簡介
羊(yang)毛(mao)灣(wan)水(shui)(shui)庫(ku)壩(ba)址以上(shang)控制流域面(mian)積(ji)1100km,屬黃土丘陵(ling)溝壑區。多(duo)年(nian)平均年(nian)徑流量8515萬(wan)立(li)方(fang)(fang)米(mi)(mi)(mi)(1952—1986年(nian)),最(zui)大21338萬(wan)立(li)方(fang)(fang)米(mi)(mi)(mi),最(zui)小3849萬(wan)立(li)方(fang)(fang)米(mi)(mi)(mi)。實測最(zui)大洪水(shui)(shui)流量為825立(li)方(fang)(fang)米(mi)(mi)(mi)/秒(1954年(nian)8月),由公元836年(nian)洪水(shui)(shui)(麟游調查)推(tui)算壩(ba)址歷史洪水(shui)(shui)為4200立(li)方(fang)(fang)米(mi)(mi)(mi)/秒. 由于灌區農業生產受于旱威脅(xie)最(zui)為嚴重(zhong),地多(duo)水(shui)(shui)少,供需矛盾突出(chu),故羊(yang)毛(mao)灣(wan)水(shui)(shui)庫(ku)規(gui)劃(hua)系(xi)多(duo)年(nian)調節(jie),確(que)定死(si)水(shui)(shui)位620m(導渭(wei)高程,下同,比黃海(hai)高程低(di)13.998m),正(zheng)常(chang)蓄水(shui)(shui)位635.9m,相(xiang)應死(si)庫(ku)容為1500萬(wan)立(li)方(fang)(fang)米(mi)(mi)(mi),有效庫(ku)容為5220萬(wan)立(li)方(fang)(fang)米(mi)(mi)(mi)。除險加固設計按2000年(nian)一遇(yu)(yu)洪水(shui)(shui)校(xiao)核滯洪庫(ku)容5280萬(wan)立(li)方(fang)(fang)米(mi)(mi)(mi)計,總(zong)庫(ku)容1.2億立(li)方(fang)(fang)米(mi)(mi)(mi) (原為500年(nian)一遇(yu)(yu)洪水(shui)(shui)校(xiao)核,總(zong)庫(ku)容1.07億立(li)方(fang)(fang)米(mi)(mi)(mi))。正(zheng)常(chang)蓄水(shui)(shui)位時,水(shui)(shui)庫(ku)回(hui)水(shui)(shui)長度7.3km,淹沒面(mian)積(ji)443萬(wan)平方(fang)(fang)米(mi)(mi)(mi),屬大(2)型工程。
水庫位(wei)(wei)于(yu)(yu)渭北(bei)蒲(pu)鳳(feng)大斷(duan)裂帶以北(bei)10km,壩(ba)址地段基底巖層(ceng)(ceng)為(wei)寒(han)武——奧陶系(xi)灰(hui)巖,上復第(di)三系(xi)紅(hong)土(tu)(tu)(tu)礫石(shi)層(ceng)(ceng),兩者為(wei)不(bu)整合接觸,頂(ding)部為(wei)第(di)四系(xi)砂(sha)卵石(shi)層(ceng)(ceng)、黃(huang)土(tu)(tu)(tu)狀壤土(tu)(tu)(tu)、古(gu)土(tu)(tu)(tu)壤夾層(ceng)(ceng)及黃(huang)土(tu)(tu)(tu)層(ceng)(ceng)所(suo)復蓋,灰(hui)巖中溶洞及裂隙發育。第(di)三系(xi)紅(hong)土(tu)(tu)(tu)礫石(shi)層(ceng)(ceng),巖性致密(mi)堅硬(ying),滲透系(xi)數(shu)0.22m/d,但由于(yu)(yu)河水浸(jin)蝕(shi),其在庫壩(ba)區的分布殘缺不(bu)全(quan),缺失部位(wei)(wei)均為(wei)水庫漏(lou)水通道。
羊毛(mao)(mao)灣水庫位于(yu)干縣石(shi)牛(niu)鄉羊毛(mao)(mao)灣村北的渭河支流(liu)漆水河上。壩址以(yi)上控(kong)制流(liu)域面積1100平方公里,多年(nian)平均徑流(liu)量0.85億立(li)方米(mi)。水庫按多年(nian)調節設(she)計,以(yi)灌溉為(wei)主(zhu),兼及防洪、養(yang)殖等。
