文章來源：中國長(chang)江三峽(xia)集團公司 發布時間(jian)：2012-11-16
11月15日下午17時，向家壩右岸地下廠房4 號機組土建提前15天二次交面儀式在地下廠房舉行。這標志由向家壩水電站右岸地下廠房土建工作全部完成，右岸地下廠房全面進入機組本體安裝階段，為明年首批機組投產發電打下堅實基礎。
據悉，向家(jia)壩(ba)水(shui)(shui)電(dian)(dian)(dian)站作為(wei)繼三峽水(shui)(shui)利樞紐、溪(xi)洛(luo)渡水(shui)(shui)電(dian)(dian)(dian)站后國內第三大水(shui)(shui)電(dian)(dian)(dian)站，是(shi)國家(jia)十二五規劃重點(dian)工(gong)(gong)程項目(mu)和西部大開發(fa)、西電(dian)(dian)(dian)東(dong)送標志(zhi)性工(gong)(gong)程。地下廠(chang)房四臺機組(zu)(zu)作為(wei)右岸引(yin)水(shui)(shui)發(fa)電(dian)(dian)(dian)系統(tong)核心部位，是(shi)整個電(dian)(dian)(dian)站的施(shi)工(gong)(gong)重點(dian)和難點(dian)。水(shui)(shui)電(dian)(dian)(dian)七局克(ke)服(fu)開挖尺寸大、工(gong)(gong)程地質條件(jian)(jian)復雜、立體交(jiao)叉洞(dong)(dong)室多、施(shi)工(gong)(gong)難度大、工(gong)(gong)期緊迫(po)、施(shi)工(gong)(gong)干擾(rao)強等困難，科(ke)學(xue)施(shi)工(gong)(gong)，合理組(zu)(zu)織，歷時(shi)63個月，實現了地下廠(chang)房節點(dian)目(mu)標。并取得了復雜地質條件(jian)(jian)下超大型地下洞(dong)(dong)室群快(kuai)速施(shi)工(gong)(gong)技(ji)術、巖壁梁精(jing)細爆刻施(shi)工(gong)(gong)技(ji)術等多項國內外領先科(ke)技(ji)成果。