水庫簡介
大壩在鄖(yun)西(xi)(xi)縣夾河鎮(zhen)陡(dou)嶺(ling)(ling)子村,東距(ju)十堰市區(qu)(qu)120千(qian)米(mi)(mi)(mi)(mi),南(nan)距(ju)河口夾河鎮(zhen)約10千(qian)米(mi)(mi)(mi)(mi),控制流(liu)域面(mian)(mian)積(ji)5611平(ping)(ping)方(fang)(fang)千(qian)米(mi)(mi)(mi)(mi)。水(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)所在流(liu)域為秦嶺(ling)(ling)南(nan)部,武當山以(yi)(yi)北(bei),屬(shu)于山區(qu)(qu)。地形總(zong)趨勢西(xi)(xi)北(bei)高、東南(nan)低,一般高程500~700米(mi)(mi)(mi)(mi),河床最(zui)低高程190米(mi)(mi)(mi)(mi),河谷深切,邊坡陡(dou)峭,多(duo)呈V形或(huo)U形峽(xia)谷,兩岸溝壑縱橫,地表(biao)水(shui)(shui)(shui)(shui)系發(fa)育,坡岸植被稀疏、巖石裸露,庫(ku)(ku)(ku)段內河流(liu)發(fa)育有三級階地,屬(shu)秦嶺(ling)(ling)褶(zhe)皺(zhou)系的二級構(gou)造(zao),以(yi)(yi)東西(xi)(xi)向(xiang)和北(bei)西(xi)(xi)向(xiang)構(gou)造(zao)體系為主。壩區(qu)(qu)處于鄖(yun)西(xi)(xi)帚狀(zhuang)構(gou)造(zao)帶發(fa)散端,地質構(gou)造(zao)比較簡單(dan),以(yi)(yi)斷裂構(gou)造(zao)為主,褶(zhe)皺(zhou)主要表(biao)現為巖層次一級柔(rou)皺(zhou)。庫(ku)(ku)(ku)區(qu)(qu)位(wei)(wei)于鄂西(xi)(xi)北(bei)大山區(qu)(qu),水(shui)(shui)(shui)(shui)汽入流(liu)受(shou)阻,不受(shou)臺風影響。雨量(liang)(liang)偏少,多(duo)年(nian)(nian)(nian)(nian)(nian)平(ping)(ping)均年(nian)(nian)(nian)(nian)(nian)降水(shui)(shui)(shui)(shui)量(liang)(liang)849毫(hao)(hao)米(mi)(mi)(mi)(mi),多(duo)年(nian)(nian)(nian)(nian)(nian)平(ping)(ping)均年(nian)(nian)(nian)(nian)(nian)蒸發(fa)量(liang)(liang)919.6毫(hao)(hao)米(mi)(mi)(mi)(mi);最(zui)高氣溫41.9攝氏(shi)(shi)度,最(zui)低氣溫-11.9攝氏(shi)(shi)度;多(duo)年(nian)(nian)(nian)(nian)(nian)平(ping)(ping)均風速1.1米(mi)(mi)(mi)(mi)每(mei)(mei)(mei)秒(miao),最(zui)大風速16米(mi)(mi)(mi)(mi)每(mei)(mei)(mei)秒(miao)。水(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)多(duo)年(nian)(nian)(nian)(nian)(nian)平(ping)(ping)均年(nian)(nian)(nian)(nian)(nian)來水(shui)(shui)(shui)(shui)量(liang)(liang)16.6億(yi)(yi)立(li)(li)(li)方(fang)(fang)米(mi)(mi)(mi)(mi),多(duo)年(nian)(nian)(nian)(nian)(nian)平(ping)(ping)均流(liu)量(liang)(liang)52.5立(li)(li)(li)方(fang)(fang)米(mi)(mi)(mi)(mi)每(mei)(mei)(mei)秒(miao),實測最(zui)大流(liu)量(liang)(liang)4720立(li)(li)(li)方(fang)(fang)米(mi)(mi)(mi)(mi)每(mei)(mei)(mei)秒(miao)(1958年(nian)(nian)(nian)(nian)(nian)7月17日),歷史(shi)最(zui)大流(liu)量(liang)(liang)7410立(li)(li)(li)方(fang)(fang)米(mi)(mi)(mi)(mi)每(mei)(mei)(mei)秒(miao);多(duo)年(nian)(nian)(nian)(nian)(nian)平(ping)(ping)均含沙量(liang)(liang)4.18千(qian)克(ke)每(mei)(mei)(mei)立(li)(li)(li)方(fang)(fang)米(mi)(mi)(mi)(mi),年(nian)(nian)(nian)(nian)(nian)輸沙量(liang)(liang)693萬噸。