【正文】 ........................................................................................34 吊裝設(shè)備選取 .............................................................................................36 吊裝前質(zhì)量檢查 .........................................................................................39 吊點(diǎn)位置的選擇 .........................................................................................40 吊車就位、安放吊具 .................................................................................41 起吊 .............................................................................................................42 鋼筋籠就位、安裝 .....................................................................................43 合肥軌道交通 1 號線一期工 程二標(biāo) 地下連續(xù)墻施工方案 中鐵四局集團(tuán)有限公司合肥軌道交通 1 號線二標(biāo)項(xiàng)目經(jīng)理部 3 施工要點(diǎn) .....................................................................................................43 接頭施工 ...................................................... 44 接頭材料及數(shù)量 ............................................................................................44 接頭具體施工方法 ........................................................................................45 水下混凝土灌注 ............................................... 46 砼配合比 ......................................................................................................46 導(dǎo)管安裝 ......................................................................................................46 水下混凝土灌注過程 ..................................................................................47 混凝土灌注施工技術(shù)要點(diǎn) ..........................................................................48 冠梁施工 ..................................................... 48 混凝土鑿除 ..................................................................................................49 土方開挖 ......................................................................................................49 鋼筋綁扎 ......................................................................................................49 支模 ..............................................................................................................49 混凝土澆灌 ..................................................................................................49 地下連續(xù)墻驗(yàn)收標(biāo)準(zhǔn) ........................................... 49 施工監(jiān)測 ..................................................... 50 第五章 本工程針對性技術(shù)措施 ........................................ 50 槽壁坍方預(yù)防措施 ................................................................................................50 成槽垂直度控制措施 ...........................................................................................51 地下連續(xù)墻滲漏水預(yù)防及處理措施 ...................................................................51 地下墻露筋現(xiàn)象的預(yù)防措施 ...............................................................................52 成槽漏漿現(xiàn)象的預(yù)防及處理措施 .......................................................................52 對于鋼筋籠無法下放到位的預(yù)防及處理措施 ...................................................53 對預(yù)埋件標(biāo)高控制措施 .......................................................................................53 第六章 試驗(yàn)檢測、手段及措施 ........................................ 53 對原材料檢測 .................................................. 53 對鋼筋焊 接檢測 ................................................ 54 混凝土施工檢測 ................................................ 54 商品混凝土檢測 .............................................................................................54 施工現(xiàn)場混凝土檢測 .....................................................................................54 第七章 質(zhì)量保證體系及措施 .......................................... 54 質(zhì)量目標(biāo) ...................................................... 54 質(zhì)量保證體系 .................................................. 55 質(zhì)量保證措施 .................................................. 55 施工管理保證措施 .........................................................................................55 人員組織與安排 .........................................................................................55 物資設(shè)備管理措施 .....................................................................................56 施工技術(shù)保證措施 ................................