水(shui)(shui)(shui)庫于(yu)1958年(nian)(nian)動工建(jian)設(she),歷經12年(nian)(nian),于(yu)1970年(nian)(nian)建(jian)成(cheng),先(xian)后于(yu)1986年(nian)(nian)、2000年(nian)(nian)兩次對羊(yang)(yang)毛灣水(shui)(shui)(shui)庫進(jin)行除險加固。為補充(chong)水(shui)(shui)(shui)庫水(shui)(shui)(shui)源,于(yu)1995年(nian)(nian)建(jian)成(cheng)“引馮濟羊(yang)(yang)”輸水(shui)(shui)(shui)工程,每年(nian)(nian)可由(you)馮家山水(shui)(shui)(shui)庫向羊(yang)(yang)毛灣水(shui)(shui)(shui)庫輸水(shui)(shui)(shui)3000萬立方米,有(you)效解決水(shui)(shui)(shui)庫水(shui)(shui)(shui)源不足問題。
建設經過
1953年(nian),省(sheng)水(shui)(shui)(shui)利(li)廳(ting)(ting)局查勘隊提(ti)出(chu)程(cheng)家河、羊毛灣(wan)、紫石崖和鎮頭可建水(shui)(shui)(shui)庫(ku)(ku)的漆(qi)水(shui)(shui)(shui)河總(zong)體開(kai)發(fa)方(fang)案(an)。1958年(nian)9月(yue),省(sheng)水(shui)(shui)(shui)利(li)廳(ting)(ting)勘測設(she)計院提(ti)出(chu),《漆(qi)水(shui)(shui)(shui)河流(liu)域蓄水(shui)(shui)(shui)灌(guan)溉工(gong)(gong)程(cheng)規劃設(she)計》,11月(yue),省(sheng)地(di)質局水(shui)(shui)(shui)文地(di)質工(gong)(gong)程(cheng)大(da)隊完成《水(shui)(shui)(shui)庫(ku)(ku)壩址(zhi)及(ji)(ji)庫(ku)(ku)區工(gong)(gong)程(cheng)地(di)質勘察(cha)報告》。9月(yue)29日,省(sheng)水(shui)(shui)(shui)利(li)廳(ting)(ting)廳(ting)(ting)長(chang)(chang)管建勛在干縣(xian)召(zhao)開(kai)干縣(xian)、永(yong)壽(shou)、扶風、麟游(you)、武(wu)功5縣(xian)縣(xian)長(chang)(chang)會議,經過座談討(tao)論,決定先(xian)修(xiu)羊毛灣(wan)水(shui)(shui)(shui)庫(ku)(ku),成立了由干縣(xian)副縣(xian)長(chang)(chang)張(zhang)振華任(ren)主(zhu)任(ren),農(nong)工(gong)(gong)部長(chang)(chang)屈軍、省(sheng)水(shui)(shui)(shui)利(li)廳(ting)(ting)工(gong)(gong)程(cheng)師(shi)董(dong)玉璋任(ren)副主(zhu)任(ren)的羊毛灣(wan)水(shui)(shui)(shui)利(li)工(gong)(gong)程(cheng)施工(gong)(gong)委員會(1959年(nian)改(gai)為羊毛灣(wan)水(shui)(shui)(shui)利(li)工(gong)(gong)程(cheng)局),省(sheng)水(shui)(shui)(shui)利(li)廳(ting)(ting)工(gong)(gong)程(cheng)師(shi)董(dong)玉璋、技(ji)術(shu)員孫敖大(da)、張(zhang)天祥等常駐工(gong)(gong)地(di)負責工(gong)(gong)程(cheng)設(she)計及(ji)(ji)施工(gong)(gong)。
1960年(nian)3月,在省水(shui)(shui)(shui)利廳勘測設計院、水(shui)(shui)(shui)科所(suo)、西北農學院、陜西工(gong)(gong)業大學和(he)省水(shui)(shui)(shui)校派(pai)出的工(gong)(gong)作(zuo)組、實習學生的配合下(xia),完成(cheng)了(le)《羊(yang)毛灣水(shui)(shui)(shui)庫灌溉工(gong)(gong)程初步設計》,1961年(nian)冬,基(ji)(ji)本完成(cheng)了(le)道路、施工(gong)(gong)導(dao)流、大壩(ba)基(ji)(ji)礎、截流槽開挖、輸水(shui)(shui)(shui)洞(dong)(dong)、泄水(shui)(shui)(shui)底洞(dong)(dong)的開挖和(he)部分襯砌。1962年(nian)春,工(gong)(gong)程在壓縮基(ji)(ji)建(jian)戰線中停(ting)建(jian)。
