樞紐工程(cheng)由大壩(ba)(ba)(ba)(ba)(ba)、副壩(ba)(ba)(ba)(ba)(ba)(原(yuan)(yuan)非常溢(yi)洪(hong)道(dao)(dao))、溢(yi)洪(hong)道(dao)(dao)、南、北灌溉(gai)(gai)輸水(shui)(shui)管、電(dian)站等建筑(zhu)物組(zu)成。大壩(ba)(ba)(ba)(ba)(ba)系(xi)(xi)碾壓式均質土(tu)壩(ba)(ba)(ba)(ba)(ba),最(zui)大壩(ba)(ba)(ba)(ba)(ba)高(gao)35.3米(mi)(mi)(mi)(mi)(mi)(mi),壩(ba)(ba)(ba)(ba)(ba)頂(ding)高(gao)程(cheng)88米(mi)(mi)(mi)(mi)(mi)(mi),壩(ba)(ba)(ba)(ba)(ba)頂(ding)長(chang)450米(mi)(mi)(mi)(mi)(mi)(mi);副壩(ba)(ba)(ba)(ba)(ba)(原(yuan)(yuan)非常溢(yi)洪(hong)道(dao)(dao))位(wei)于大壩(ba)(ba)(ba)(ba)(ba)左端,圍漿砌石堰,堰頂(ding)高(gao)程(cheng)78米(mi)(mi)(mi)(mi)(mi)(mi),溢(yi)流長(chang)度50米(mi)(mi)(mi)(mi)(mi)(mi),堰體(ti)上填筑(zhu)的(de)是(shi)松散坡積(ji)土(tu),斷面單薄,不到自破(po)水(shui)(shui)位(wei)(1000年一遇洪(hong)水(shui)(shui)位(wei))就有自潰的(de)危險,加(jia)固設(she)計中已建議改(gai)成副壩(ba)(ba)(ba)(ba)(ba);溢(yi)洪(hong)道(dao)(dao)布(bu)(bu)置(zhi)在大壩(ba)(ba)(ba)(ba)(ba)左側,為(wei)(wei)寬頂(ding)堰型,堰頂(ding)高(gao)程(cheng)80米(mi)(mi)(mi)(mi)(mi)(mi),溢(yi)流長(chang)度64米(mi)(mi)(mi)(mi)(mi)(mi),其上布(bu)(bu)置(zhi)8孔7.1×3米(mi)(mi)(mi)(mi)(mi)(mi)(寬×高(gao))的(de)平板鋼(gang)閘門(men);南涵管位(wei)于大壩(ba)(ba)(ba)(ba)(ba)右(you)端,為(wei)(wei)發電(dian)、灌溉(gai)(gai)輸水(shui)(shui)管,系(xi)(xi)深埋(mai)式鋼(gang)筋(jin)混(hun)凝(ning)土(tu)壓力圓(yuan)管,內徑2.4米(mi)(mi)(mi)(mi)(mi)(mi),后(hou)分(fen)發電(dian)和灌溉(gai)(gai)兩條支管, 其過流量(liang)分(fen)別為(wei)(wei)28.5和18秒立米(mi)(mi)(mi)(mi)(mi)(mi);北涵灌溉(gai)(gai)輸水(shui)(shui)管布(bu)(bu)置(zhi)在副壩(ba)(ba)(ba)(ba)(ba)底部,為(wei)(wei)鋼(gang)筋(jin)混(hun)凝(ning)土(tu)無壓圓(yuan)管,直徑2米(mi)(mi)(mi)(mi)(mi)(mi),長(chang)75米(mi)(mi)(mi)(mi)(mi)(mi),設(she)計引用流量(liang)12秒立米(mi)(mi)(mi)(mi)(mi)(mi);電(dian)站為(wei)(wei)壩(ba)(ba)(ba)(ba)(ba)后(hou)式,裝(zhuang)機3臺1360千瓦機組(zu),多年平均發電(dian)量(liang)915萬千瓦小時(shi)。