概況
磽(qiao)磧(qi)(qi)湖,也稱磽(qiao)磧(qi)(qi)水庫(ku),位于(yu)四(si)川省寶興(xing)縣境內青衣江主(zhu)源寶興(xing)河上游(you),系修(xiu)建磽(qiao)磧(qi)(qi)水電站,筑建大壩而(er)成的(de)人工湖。磽(qiao)磧(qi)(qi)湖臨磽(qiao)磧(qi)(qi)藏寨、神(shen)木(mu)壘風景(jing)區、達瓦更(geng)扎360°觀(guan)景(jing)平(ping)臺(tai)、以及夾金山森林公(gong)園。磽(qiao)磧(qi)(qi)湖,一(yi)年四(si)季風景(jing)優美(mei),10-11月風景(jing)尤為漂亮,從寶興(xing)出(chu)發到磽(qiao)磧(qi)(qi)湖沿途風光(guang)秀麗(li),山谷兩岸(an)更(geng)是(shi)五(wu)彩繽紛,十(shi)分(fen)壯觀(guan)。是(shi)游(you)覽(lan)神(shen)木(mu)壘和達瓦更(geng)扎必不可(ke)少的(de)又一(yi)重(zhong)要(yao)景(jing)點。
磽磧水(shui)電站(zhan)位于四川省寶興(xing)縣境內青衣江主源寶興(xing)河上游,為高壩(ba)引水(shui)式的電站(zhan),是寶興(xing)河流域梯(ti)級滾動開(kai)發規劃(hua)“一庫八級”的龍頭(tou)水(shui)庫電站(zhan),工程樞紐由攔河大壩(ba)、泄洪洞、放空洞、引水(shui)隧洞、調壓井(jing)、壓力管道和地下廠房等建筑物(wu)組(zu)成。電站(zhan)共裝機3臺,單機容(rong)量80MW,總裝機容(rong)量240MW。工程主要任務(wu)為單一發電,無(wu)航運、漂木、防洪、灌(guan)溉等綜合(he)利用要求(qiu)。
樞紐
磽磧水電站大壩工(gong)(gong)程(cheng)(cheng)(cheng)主要項目有:首(shou)部樞紐工(gong)(gong)程(cheng)(cheng)(cheng)(不包括砼(tong)防(fang)滲墻);泄(xie)(xie)洪洞工(gong)(gong)程(cheng)(cheng)(cheng);導流(liu)工(gong)(gong)程(cheng)(cheng)(cheng)(導流(liu)洞封堵改建(jian));閘門(men)及(ji)起閉設備安裝工(gong)(gong)程(cheng)(cheng)(cheng);原型觀測(ce)工(gong)(gong)程(cheng)(cheng)(cheng)等。 攔河大壩為(wei)(wei)(wei)礫石土(tu)(tu)直心墻堆石壩,最大壩高(gao)123m,壩軸線長452.70m,壩頂寬10.0m,最大底寬450m,上(shang)(shang)游(you)(you)(you)壩坡為(wei)(wei)(wei)1:2,下游(you)(you)(you)壩坡為(wei)(wei)(wei)1:1.8。上(shang)(shang)游(you)(you)(you)圍堰與壩體結合布置(zhi)(zhi),上(shang)(shang)游(you)(you)(you)圍堰頂高(gao)程(cheng)(cheng)(cheng)2040m,設置(zhi)(zhi)寬度(du)(du)為(wei)(wei)(wei)10m的(de)馬道(dao)(dao)。壩體基礎為(wei)(wei)(wei)深(shen)(shen)厚覆(fu)蓋層,采(cai)用一道(dao)(dao)厚度(du)(du)為(wei)(wei)(wei)1.2m的(de)混凝(ning)土(tu)(tu)垂直防(fang)滲墻,防(fang)滲墻最大深(shen)(shen)度(du)(du)68m。 泄(xie)(xie)洪洞布置(zhi)(zhi)在河道(dao)(dao)右(you)岸,全長1200多(duo)米(mi),由(you)開(kai)敞式進(jin)水口(kou)、進(jin)口(kou)平段、斜段和出(chu)口(kou)平段及(ji)出(chu)口(kou)消力系統等組成,隧(sui)洞斷面采(cai)用0.8m厚的(de)混凝(ning)土(tu)(tu)襯砌。泄(xie)(xie)洪洞進(jin)口(kou)高(gao)程(cheng)(cheng)(cheng)為(wei)(wei)(wei)2130.5m,出(chu)口(kou)高(gao)程(cheng)(cheng)(cheng)為(wei)(wei)(wei)2035.88m。
建設
