文章(zhang)來源：中(zhong)國葛洲壩集團公司 發布時間：2010-06-11
由葛(ge)洲壩(ba)集團(tuan)基礎(chu)公司承擔施工(gong)的四(si)川大渡(du)河瀘定(ding)水電站2號(hao)、3號(hao)泄洪洞出口圍堰懸掛(gua)式混凝土防滲墻工(gong)程于5月31日提前完工(gong)。
四川瀘定水電站位于大渡河瀘定縣城上游2-3公里處，裝機84萬千瓦。工程總投資669642萬元。此次進行施工的2、3號泄洪洞出口圍堰懸掛式混凝土防滲墻工程，施工圍堰軸線長約367米，平均墻深27米，墻厚80厘米，設計工程量為10080平方米，工期要求55天完成。
葛(ge)洲壩集團基(ji)礎公司(si)于3月(yue)底組(zu)織精(jing)兵強將及(ji)37臺套施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)設(she)備奔赴大渡河(he)瀘定水電站，投入(ru)該(gai)項目混凝(ning)土防滲墻施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)。該(gai)工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)于4月(yue)12日(ri)在(zai)220米(mi)軸線(xian)(xian)上(shang)先期(qi)開工(gong)(gong)(gong)(gong)(gong)，5月(yue)12日(ri)軸線(xian)(xian)全面施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)。因距大渡河(he)較(jiao)近，受(shou)大渡河(he)水位漲落頻繁影響，對(dui)造(zao)(zao)孔(kong)槽段坍塌產生了(le)(le)較(jiao)大的風險；為防止造(zao)(zao)孔(kong)槽段坍塌，搶工(gong)(gong)(gong)(gong)(gong)期(qi)、提高形象(xiang)進(jin)(jin)度(du)，施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)中，葛(ge)洲壩人克難攻堅，拼搏(bo)進(jin)(jin)取，精(jing)心組(zu)織施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，根據工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)地質(zhi)實(shi)際情(qing)況，在(zai)施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)藝上(shang)采用了(le)(le)“平打法”、“孔(kong)口(kou)回漿法”，強化了(le)(le)現場質(zhi)量、安全、文明施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)管理，使施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)效益(yi)大幅提高，推(tui)進(jin)(jin)了(le)(le)工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)的順(shun)利進(jin)(jin)行。
經(jing)過50天晝夜奮戰，比計(ji)劃工期提(ti)前了(le)5天完工，實現了(le)質(zhi)量、安全(quan)零(ling)事故目標，得到華電業(ye)主、中(zhong)南(nan)監理的高度贊譽。