文章來源：中國(guo)水利(li)水電建設集團公(gong)司(si) 發布時間：2008-10-25
10月(yue)20日，糯(nuo)扎渡(du)電站1#、2#導流(liu)洞進出口圍堰(yan)一次爆破拆除成功，順(shun)利實(shi)現(xian)(xian)分流(liu)過水，為(wei)10月(yue)28大江(jiang)截流(liu)目(mu)(mu)標的順(shun)利實(shi)現(xian)(xian)和電站提前兩年發電宏(hong)偉目(mu)(mu)標的順(shun)利實(shi)現(xian)(xian)打下了最為(wei)堅(jian)實(shi)的基礎。
糯(nuo)扎渡水(shui)電(dian)(dian)(dian)(dian)站(zhan)工(gong)(gong)程屬大（1）型一(yi)等工(gong)(gong)程，永久性(xing)主要水(shui)工(gong)(gong)建(jian)(jian)筑(zhu)物(wu)為一(yi)級建(jian)(jian)筑(zhu)物(wu)。工(gong)(gong)程以發電(dian)(dian)(dian)(dian)為主兼有防洪(hong)、灌(guan)溉、養殖和旅游(you)(you)等綜合利用(yong)效益，水(shui)庫(ku)具有多年(nian)調節性(xing)能。該工(gong)(gong)程由心墻堆石(shi)壩、左(zuo)岸溢洪(hong)道、左(zuo)、右岸泄洪(hong)隧洞、左(zuo)岸地(di)下式引水(shui)發電(dian)(dian)(dian)(dian)系(xi)統及(ji)導(dao)流(liu)工(gong)(gong)程等建(jian)(jian)筑(zhu)物(wu)組成。電(dian)(dian)(dian)(dian)站(zhan)位(wei)于(yu)云南省普洱(er)市境(jing)內(nei)，是瀾滄江中下游(you)(you)河段八個(ge)梯(ti)級規劃的第五(wu)級，電(dian)(dian)(dian)(dian)站(zhan)裝(zhuang)機容(rong)量為585萬千瓦，水(shui)庫(ku)庫(ku)容(rong)237.03×108m3。電(dian)(dian)(dian)(dian)站(zhan)擬定里(li)程碑工(gong)(gong)期為：2006年(nian)1月導(dao)流(liu)隧洞主洞開(kai)工(gong)(gong)，2007年(nian)11月大江截流(liu)，2008年(nian)8月壩體開(kai)始填筑(zhu)，2013年(nian)7月底首批機組投產發電(dian)(dian)(dian)(dian)，2016年(nian)6月工(gong)(gong)程竣工(gong)(gong)。
糯扎渡1#、2#導流(liu)(liu)(liu)洞(dong)(dong)(dong)，設計(ji)長度(du)分別(bie)為1067米和1142米，斷(duan)面(mian)類(lei)型為城門(men)洞(dong)(dong)(dong)型，完成(cheng)(cheng)混(hun)(hun)凝土澆(jiao)(jiao)筑(zhu)后(hou)(hou)的(de)(de)(de)(de)(de)導流(liu)(liu)(liu)洞(dong)(dong)(dong)高(gao)為21米，寬16米，是目前世界上同類(lei)型電(dian)(dian)(dian)站中(zhong)(zhong)斷(duan)面(mian)規模最(zui)大(da)(da)的(de)(de)(de)(de)(de)導流(liu)(liu)(liu)洞(dong)(dong)(dong)之一(yi)(yi)。工(gong)程于去年(nian)1月份開(kai)工(gong)，承擔施(shi)(shi)工(gong)任務(wu)(wu)的(de)(de)(de)(de)(de)中(zhong)(zhong)國水電(dian)(dian)(dian)建設集團水電(dian)(dian)(dian)十四局經過(guo)近兩(liang)年(nian)的(de)(de)(de)(de)(de)不(bu)間斷(duan)施(shi)(shi)工(gong)，克服了(le)工(gong)期緊(jin)、任務(wu)(wu)重、地質條(tiao)件復雜(za)多變等不(bu)利客(ke)觀因(yin)素，以(yi)進(jin)(jin)度(du)為中(zhong)(zhong)心(xin)，以(yi)質量為保證，先后(hou)(hou)完成(cheng)(cheng)了(le)進(jin)(jin)出(chu)口邊坡的(de)(de)(de)(de)(de)開(kai)挖支(zhi)護(hu)，導流(liu)(liu)(liu)洞(dong)(dong)(dong)洞(dong)(dong)(dong)身(shen)段的(de)(de)(de)(de)(de)開(kai)挖支(zhi)護(hu)，進(jin)(jin)出(chu)口和洞(dong)(dong)(dong)身(shen)段混(hun)(hun)凝土的(de)(de)(de)(de)(de)澆(jiao)(jiao)筑(zhu)，以(yi)及(ji)后(hou)(hou)續(xu)的(de)(de)(de)(de)(de)灌漿工(gong)程，于今(jin)年(nian)9月底(di)完成(cheng)(cheng)全部施(shi)(shi)工(gong)任務(wu)(wu)并順利通過(guo)了(le)導流(liu)(liu)(liu)洞(dong)(dong)(dong)驗(yan)收(shou)專家組的(de)(de)(de)(de)(de)驗(yan)收(shou)，具備分流(liu)(liu)(liu)過(guo)水條(tiao)件。施(shi)(shi)工(gong)過(guo)程中(zhong)(zhong)，先后(hou)(hou)圓滿完成(cheng)(cheng)了(le)“導流(liu)(liu)(liu)洞(dong)(dong)(dong)洞(dong)(dong)(dong)身(shen)段F3、F9等不(bu)良地質斷(duan)層的(de)(de)(de)(de)(de)穿越”、“導流(liu)(liu)(liu)洞(dong)(dong)(dong)進(jin)(jin)出(chu)口大(da)(da)跨度(du)漸變段施(shi)(shi)工(gong)”、“進(jin)(jin)出(chu)口高(gao)邊坡快(kuai)速施(shi)(shi)工(gong)”、“進(jin)(jin)出(chu)口大(da)(da)方量土石(shi)圍堰填筑(zhu)及(ji)拆除”等一(yi)(yi)系(xi)列(lie)具有較高(gao)科研價值(zhi)和較高(gao)難(nan)度(du)水平的(de)(de)(de)(de)(de)關鍵(jian)部位(wei)的(de)(de)(de)(de)(de)施(shi)(shi)工(gong)工(gong)作(zuo)，為今(jin)后(hou)(hou)類(lei)似(si)地質條(tiao)件的(de)(de)(de)(de)(de)施(shi)(shi)工(gong)積累了(le)寶貴的(de)(de)(de)(de)(de)經驗(yan)，培(pei)養了(le)大(da)(da)量的(de)(de)(de)(de)(de)專業技(ji)術人才，相關課題已經申報為科研課題立項(xiang)進(jin)(jin)行研究。