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基本介紹

眾(zhong)興水庫位于肥東縣城北(bei)(bei)15千米(mi)，東經117度26秒(miao)，北(bei)(bei)緯32度01秒(miao)，店埠河上游(you)，屬(shu)巢湖水系南淝河支流(liu)，是淠史杭灌區滁河干渠上的反調節(jie)水庫，控制流(liu)域面(mian)積114平方(fang)(fang)千米(mi)，總庫容9948萬立方(fang)(fang)米(mi)。樞紐工程由攔河壩，進(jin)水閘、節(jie)制閘、泄洪涵洞(dong)、非常溢洪道(dao)組成。

水(shui)(shui)(shui)庫樞紐設(she)計灌(guan)(guan)溉面積為上(shang)游提(ti)水(shui)(shui)(shui)灌(guan)(guan)溉的(de)(de)眾(zhong)(zhong)興站、高(gao)(gao)塘站31.44萬畝(mu)，滁(chu)河干渠自流(liu)灌(guan)(guan)溉4萬畝(mu)。年均農業(ye)(ye)灌(guan)(guan)溉水(shui)(shui)(shui)量達1937萬立(li)方(fang)米。同時，眾(zhong)(zhong)興水(shui)(shui)(shui)庫又承擔著(zhu)肥東縣(xian)(xian)城(cheng)和合(he)(he)(he)肥市(shi)龍崗工業(ye)(ye)區20萬居民的(de)(de)生活用水(shui)(shui)(shui)和合(he)(he)(he)肥二電(dian)廠，合(he)(he)(he)肥鐵路樞紐等(deng)工業(ye)(ye)企業(ye)(ye)供水(shui)(shui)(shui)任(ren)務，年均供水(shui)(shui)(shui)量達1344萬立(li)方(fang)米。下游保(bao)護肥東縣(xian)(xian)城(cheng)，撮鎮鎮等(deng)人(ren)口30萬人(ren)，百余家工業(ye)(ye)企業(ye)(ye)。淮南鐵路、寧西鐵路2.2千米，合(he)(he)(he)寧、合(he)(he)(he)徐、合(he)(he)(he)巢(chao)蕪高(gao)(gao)速公路2千米，對肥東縣(xian)(xian)和合(he)(he)(he)肥市(shi)的(de)(de)社會經濟(ji)發展，起(qi)著(zhu)舉足(zu)輕重(zhong)的(de)(de)作用。

