概況
磽(qiao)(qiao)磧(qi)(qi)湖(hu),也稱(cheng)磽(qiao)(qiao)磧(qi)(qi)水庫,位(wei)于四川省寶興(xing)縣境(jing)內青(qing)衣江主源寶興(xing)河上(shang)游(you),系修建磽(qiao)(qiao)磧(qi)(qi)水電(dian)站,筑(zhu)建大壩而成的人工(gong)湖(hu)。磽(qiao)(qiao)磧(qi)(qi)湖(hu)臨磽(qiao)(qiao)磧(qi)(qi)藏寨、神(shen)木壘風(feng)(feng)景(jing)區、達瓦更(geng)扎(zha)360°觀(guan)景(jing)平臺、以及(ji)夾金山森(sen)林公園。磽(qiao)(qiao)磧(qi)(qi)湖(hu),一年四季風(feng)(feng)景(jing)優(you)美,10-11月風(feng)(feng)景(jing)尤為漂亮,從寶興(xing)出發到磽(qiao)(qiao)磧(qi)(qi)湖(hu)沿途風(feng)(feng)光秀麗,山谷兩岸更(geng)是五(wu)彩繽紛,十分壯觀(guan)。是游(you)覽神(shen)木壘和(he)達瓦更(geng)扎(zha)必不可少的又一重要(yao)景(jing)點。
磽磧水電站(zhan)(zhan)位于(yu)四(si)川省寶興(xing)縣境(jing)內青衣江主源寶興(xing)河上游,為高壩引(yin)水式的電站(zhan)(zhan),是寶興(xing)河流域梯級滾動(dong)開發規劃“一庫(ku)(ku)八級”的龍頭水庫(ku)(ku)電站(zhan)(zhan),工(gong)程樞紐(niu)由攔河大壩、泄洪(hong)洞、放空洞、引(yin)水隧洞、調壓井、壓力管道和地下(xia)廠房等建筑物組成。電站(zhan)(zhan)共裝機(ji)(ji)3臺,單機(ji)(ji)容量(liang)80MW,總裝機(ji)(ji)容量(liang)240MW。工(gong)程主要任務為單一發電,無航運、漂(piao)木、防洪(hong)、灌(guan)溉等綜合利用(yong)要求。
樞紐
磽磧水電(dian)站大壩工(gong)程(cheng)主要項目有:首部(bu)樞紐工(gong)程(cheng)(不包括砼防滲(shen)墻(qiang));泄洪洞工(gong)程(cheng);導流工(gong)程(cheng)(導流洞封堵改建);閘門及起閉設(she)備安裝工(gong)程(cheng);原型觀(guan)測工(gong)程(cheng)等(deng)。 攔河(he)大壩為(wei)(wei)礫(li)石土(tu)直心墻(qiang)堆石壩,最(zui)(zui)大壩高(gao)123m,壩軸線長452.70m,壩頂寬(kuan)10.0m,最(zui)(zui)大底寬(kuan)450m,上(shang)游壩坡為(wei)(wei)1:2,下游壩坡為(wei)(wei)1:1.8。上(shang)游圍堰(yan)與壩體結合(he)布置,上(shang)游圍堰(yan)頂高(gao)程(cheng)2040m,設(she)置寬(kuan)度為(wei)(wei)10m的馬道。壩體基礎為(wei)(wei)深厚(hou)覆蓋層,采(cai)用一(yi)道厚(hou)度為(wei)(wei)1.2m的混(hun)凝土(tu)垂直防滲(shen)墻(qiang),防滲(shen)墻(qiang)最(zui)(zui)大深度68m。 泄洪洞布置在河(he)道右岸,全長1200多米(mi),由開敞式進水口、進口平(ping)(ping)段、斜段和(he)出口平(ping)(ping)段及出口消力系(xi)統等(deng)組成,隧洞斷面采(cai)用0.8m厚(hou)的混(hun)凝土(tu)襯砌。泄洪洞進口高(gao)程(cheng)為(wei)(wei)2130.5m,出口高(gao)程(cheng)為(wei)(wei)2035.88m。
建設