1965年,陜西省長李啟明和省水利廳副廳長于澄世到羊毛灣工地視察,研究討論了工程復工有關準備工作,并納入省基建項目,1966年10月恢復建設。施工期間,先后負責施工的領導有崔發源、陳尚志、劉文儒、康見聞、杜文秀、張俊中(zhong)等。全縣(xian)(xian)除集中(zhong)3萬多勞力,省水(shui)電工(gong)(gong)程(cheng)(cheng)(cheng)局機械施工(gong)(gong)隊(dui)承擔大(da)(da)壩(ba)建設任(ren)務(wu),1968年(nian)(nian)12月(yue)大(da)(da)專院(yuan)校300余名待分配學(xue)生參(can)加工(gong)(gong)程(cheng)(cheng)(cheng)建設2年(nian)(nian)。1970年(nian)(nian)元(yuan)月(yue),縣(xian)(xian)革委(wei)會(hui)主任(ren)吳維(wei)錄帶領全縣(xian)(xian)3200多名干部、教師,背著(zhu)行裝赴工(gong)(gong)地(di),突(tu)擊(ji)大(da)(da)壩(ba)最后6米的填筑工(gong)(gong)程(cheng)(cheng)(cheng)。至(zhi)1970年(nian)(nian)3月(yue)完成了(le)包括大(da)(da)壩(ba)、輸(shu)水(shui)洞、溢(yi)洪(hong)道和泄水(shui)底洞的全部樞紐工(gong)(gong)程(cheng)(cheng)(cheng)施工(gong)(gong)任(ren)務(wu)。
除險加固
羊毛灣庫壩地段基(ji)(ji)底巖層(ceng)為寒武——奧陶系灰巖,上復第三系紅土(tu)(tu)礫石層(ceng)、第四系砂(sha)卵石層(ceng)、黃土(tu)(tu)狀(zhuang)壤(rang)土(tu)(tu)、黃土(tu)(tu)層(ceng)等,灰巖裂隙、溶(rong)洞(dong)發育,在(zai)庫區內(nei)諸多紅土(tu)(tu)缺(que)失(shi)區形成(cheng)漏(lou)水通道。故(gu)在(zai)水庫蓄(xu)水初期(qi)平均年(nian)漏(lou)水量高達0.4億立方米,為年(nian)徑流(liu)量的一半。工程標準偏低(di),質(zhi)量不(bu)高,隱患層(ceng)出(chu)不(bu)窮,主要(yao)建筑物(wu)沉降、裂縫(feng)、變(bian)形、滲漏(lou)等現象普遍而(er)嚴重(zhong)。底洞(dong)水流(liu)紊亂,振動聲(sheng)遠(yuan)聞10里開(kai)外(wai)(wai);溢洪(hong)道底板(ban)破碎,鼻坎基(ji)(ji)礎外(wai)(wai)露,達不(bu)到溢洪(hong)要(yao)求(qiu)。供電系統也與管(guan)理要(yao)求(qiu)不(bu)相適(shi)應。1986年(nian)5月被列為全(quan)國重(zhong)點(dian)病險(xian)庫。
從1986年(nian)起,陜西省(sheng)(sheng)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)利(li)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)土保(bao)持(chi)廳(ting)組織設(she)(she)(she)計(ji)、施(shi)工(gong)、管理部(bu)門多次(ci)對(dui)出現病害原因進行(xing)深入研(yan)究,并委(wei)托(tuo)南京水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)科院(yuan)、省(sheng)(sheng)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)科所等(deng)單(dan)位對(dui)工(gong)程地(di)質(zhi)、設(she)(she)(she)計(ji)、施(shi)工(gong)、原型觀測等(deng)資(zi)料(liao)進行(xing)整編,對(dui)病害部(bu)位進行(xing)探查和(he)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)工(gong)模(mo)型試驗(yan),委(wei)托(tuo)省(sheng)(sheng)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)電(dian)勘測設(she)(she)(she)計(ji)院(yuan)作(zuo)除(chu)險(xian)(xian)加(jia)(jia)固(gu)(gu)(gu)設(she)(she)(she)計(ji),1986年(nian)6月(yue)(yue)對(dui)初步設(she)(she)(she)計(ji)進行(xing)審查后,確定了加(jia)(jia)固(gu)(gu)(gu)工(gong)程內容。