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水庫概況

水(shui)(shui)(shui)(shui)(shui)庫(ku)是天臺(tai)山國(guo)家級風(feng)景(jing)名勝"十大(da)風(feng)景(jing)"之(zhi)一(yi)，也是天臺(tai)縣(xian)工(gong)(gong)農業生(sheng)產的(de)命(ming)脈(mo)．水(shui)(shui)(shui)(shui)(shui)庫(ku)始建(jian)于(yu)1973年(nian)5月，工(gong)(gong)程(cheng)由省水(shui)(shui)(shui)(shui)(shui)電(dian)(dian)(dian)設(she)(she)計(ji)院(yuan)設(she)(she)計(ji)，省水(shui)(shui)(shui)(shui)(shui)電(dian)(dian)(dian)建(jian)筑(zhu)(zhu)第(di)二(er)工(gong)(gong)程(cheng)處自營施(shi)工(gong)(gong)，于(yu)1979年(nian)11月竣工(gong)(gong)，工(gong)(gong)程(cheng)總投(tou)資2754萬(wan)元．1981年(nian)獲國(guo)家優秀設(she)(she)計(ji)獎(jiang)，1982年(nian)獲國(guo)家優質工(gong)(gong)程(cheng)銀質獎(jiang)。水(shui)(shui)(shui)(shui)(shui)庫(ku)樞(shu)紐由攔(lan)河大(da)壩(ba)(ba)(ba)(ba)(ba)、引水(shui)(shui)(shui)(shui)(shui)發(fa)(fa)電(dian)(dian)(dian)隧(sui)洞(dong)、發(fa)(fa)電(dian)(dian)(dian)廠(chang)房、升壓站(zhan)等組(zu)成。攔(lan)河大(da)壩(ba)(ba)(ba)(ba)(ba)為(wei)變半徑變中心角混凝土雙曲(qu)拱壩(ba)(ba)(ba)(ba)(ba)，壩(ba)(ba)(ba)(ba)(ba)高74.3米(mi)(mi)(mi)(mi)(mi)(mi)，壩(ba)(ba)(ba)(ba)(ba)頂(ding)高程(cheng)186.3米(mi)(mi)(mi)(mi)(mi)(mi)（吳淞高程(cheng)系,下(xia)同(tong)）,壩(ba)(ba)(ba)(ba)(ba)頂(ding)弧(hu)長(chang)265米(mi)(mi)(mi)(mi)(mi)(mi). 最大(da)壩(ba)(ba)(ba)(ba)(ba)厚15.5米(mi)(mi)(mi)(mi)(mi)(mi).采用壩(ba)(ba)(ba)(ba)(ba)頂(ding)泄洪(hong)(hong)流量5730立(li)(li)方(fang)(fang)米(mi)(mi)(mi)(mi)(mi)(mi)每秒;右(you)岸17壩(ba)(ba)(ba)(ba)(ba)段(duan),設(she)(she)3*3米(mi)(mi)(mi)(mi)(mi)(mi)泄洪(hong)(hong)孔1個;大(da)壩(ba)(ba)(ba)(ba)(ba)6,12,18三個壩(ba)(ba)(ba)(ba)(ba)段(duan)設(she)(she)有(you)觀(guan)測大(da)壩(ba)(ba)(ba)(ba)(ba)變形的(de)裝置;大(da)壩(ba)(ba)(ba)(ba)(ba)下(xia)游(you)700米(mi)(mi)(mi)(mi)(mi)(mi)處建(jian)二(er)道(dao)拱壩(ba)(ba)(ba)(ba)(ba)1座;水(shui)(shui)(shui)(shui)(shui)庫(ku)上游(you)庫(ku)區有(you)林(lin)場和(he)漁場,管理(li)3萬(wan)畝山林(lin)和(he)6730畝水(shui)(shui)(shui)(shui)(shui)面。壩(ba)(ba)(ba)(ba)(ba)址以上集水(shui)(shui)(shui)(shui)(shui)面積296平方(fang)(fang)公里，總庫(ku)容1.99億立(li)(li)方(fang)(fang)米(mi)(mi)(mi)(mi)(mi)(mi)，正常(chang)庫(ku)容1.22億立(li)(li)方(fang)(fang)米(mi)(mi)(mi)(mi)(mi)(mi)。防(fang)洪(hong)(hong)庫(ku)容0.77億立(li)(li)方(fang)(fang)米(mi)(mi)(mi)(mi)(mi)(mi)，灌(guan)溉發(fa)(fa)電(dian)(dian)(dian)庫(ku)容0.91億立(li)(li)方(fang)(fang)米(mi)(mi)(mi)(mi)(mi)(mi)，正常(chang)水(shui)(shui)(shui)(shui)(shui)位(wei)176.04米(mi)(mi)(mi)(mi)(mi)(mi)，死水(shui)(shui)(shui)(shui)(shui)位(wei)156.04米(mi)(mi)(mi)(mi)(mi)(mi)，保(bao)壩(ba)(ba)(ba)(ba)(ba)校核(he)洪(hong)(hong)水(shui)(shui)(shui)(shui)(shui)位(wei)186.34米(mi)(mi)(mi)(mi)(mi)(mi)，下(xia)游(you)防(fang)洪(hong)(hong)設(she)(she)計(ji)標準為(wei)20年(nian)一(yi)遇，壩(ba)(ba)(ba)(ba)(ba)高70米(mi)(mi)(mi)(mi)(mi)(mi)，壩(ba)(ba)(ba)(ba)(ba)頂(ding)寬4米(mi)(mi)(mi)(mi)(mi)(mi)，壩(ba)(ba)(ba)(ba)(ba)底寬15.5米(mi)(mi)(mi)(mi)(mi)(mi)，澆筑(zhu)(zhu)混凝土12萬(wan)立(li)(li)方(fang)(fang)米(mi)(mi)(mi)(mi)(mi)(mi)，北干(gan)渠(qu)全(quan)長(chang)達72.26公里。

