渡口壩水電站大壩樞紐土建工程施工實(shí)施方案正式

渡口壩水電站大壩樞紐土建工程施工組織設(shè)計(jì)正式目錄第一章工程概況......................................................................................................................................８1．1工程概況.............................................................................................................................................８1．2首要合同項(xiàng)目及工程量......................................................................................................................９1．3工期要求.............................................................................................................................................９1．4工程自然前提.................................................................................................................................１０1．5對(duì)社交通前提...............................................................................................................................１０1．6工程施工特點(diǎn)及采納的施工法子....................................................................................................１０1.6.1工程施工特點(diǎn)..........................................................................................................................１０1.6.2施工法子.................................................................................................................................１１第二章施工平面總安插...............................................................................................................................１２安插原則...........................................................................................................................................１２施工打點(diǎn)及糊口營(yíng)地........................................................................................................................１２場(chǎng)內(nèi)施工交通安插............................................................................................................................１３碴場(chǎng)規(guī)劃及打點(diǎn)...............................................................................................................................１３2.4.1碴場(chǎng)規(guī)劃.................................................................................................................................１３2.4.2碴場(chǎng)的打點(diǎn)..............................................................................................................................１４倉(cāng)儲(chǔ)系統(tǒng)及施工工場(chǎng)........................................................................................................................１４2.5.1倉(cāng)儲(chǔ)系統(tǒng)....................................................................................................................................１４2.5.2施工工場(chǎng)....................................................................................................................................１４機(jī)修及泊車(chē)場(chǎng)...................................................................................................................................１５金結(jié)拼裝場(chǎng)地...................................................................................................................................１５砂石骨料加工場(chǎng)及砼出產(chǎn)系統(tǒng)安插................................................................................................１５施工風(fēng)、水、電系統(tǒng)安插................................................................................................................１６2.9.1施工供風(fēng)....................................................................................................................................１６2.9.2施工供水....................................................................................................................................１６2.9.3施工供電....................................................................................................................................１６施工通信系統(tǒng)安插............................................................................................................................１８纜機(jī)安插...........................................................................................................................................１８第三章導(dǎo)流與施工排水施工聲名..............................................................................................................１９概述...................................................................................................................................................１９水文氣象形象...........................................................................................................................................１９施工導(dǎo)流...........................................................................................................................................１９3.3.1施工導(dǎo)流尺度..........................................................................................................................１９3.3.2導(dǎo)流體例.................................................................................................................................２０3.3.3施工導(dǎo)流節(jié)制性進(jìn)度..............................................................................................................２０圍堰形式及施工...............................................................................................................................２０3.4.1圍堰形式.................................................................................................................................２０3.4.2截流工程...............................................................................................................................２１3.4.3上、下流土石圍堰施工..........................................................................................................２１3.4.4防滲工程施工.............................…………...........２２基坑排水...........................................................................................................................................２４3.5.1基坑抽水.................................................................................................................................２４3.5.2基坑經(jīng)常性排水......................................................................................................................２４3.5.3基坑排水安插..........................................................................................................................２４3.5.4基坑汛期過(guò)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導(dǎo)流底孔封堵...................................................................................................................................２６導(dǎo)流洞下閘封堵...............................................................................................................................２６3.8.1施工軌范.................................................................................................................................２６3.8.2施工進(jìn)度打算..........................................................................................................................２６3.8.3導(dǎo)流洞進(jìn)口下閘......................................................................................................................２６3.8.4導(dǎo)流洞堵頭圍堰修建..............................................................................................................２７3.8.5導(dǎo)流洞堵頭混凝土澆筑..........................................................................................................２７圍堰拆除及場(chǎng)地清理........................................................................................................................２７施工導(dǎo)流及水流節(jié)制施工首要機(jī)械設(shè)備......................................................................................２７第四章施工總進(jìn)度打算..............................................................................................................................２９編制依據(jù)及原則...............................................................................................................................２９4.1.1編制依據(jù).................................................................................................................................２９4.1.2編制原則.................................................................................................................................２９首要節(jié)制性工期...............................................................................................................................２９首要項(xiàng)目的施工進(jìn)度放置................................................................................................................３０4.3.1施工籌備.................................................................................................................................３０4.3.2導(dǎo)流工程.................................................................................................................................３０4.3.3年夜壩工程.................................................................................................................................３０4.3.4水墊塘工程..............................................................................................................................３０4.3.5取水口工程..............................................................................................................................３０4.3.6引水隧洞工程..........................................................................................................................３０關(guān)頭線路...........................................................................................................................................３０首要項(xiàng)目施工強(qiáng)度............................................................................................................................３１4.5.1土石方明挖..............................................................................................................................３１4.5.2砼澆筑.....................................................................................................................................３１進(jìn)度保證法子...................................................................................................................................３１4.6.1組織方面.................................................................................................................................３１4.6.2手藝方面.................................................................................................................................３１4.6.3機(jī)械設(shè)備、材料方面..............................................................................................................３２4.6.4打算節(jié)制方面..........................................................................................................................３２4.6.5其他方面.................................................................................................................................３２第五章土石方工程.....................................................................................................................................３４首要施工項(xiàng)目和工程量....................................................................................................................３４5.1.1本合同工程項(xiàng)目名稱(chēng)及工作規(guī)模................................................３４5.1.2土石方明挖和支護(hù)首要工程量...............................................................................................３４

