概況
磽(qiao)(qiao)(qiao)磧湖,也稱(cheng)磽(qiao)(qiao)(qiao)磧水庫,位(wei)于四川省寶興縣境內青(qing)衣(yi)江(jiang)主源寶興河上游(you),系修建磽(qiao)(qiao)(qiao)磧水電站,筑建大壩而成的(de)人工湖。磽(qiao)(qiao)(qiao)磧湖臨磽(qiao)(qiao)(qiao)磧藏寨(zhai)、神木壘(lei)風(feng)(feng)景區、達(da)瓦更扎360°觀(guan)景平臺、以(yi)及(ji)夾金山森林公園。磽(qiao)(qiao)(qiao)磧湖,一(yi)年四季(ji)風(feng)(feng)景優美,10-11月(yue)風(feng)(feng)景尤(you)為漂亮,從寶興出發到磽(qiao)(qiao)(qiao)磧湖沿途風(feng)(feng)光秀麗,山谷兩岸(an)更是五(wu)彩繽紛,十分壯觀(guan)。是游(you)覽神木壘(lei)和(he)達(da)瓦更扎必不可少的(de)又(you)一(yi)重要景點。
磽磧水(shui)電站(zhan)位于四(si)川省寶(bao)興(xing)縣境內青衣江主源寶(bao)興(xing)河(he)上游,為(wei)高壩引(yin)水(shui)式的(de)電站(zhan),是寶(bao)興(xing)河(he)流域(yu)梯級滾動開發(fa)規劃“一庫八級”的(de)龍頭水(shui)庫電站(zhan),工(gong)程(cheng)樞紐由(you)攔河(he)大壩、泄洪(hong)洞(dong)(dong)、放(fang)空(kong)洞(dong)(dong)、引(yin)水(shui)隧洞(dong)(dong)、調壓井、壓力管道和地下廠房等建(jian)筑物組成。電站(zhan)共裝(zhuang)機3臺,單(dan)機容量80MW,總裝(zhuang)機容量240MW。工(gong)程(cheng)主要任務為(wei)單(dan)一發(fa)電,無航運、漂(piao)木、防洪(hong)、灌溉等綜合利用要求。
樞紐
磽(qiao)磧水電站大壩(ba)工程(cheng)(cheng)(cheng)(cheng)主要項目有:首部(bu)樞紐(niu)工程(cheng)(cheng)(cheng)(cheng)(不包括砼防滲墻);泄洪洞工程(cheng)(cheng)(cheng)(cheng);導流工程(cheng)(cheng)(cheng)(cheng)(導流洞封堵改建);閘(zha)門及(ji)起閉設備安(an)裝工程(cheng)(cheng)(cheng)(cheng);原型觀(guan)測(ce)工程(cheng)(cheng)(cheng)(cheng)等(deng)。 攔河(he)大壩(ba)為(wei)礫石土(tu)直(zhi)心墻堆石壩(ba),最(zui)大壩(ba)高(gao)123m,壩(ba)軸線長(chang)452.70m,壩(ba)頂寬10.0m,最(zui)大底寬450m,上(shang)游(you)(you)壩(ba)坡為(wei)1:2,下游(you)(you)壩(ba)坡為(wei)1:1.8。上(shang)游(you)(you)圍(wei)(wei)堰與壩(ba)體結合布置,上(shang)游(you)(you)圍(wei)(wei)堰頂高(gao)程(cheng)(cheng)(cheng)(cheng)2040m,設置寬度為(wei)10m的馬道。壩(ba)體基礎為(wei)深(shen)厚覆(fu)蓋層(ceng),采用(yong)一(yi)道厚度為(wei)1.2m的混(hun)凝土(tu)垂直(zhi)防滲墻,防滲墻最(zui)大深(shen)度68m。 泄洪洞布置在河(he)道右岸(an),全長(chang)1200多米,由開(kai)敞式進水口(kou)、進口(kou)平段、斜段和出(chu)口(kou)平段及(ji)出(chu)口(kou)消力系統等(deng)組成,隧洞斷面采用(yong)0.8m厚的混(hun)凝土(tu)襯砌。泄洪洞進口(kou)高(gao)程(cheng)(cheng)(cheng)(cheng)為(wei)2130.5m,出(chu)口(kou)高(gao)程(cheng)(cheng)(cheng)(cheng)為(wei)2035.88m。
建設