水(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)建(jian)于(yu)1958年(nian)，竣工(gong)(gong)于(yu)1972年(nian)；庫(ku)(ku)區(qu)多年(nian)均降(jiang)水(shui)(shui)(shui)(shui)(shui)(shui)量(liang)900毫(hao)米(mi)(mi)(mi)(mi)，設計洪(hong)(hong)(hong)水(shui)(shui)(shui)(shui)(shui)(shui)為(wei)百年(nian)一(yi)(yi)遇，洪(hong)(hong)(hong)水(shui)(shui)(shui)(shui)(shui)(shui)位(wei)為(wei)46.38米(mi)(mi)(mi)(mi)；校(xiao)核(he)洪(hong)(hong)(hong)水(shui)(shui)(shui)(shui)(shui)(shui)為(wei)五千年(nian)一(yi)(yi)遇，洪(hong)(hong)(hong)水(shui)(shui)(shui)(shui)(shui)(shui)位(wei)47.27米(mi)(mi)(mi)(mi)，興(xing)利水(shui)(shui)(shui)(shui)(shui)(shui)位(wei)為(wei)45.6米(mi)(mi)(mi)(mi)，興(xing)利庫(ku)(ku)容6850萬立(li)方(fang)米(mi)(mi)(mi)(mi)，死水(shui)(shui)(shui)(shui)(shui)(shui)位(wei)為(wei)39.0米(mi)(mi)(mi)(mi)，庫(ku)(ku)容為(wei)660萬立(li)方(fang)米(mi)(mi)(mi)(mi)。攔(lan)河壩(ba)(ba)為(wei)均質(zhi)(zhi)土(tu)壩(ba)(ba)，壩(ba)(ba)長(chang)3180米(mi)(mi)(mi)(mi)，最(zui)大壩(ba)(ba)高26米(mi)(mi)(mi)(mi)，平(ping)(ping)(ping)均壩(ba)(ba)高14米(mi)(mi)(mi)(mi)，壩(ba)(ba)頂(ding)(ding)寬5.5米(mi)(mi)(mi)(mi)，壩(ba)(ba)頂(ding)(ding)高程(cheng)49.2米(mi)(mi)(mi)(mi)，大壩(ba)(ba)迎水(shui)(shui)(shui)(shui)(shui)(shui)坡(po)1：3，背(bei)水(shui)(shui)(shui)(shui)(shui)(shui)坡(po)1：2.5~4，防浪(lang)墻高1.1米(mi)(mi)(mi)(mi)，墻頂(ding)(ding)高程(cheng)50.3米(mi)(mi)(mi)(mi)。進（放）水(shui)(shui)(shui)(shui)(shui)(shui)閘兩孔(kong)，尺寸為(wei)2.5*3.0，底板(ban)高程(cheng)42.5米(mi)(mi)(mi)(mi)，最(zui)大放水(shui)(shui)(shui)(shui)(shui)(shui)流量(liang)25秒立(li)方(fang)米(mi)(mi)(mi)(mi)；泄(xie)洪(hong)(hong)(hong)涵(han)(han)洞(dong)(dong)為(wei)穿(chuan)壩(ba)(ba)建(jian)筑物，2孔(kong)尺寸為(wei)2.5*2.75米(mi)(mi)(mi)(mi)，底板(ban)高程(cheng)33米(mi)(mi)(mi)(mi)，校(xiao)核(he)泄(xie)洪(hong)(hong)(hong)流量(liang)169秒立(li)方(fang)米(mi)(mi)(mi)(mi)；非(fei)常(chang)溢洪(hong)(hong)(hong)道為(wei)實用(yong)堰，堰頂(ding)(ding)高程(cheng)46.7米(mi)(mi)(mi)(mi)，寬200米(mi)(mi)(mi)(mi)，校(xiao)核(he)泄(xie)洪(hong)(hong)(hong)流量(liang)138秒立(li)方(fang)米(mi)(mi)(mi)(mi)。水(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)工(gong)(gong)程(cheng)建(jian)成于(yu)特(te)殊年(nian)代不免遺留質(zhi)(zhi)量(liang)隱患。1975年(nian)8月(yue)(yue)河南大水(shui)(shui)(shui)(shui)(shui)(shui)后(hou)，在(zai)(zai)大壩(ba)(ba)東側(ce)開挖200米(mi)(mi)(mi)(mi)，臨時非(fei)常(chang)溢洪(hong)(hong)(hong)道。1980年(nian)蓄水(shui)(shui)(shui)(shui)(shui)(shui)位(wei)達45.50米(mi)(mi)(mi)(mi)，發(fa)現(xian)大壩(ba)(ba)下(xia)游坡(po)明(ming)顯滲漏(lou)；1980年(nian)7月(yue)(yue)和1981年(nian)元月(yue)(yue)兩次(ci)對眾(zhong)興(xing)水(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)上下(xia)壩(ba)(ba)進行(xing)錐探灌漿后(hou)滲漏(lou)現(xian)象有(you)所減少；1980年(nian)7月(yue)(yue)，1987年(nian)7月(yue)(yue)，1989年(nian)7月(yue)(yue)先后(hou)在(zai)(zai)上壩(ba)(ba)背(bei)水(shui)(shui)(shui)(shui)(shui)(shui)坡(po)發(fa)生滑坡(po)，后(hou)經(jing)治理(li)恢復(fu)正(zheng)常(chang)運行(xing)；1990年(nian)4月(yue)(yue)在(zai)(zai)泄(xie)洪(hong)(hong)(hong)涵(han)(han)洞(dong)(dong)東側(ce)壩(ba)(ba)腳發(fa)現(xian)滲水(shui)(shui)(shui)(shui)(shui)(shui)孔(kong)，最(zui)大滲漏(lou)量(liang)0.33升/秒，后(hou)該(gai)段做(zuo)導滲排水(shui)(shui)(shui)(shui)(shui)(shui)體。2001年(nian)4月(yue)(yue)安全(quan)鑒定時發(fa)現(xian)泄(xie)洪(hong)(hong)(hong)涵(han)(han)洞(dong)(dong)左側(ce)第(di)一(yi)(yi)級平(ping)(ping)(ping)臺高程(cheng)在(zai)(zai)40.50米(mi)(mi)(mi)(mi)，右側(ce)在(zai)(zai)第(di)三級平(ping)(ping)(ping)臺高程(cheng)39米(mi)(mi)(mi)(mi)，有(you)漏(lou)水(shui)(shui)(shui)(shui)(shui)(shui)孔(kong)出(chu)(chu)露(lu)，涵(han)(han)洞(dong)(dong)拱涵(han)(han)沉降(jiang)縫(feng)多處(chu)有(you)白色或黃色流巖(yan)體沉積及滲漏(lou)水(shui)(shui)(shui)(shui)(shui)(shui)溢出(chu)(chu)，特(te)別(bie)是豎井(jing)段與(yu)涵(han)(han)洞(dong)(dong)身沉降(jiang)縫(feng)高程(cheng)33.00-38.00米(mi)(mi)(mi)(mi)處(chu)發(fa)現(xian)明(ming)顯的黃泥巴(ba)滲出(chu)(chu)。2001年(nian)9月(yue)(yue)水(shui)(shui)(shui)(shui)(shui)(shui)利部大壩(ba)(ba)安全(quan)管理(li)中(zhong)心以壩(ba)(ba)函(han)[2001]1236號(hao)文對經(jing)專家(jia)復(fu)核(he)的“三類壩(ba)(ba)”確認，2002年(nian)省水(shui)(shui)(shui)(shui)(shui)(shui)利廳以皖(wan)水(shui)(shui)(shui)(shui)(shui)(shui)基[2002]176號(hao)文批(pi)復(fu)對眾(zhong)興(xing)水(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)進行(xing)除險(xian)加固，批(pi)復(fu)投資2960萬元，加固工(gong)(gong)程(cheng)已于(yu)2002年(nian)11月(yue)(yue)14日開工(gong)(gong)，于(yu)2004年(nian)5月(yue)(yue)竣工(gong)(gong)。