該電(dian)站是由華能(neng)四川(chuan)(chuan)水(shui)(shui)電(dian)開發(fa)有限公(gong)司(si)控股,投資20.09億元,安裝3臺(tai)8萬千瓦國(guo)(guo)內第一(yi)(yi)(yi)高(gao)水(shui)(shui)頭(550米(mi))混流式機組,建設目前(qian)國(guo)(guo)內在建最高(gao)的堆(dui)石(shi)(shi)(shi)(shi)粘土心(xin)墻(qiang)(qiang)(qiang)壩(ba)(ba)(ba)(壩(ba)(ba)(ba)高(gao)125米(mi)), 2002年11月(yue)(yue)28日(ri),蹺(qiao)磧(qi)(qi)水(shui)(shui)電(dian)站大壩(ba)(ba)(ba)工(gong)程(cheng)開工(gong);2007年4月(yue)(yue)30日(ri),大壩(ba)(ba)(ba)填(tian)(tian)筑(zhu)完(wan)成;2007年7月(yue)(yue)31日(ri),大壩(ba)(ba)(ba)工(gong)程(cheng)完(wan)工(gong)。 2007年磽(qiao)磧(qi)(qi)電(dian)站礫(li)(li)石(shi)(shi)(shi)(shi)土直(zhi)心(xin)墻(qiang)(qiang)(qiang)施工(gong)工(gong)法被選為(wei)(wei)四川(chuan)(chuan)省及(ji)國(guo)(guo)家級工(gong)法,并被評為(wei)(wei)四川(chuan)(chuan)省用戶滿意工(gong)程(cheng)。2008年度磽(qiao)磧(qi)(qi)項(xiang)(xiang)目部礫(li)(li)石(shi)(shi)(shi)(shi)土直(zhi)心(xin)墻(qiang)(qiang)(qiang)填(tian)(tian)筑(zhu)施工(gong)質量控制(zhi)QC小組獲得全國(guo)(guo)電(dian)力行(xing)業(ye)優(you)秀(xiu)QC小組。磽(qiao)磧(qi)(qi)水(shui)(shui)電(dian)站《寬級配礫(li)(li)石(shi)(shi)(shi)(shi)土心(xin)墻(qiang)(qiang)(qiang)堆(dui)石(shi)(shi)(shi)(shi)壩(ba)(ba)(ba)施工(gong)技(ji)術(shu)》科技(ji)項(xiang)(xiang)目被評為(wei)(wei)水(shui)(shui)電(dian)七局2006年——2007年度科技(ji)進步(bu)(bu)一(yi)(yi)(yi)等(deng)獎(jiang)、《礫(li)(li)石(shi)(shi)(shi)(shi)土心(xin)墻(qiang)(qiang)(qiang)堆(dui)石(shi)(shi)(shi)(shi)壩(ba)(ba)(ba)施工(gong)技(ji)術(shu)研究與應(ying)用》榮獲集(ji)團(tuan)(tuan)公(gong)司(si)2008年度科技(ji)進步(bu)(bu)一(yi)(yi)(yi)等(deng)獎(jiang),并被集(ji)團(tuan)(tuan)公(gong)司(si)推薦申報國(guo)(guo)家電(dian)力公(gong)司(si)科技(ji)進步(bu)(bu)獎(jiang);2008年磽(qiao)磧(qi)(qi)項(xiang)(xiang)目被集(ji)團(tuan)(tuan)公(gong)司(si)授予“文明工(gong)程(cheng)”稱號。
意義
磽磧水電(dian)站位于紅軍長(chang)征翻(fan)越的(de)第(di)一座大雪山(shan)――夾(jia)金山(shan)下(xia)的(de)磽磧場鎮。華能(neng)按照“建一座電(dian)站,保一方水土,富一方百姓”的(de)開發理念,投資(zi)興(xing)建具有藏族(zu)風情(qing)特色(se)的(de)新磽磧場鎮和(he)環湖公路,極大地(di)方便了當地(di)藏民的(de)交通和(he)生(sheng)活,為(wei)磽磧人民發展藏鄉風情(qing)旅游事業搭(da)建起寬闊(kuo)的(de)平臺,被中央(yang)電(dian)視(shi)臺譽為(wei)“長(chang)征路上富民工程(cheng)”。
該電(dian)(dian)站(zhan)的投產,將發揮(hui)良好的社(she)會(hui)經(jing)濟效益,為促進四(si)川電(dian)(dian)源(yuan)結構優化、保證(zheng)電(dian)(dian)網(wang)安全(quan)運行發揮(hui)積極作用。