建設沿革
于1959年(nian)曾一度開(kai)工建設,1961年(nian)因國家經(jing)濟困難下馬。1998年(nian)大(da)水(shui)后,再度被國務院及水(shui)利部、湖南(nan)省(sheng)領導提上(shang)議題, 2000年(nian)正式立項, 2004年(nian)2月8日正式開(kai)工,2008年(nian)12月電站機組并網(wang)投入(ru)商(shang)業化運(yun)營。
地理環境
庫(ku)區內山光(guang)水(shui)色秀麗(li)宜人,湖水(shui)清沏,湖面微(wei)波蕩漾,野鴨(ya)戲水(shui),白鷺飛掠,溢(yi)滿勃(bo)勃(bo)生機;兩岸(an)怪石嶙峋(xun),草茂(mao)樹豐。湖中有大(da)小幾十個半島(dao)(dao)或島(dao)(dao)嶼(yu),庫(ku)區形成水(shui)庫(ku)四(si)周群山環抱,森(sen)林茂(mao)密(mi),是一(yi)個山水(shui)相(xiang)映、島(dao)(dao)嶼(yu)棋布、峽谷幽長、環境(jing)優美的“千島(dao)(dao)湖”。據統計,庫(ku)區內有1075種(zhong)木(mu)本植(zhi)物,171種(zhong)陸生脊椎動(dong)物,89種(zhong)魚類。
工程特點
皂(zao)市(shi)水(shui)(shui)利樞紐位(wei)于澧(li)(li)(li)水(shui)(shui)流(liu)(liu)(liu)(liu)(liu)域的(de)(de)(de)支(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)渫(xie)(xie)水(shui)(shui)下游(you)河段(duan),距(ju)三江口約(yue)18Km(洪(hong)(hong)(hong)(hong)水(shui)(shui)傳播時(shi)(shi)(shi)間僅2小(xiao)時(shi)(shi)(shi))。澧(li)(li)(li)水(shui)(shui)上(shang)游(you)及(ji)(ji)其支(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)溇水(shui)(shui)、渫(xie)(xie)水(shui)(shui)上(shang)游(you)均處于長江流(liu)(liu)(liu)(liu)(liu)域最(zui)大的(de)(de)(de)五(wu)峰(feng)、鶴峰(feng)暴(bao)雨區,洪(hong)(hong)(hong)(hong)水(shui)(shui)匯(hui)集迅速,峰(feng)高勢(shi)猛,致(zhi)使(shi)澧(li)(li)(li)水(shui)(shui)流(liu)(liu)(liu)(liu)(liu)域特別(bie)是(shi)中下游(you)地(di)區洪(hong)(hong)(hong)(hong)澇災害頻繁(fan),對(dui)該地(di)區人(ren)民群眾的(de)(de)(de)生命財產安全(quan)造成極大的(de)(de)(de)威脅(xie),制(zhi)約(yue)了當地(di)社會經濟的(de)(de)(de)發展(zhan),防(fang)洪(hong)(hong)(hong)(hong)問題十分突出。澧(li)(li)(li)水(shui)(shui)流(liu)(liu)(liu)(liu)(liu)域規(gui)劃確定由溇水(shui)(shui)江埡(wu)、渫(xie)(xie)水(shui)(shui)皂(zao)市(shi)及(ji)(ji)澧(li)(li)(li)水(shui)(shui)干流(liu)(liu)(liu)(liu)(liu)宜沖(chong)橋等干支(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)水(shui)(shui)庫共同承擔(dan)澧(li)(li)(li)水(shui)(shui)流(liu)(liu)(liu)(liu)(liu)域17.7億(yi)立方米防(fang)洪(hong)(hong)(hong)(hong)庫容,其中皂(zao)市(shi)水(shui)(shui)庫承擔(dan)7.83億(yi)立方米,占44%,通過三庫聯合調度,可提(ti)高下游(you)松澧(li)(li)(li)地(di)區防(fang)洪(hong)(hong)(hong)(hong)標準,減輕澧(li)(li)(li)水(shui)(shui)尾閭地(di)區的(de)(de)(de)洪(hong)(hong)(hong)(hong)水(shui)(shui)災害和西洞庭湖的(de)(de)(de)防(fang)洪(hong)(hong)(hong)(hong)壓力。