灌溉防洪

水庫已灌(guan)溉為主，庫區年(nian)來水量3.3億立方米，承擔了(le)始豐溪兩(liang)岸18萬畝(mu)農田的(de)灌(guan)溉任務(wu)，實際受(shou)益面(mian)積16.64萬畝(mu)，占全縣農田面(mian)積的(de)62.5%，設(she)計灌(guan)溉保證率90%，水庫干流總長35.2公里，結合防洪(hong)、發電(dian)(dian)。設(she)計灌(guan)溉面(mian)積20萬畝(mu)，防洪(hong)受(shou)益6.5萬畝(mu)，結合灌(guan)溉放水建6000千瓦電(dian)(dian)站1座，平均年(nian)發電(dian)(dian)量2480萬千瓦時(shi)。

水庫灌(guan)區(qu)干渠總長95.3公里，其中北干渠西(xi)起西(xi)頭陳，東抵(di)洪(hong)疇村，全(quan)長71.7公里，是天臺(tai)縣農田灌(guan)溉主動脈，渠首設計流量13.82立方米每秒。

里(li)石(shi)門水庫灌溉(gai)面(mian)積占全縣耕(geng)地62%的灌區(qu)16畝農田,抗旱(han)(han)能力提高到70多(duo)天,大(da)旱(han)(han)保收,使本縣糧食(shi)年年增產(chan),自給有余,防(fang)洪面(mian)積6.5萬(wan)畝,保護沿溪(xi)兩岸人(ren)口30萬(wan)人(ren),減輕臨(lin)海市(shi)16萬(wan)畝澇災,已(yi)攔蓄13次(ci)較大(da)洪峰,已(yi)開墾利(li)用灘地一(yi)萬(wan)余畝.灌溉(gai)防(fang)洪效益已(yi)達5.1億元。

水庫經濟

庫渠(qu)道(dao)有(you)總裝機8505千(qian)瓦的(de)5座電站已(yi)(yi)發電超(chao)過5億度.水庫養魚6730畝(mu),年產魚100噸(dun).庫區2.9萬(wan)畝(mu)山林經封山育林后木材蓄積(ji)量已(yi)(yi)達(da)7萬(wan)立方(fang)米,已(yi)(yi)營造各(ge)種(zhong)喬木,柑橘和(he)茶(cha)葉等(deng)經濟(ji)林1700畝(mu).水利(li)經濟(ji)和(he)各(ge)項建設管理(li)等(deng)已(yi)(yi)取得(de)了豐碩成果。

愛國主義教育基地

里石門水庫始建于1973年(nian)5月，總投(tou)資(zi)2754萬元(yuan)，除國家撥款570萬元(yuan)外，其余經費(fei)均由縣里自籌解決。天(tian)臺(tai)人民發揚(yang)自力更生、艱苦奮斗(dou)的創業精(jing)神，7952位民工(gong)(gong)、8371位職工(gong)(gong)自帶工(gong)(gong)具、風餐露宿，日夜奮戰在施(shi)工(gong)(gong)現場，克服了無數難以想象的困難，把昔日荒涼的山(shan)溝改變成為一座(zuo)雄偉壯(zhuang)麗(li)的水利工(gong)(gong)程(cheng)。自1995年(nian)被(bei)臺(tai)州市委、市人民政府確(que)定為首批愛國主義教(jiao)育(yu)基地(di)。