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

5.2.1供風(fēng).............................................................................................................................................３５

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

5.2.3供電.............................................................................................................................................３５

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

施工軌范..............................................................................................................................................３５

5.3.1開(kāi)挖施工軌范..........................................................................................................................３５

5.3.2支護(hù)施工軌范..........................................................................................................................３５

爆破試驗(yàn)............................................................................................................................................３６

5.4.1爆破體例選擇及參數(shù)簡(jiǎn)直定...................................................................................................３６

5.4.2試驗(yàn)施工體例..........................................................................................................................３７

5.4.3爆破振動(dòng)不美觀測(cè)..........................................................................................................................３７

5.4.4試驗(yàn)功效及剖析......................................................................................................................３７

一般土方及籠蓋層開(kāi)挖....................................................................................................................３７

5.5.1年夜壩的土方及籠蓋層開(kāi)挖.......................................................................................................３７

5.5.2水墊塘基本、取水口開(kāi)挖.......................................................................................................３７

石方開(kāi)挖............................................................................................................................................３８

5.6.1年夜壩石方開(kāi)挖.............................................................................................................................３８

5.6.2水墊塘基本石方開(kāi)挖.................................................................................................................３９

5.6.3取水口石方開(kāi)挖.........................................................................................................................４０

5.6.4隧洞石方開(kāi)挖.............................................................................................................................４０

主體工程土石方平衡........................................................................................................................４２

支護(hù)工程施工....................................................................................................................................４２

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

5.8.2高邊坡支護(hù)施工軌范..............................................................................................................４２

5.8.3錨桿施工..................................................................................................................................４３

5.8.4噴混凝土施工..........................................................................................................................４４

5.8.5巖石預(yù)應(yīng)力錨索......................................................................................................................４７

施工進(jìn)度保證法子..............................................................................................................................５０

土石方明挖及支護(hù)工程施工質(zhì)量節(jié)制要點(diǎn)..................................................................................５０

5.10.1土石方明挖施工質(zhì)量節(jié)制.....................................................................................................５０

5.10.2支護(hù)施工質(zhì)量節(jié)制法子.........................................................................................................５１

平安節(jié)制法子...................................................................................................................................５１

5.11.1爆破平安節(jié)制法子................................................................................................................５１

5.11.2支護(hù)施工平安節(jié)制法子.........................................................................................................５２

第六章灌漿工程..........................................................................................................................................５３

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

6.1.1首要施工項(xiàng)目和工程量..........................................................................................................５３

6.1.2工程地質(zhì)前提..........................................................................................................................５４

6.1.3工程特點(diǎn)與對(duì)策......................................................................................................................５４

施工軌范............................................................................................................................................５５

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

施工工藝與體例................................................................................................................................５５

6.4.1凝聚灌漿..................................................................................................................................５５

