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水庫簡介

大(da)壩(ba)在鄖西(xi)(xi)縣夾(jia)河(he)(he)鎮陡嶺(ling)(ling)子(zi)村，東距十堰市區(qu)120千(qian)(qian)(qian)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)，南距河(he)(he)口夾(jia)河(he)(he)鎮約10千(qian)(qian)(qian)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)，控(kong)制(zhi)流(liu)(liu)域(yu)面(mian)積5611平(ping)(ping)方(fang)千(qian)(qian)(qian)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)。水(shui)(shui)(shui)(shui)庫(ku)所(suo)在流(liu)(liu)域(yu)為(wei)秦嶺(ling)(ling)南部，武當山(shan)以(yi)北(bei)，屬于(yu)山(shan)區(qu)。地(di)形(xing)總趨勢西(xi)(xi)北(bei)高、東南低，一般(ban)高程500～700米(mi)(mi)(mi)(mi)(mi)(mi)(mi)，河(he)(he)床最(zui)低高程190米(mi)(mi)(mi)(mi)(mi)(mi)(mi)，河(he)(he)谷深切，邊坡陡峭，多(duo)(duo)(duo)呈V形(xing)或(huo)U形(xing)峽谷，兩岸(an)(an)溝壑縱橫，地(di)表水(shui)(shui)(shui)(shui)系(xi)發(fa)(fa)育，坡岸(an)(an)植被稀疏、巖石裸(luo)露，庫(ku)段內河(he)(he)流(liu)(liu)發(fa)(fa)育有三級階地(di)，屬秦嶺(ling)(ling)褶(zhe)皺(zhou)系(xi)的二級構(gou)(gou)造，以(yi)東西(xi)(xi)向和北(bei)西(xi)(xi)向構(gou)(gou)造體(ti)系(xi)為(wei)主(zhu)。壩(ba)區(qu)處于(yu)鄖西(xi)(xi)帚狀構(gou)(gou)造帶發(fa)(fa)散端，地(di)質構(gou)(gou)造比較簡單，以(yi)斷(duan)裂(lie)構(gou)(gou)造為(wei)主(zhu)，褶(zhe)皺(zhou)主(zhu)要表現為(wei)巖層次一級柔皺(zhou)。庫(ku)區(qu)位于(yu)鄂(e)西(xi)(xi)北(bei)大(da)山(shan)區(qu)，水(shui)(shui)(shui)(shui)汽入(ru)流(liu)(liu)受阻，不(bu)受臺風(feng)影響。雨(yu)量偏(pian)少，多(duo)(duo)(duo)年(nian)平(ping)(ping)均(jun)(jun)年(nian)降水(shui)(shui)(shui)(shui)量849毫米(mi)(mi)(mi)(mi)(mi)(mi)(mi)，多(duo)(duo)(duo)年(nian)平(ping)(ping)均(jun)(jun)年(nian)蒸發(fa)(fa)量919.6毫米(mi)(mi)(mi)(mi)(mi)(mi)(mi)；最(zui)高氣(qi)溫(wen)41.9攝(she)氏(shi)度(du)，最(zui)低氣(qi)溫(wen)-11.9攝(she)氏(shi)度(du)；多(duo)(duo)(duo)年(nian)平(ping)(ping)均(jun)(jun)風(feng)速(su)1.1米(mi)(mi)(mi)(mi)(mi)(mi)(mi)每(mei)秒(miao)，最(zui)大(da)風(feng)速(su)16米(mi)(mi)(mi)(mi)(mi)(mi)(mi)每(mei)秒(miao)。水(shui)(shui)(shui)(shui)庫(ku)多(duo)(duo)(duo)年(nian)平(ping)(ping)均(jun)(jun)年(nian)來水(shui)(shui)(shui)(shui)量16.6億立方(fang)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)，多(duo)(duo)(duo)年(nian)平(ping)(ping)均(jun)(jun)流(liu)(liu)量52.5立方(fang)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)每(mei)秒(miao)，實測最(zui)大(da)流(liu)(liu)量4720立方(fang)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)每(mei)秒(miao)(1958年(nian)7月17日)，歷史最(zui)大(da)流(liu)(liu)量7410立方(fang)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)每(mei)秒(miao)；多(duo)(duo)(duo)年(nian)平(ping)(ping)均(jun)(jun)含沙量4.18千(qian)(qian)(qian)克(ke)每(mei)立方(fang)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)，年(nian)輸沙量693萬噸(dun)。陡嶺(ling)(ling)子(zi)水(shui)(shui)(shui)(shui)庫(ku)屬年(nian)調節(jie)水(shui)(shui)(shui)(shui)庫(ku)，正常蓄水(shui)(shui)(shui)(shui)位264米(mi)(mi)(mi)(mi)(mi)(mi)(mi)，死(si)水(shui)(shui)(shui)(shui)位242米(mi)(mi)(mi)(mi)(mi)(mi)(mi)，設計洪水(shui)(shui)(shui)(shui)位266.41米(mi)(mi)(mi)(mi)(mi)(mi)(mi)，校核洪水(shui)(shui)(shui)(shui)位274.45米(mi)(mi)(mi)(mi)(mi)(mi)(mi)；總庫(ku)容4.842億立方(fang)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)，其中調洪庫(ku)容1.352億立方(fang)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)，興利庫(ku)容2.09億立方(fang)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)，死(si)庫(ku)容1.4億立方(fang)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)。水(shui)(shui)(shui)(shui)庫(ku)為(wei)河(he)(he)道型水(shui)(shui)(shui)(shui)庫(ku)，水(shui)(shui)(shui)(shui)面(mian)面(mian)積13.04平(ping)(ping)方(fang)千(qian)(qian)(qian)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)，回(hui)水(shui)(shui)(shui)(shui)長44.5千(qian)(qian)(qian)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)。?