皂(zao)市(shi)水(shui)(shui)庫防(fang)洪(hong)(hong)(hong)(hong)庫容大,調度靈活、及(ji)(ji)時(shi)(shi)(shi)、可靠(kao),地(di)理位(wei)置優(you)越,是(shi)澧(li)(li)(li)水(shui)(shui)流(liu)(liu)(liu)(liu)(liu)域規(gui)劃確定的(de)(de)(de)流(liu)(liu)(liu)(liu)(liu)域防(fang)洪(hong)(hong)(hong)(hong)體系(xi)中的(de)(de)(de)重要(yao)骨干工程(cheng)。
根據皂(zao)市(shi)水(shui)庫(ku)需(xu)承(cheng)擔(dan)的(de)防(fang)(fang)洪(hong)(hong)(hong)任(ren)務,考(kao)(kao)慮(lv)澧(li)水(shui)流域梯級開發和盡量(liang)減少移民等因素(su),選定(ding)其特征水(shui)位(wei)(wei)為(wei):正常蓄水(shui)位(wei)(wei)140.0m,相(xiang)應庫(ku)容12億(yi)立(li)(li)(li)方米;防(fang)(fang)洪(hong)(hong)(hong)高水(shui)位(wei)(wei)和設計洪(hong)(hong)(hong)水(shui)位(wei)(wei)為(wei)143.56m,相(xiang)應庫(ku)容13.94億(yi)立(li)(li)(li)方米;校核洪(hong)(hong)(hong)水(shui)位(wei)(wei)144.5m,相(xiang)應庫(ku)容14.4億(yi)立(li)(li)(li)方米;防(fang)(fang)洪(hong)(hong)(hong)限制水(shui)位(wei)(wei)125.0m;死(si)水(shui)位(wei)(wei)112.0m。考(kao)(kao)慮(lv)到澧(li)水(shui)與長江干流洪(hong)(hong)(hong)水(shui)遭遇的(de)機率(lv)較多(duo),洪(hong)(hong)(hong)水(shui)地區組(zu)成復雜,在澧(li)水(shui)流域規劃(hua)確(que)定(ding)皂(zao)市(shi)承(cheng)擔(dan)7.83億(yi)m3防(fang)(fang)洪(hong)(hong)(hong)任(ren)務的(de)基(ji)礎上,將(jiang)壩高增加2m(壩頂高程由146m改為(wei)148m)以(yi)獲得1億(yi)立(li)(li)(li)方米庫(ku)容,作為(wei)稀遇超標準洪(hong)(hong)(hong)水(shui)的(de)防(fang)(fang)汛緊急(ji)備用(yong)庫(ku)容。
泄水建筑(zhu)物采(cai)用(yong)5個表(biao)(biao)孔(kong)(kong)、4個底(di)孔(kong)(kong)相間布置聯合泄洪,表(biao)(biao)孔(kong)(kong)堰(yan)中(zhong)(zhong)分縫,中(zhong)(zhong)墩厚度(du)9.5m。表(biao)(biao)孔(kong)(kong)堰(yan)頂(ding)高程(cheng)(cheng)124m,孔(kong)(kong)口尺(chi)寸(cun)(cun)11X19.5m。底(di)孔(kong)(kong)進口底(di)高程(cheng)(cheng)103m,孔(kong)(kong)口尺(chi)寸(cun)(cun)4.5X7.2m。消能(neng)建筑(zhu)物采(cai)用(yong)表(biao)(biao)孔(kong)(kong)寬尾墩、底(di)孔(kong)(kong)射(she)流低流消力(li)池型式(shi),消力(li)池底(di)高程(cheng)(cheng)58m,底(di)板厚3m,池長(chang)117m,底(di)部凈寬89m,廠(chang)壩導墻長(chang)149m。電站(zhan)廠(chang)房位于右岸采(cai)用(yong)壩后式(shi)方(fang)案,進水口底(di)高程(cheng)(cheng)96m,采(cai)用(yong)單(dan)管單(dan)機,裝機容(rong)量2X60MW。