1987年(nian)3月(yue)(yue),干縣(xian)人(ren)民政府成(cheng)立了以(yi)主(zhu)管副縣(xian)長(chang)(chang)李成(cheng)虎任組長(chang)(chang)、縣(xian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)利(li)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)保(bao)局副局長(chang)(chang)宋(song)希科任副組長(chang)(chang)的(de)(de)除(chu)險(xian)(xian)加(jia)(jia)固(gu)(gu)(gu)領導小組,開(kai)始(shi)進行(xing)除(chu)險(xian)(xian)加(jia)(jia)固(gu)(gu)(gu)的(de)(de)準(zhun)備工(gong)作(zuo)。1988年(nian)3月(yue)(yue)25日(ri)~30日(ri),省(sheng)(sheng)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)利(li)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)土保(bao)持(chi)廳(ting)和(he)省(sheng)(sheng)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)利(li)學會邀請全(quan)國(guo)有(you)關科研(yan)、設(she)(she)(she)計(ji)、施(shi)工(gong)、管理和(he)高等(deng)院(yuan)校的(de)(de)92名專家、學者,在西安(an)召(zhao)開(kai)了羊毛灣(wan)(wan)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)庫大(da)壩工(gong)程安(an)全(quan)論證會,認(ren)為大(da)壩穩(wen)定有(you)足夠的(de)(de)安(an)全(quan)系數(shu),但變形還未穩(wen)定,有(you)可能再次(ci)出現裂(lie)縫、塌坑等(deng)問題(ti)。除(chu)險(xian)(xian)加(jia)(jia)固(gu)(gu)(gu)施(shi)工(gong)從1985年(nian)9月(yue)(yue)開(kai)始(shi),先(xian)后由省(sheng)(sheng)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)電(dian)工(gong)程局二、三工(gong)程處(chu)、省(sheng)(sheng)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)電(dian)勘測設(she)(she)(she)計(ji)院(yuan)地(di)質(zhi)總隊、干縣(xian)電(dian)力局勞動服務公司(si)、上海海洋水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下工(gong)程公司(si)等(deng),完(wan)成(cheng)了輸(shu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)洞和(he)泄水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)底洞改建(jian)安(an)裝、溢洪道(dao)改建(jian)加(jia)(jia)固(gu)(gu)(gu)、大(da)壩原形觀測設(she)(she)(she)施(shi)布設(she)(she)(she)、10千(qian)伏輸(shu)電(dian)線路架(jia)設(she)(she)(she)和(he)漏水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)部(bu)位水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下封堵工(gong)程等(deng),1989年(nian)11月(yue)(yue)全(quan)部(bu)竣(jun)工(gong),達到除(chu)險(xian)(xian)加(jia)(jia)固(gu)(gu)(gu)設(she)(she)(she)計(ji)要求。