概述
山秀水(shui)(shui)(shui)電(dian)站位于左江主(zhu)干流(liu)下游河段,距崇(chong)左市扶綏縣約14km,距南寧市約90km,是一座以(yi)發電(dian)為主(zhu)、兼(jian)顧航運、灌溉(gai)等綜合(he)效益(yi)的水(shui)(shui)(shui)利水(shui)(shui)(shui)電(dian)工(gong)(gong)程。壩址以(yi)上控制流(liu)域面積(ji)29562平方(fang)(fang)公里,水(shui)(shui)(shui)庫(ku)(ku)總庫(ku)(ku)容(rong)(rong)(rong)為6.063億(yi)(yi)(yi)(yi)立(li)方(fang)(fang)米(mi),為日調節水(shui)(shui)(shui)庫(ku)(ku);電(dian)站總裝(zhuang)機容(rong)(rong)(rong)量(liang)為78MW,廠內安裝(zhuang)3臺單機容(rong)(rong)(rong)量(liang)26MW的燈泡貫流(liu)式水(shui)(shui)(shui)輪發電(dian)機組;工(gong)(gong)程為二等工(gong)(gong)程,大(da)壩等擋水(shui)(shui)(shui)建筑物為2級建筑物,按100年(nian)一遇洪水(shui)(shui)(shui)設(she)計,相(xiang)應(ying)洪水(shui)(shui)(shui)位和庫(ku)(ku)容(rong)(rong)(rong)分(fen)別(bie)為92.80m和4.795億(yi)(yi)(yi)(yi)立(li)方(fang)(fang)米(mi);按1000年(nian)一遇洪水(shui)(shui)(shui)校核(he)(右(you)岸接頭土壩為2000年(nian)),相(xiang)應(ying)洪水(shui)(shui)(shui)位和庫(ku)(ku)容(rong)(rong)(rong)(總庫(ku)(ku)容(rong)(rong)(rong))分(fen)別(bie)為95.80m和6.063億(yi)(yi)(yi)(yi)立(li)方(fang)(fang)米(mi);水(shui)(shui)(shui)庫(ku)(ku)正(zheng)常蓄水(shui)(shui)(shui)位為86.50m,相(xiang)應(ying)庫(ku)(ku)容(rong)(rong)(rong)為2.855億(yi)(yi)(yi)(yi)立(li)方(fang)(fang)米(mi);死(si)水(shui)(shui)(shui)位為85.00m,相(xiang)應(ying)庫(ku)(ku)容(rong)(rong)(rong)為2.466億(yi)(yi)(yi)(yi)立(li)方(fang)(fang)米(mi)。
樞紐
山秀(xiu)水(shui)(shui)(shui)(shui)電(dian)站是(shi)左(zuo)江干梯級(ji)規劃中的第三梯級(ji),是(shi)一(yi)座以發(fa)電(dian)為(wei)主(zhu),兼顧航運、電(dian)灌、供水(shui)(shui)(shui)(shui)、養殖、旅(lv)游等綜(zong)合利(li)用的水(shui)(shui)(shui)(shui)電(dian)工程。水(shui)(shui)(shui)(shui)庫的正常蓄水(shui)(shui)(shui)(shui)位為(wei)86.5m,相應庫容(rong)2.855億立方米。近(jin)期(qi)在下(xia)游老(lao)口電(dian)站未投產前能更(geng)充分(fen)地利(li)用該(gai)段水(shui)(shui)(shui)(shui)頭(tou)16.1m(裝機(ji)78mw),遠期(qi)仍(reng)保(bao)留一(yi)定的水(shui)(shui)(shui)(shui)頭(tou)12.5m(裝機(ji)54mw)船(chuan)(chuan)閘通(tong)航標準為(wei)V級(ji)船(chuan)(chuan)閘300t級(ji)頂推船(chuan)(chuan)隊。本(ben)工程屬Ⅱ級(ji)工程,擋水(shui)(shui)(shui)(shui)建筑物按100年一(yi)遇洪(hong)(hong)水(shui)(shui)(shui)(shui)設(she)計,100年一(yi)遇洪(hong)(hong)水(shui)(shui)(shui)(shui)校核,溢流(liu)壩的最大壩高39.5m,堰頂高程為(wei)71.5m 。電(dian)站裝設(she)3臺燈泡貫流(liu)式機(ji)組,單機(ji)容(rong)量(liang)26mw,總(zong)裝機(ji)容(rong)量(liang)78mw。
工(gong)程樞紐建筑物從左(zuo)到右依次為(wei)(wei)(wei)左(zuo)岸接(jie)頭(tou)(tou)重力壩(ba)、船閘(zha)、溢(yi)流壩(ba)、河床式(shi)廠房、右岸接(jie)頭(tou)(tou)重力壩(ba)、右岸接(jie)頭(tou)(tou)土壩(ba)等(deng)(deng)組(zu)成。壩(ba)頂(ding)高(gao)程為(wei)(wei)(wei)98.40m(黃基),最大壩(ba)高(gao)40.50m,壩(ba)軸線(xian)總(zong)長435.96m。泄水(shui)建筑物由(you)9孔溢(yi)流壩(ba)組(zu)成,采用(yong)弧(hu)形閘(zha)門和液壓啟閉機啟閉,閘(zha)門尺寸14m×16.5m(寬度(du)×高(gao)度(du)),堰頂(ding)高(gao)程70.50m,消能(neng)方式(shi)為(wei)(wei)(wei)底流消能(neng)。大壩(ba)基礎主要由(you)灰(hui)(hui)巖、白云(yun)(yun)質(zhi)灰(hui)(hui)巖、白云(yun)(yun)巖等(deng)(deng)組(zu)成。地(di)震基本烈(lie)度(du)為(wei)(wei)(wei)Ⅵ度(du)。
建設
工(gong)程(cheng)(cheng)于(yu)2003年3月(yue)(yue)21日(ri)(ri)正式開工(gong)興(xing)建(jian),2005年6月(yue)(yue)6日(ri)(ri)通(tong)過(guo)一(yi)期(qi)水(shui)下工(gong)程(cheng)(cheng)驗收,2006年6月(yue)(yue)3日(ri)(ri)通(tong)過(guo)二期(qi)水(shui)下工(gong)程(cheng)(cheng)驗收,2006年9月(yue)(yue)19日(ri)(ri)第一(yi)臺機(ji)(ji)組正式投產發(fa)電(dian)(dian)(dian),2007年8月(yue)(yue)通(tong)過(guo)中國水(shui)利水(shui)電(dian)(dian)(dian)科學(xue)研究院的(de)工(gong)程(cheng)(cheng)蓄水(shui)安全鑒(jian)定,2007年8月(yue)(yue)9日(ri)(ri)最后(hou)一(yi)臺機(ji)(ji)組投產發(fa)電(dian)(dian)(dian)。工(gong)程(cheng)(cheng)設計(ji)單位為廣西南寧(ning)水(shui)利電(dian)(dian)(dian)力設計(ji)院;施工(gong)單位為廣西壯族自治區(qu)水(shui)電(dian)(dian)(dian)工(gong)程(cheng)(cheng)局(ju),監(jian)理單位為廣西力元建(jian)設監(jian)理有(you)(you)限責任公(gong)司,主管單位為大唐(tang)廣源水(shui)力發(fa)電(dian)(dian)(dian)有(you)(you)限公(gong)司,運行單位為扶(fu)綏廣能電(dian)(dian)(dian)力開發(fa)有(you)(you)限公(gong)司。