壩下(xia)游右岸(an)水陽坪(ping)(ping)--鄧(deng)家嘴(zui)(zui)一帶(dai),存在(zai)水陽坪(ping)(ping)基巖古(gu)滑(hua)坡(po)體,其前緣(yuan)進(jin)一步解體形成鄧(deng)家嘴(zui)(zui)滑(hua)坡(po)體。現狀情(qing)況(kuang)下(xia),水陽坪(ping)(ping)古(gu)滑(hua)體基本處(chu)于穩(wen)定狀態,鄧(deng)家嘴(zui)(zui)處(chu)于臨界(jie)穩(wen)定狀態。考慮到(dao)上壩公路開挖和(he)今后泄流(liu)霧化(hua)等工(gong)況(kuang),且在(zai)導流(liu)洞出口一帶(dai)分布有金家溝崩(beng)坡(po)積體,對此(ci)均采取了(le)相應的工(gong)程(cheng)處(chu)理措施(shi),并設置(zhi)了(le)必要(yao)的觀(guan)測設施(shi)。
皂市水(shui)庫淹(yan)沒(mei)(mei)(mei)石門縣(xian)、慈利縣(xian)幅員(yuan)面積(ji)約(yue)(yue)54km,影響區為(wei)滑坡、孤島、失(shi)去生(sheng)產生(sheng)活(huo)條件的庫周地段(duan)、浸(jin)沒(mei)(mei)(mei)等。淹(yan)沒(mei)(mei)(mei)人口34570人;房屋(wu)總(zong)面積(ji)180.4萬平方米;耕園(yuan)地36991畝。水(shui)庫淹(yan)沒(mei)(mei)(mei)處理及移民(min)安(an)置補(bu)償(chang)靜態總(zong)投資共計約(yue)(yue)14億元,約(yue)(yue)占(zhan)設(she)計概算(suan)總(zong)投資的43%。
旅游開發
除了以皂市水利(li)樞紐(niu)工(gong)程(cheng)為依托(tuo)的自然風光,皂市水利(li)風景區的人(ren)文(wen)旅游資源(yuan)也(ye)相當(dang)豐(feng)富。
皂(zao)市(shi)水庫庫區歷史悠久,文(wen)(wen)化(hua)燦爛。聞(wen)名全國(guo)的古(gu)文(wen)(wen)化(hua)遺(yi)(yi)址(zhi)(zhi)有(you)兩處,一是(shi)燕爾洞(dong)猿人洞(dong)穴遺(yi)(yi)址(zhi)(zhi),出土(tu)了(le)(le)大(da)量(liang)的中國(guo)犀、劍齒象牙化(hua)石等人類(lei)伴生的動物化(hua)石標本(ben),屬新(xin)石器(qi)晚期的文(wen)(wen)化(hua)遺(yi)(yi)址(zhi)(zhi);一處是(shi)皂(zao)市(shi)新(xin)石器(qi)時代(dai)遺(yi)(yi)址(zhi)(zhi),出土(tu)文(wen)(wen)物以石器(qi)居多,這些文(wen)(wen)物距(ju)今已有(you)7000余年歷史,早于西(xi)安(an)半坡文(wen)(wen)化(hua)、河姆(mu)渡(du)文(wen)(wen)化(hua),是(shi)全國(guo)發現的新(xin)石器(qi)時代(dai)最早的文(wen)(wen)化(hua)之一。近年,在庫區上游維新(xin)鎮附近還發現了(le)(le)戰國(guo)古(gu)城遺(yi)(yi)址(zhi)(zhi),是(shi)當時一座具有(you)軍事性質的邊城。
目前(qian),皂市水庫淹沒(mei)線(xian)以下(xia)(xia)分布了各類型的(de)文物古(gu)跡(ji)共(gong)30處(chu),其中古(gu)遺址24處(chu),古(gu)墓群(qun)(葬(zang))4處(chu),古(gu)城址2處(chu),約占有(you)全(quan)縣文物單位的(de)28%。在年代(dai)上自3─4萬年前(qian)后舊石器(qi)時(shi)代(dai)下(xia)(xia)至漢(han)晉,延續時(shi)間長,特別是自新石器(qi)時(shi)代(dai)(距今4000年)往下(xia)(xia)中間沒(mei)有(you)缺(que)環,對(dui)研究長江流(liu)域的(de)文化歷(li)史有(you)重要(yao)的(de)價(jia)值(zhi)。