該電(dian)(dian)(dian)站(zhan)是由華能(neng)四川(chuan)水(shui)(shui)(shui)電(dian)(dian)(dian)開(kai)發有限公(gong)(gong)司(si)控(kong)股,投資20.09億(yi)元,安裝(zhuang)3臺(tai)8萬千瓦(wa)國內第一高水(shui)(shui)(shui)頭(550米(mi))混流式機組,建設目前國內在建最高的堆石(shi)粘土心墻壩(ba)(壩(ba)高125米(mi)), 2002年(nian)(nian)(nian)11月(yue)(yue)28日(ri),蹺磧(qi)水(shui)(shui)(shui)電(dian)(dian)(dian)站(zhan)大壩(ba)工(gong)(gong)程開(kai)工(gong)(gong);2007年(nian)(nian)(nian)4月(yue)(yue)30日(ri),大壩(ba)填(tian)筑(zhu)完成;2007年(nian)(nian)(nian)7月(yue)(yue)31日(ri),大壩(ba)工(gong)(gong)程完工(gong)(gong)。 2007年(nian)(nian)(nian)磽(qiao)磧(qi)電(dian)(dian)(dian)站(zhan)礫(li)石(shi)土直(zhi)心墻施工(gong)(gong)工(gong)(gong)法(fa)被(bei)(bei)選(xuan)為(wei)四川(chuan)省(sheng)及國家(jia)級工(gong)(gong)法(fa),并被(bei)(bei)評為(wei)四川(chuan)省(sheng)用戶滿意(yi)工(gong)(gong)程。2008年(nian)(nian)(nian)度(du)磽(qiao)磧(qi)項(xiang)目部(bu)礫(li)石(shi)土直(zhi)心墻填(tian)筑(zhu)施工(gong)(gong)質量控(kong)制QC小組獲得全國電(dian)(dian)(dian)力行業優秀QC小組。磽(qiao)磧(qi)水(shui)(shui)(shui)電(dian)(dian)(dian)站(zhan)《寬級配礫(li)石(shi)土心墻堆石(shi)壩(ba)施工(gong)(gong)技(ji)術》科(ke)(ke)(ke)技(ji)項(xiang)目被(bei)(bei)評為(wei)水(shui)(shui)(shui)電(dian)(dian)(dian)七(qi)局2006年(nian)(nian)(nian)——2007年(nian)(nian)(nian)度(du)科(ke)(ke)(ke)技(ji)進(jin)步一等獎(jiang)、《礫(li)石(shi)土心墻堆石(shi)壩(ba)施工(gong)(gong)技(ji)術研究(jiu)與應用》榮獲集團(tuan)(tuan)公(gong)(gong)司(si)2008年(nian)(nian)(nian)度(du)科(ke)(ke)(ke)技(ji)進(jin)步一等獎(jiang),并被(bei)(bei)集團(tuan)(tuan)公(gong)(gong)司(si)推薦(jian)申報國家(jia)電(dian)(dian)(dian)力公(gong)(gong)司(si)科(ke)(ke)(ke)技(ji)進(jin)步獎(jiang);2008年(nian)(nian)(nian)磽(qiao)磧(qi)項(xiang)目被(bei)(bei)集團(tuan)(tuan)公(gong)(gong)司(si)授予(yu)“文明工(gong)(gong)程”稱號。
意義
磽(qiao)磧水電站位于紅軍長征翻(fan)越的(de)第一(yi)座大雪山(shan)――夾金山(shan)下的(de)磽(qiao)磧場鎮。華能按照“建一(yi)座電站,保一(yi)方(fang)水土,富一(yi)方(fang)百姓”的(de)開(kai)發理念,投資興(xing)建具有藏族風情(qing)特色的(de)新磽(qiao)磧場鎮和(he)環湖公路,極(ji)大地(di)方(fang)便了當地(di)藏民的(de)交通(tong)和(he)生活(huo),為磽(qiao)磧人民發展藏鄉風情(qing)旅游事業搭建起寬(kuan)闊的(de)平臺(tai),被中央(yang)電視(shi)臺(tai)譽為“長征路上富民工程”。
該(gai)電站的(de)投產,將發揮良好(hao)的(de)社會經(jing)濟效益(yi),為促進四川電源(yuan)結構優(you)化(hua)、保證電網安全(quan)運行發揮積(ji)極作用(yong)。