文章(zhang)來源(yuan)：中國葛洲壩集團公司 發布時(shi)間：2009-09-27
截止9月底，由葛洲壩集團三峽實業公司承建的印尼阿薩漢（ASAHAN）電站引水隧洞工程施工質量進度和各項分包合同履約情況良好，無任何質量事故和質量缺陷。
目(mu)前，葛洲(zhou)壩人在此(ci)項(xiang)工(gong)(gong)程中分四(si)個作(zuo)業(ye)區(qu)(qu)全面展開施(shi)工(gong)(gong)，在受到外(wai)部干擾較(jiao)多的情(qing)況下，克難奮進(jin)(jin)，通(tong)過開展三工(gong)(gong)活動等(deng)一系(xi)列各項(xiang)安全管理工(gong)(gong)作(zuo)，有力(li)地促進(jin)(jin)了(le)(le)(le)文明施(shi)工(gong)(gong)。據(ju)悉(xi)， ASAHAN引(yin)水隧洞(dong) 1#施(shi)工(gong)(gong)區(qu)(qu)完(wan)(wan)成(cheng)(cheng)主洞(dong)洞(dong)挖(wa)及(ji)支護(hu)(hu)下游面137米(mi)(mi)、完(wan)(wan)成(cheng)(cheng)部分邊頂(ding)(ding)拱鋼筋綁扎(zha)和邊頂(ding)(ding)拱襯砌。2#施(shi)工(gong)(gong)區(qu)(qu)針對地質缺(que)陷(xian)等(deng)問題(ti)，通(tong)過灌漿和支護(hu)(hu)進(jin)(jin)行(xing)處(chu)理，采用(yong)“短進(jin)(jin)尺，勤支護(hu)(hu)”施(shi)工(gong)(gong)方(fang)法，較(jiao)好地完(wan)(wan)成(cheng)(cheng)了(le)(le)(le)2+上(shang)(shang)游面主洞(dong)工(gong)(gong)作(zuo)面43.8米(mi)(mi)洞(dong)挖(wa)和支護(hu)(hu)施(shi)工(gong)(gong)，完(wan)(wan)成(cheng)(cheng)2+下游面主洞(dong)工(gong)(gong)作(zuo)面42.4米(mi)(mi)洞(dong)挖(wa)和支護(hu)(hu)施(shi)工(gong)(gong)。3#施(shi)工(gong)(gong)區(qu)(qu)不僅完(wan)(wan)成(cheng)(cheng)了(le)(le)(le)3#施(shi)工(gong)(gong)支洞(dong)上(shang)(shang)游面底板砼澆(jiao)筑60+98.993 -60+57.125底板砼澆(jiao)筑﹑3倉邊頂(ding)(ding)拱鋼筋綁扎(zha)，而且完(wan)(wan)成(cheng)(cheng)了(le)(le)(le)壓力(li)鋼管鋼襯制作(zuo)200噸以及(ji)調壓井860～862高程混(hun)凝(ning)土澆(jiao)筑施(shi)工(gong)(gong)。同時，壓力(li)鋼管段也進(jin)(jin)入了(le)(le)(le)洞(dong)挖(wa)施(shi)工(gong)(gong)階段。 4#施(shi)工(gong)(gong)區(qu)(qu)骨料(liao)系(xi)統在完(wan)(wan)成(cheng)(cheng)了(le)(le)(le)防護(hu)(hu)維(wei)護(hu)(hu)的基礎(chu)上(shang)(shang)，已完(wan)(wan)成(cheng)(cheng)骨料(liao)生產(chan)2400m3，較(jiao)好滿足了(le)(le)(le)施(shi)工(gong)(gong)生產(chan)需求。