概述
山秀水(shui)(shui)(shui)(shui)(shui)電(dian)站位(wei)于左江主干(gan)流(liu)(liu)下游河段,距崇左市扶(fu)綏縣約14km,距南寧市約90km,是一(yi)座(zuo)以(yi)發(fa)電(dian)為(wei)(wei)主、兼(jian)顧航運(yun)、灌(guan)溉(gai)等綜(zong)合(he)效益的(de)水(shui)(shui)(shui)(shui)(shui)利水(shui)(shui)(shui)(shui)(shui)電(dian)工程(cheng)。壩(ba)(ba)(ba)址以(yi)上控制流(liu)(liu)域面積(ji)29562平方公里,水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)總庫(ku)(ku)容(rong)(rong)為(wei)(wei)6.063億(yi)(yi)立方米(mi),為(wei)(wei)日調節水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku);電(dian)站總裝(zhuang)機(ji)容(rong)(rong)量為(wei)(wei)78MW,廠(chang)內安(an)裝(zhuang)3臺單機(ji)容(rong)(rong)量26MW的(de)燈泡貫流(liu)(liu)式水(shui)(shui)(shui)(shui)(shui)輪發(fa)電(dian)機(ji)組;工程(cheng)為(wei)(wei)二等工程(cheng),大壩(ba)(ba)(ba)等擋水(shui)(shui)(shui)(shui)(shui)建筑物(wu)(wu)為(wei)(wei)2級建筑物(wu)(wu),按(an)100年一(yi)遇洪水(shui)(shui)(shui)(shui)(shui)設計(ji),相(xiang)(xiang)應洪水(shui)(shui)(shui)(shui)(shui)位(wei)和(he)庫(ku)(ku)容(rong)(rong)分別為(wei)(wei)92.80m和(he)4.795億(yi)(yi)立方米(mi);按(an)1000年一(yi)遇洪水(shui)(shui)(shui)(shui)(shui)校核(右岸接(jie)頭(tou)土(tu)壩(ba)(ba)(ba)為(wei)(wei)2000年),相(xiang)(xiang)應洪水(shui)(shui)(shui)(shui)(shui)位(wei)和(he)庫(ku)(ku)容(rong)(rong)(總庫(ku)(ku)容(rong)(rong))分別為(wei)(wei)95.80m和(he)6.063億(yi)(yi)立方米(mi);水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)正常蓄(xu)水(shui)(shui)(shui)(shui)(shui)位(wei)為(wei)(wei)86.50m,相(xiang)(xiang)應庫(ku)(ku)容(rong)(rong)為(wei)(wei)2.855億(yi)(yi)立方米(mi);死(si)水(shui)(shui)(shui)(shui)(shui)位(wei)為(wei)(wei)85.00m,相(xiang)(xiang)應庫(ku)(ku)容(rong)(rong)為(wei)(wei)2.466億(yi)(yi)立方米(mi)。
樞紐
山秀水電(dian)(dian)(dian)站(zhan)是(shi)左江干梯級規劃中的(de)第三梯級,是(shi)一(yi)座以發電(dian)(dian)(dian)為(wei)主,兼顧航運(yun)、電(dian)(dian)(dian)灌、供水、養殖、旅(lv)游等(deng)綜合利用的(de)水電(dian)(dian)(dian)工(gong)(gong)程。水庫的(de)正(zheng)常蓄(xu)水位為(wei)86.5m,相應庫容(rong)(rong)2.855億(yi)立方米。近期(qi)在下游老口電(dian)(dian)(dian)站(zhan)未(wei)投產前能更充(chong)分地利用該段水頭(tou)16.1m(裝(zhuang)機(ji)78mw),遠期(qi)仍(reng)保留一(yi)定的(de)水頭(tou)12.5m(裝(zhuang)機(ji)54mw)船閘(zha)通航標準為(wei)V級船閘(zha)300t級頂(ding)推船隊。本(ben)工(gong)(gong)程屬Ⅱ級工(gong)(gong)程,擋(dang)水建筑物按100年(nian)一(yi)遇洪(hong)水設計,100年(nian)一(yi)遇洪(hong)水校核,溢流(liu)壩(ba)的(de)最大壩(ba)高39.5m,堰頂(ding)高程為(wei)71.5m 。電(dian)(dian)(dian)站(zhan)裝(zhuang)設3臺燈泡貫(guan)流(liu)式機(ji)組(zu),單機(ji)容(rong)(rong)量(liang)(liang)26mw,總裝(zhuang)機(ji)容(rong)(rong)量(liang)(liang)78mw。
工程(cheng)樞紐(niu)建筑(zhu)物從左(zuo)到右(you)依次為左(zuo)岸接頭重力壩、船閘、溢(yi)流(liu)壩、河床式廠房、右(you)岸接頭重力壩、右(you)岸接頭土壩等組(zu)成(cheng)。壩頂(ding)(ding)高程(cheng)為98.40m(黃基),最大壩高40.50m,壩軸線總(zong)長435.96m。泄水建筑(zhu)物由(you)9孔(kong)溢(yi)流(liu)壩組(zu)成(cheng),采用(yong)弧形(xing)閘門和液壓啟閉(bi)機啟閉(bi),閘門尺寸14m×16.5m(寬(kuan)度(du)×高度(du)),堰頂(ding)(ding)高程(cheng)70.50m,消能(neng)方式為底流(liu)消能(neng)。大壩基礎主要由(you)灰巖(yan)、白云質灰巖(yan)、白云巖(yan)等組(zu)成(cheng)。地震基本烈度(du)為Ⅵ度(du)。
建設
工程(cheng)于(yu)2003年3月(yue)(yue)(yue)(yue)21日(ri)正(zheng)式開工興建,2005年6月(yue)(yue)(yue)(yue)6日(ri)通過(guo)一期(qi)水(shui)(shui)(shui)(shui)下工程(cheng)驗(yan)收(shou),2006年6月(yue)(yue)(yue)(yue)3日(ri)通過(guo)二期(qi)水(shui)(shui)(shui)(shui)下工程(cheng)驗(yan)收(shou),2006年9月(yue)(yue)(yue)(yue)19日(ri)第一臺機(ji)組正(zheng)式投(tou)產發(fa)(fa)電(dian),2007年8月(yue)(yue)(yue)(yue)通過(guo)中國水(shui)(shui)(shui)(shui)利水(shui)(shui)(shui)(shui)電(dian)科(ke)學研(yan)究院的工程(cheng)蓄水(shui)(shui)(shui)(shui)安全鑒定,2007年8月(yue)(yue)(yue)(yue)9日(ri)最后一臺機(ji)組投(tou)產發(fa)(fa)電(dian)。工程(cheng)設(she)計單位(wei)為廣(guang)西南寧水(shui)(shui)(shui)(shui)利電(dian)力(li)設(she)計院;施工單位(wei)為廣(guang)西壯族自(zi)治(zhi)區(qu)水(shui)(shui)(shui)(shui)電(dian)工程(cheng)局,監(jian)理(li)單位(wei)為廣(guang)西力(li)元建設(she)監(jian)理(li)有(you)限責任公(gong)司,主管(guan)單位(wei)為大(da)唐廣(guang)源水(shui)(shui)(shui)(shui)力(li)發(fa)(fa)電(dian)有(you)限公(gong)司,運行單位(wei)為扶綏廣(guang)能電(dian)力(li)開發(fa)(fa)有(you)限公(gong)司。