水庫簡介
古(gu)籍記載(zai),水庫(ku)基址原為鄒(zou)城東、北、南山(shan)丘溪水匯集(ji)之地。群眾稱之為溪湖。“九龍山(shan)南麓有溪湖,溪湖廣(guang)三里”,西流入大(da)沙河。
1959年10月4日開工興(xing)建(jian),1960年6月底基(ji)本完(wan)成,水壩建(jian)在水庫西部和北(bei)部。總庫容(rong)1.02億立方米 ,控(kong)制流域面積為113.6平方千米,有效(xiao)灌(guan)溉(gai)面積1520公頃。
工程簡介
水(shui)庫(ku)樞紐工(gong)程由大壩(ba)(ba)(ba)(ba)(ba)、溢洪道(dao)、輸水(shui)洞(dong)(dong)(dong)組成。主(zhu)壩(ba)(ba)(ba)(ba)(ba)位(wei)于水(shui)庫(ku)西部,壩(ba)(ba)(ba)(ba)(ba)型為(wei)黏土(tu)心(xin)墻砂殼壩(ba)(ba)(ba)(ba)(ba),全(quan)長(chang)1100米(mi)(mi)(mi)(mi),最大壩(ba)(ba)(ba)(ba)(ba)高22.30米(mi)(mi)(mi)(mi),壩(ba)(ba)(ba)(ba)(ba)頂寬6米(mi)(mi)(mi)(mi)。副(fu)壩(ba)(ba)(ba)(ba)(ba)有南(nan)副(fu)壩(ba)(ba)(ba)(ba)(ba)、北(bei)(bei)副(fu)壩(ba)(ba)(ba)(ba)(ba)、東(dong)(dong)副(fu)壩(ba)(ba)(ba)(ba)(ba),南(nan)副(fu)壩(ba)(ba)(ba)(ba)(ba)在主(zhu)壩(ba)(ba)(ba)(ba)(ba)南(nan)延至山崗,北(bei)(bei)副(fu)壩(ba)(ba)(ba)(ba)(ba)在主(zhu)壩(ba)(ba)(ba)(ba)(ba)北(bei)(bei),東(dong)(dong)副(fu)壩(ba)(ba)(ba)(ba)(ba)接北(bei)(bei)副(fu)壩(ba)(ba)(ba)(ba)(ba),為(wei)水(shui)庫(ku)北(bei)(bei)大堤(di),三座副(fu)壩(ba)(ba)(ba)(ba)(ba)共長(chang)4910米(mi)(mi)(mi)(mi)。溢洪道(dao)位(wei)于南(nan)副(fu)壩(ba)(ba)(ba)(ba)(ba)盡頭,開敞式,凈寬48米(mi)(mi)(mi)(mi),最大泄洪量542立(li)方(fang)米(mi)(mi)(mi)(mi)每秒。輸水(shui)洞(dong)(dong)(dong)有西、東(dong)(dong)二洞(dong)(dong)(dong),均為(wei)廊(lang)道(dao)式混凝土(tu)壓力(li)管。西放水(shui)洞(dong)(dong)(dong)位(wei)于主(zhu)壩(ba)(ba)(ba)(ba)(ba)北(bei)(bei)端,直徑1.34米(mi)(mi)(mi)(mi),流(liu)量11.8立(li)方(fang)米(mi)(mi)(mi)(mi)每秒,通向(xiang)大沙河(he)南(nan)北(bei)(bei)岸(an)及(ji)城郊。東(dong)(dong)放水(shui)洞(dong)(dong)(dong),直徑1.2米(mi)(mi)(mi)(mi),流(liu)量9.3立(li)方(fang)米(mi)(mi)(mi)(mi)每秒,通過(guo)東(dong)(dong)風干渠通向(xiang)水(shui)庫(ku)北(bei)(bei)岸(an)農(nong)田。洞(dong)(dong)(dong)后建水(shui)電站一座,裝機2臺250千瓦。
除險加固
水庫工(gong)(gong)程于1959年10月開工(gong)(gong),1960年6月竣工(gong)(gong)。投入運用(yong)后,共(gong)(gong)進行了41項(xiang)維修加固工(gong)(gong)程。較大的(de)有主壩背水面(mian)砌石護坡,建放水洞檢(jian)修閘門,處(chu)理東(dong)副壩裂(lie)縫。至1985年,共(gong)(gong)完成土方(fang)248萬(wan)立(li)方(fang)米(mi),石方(fang)11萬(wan)立(li)方(fang)米(mi),累(lei)計(ji)國家投資755萬(wan)元。
水庫效益
2002年(nian),西葦水庫經除險加(jia)固后,已能(neng)有效控制洪水,如(ru)遇千(qian)年(nian)一(yi)遇大(da)(da)洪水,大(da)(da)沙(sha)河流量將由1670立(li)方米每(mei)秒(miao),消減(jian)至376立(li)方米每(mei)秒(miao),對減(jian)輕下游洪澇災(zai)害,確保京滬鐵路、鄒(zou)縣電廠(chang)、兗州煤礦及(ji)人民(min)生命財產的安全(quan),起到極為重(zhong)要(yao)(yao)的作用。西葦水庫攔蓄的優質水資(zi)源(yuan),為城鄉人民(min)生活(huo)及(ji)農業灌溉(gai)用水提供了重(zhong)要(yao)(yao)水資(zi)源(yuan)。