簡介
主(zhu)壩址地(di)處寧都縣,控制流域面(mian)積412平(ping)(ping)方千米,水(shui)(shui)庫功(gong)能以(yi)防洪(hong)、灌溉(gai)為主(zhu),兼顧發電(dian)(dian)、養殖等綜合效益,水(shui)(shui)庫調節梅(mei)江(jiang)(jiang)洪(hong)水(shui)(shui),削減壩址洪(hong)峰流量(liang),減輕梅(mei)江(jiang)(jiang)下(xia)游洪(hong)水(shui)(shui)災(zai)害,保護人口5萬,農田2900公頃;灌溉(gai)面(mian)積673公頃;電(dian)(dian)站裝機容量(liang)2500千瓦,多年(nian)平(ping)(ping)均年(nian)發電(dian)(dian)量(liang)1040萬千瓦時。
水(shui)(shui)庫(ku)(ku)正(zheng)常(chang)蓄水(shui)(shui)位(wei)(wei)(wei)為242米(mi)(mi),死(si)水(shui)(shui)位(wei)(wei)(wei)235.6米(mi)(mi),設(she)計(ji)洪(hong)(hong)水(shui)(shui)位(wei)(wei)(wei)244.29米(mi)(mi),校核洪(hong)(hong)水(shui)(shui)位(wei)(wei)(wei)245.53米(mi)(mi);總庫(ku)(ku)容(rong)1.457億立(li)方(fang)(fang)米(mi)(mi),興利(li)庫(ku)(ku)容(rong)7800萬立(li)方(fang)(fang)米(mi)(mi),死(si)庫(ku)(ku)容(rong)4280萬立(li)方(fang)(fang)米(mi)(mi),水(shui)(shui)面(mian)面(mian)積11.25平(ping)方(fang)(fang)千米(mi)(mi),系(xi)湖泊型年調節水(shui)(shui)庫(ku)(ku)。建筑物(wu)主(zhu)要(yao)由主(zhu)壩(ba)(ba)、副(fu)壩(ba)(ba)、正(zheng)常(chang)溢(yi)(yi)洪(hong)(hong)道、非(fei)常(chang)溢(yi)(yi)洪(hong)(hong)道、引水(shui)(shui)系(xi)統、發電(dian)廠房。主(zhu)壩(ba)(ba)為粘土(tu)心墻砂殼壩(ba)(ba),壩(ba)(ba)頂(ding)長210米(mi)(mi),寬5米(mi)(mi),壩(ba)(ba)頂(ding)高(gao)(gao)程248米(mi)(mi),最(zui)大壩(ba)(ba)高(gao)(gao)28米(mi)(mi)。16座副(fu)壩(ba)(ba)為均(jun)質土(tu)壩(ba)(ba),位(wei)(wei)(wei)于(yu)主(zhu)壩(ba)(ba)右(you)岸(an),壩(ba)(ba)頂(ding)高(gao)(gao)程均(jun)為249米(mi)(mi),最(zui)大壩(ba)(ba)高(gao)(gao)18米(mi)(mi),正(zheng)常(chang)溢(yi)(yi)洪(hong)(hong)道位(wei)(wei)(wei)于(yu)主(zhu)壩(ba)(ba)左側,非(fei)常(chang)溢(yi)(yi)洪(hong)(hong)道距主(zhu)壩(ba)(ba)右(you)側6.65千米(mi)(mi),緊(jin)靠10號副(fu)壩(ba)(ba)的左岸(an)。