文章來源：中國(guo)葛洲壩集團公司 發布時間：2010-06-11
由葛洲(zhou)壩集(ji)團基礎(chu)公司(si)承(cheng)擔施工(gong)的(de)四川大渡河瀘定水電站2號、3號泄洪洞出口圍堰懸掛式混(hun)凝土(tu)防滲墻工(gong)程于5月(yue)31日提(ti)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。
葛洲(zhou)壩集團基礎公司(si)于3月(yue)底(di)組織精兵強(qiang)將及37臺套施(shi)(shi)(shi)工(gong)(gong)(gong)設備奔赴大渡(du)(du)河瀘(lu)定水電站(zhan)，投(tou)入該(gai)項目混凝(ning)土防滲(shen)墻施(shi)(shi)(shi)工(gong)(gong)(gong)。該(gai)工(gong)(gong)(gong)程(cheng)于4月(yue)12日(ri)在(zai)220米軸(zhou)線上(shang)先期(qi)開工(gong)(gong)(gong)，5月(yue)12日(ri)軸(zhou)線全面施(shi)(shi)(shi)工(gong)(gong)(gong)。因距大渡(du)(du)河較(jiao)近，受大渡(du)(du)河水位漲落頻繁影響，對造(zao)孔(kong)槽(cao)段(duan)坍(tan)塌(ta)產生了(le)(le)較(jiao)大的風(feng)險；為防止(zhi)造(zao)孔(kong)槽(cao)段(duan)坍(tan)塌(ta)，搶工(gong)(gong)(gong)期(qi)、提高形象進(jin)度，施(shi)(shi)(shi)工(gong)(gong)(gong)中，葛洲(zhou)壩人克難攻(gong)堅，拼搏進(jin)取，精心組織施(shi)(shi)(shi)工(gong)(gong)(gong)，根據工(gong)(gong)(gong)程(cheng)地(di)質實際情況，在(zai)施(shi)(shi)(shi)工(gong)(gong)(gong)工(gong)(gong)(gong)藝上(shang)采用了(le)(le)“平打法”、“孔(kong)口回漿法”，強(qiang)化了(le)(le)現場質量(liang)、安(an)全、文明施(shi)(shi)(shi)工(gong)(gong)(gong)管理，使(shi)施(shi)(shi)(shi)工(gong)(gong)(gong)效益大幅提高，推進(jin)了(le)(le)工(gong)(gong)(gong)程(cheng)施(shi)(shi)(shi)工(gong)(gong)(gong)的順利進(jin)行。
經(jing)過50天晝(zhou)夜奮戰(zhan)，比計劃工(gong)期提前了5天完工(gong)，實(shi)現了質量、安全零事(shi)故(gu)目標(biao)，得到華電業主、中(zhong)南監理的高度贊譽。