００

7.5.10二期混凝土施工................................................................................................................１００

水垫塘混凝土施工........................................................................................................................１０１

7.6.1概述......................................................................................................................................１０１

7.6.2施工安插..............................................................................................................................１０１

7.6.3水垫塘混凝土施工轨范......................................................................................................１０１

7.6.4水垫塘混凝土施工体例......................................................................................................１０１

取水口混凝土施工........................................................................................................................１０２

引水隧洞混凝土施工....................................................................................................................１０２

7.8.1概述......................................................................................................................................１０２

7.8.2施工方案及施工轨范..........................................................................................................１０２

7.8.3引水隧洞施工工艺流程......................................................................................................１０３

7.8.4引水隧洞施工体例...................................................................................