水庫樞紐工程

水(shui)庫樞紐工程(cheng)(cheng)由大壩(ba)、溢(yi)(yi)洪(hong)(hong)道、泄(xie)洪(hong)(hong)洞(dong)(dong)(dong)、發電(dian)引水(shui)隧(sui)洞(dong)(dong)(dong)、電(dian)廠(chang)和升(sheng)壓站(zhan)組(zu)成。大壩(ba)為(wei)(wei)鋼筋混凝土面(mian)板(ban)砂礫(li)堆石壩(ba)-壩(ba)頂高(gao)(gao)程(cheng)(cheng)275米(mi)，最大壩(ba)高(gao)(gao)85.5米(mi)，壩(ba)軸線(xian)長338.5米(mi)；溢(yi)(yi)洪(hong)(hong)道為(wei)(wei)河(he)岸開敞式(shi)，堰(yan)頂高(gao)(gao)程(cheng)(cheng)250米(mi)，孔(kong)數3孔(kong)，單寬(kuan)流(liu)(liu)量132.7立(li)方(fang)米(mi)每秒；泄(xie)洪(hong)(hong)洞(dong)(dong)(dong)為(wei)(wei)深(shen)式(shi)進(jin)(jin)水(shui)孔(kong)；引水(shui)發電(dian)隧(sui)洞(dong)(dong)(dong)為(wei)(wei)豎井進(jin)(jin)口閘(zha)門式(shi)，隧(sui)洞(dong)(dong)(dong)洞(dong)(dong)(dong)徑5.9米(mi)，隧(sui)洞(dong)(dong)(dong)長242.53米(mi)，引水(shui)流(liu)(liu)量133.41立(li)方(fang)米(mi)每秒；廠(chang)房為(wei)(wei)引水(shui)地面(mian)式(shi)，安裝3臺單機(ji)容量為(wei)(wei)2萬千瓦的水(shui)輪(lun)發電(dian)機(ji)組(zu)，布(bu)置有110千伏和35千伏兩(liang)個電(dian)壓等級的升(sheng)壓站(zhan)。

水庫效益

水(shui)(shui)庫以發電為主(zhu)，兼有灌(guan)溉(gai)、水(shui)(shui)產養殖等功能。電站裝機容量7.05萬千(qian)(qian)瓦，保證(zheng)出力1.23萬千(qian)(qian)瓦，多年平均發電量2.12億千(qian)(qian)瓦時；設計(ji)灌(guan)溉(gai)面(mian)積12.9萬畝(mu)，解決3萬人飲用水(shui)(shui)；可(ke)養殖水(shui)(shui)面(mian)13.04平方千(qian)(qian)米；可(ke)通航40千(qian)(qian)米：另外，水(shui)(shui)庫距襄渝(yu)鐵路、漢江航道10千(qian)(qian)米，為其下(xia)游防洪起到(dao)了保護作用。水(shui)(shui)庫移民5074人，淹沒耕地(di)412.5公頃。