文章來源：中(zhong)國水利(li)水電建設集團(tuan)公司 發布(bu)時(shi)間(jian)：2008-10-25
10月(yue)20日，糯扎渡電站1#、2#導流(liu)洞(dong)進出口(kou)圍(wei)堰一次爆破(po)拆除成功(gong)，順(shun)(shun)利(li)實現(xian)分流(liu)過(guo)水，為(wei)10月(yue)28大(da)江截流(liu)目(mu)(mu)標的(de)順(shun)(shun)利(li)實現(xian)和電站提前兩年發電宏偉目(mu)(mu)標的(de)順(shun)(shun)利(li)實現(xian)打下(xia)了最為(wei)堅實的(de)基(ji)礎。
糯扎渡(du)水電(dian)(dian)(dian)(dian)站(zhan)(zhan)工(gong)(gong)程(cheng)(cheng)屬(shu)大(da)（1）型一等(deng)工(gong)(gong)程(cheng)(cheng)，永久性主(zhu)要水工(gong)(gong)建筑(zhu)物為(wei)一級建筑(zhu)物。工(gong)(gong)程(cheng)(cheng)以發電(dian)(dian)(dian)(dian)為(wei)主(zhu)兼(jian)有防(fang)洪(hong)、灌(guan)溉、養殖和(he)旅(lv)游等(deng)綜合利用效益，水庫(ku)具有多年(nian)調節性能。該工(gong)(gong)程(cheng)(cheng)由心墻堆(dui)石壩(ba)、左岸溢(yi)洪(hong)道、左、右岸泄洪(hong)隧洞、左岸地下式引水發電(dian)(dian)(dian)(dian)系統及導流工(gong)(gong)程(cheng)(cheng)等(deng)建筑(zhu)物組(zu)成。電(dian)(dian)(dian)(dian)站(zhan)(zhan)位(wei)于(yu)云南省普洱市境內(nei)，是瀾滄江中下游河段(duan)八個梯級規劃的第(di)五級，電(dian)(dian)(dian)(dian)站(zhan)(zhan)裝機容(rong)量為(wei)585萬千瓦，水庫(ku)庫(ku)容(rong)237.03×108m3。電(dian)(dian)(dian)(dian)站(zhan)(zhan)擬定里程(cheng)(cheng)碑工(gong)(gong)期(qi)為(wei)：2006年(nian)1月(yue)導流隧洞主(zhu)洞開工(gong)(gong)，2007年(nian)11月(yue)大(da)江截流，2008年(nian)8月(yue)壩(ba)體(ti)開始填(tian)筑(zhu)，2013年(nian)7月(yue)底首批機組(zu)投(tou)產發電(dian)(dian)(dian)(dian)，2016年(nian)6月(yue)工(gong)(gong)程(cheng)(cheng)竣工(gong)(gong)。
糯扎渡1#、2#導(dao)流(liu)(liu)洞(dong)(dong)，設(she)計長度(du)分(fen)別(bie)為(wei)(wei)(wei)(wei)1067米(mi)和1142米(mi)，斷面(mian)類(lei)(lei)(lei)型(xing)為(wei)(wei)(wei)(wei)城門洞(dong)(dong)型(xing)，完(wan)(wan)成混凝土(tu)(tu)澆(jiao)筑(zhu)后(hou)的(de)(de)(de)導(dao)流(liu)(liu)洞(dong)(dong)高為(wei)(wei)(wei)(wei)21米(mi)，寬16米(mi)，是目前世(shi)界上同類(lei)(lei)(lei)型(xing)電(dian)站中(zhong)斷面(mian)規模(mo)最大的(de)(de)(de)導(dao)流(liu)(liu)洞(dong)(dong)之一。工(gong)程(cheng)于(yu)去年(nian)1月份開(kai)(kai)工(gong)，承擔施(shi)工(gong)任務(wu)的(de)(de)(de)中(zhong)國水(shui)電(dian)建設(she)集團(tuan)水(shui)電(dian)十四局經(jing)過近兩年(nian)的(de)(de)(de)不間斷施(shi)工(gong)，克服了(le)(le)工(gong)期緊、任務(wu)重、地(di)質(zhi)(zhi)條件復雜多變等不利客觀(guan)因(yin)素，以進度(du)為(wei)(wei)(wei)(wei)中(zhong)心，以質(zhi)(zhi)量(liang)為(wei)(wei)(wei)(wei)保證，先后(hou)完(wan)(wan)成了(le)(le)進出(chu)(chu)口邊坡的(de)(de)(de)開(kai)(kai)挖支護，導(dao)流(liu)(liu)洞(dong)(dong)洞(dong)(dong)身(shen)段的(de)(de)(de)開(kai)(kai)挖支護，進出(chu)(chu)口和洞(dong)(dong)身(shen)段混凝土(tu)(tu)的(de)(de)(de)澆(jiao)筑(zhu)，以及(ji)后(hou)續(xu)的(de)(de)(de)灌漿工(gong)程(cheng)，于(yu)今(jin)年(nian)9月底完(wan)(wan)成全部施(shi)工(gong)任務(wu)并順利通(tong)過了(le)(le)導(dao)流(liu)(liu)洞(dong)(dong)驗(yan)收專(zhuan)家組的(de)(de)(de)驗(yan)收，具備(bei)分(fen)流(liu)(liu)過水(shui)條件。施(shi)工(gong)過程(cheng)中(zhong)，先后(hou)圓(yuan)滿完(wan)(wan)成了(le)(le)“導(dao)流(liu)(liu)洞(dong)(dong)洞(dong)(dong)身(shen)段F3、F9等不良地(di)質(zhi)(zhi)斷層的(de)(de)(de)穿越”、“導(dao)流(liu)(liu)洞(dong)(dong)進出(chu)(chu)口大跨(kua)度(du)漸(jian)變段施(shi)工(gong)”、“進出(chu)(chu)口高邊坡快速施(shi)工(gong)”、“進出(chu)(chu)口大方量(liang)土(tu)(tu)石(shi)圍(wei)堰填筑(zhu)及(ji)拆(chai)除”等一系列具有較(jiao)高科(ke)研價值和較(jiao)高難度(du)水(shui)平的(de)(de)(de)關鍵(jian)部位的(de)(de)(de)施(shi)工(gong)工(gong)作，為(wei)(wei)(wei)(wei)今(jin)后(hou)類(lei)(lei)(lei)似地(di)質(zhi)(zhi)條件的(de)(de)(de)施(shi)工(gong)積累了(le)(le)寶貴(gui)的(de)(de)(de)經(jing)驗(yan)，培養了(le)(le)大量(liang)的(de)(de)(de)專(zhuan)業技術人才(cai)，相關課(ke)題(ti)已經(jing)申報為(wei)(wei)(wei)(wei)科(ke)研課(ke)題(ti)立(li)項進行研究。