1990年(nian)11月(yue)(yue)6日(ri)~8日(ri),省(sheng)(sheng)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)利(li)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)土保(bao)持(chi)廳(ting)組成(cheng)以(yi)副廳(ting)長(chang)(chang)焦(jiao)居仁(ren)為主(zhu)任委(wei)員(yuan)的(de)(de)驗(yan)收(shou)(shou)委(wei)員(yuan)會,在咸陽(yang)市(shi)召(zhao)開(kai)了羊毛灣(wan)(wan)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)庫除(chu)險(xian)(xian)加(jia)(jia)固(gu)(gu)(gu)竣(jun)工(gong)驗(yan)收(shou)(shou)會,認(ren)為工(gong)程設(she)(she)(she)計(ji)合(he)理,施(shi)工(gong)符(fu)合(he)要求,工(gong)程質(zhi)量優良,初期(qi)運(yun)行(xing)安(an)全(quan)可靠,同意(yi)竣(jun)工(gong)驗(yan)收(shou)(shou),并上報水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)利(li)部(bu)摘掉病險(xian)(xian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)庫帽子(zi)。
羊(yang)毛灣水庫工程(cheng)累計投(tou)資1916萬(wan)(wan)元,其(qi)中開工投(tou)資143.4萬(wan)(wan)元,第(di)二次建(jian)設投(tou)資1025萬(wan)(wan)元(國家投(tou)資652.6萬(wan)(wan)元,集體自(zi)籌(chou)372.4萬(wan)(wan)元),除險(xian)加固投(tou)資747.63萬(wan)(wan)元,群眾投(tou)工1390萬(wan)(wan)工日。設施灌(guan)溉面積32.53萬(wan)(wan)畝,有(you)效灌(guan)溉面積24萬(wan)(wan)畝。水庫養魚年產量已突(tu)破1萬(wan)(wan)公斤(jin)。
灌溉范圍
羊(yang)毛灣水(shui)(shui)(shui)庫灌(guan)(guan)區(qu)(qu)管轄羊(yang)毛灣、老鴉咀(ju)、南溝及東(dong)、西芋村(cun)(cun)大、中、小型(xing)水(shui)(shui)(shui)庫共五座(zuo),其中老鴉咀(ju)水(shui)(shui)(shui)庫為中(二)型(xing)水(shui)(shui)(shui)庫,南溝、東(dong)、西芋村(cun)(cun)水(shui)(shui)(shui)庫為小型(xing)水(shui)(shui)(shui)庫。灌(guan)(guan)區(qu)(qu)主要灌(guan)(guan)溉干縣(xian)、武功、永(yong)壽3縣(xian)14個(ge)鄉鎮151個(ge)村(cun)(cun),設施(shi)灌(guan)(guan)溉面積32.54萬畝,有效灌(guan)(guan)溉面積24萬畝。灌(guan)(guan)區(qu)(qu)有總干渠(qu)一條(tiao)長39.7公(gong)里;南、北干渠(qu)兩條(tiao),全(quan)長13.1公(gong)里;支渠(qu)20條(tiao),全(quan)長106.6公(gong)里;斗渠(qu)366條(tiao),總長336公(gong)里。
灌區建設
羊毛灣水(shui)(shui)庫(ku)自建(jian)成(cheng)運(yun)行以(yi)來來,灌(guan)區(qu)先(xian)后完成(cheng)了(le)引馮濟(ji)羊輸水(shui)(shui)工(gong)(gong)程、病險水(shui)(shui)庫(ku)除險加固工(gong)(gong)程、國(guo)家大型商品糧基地項(xiang)(xiang)目(mu)(mu)(mu)(mu),實施了(le)灌(guan)區(qu)更(geng)新改造世行貸款項(xiang)(xiang)目(mu)(mu)(mu)(mu)、節水(shui)(shui)續建(jian)配(pei)套項(xiang)(xiang)目(mu)(mu)(mu)(mu)、病險水(shui)(shui)庫(ku)除險加固項(xiang)(xiang)目(mu)(mu)(mu)(mu)、庫(ku)區(qu)水(shui)(shui)保(bao)生(sheng)態治理項(xiang)(xiang)目(mu)(mu)(mu)(mu)等,先(xian)后爭(zheng)取計劃投資(zi)2億多元,使水(shui)(shui)庫(ku)樞(shu)紐和(he)灌(guan)區(qu)發(fa)生(sheng)了(le)顯著變化,同時促(cu)進了(le)灌(guan)區(qu)工(gong)(gong)、商、林、牧、漁的全面發(fa)展,取得了(le)良好的經濟(ji)效益(yi)和(he)社會效益(yi)。