【正文】 ...........................................18一、土石方開挖 ....................................................................................................................................18㈠、一般土石方開挖 ........................................................................................................................19明挖土石方 ..................................................................................................................................19 施工程序 ......................................................................................................................................19 施工方法 ......................................................................................................................................19 邊坡臨時支護與保護 .................................................................................................................20二、輸水涵洞改造施工 ........................................................................................................................2059 / 101三、土方填筑 ........................................................................................................................................22四、砌石工程 ........................................................................................................................................24五、砼工程 ............................................................................................................................................27五、帷幕灌漿 ........................................................................................................................................33按監(jiān)理批復的設計文件放線布孔，壩土鉆孔采反循環(huán)干法造孔或小水量鉆進，自上而下鉆孔灌漿，套管分段止水、段長 5 米，灌漿前注水及灌后注水試驗求 q 值，壩土及殘坡積層灌漿采用粘土水泥混合漿，水泥粘土配合比為 1：3，壩體與壩基接觸帶采用水泥粘土配合比1：1（重量比） 。灌漿結(jié)束后，基巖采用 :1 純水泥濃漿進行壓力灌漿封孔；壩土灌漿結(jié)束采用水泥粘土配合比 1：3 濃漿置換法封孔。純壓式劈裂灌漿施工工藝見圖 5—2。 ................................................................................................................................................42⑶灌漿開開始先用稀漿，經(jīng)過 3—5MIN 加大泥漿稀度，若孔口壓力下降和注漿管出現(xiàn)負壓，視情況加大漿液稠度或減小進漿量。 ................................................................................................................................................421待凝 ....................................................................................................................................................4360 / 101根據(jù)生產(chǎn)性灌漿試驗，采用套管止水止?jié){可不待凝或待凝，若待凝則待凝時間由監(jiān)理人審批后執(zhí)行。 ..........................................43⑵壩體灌漿結(jié)束標準采用綜合控制法，當在設計壓力下不吃漿，當注入率不大于 ，繼續(xù)灌注 60MIN，或不大于 1L/MIN，繼續(xù)灌注 90MIN，灌漿即可結(jié)束；當發(fā)生冒漿和裂縫冒漿，漿液升至井口，復灌 34 次不在吃漿即可結(jié)束灌漿。蝶閥的把手（或齒輪箱）是可以反轉(zhuǎn)或正轉(zhuǎn) 180 度操作。其安裝步驟： ........................................................52（1）將管路上的法蘭精確的對正螺絲孔位置及想要的閥門位置。管路法蘭必須平行對正并且必須預留空系使閥門能放入。 ..............53七、砼預制塊護坡施工方法 ................................................................................................................53八、草皮護坡施工措施 ........................................................................................................................55九、壩頂路面施工 ................................................................................................................................55十、房屋建筑工程 ................................................................................................................................57第六章 質(zhì)量管理體系與措施 ..................................................................................................................58一、做好各專業(yè)的準備工作： ............................................................................................................58二、質(zhì)量保證體系 ................................................................................................................................58三、質(zhì)量保證措施 ................................................................................................................................59第七章 安全管理體系與措施 ..................................................................................................................63一、組織管理措施 ................................................................................................................................6361 / 101二、工作職責 ........................................................................................................................................65三、全技術措施 ....................................................................................................................................65四、施工現(xiàn)場臨時用電安全管理 ........................................................................................................70五、分項工程安全防護措施 ................................................................................................................71六、防洪度汛方案 ................................................................................................................................73第八章 文明施工及環(huán)境保護施工措施 ..................................................................................................74一、環(huán)境保護措施和辦法 ....................................................................................................................74二、文明施工措施 ................................................................................................................................77第十章 冬雨季施工措施 ..........................................................................................................................79一、組織體系 ........................................................................................................................................79二、思想體系 ........................................................................................................................................79三、控制體系 ........................................................................................................................................79四、冬雨期施工措施 ............................................................................................................................79五、冬雨期施工防范措施 .........................................................................