該電(dian)站是由(you)華能四(si)川水(shui)電(dian)開(kai)(kai)發有限公(gong)司(si)(si)(si)控(kong)股(gu),投資20.09億(yi)元,安裝(zhuang)3臺8萬千瓦(wa)國(guo)(guo)內(nei)第一(yi)高水(shui)頭(550米)混(hun)流式機(ji)組,建(jian)設目(mu)(mu)前國(guo)(guo)內(nei)在建(jian)最高的堆(dui)(dui)石(shi)(shi)(shi)粘土(tu)(tu)心墻壩(ba)(ba)(壩(ba)(ba)高125米), 2002年(nian)(nian)(nian)11月28日,蹺(qiao)磧水(shui)電(dian)站大壩(ba)(ba)工(gong)(gong)程(cheng)開(kai)(kai)工(gong)(gong);2007年(nian)(nian)(nian)4月30日,大壩(ba)(ba)填(tian)筑完(wan)成;2007年(nian)(nian)(nian)7月31日,大壩(ba)(ba)工(gong)(gong)程(cheng)完(wan)工(gong)(gong)。 2007年(nian)(nian)(nian)磽磧電(dian)站礫(li)石(shi)(shi)(shi)土(tu)(tu)直心墻施工(gong)(gong)工(gong)(gong)法被(bei)選(xuan)為(wei)四(si)川省及國(guo)(guo)家級工(gong)(gong)法,并(bing)被(bei)評為(wei)四(si)川省用戶滿意(yi)工(gong)(gong)程(cheng)。2008年(nian)(nian)(nian)度(du)(du)磽磧項(xiang)目(mu)(mu)部礫(li)石(shi)(shi)(shi)土(tu)(tu)直心墻填(tian)筑施工(gong)(gong)質量控(kong)制QC小組獲得(de)全國(guo)(guo)電(dian)力行業優秀QC小組。磽磧水(shui)電(dian)站《寬級配礫(li)石(shi)(shi)(shi)土(tu)(tu)心墻堆(dui)(dui)石(shi)(shi)(shi)壩(ba)(ba)施工(gong)(gong)技(ji)術(shu)》科技(ji)項(xiang)目(mu)(mu)被(bei)評為(wei)水(shui)電(dian)七局2006年(nian)(nian)(nian)——2007年(nian)(nian)(nian)度(du)(du)科技(ji)進(jin)步(bu)一(yi)等(deng)獎、《礫(li)石(shi)(shi)(shi)土(tu)(tu)心墻堆(dui)(dui)石(shi)(shi)(shi)壩(ba)(ba)施工(gong)(gong)技(ji)術(shu)研究與應用》榮(rong)獲集(ji)(ji)團(tuan)(tuan)公(gong)司(si)(si)(si)2008年(nian)(nian)(nian)度(du)(du)科技(ji)進(jin)步(bu)一(yi)等(deng)獎,并(bing)被(bei)集(ji)(ji)團(tuan)(tuan)公(gong)司(si)(si)(si)推薦申報國(guo)(guo)家電(dian)力公(gong)司(si)(si)(si)科技(ji)進(jin)步(bu)獎;2008年(nian)(nian)(nian)磽磧項(xiang)目(mu)(mu)被(bei)集(ji)(ji)團(tuan)(tuan)公(gong)司(si)(si)(si)授予“文(wen)明(ming)工(gong)(gong)程(cheng)”稱(cheng)號。
意義
磽(qiao)磧水(shui)電站位于紅軍長征翻越的第一(yi)座大雪山(shan)(shan)――夾(jia)金山(shan)(shan)下的磽(qiao)磧場(chang)鎮(zhen)。華能按照“建(jian)一(yi)座電站,保一(yi)方水(shui)土,富一(yi)方百姓(xing)”的開(kai)發理(li)念,投資(zi)興建(jian)具(ju)有藏族風情(qing)特色的新磽(qiao)磧場(chang)鎮(zhen)和環湖公路(lu),極大地方便(bian)了當地藏民的交通和生活,為磽(qiao)磧人民發展(zhan)藏鄉風情(qing)旅游事(shi)業搭(da)建(jian)起寬(kuan)闊(kuo)的平臺,被中(zhong)央電視(shi)臺譽為“長征路(lu)上富民工(gong)程”。
該電站(zhan)的(de)投產,將發揮良好的(de)社會(hui)經濟效益,為促進四川(chuan)電源結構優化、保證電網安(an)全運行發揮積(ji)極(ji)作用。