文章來源：中國(guo)葛洲壩集(ji)團股份有限公司 發(fa)布(bu)時間(jian)：2009-05-04
五一前(qian)夕，葛洲壩(ba)集團二公司(si)承建的錦屏二級水(shui)電(dian)站地下廠房2號施工(gong)支洞比(bi)預定工(gong)期提前(qian)2天貫通。
錦屏二級(ji)水(shui)電站地(di)下廠房工(gong)(gong)(gong)(gong)程規(gui)模(mo)宏大(da)(da)，具(ju)有(you)洞(dong)(dong)室眾多、地(di)質條件差、布置緊湊、立(li)體交錯、工(gong)(gong)(gong)(gong)期緊等特點(dian)，施工(gong)(gong)(gong)(gong)技術復(fu)雜，施工(gong)(gong)(gong)(gong)難度世(shi)界罕見。總長527.38米的(de)(de)2號施工(gong)(gong)(gong)(gong)支洞(dong)(dong)是其(qi)中的(de)(de)重點(dian)項(xiang)目，直接制(zhi)約著后續高壓管道(dao)及豎(shu)井開(kai)挖支護的(de)(de)施工(gong)(gong)(gong)(gong)。為早日實現(xian)2號施工(gong)(gong)(gong)(gong)支洞(dong)(dong)的(de)(de)貫通，葛洲壩人(ren)克服地(di)質缺陷造成的(de)(de)洞(dong)(dong)內(nei)大(da)(da)量涌水(shui)、巖爆、掉塊等困(kun)難，通過制(zhi)定趕工(gong)(gong)(gong)(gong)措(cuo)施，加(jia)大(da)(da)設備、人(ren)員投入，加(jia)強施工(gong)(gong)(gong)(gong)的(de)(de)現(xian)場組織管理等措(cuo)施，確(que)保(bao)了2號施工(gong)(gong)(gong)(gong)支洞(dong)(dong)按期完工(gong)(gong)(gong)(gong)。