陡(dou)嶺(ling)(ling)子水(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)屬(shu)年(nian)(nian)(nian)(nian)(nian)調節水(shui)(shui)(shui)(shui)庫(ku)(ku)(ku),正常蓄水(shui)(shui)(shui)(shui)位(wei)(wei)264米(mi)(mi)(mi)(mi),死(si)水(shui)(shui)(shui)(shui)位(wei)(wei)242米(mi)(mi)(mi)(mi),設計洪(hong)水(shui)(shui)(shui)(shui)位(wei)(wei)266.41米(mi)(mi)(mi)(mi),校核洪(hong)水(shui)(shui)(shui)(shui)位(wei)(wei)274.45米(mi)(mi)(mi)(mi);總(zong)庫(ku)(ku)(ku)容(rong)4.842億(yi)(yi)立(li)(li)(li)方(fang)(fang)米(mi)(mi)(mi)(mi),其(qi)中調洪(hong)庫(ku)(ku)(ku)容(rong)1.352億(yi)(yi)立(li)(li)(li)方(fang)(fang)米(mi)(mi)(mi)(mi),興利庫(ku)(ku)(ku)容(rong)2.09億(yi)(yi)立(li)(li)(li)方(fang)(fang)米(mi)(mi)(mi)(mi),死(si)庫(ku)(ku)(ku)容(rong)1.4億(yi)(yi)立(li)(li)(li)方(fang)(fang)米(mi)(mi)(mi)(mi)。水(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)為河道型水(shui)(shui)(shui)(shui)庫(ku)(ku)(ku),水(shui)(shui)(shui)(shui)面(mian)(mian)面(mian)(mian)積(ji)13.04平(ping)(ping)方(fang)(fang)千(qian)米(mi)(mi)(mi)(mi),回水(shui)(shui)(shui)(shui)長44.5千(qian)米(mi)(mi)(mi)(mi)。?
水庫樞紐工程
水(shui)庫樞紐工(gong)程(cheng)由大(da)(da)壩(ba)(ba)、溢洪道、泄(xie)洪洞(dong)(dong)、發(fa)電引水(shui)隧洞(dong)(dong)、電廠和(he)(he)升壓站組(zu)成。大(da)(da)壩(ba)(ba)為(wei)鋼筋混凝土面板(ban)砂礫堆石壩(ba)(ba)-壩(ba)(ba)頂高程(cheng)275米(mi)(mi)(mi),最大(da)(da)壩(ba)(ba)高85.5米(mi)(mi)(mi),壩(ba)(ba)軸線長338.5米(mi)(mi)(mi);溢洪道為(wei)河岸開敞式,堰頂高程(cheng)250米(mi)(mi)(mi),孔數3孔,單寬(kuan)流量132.7立方米(mi)(mi)(mi)每秒;泄(xie)洪洞(dong)(dong)為(wei)深式進(jin)(jin)水(shui)孔;引水(shui)發(fa)電隧洞(dong)(dong)為(wei)豎井進(jin)(jin)口閘門式,隧洞(dong)(dong)洞(dong)(dong)徑5.9米(mi)(mi)(mi),隧洞(dong)(dong)長242.53米(mi)(mi)(mi),引水(shui)流量133.41立方米(mi)(mi)(mi)每秒;廠房為(wei)引水(shui)地面式,安裝3臺(tai)單機容量為(wei)2萬千瓦的(de)水(shui)輪(lun)發(fa)電機組(zu),布置有110千伏(fu)和(he)(he)35千伏(fu)兩個(ge)電壓等(deng)級(ji)的(de)升壓站。
水庫效益
水(shui)庫(ku)以發(fa)電(dian)為主,兼有(you)灌(guan)溉(gai)、水(shui)產養殖等功能。電(dian)站裝機(ji)容量7.05萬(wan)(wan)千(qian)瓦(wa),保證(zheng)出力1.23萬(wan)(wan)千(qian)瓦(wa),多年平均發(fa)電(dian)量2.12億千(qian)瓦(wa)時;設計灌(guan)溉(gai)面積12.9萬(wan)(wan)畝,解決3萬(wan)(wan)人飲用水(shui);可(ke)養殖水(shui)面13.04平方千(qian)米(mi);可(ke)通航(hang)40千(qian)米(mi):另外,水(shui)庫(ku)距襄渝(yu)鐵(tie)路、漢江(jiang)航(hang)道(dao)10千(qian)米(mi),為其下游防(fang)洪起(qi)到(dao)了保護(hu)作用。水(shui)庫(ku)移民5074人,淹沒耕(geng)地(di)412.5公(gong)頃(qing)。