文章來源:中國葛洲(zhou)壩集團公(gong)司 發布(bu)時間:2010-06-11
由葛洲壩集(ji)團基礎公司承擔施工(gong)的四(si)川(chuan)大渡河(he)瀘定水電(dian)站2號(hao)、3號(hao)泄洪洞出口圍堰懸(xuan)掛(gua)式混(hun)凝土防滲墻工(gong)程于5月31日提前(qian)完(wan)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(ji)團基礎(chu)公(gong)司(si)于3月(yue)底組織(zhi)精(jing)兵強將及37臺(tai)套(tao)施(shi)(shi)工(gong)(gong)設(she)備奔赴(fu)大渡(du)河(he)瀘(lu)定水電站,投(tou)入該項目混凝土防滲(shen)墻施(shi)(shi)工(gong)(gong)。該工(gong)(gong)程于4月(yue)12日(ri)在(zai)220米軸(zhou)線(xian)上(shang)先期(qi)(qi)開工(gong)(gong),5月(yue)12日(ri)軸(zhou)線(xian)全面施(shi)(shi)工(gong)(gong)。因距大渡(du)河(he)較近,受大渡(du)河(he)水位漲(zhang)落頻繁(fan)影(ying)響,對(dui)造(zao)孔槽(cao)段(duan)坍(tan)塌產生了(le)(le)較大的(de)風險;為防止造(zao)孔槽(cao)段(duan)坍(tan)塌,搶工(gong)(gong)期(qi)(qi)、提高形象進度,施(shi)(shi)工(gong)(gong)中,葛(ge)洲壩人克難(nan)攻堅,拼(pin)搏進取,精(jing)心組織(zhi)施(shi)(shi)工(gong)(gong),根據(ju)工(gong)(gong)程地(di)質實際(ji)情況,在(zai)施(shi)(shi)工(gong)(gong)工(gong)(gong)藝上(shang)采用了(le)(le)“平(ping)打法(fa)”、“孔口(kou)回漿(jiang)法(fa)”,強化了(le)(le)現場(chang)質量(liang)、安(an)全、文明施(shi)(shi)工(gong)(gong)管理,使施(shi)(shi)工(gong)(gong)效益大幅提高,推進了(le)(le)工(gong)(gong)程施(shi)(shi)工(gong)(gong)的(de)順利(li)進行。
經過(guo)50天晝夜(ye)奮戰,比計劃工(gong)期(qi)提前了(le)(le)5天完(wan)工(gong),實現了(le)(le)質量、安全零事故(gu)目標,得到華電(dian)業主(zhu)、中南監理的(de)高度贊譽。