文章來(lai)源：中(zhong)國葛洲壩集團股份有限公司 發(fa)布時間：2009-05-04
五一前(qian)(qian)夕(xi)，葛洲壩集團二公司承建的(de)錦屏二級水電(dian)站地(di)下廠房2號施工支洞比預定(ding)工期(qi)提前(qian)(qian)2天貫通(tong)。
錦(jin)屏(ping)二級水(shui)電(dian)站(zhan)地(di)下廠房工(gong)(gong)(gong)程規模宏大，具有洞(dong)室眾(zhong)多、地(di)質(zhi)條(tiao)件差、布置緊湊、立體交錯、工(gong)(gong)(gong)期緊等特(te)點，施(shi)(shi)(shi)工(gong)(gong)(gong)技術復(fu)雜，施(shi)(shi)(shi)工(gong)(gong)(gong)難度世界罕見(jian)。總長527.38米的(de)2號(hao)施(shi)(shi)(shi)工(gong)(gong)(gong)支洞(dong)是其中的(de)重點項(xiang)目，直(zhi)接制約著后續高(gao)壓管道(dao)及豎井開挖(wa)支護(hu)的(de)施(shi)(shi)(shi)工(gong)(gong)(gong)。為早日實現(xian)2號(hao)施(shi)(shi)(shi)工(gong)(gong)(gong)支洞(dong)的(de)貫通(tong)，葛(ge)洲壩人克服(fu)地(di)質(zhi)缺陷造成(cheng)的(de)洞(dong)內大量(liang)涌水(shui)、巖爆、掉塊等困(kun)難，通(tong)過制定趕工(gong)(gong)(gong)措(cuo)施(shi)(shi)(shi)，加大設備、人員投(tou)入，加強施(shi)(shi)(shi)工(gong)(gong)(gong)的(de)現(xian)場組(zu)織(zhi)管理等措(cuo)施(shi)(shi)(shi)，確保(bao)了2號(hao)施(shi)(shi)(shi)工(gong)(gong)(gong)支洞(dong)按期完(wan)工(gong)(gong)(gong)。