文(wen)章來源：中國葛洲壩集團公司 發布時間(jian)：2009-09-24
9月18日下(xia)午(wu)，向(xiang)家壩(ba)水(shui)電(dian)站沖砂(sha)孔(kong)壩(ba)段丙塊(kuai)混凝土順利澆筑，標(biao)志著電(dian)站左岸大壩(ba)6個導流(liu)底(di)(di)孔(kong)全部達到進水(shui)口底(di)(di)板高(gao)程，為向(xiang)家壩(ba)工(gong)程年底(di)(di)截流(liu)目標(biao)的(de)實現打下(xia)了良好的(de)基(ji)礎。
據(ju)了解，這(zhe)6個(ge)導流底(di)(di)孔(kong)(kong)分別(bie)布置(zhi)在向(xiang)家壩(ba)水電站(zhan)左非壩(ba)段及(ji)沖(chong)砂孔(kong)(kong)壩(ba)段內，每個(ge)導流底(di)(di)孔(kong)(kong)寬10米(mi)，高14米(mi)。其中1號(hao)至(zhi)4號(hao)導流底(di)(di)孔(kong)(kong)孔(kong)(kong)長(chang)152.5米(mi)，5號(hao)和(he)6號(hao)導流底(di)(di)孔(kong)(kong)孔(kong)(kong)長(chang)220.45米(mi)。工(gong)程量大，結構(gou)復雜(za)，質量要求高，施(shi)(shi)工(gong)難度(du)大。承擔施(shi)(shi)工(gong)的(de)葛洲壩(ba)集團向(xiang)家壩(ba)施(shi)(shi)工(gong)局混凝土項目(mu)部，科學配置(zhi)資源，認真編制施(shi)(shi)工(gong)技術(shu)指導書，組織施(shi)(shi)工(gong)人員(yuan)進(jin)行嚴格的(de)培訓(xun)，確保了工(gong)程順利推進(jin)。