6.4.2帷幕灌漿施工..........................................................................................................................５６

6.4.3接縫灌漿..................................................................................................................................５７

6.4.3.1規(guī)模................................................................................................................................................５７

6.4.3.2灌漿前提........................................................................................................................................５７

6.4.3.3灌漿軌范........................................................................................................................................５７

6.4.3.4灌漿施工工藝軌范........................................................................................................................５７

6.4.3.5施工體例........................................................................................................................................５７

6.4.4隧洞灌漿..................................................................................................................................５８

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

現(xiàn)場(chǎng)灌漿試驗(yàn)....................................................................................................................................５９

6.5.1試驗(yàn)的施工體例......................................................................................................................６０

6.5.2灌漿壓力的選定與試驗(yàn)..........................................................................................................６０

6.5.3抬動(dòng)不美觀測(cè)試驗(yàn)..........................................................................................................................６０

6.5.4灌漿試驗(yàn)施工..........................................................................................................................６０

6.5.5灌漿試驗(yàn)下場(chǎng)搜檢與剖析.......................................................................................................６１

施工手藝法子和質(zhì)量保證................................................................................................................６１

強(qiáng)度剖析與首要資本設(shè)置裝備擺設(shè)................................................................................................................６１

6.7.1強(qiáng)度剖析..................................................................................................................................６１

6.7.2勞動(dòng)組合..................................................................................................................................６２

6.7.3施工機(jī)械設(shè)備的選擇..............................................................................................................６２

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

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

7.1.1本合同工程項(xiàng)目名稱(chēng)及工作規(guī)模...........................................................................................６３

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

7.1.3施工特點(diǎn)..................................................................................................................................６４

原材料節(jié)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抗沖耐磨材料.......................................................................................................６５

7.2.5外加劑......................................................................................................................................６５

7.2.6鋼筋..........................................................................................................................................６５

砼出產(chǎn)系統(tǒng)........................................................................................................................................６６

7.3.1砂石骨料破碎、篩分系統(tǒng).......................................................................................................６６

7.3.2砼拌和、制冷系統(tǒng)..................................................................................................................８５

7.3.3纜機(jī)系統(tǒng)..................................................................................................................................９５

施工強(qiáng)度剖析....................................................................................................................................９５

7.4.1年夜壩垂直入倉(cāng)手段出產(chǎn)能力剖析...........................................................................................９５

7.4.2水墊塘工程垂直入倉(cāng)手段出產(chǎn)能力剖析...............................................................................９５

7.4.3取水口、引水隧洞工程垂直入倉(cāng)手段出產(chǎn)能力剖析...........................................................９５

7.4.4自卸汽車(chē)水平輸送混凝土出產(chǎn)率剖析...................................................................................９６

7.4.5混凝土拌和樓出產(chǎn)能力剖析......................................................................................................９６

年夜壩混凝土施工................................................................................................................................９６

7.5.1施工特點(diǎn)..................................................................................................................................９６

7.5.2施工工藝..................................................................................................................................９６

7.5.3混凝土分層、分塊..................................................................................................................９７

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

7.5.4.1模板選型與加工............................................................................................................................９７

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

7.5.5鋼筋制安..................................................................................................................................９７

7.5.6預(yù)埋件埋設(shè)..............................................................................................................................９８

7.5.6.2冷卻水管埋設(shè)................................................................................................................................９８

7.5.7壩體混凝土澆筑......................................................................................................................９９

7.5.7.1倉(cāng)面規(guī)劃........................................................................................................................................９９

7.5.7.3振搗................................................................................................................................................９９

7.5.7.5混凝土養(yǎng)護(hù)....................................................................................................................................９９

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

7.5.9灌漿平洞襯砌及排水廊道混凝土施工...............................................................................１００

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

水墊塘混凝土施工........................................................................................................................１０１

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

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

7.6.3水墊塘混凝土施工軌范......................................................................................................１０１

7.6.4水墊塘混凝土施工體例......................................................................................................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施工方案及施工軌范..........................................................................................................１０２

7.8.3引水隧洞施工工藝流程......................................................................................................１０３

7.8.4引水隧洞施工體例...................................................................................