文章來(lai)源(yuan)：中(zhong)國葛洲壩集團公司(si) 發(fa)布時(shi)間：2010-02-06
1月中旬，由(you)葛洲壩(ba)集團(tuan)一公司承建(jian)的尼泊(bo)爾(er)查莫里亞水電站通(tong)風(feng)洞順利(li)貫通(tong)，成功(gong)轉入調壓(ya)井頂拱開挖(wa)施工階段。
查(cha)(cha)莫(mo)里亞(ya)水(shui)(shui)電站(zhan)(zhan)是近(jin)5年(nian)來(lai)中國(guo)公(gong)(gong)司在尼泊(bo)爾(er)承(cheng)建的(de)最(zui)大的(de)水(shui)(shui)電工(gong)(gong)(gong)程，建成后將解決尼泊(bo)爾(er)西(xi)部(bu)邊(bian)遠地(di)區(qu)供電緊(jin)張狀況，同(tong)(tong)時可向(xiang)印度(du)國(guo)家電網供應(ying)電力，促進(jin)當地(di)社會經(jing)濟發展。電站(zhan)(zhan)位(wei)于尼泊(bo)爾(er)西(xi)部(bu)喜(xi)馬拉雅山地(di)區(qu)的(de)查(cha)(cha)莫(mo)里亞(ya)河上(shang)，靠近(jin)中尼邊(bian)境(jing)的(de)西(xi)藏(zang)地(di)區(qu)，設計壩(ba)高和(he)壩(ba)長分(fen)別為(wei)54m和(he)88m，總裝機容量為(wei)3萬KW，由尼泊(bo)爾(er)政(zheng)府投資興建，葛洲壩(ba)集(ji)團一公(gong)(gong)司施工(gong)(gong)(gong)總承(cheng)包。查(cha)(cha)莫(mo)里亞(ya)水(shui)(shui)電站(zhan)(zhan)通風(feng)(feng)洞工(gong)(gong)(gong)程長152米，城門型結(jie)構，合同(tong)(tong)開挖總方量為(wei)1242立方米。因該工(gong)(gong)(gong)程地(di)處斷(duan)層褶(zhe)皺巖(yan)地(di)帶(dai)，巖(yan)石(shi)破碎(sui)嚴(yan)重，施工(gong)(gong)(gong)難(nan)度(du)較大。葛洲壩(ba)集(ji)團一公(gong)(gong)司查(cha)(cha)莫(mo)里亞(ya)項(xiang)目部(bu)根據巖(yan)石(shi)特性(xing)，采取人(ren)工(gong)(gong)(gong)挖掘、“短進(jin)尺(chi)、弱爆破、強支護”相(xiang)結(jie)合的(de)方法作(zuo)業，經(jing)過210天(tian)的(de)艱苦奮(fen)戰，終(zhong)于實現了通風(feng)(feng)洞貫通的(de)既(ji)定目標。