水庫簡介
長(chang)詔(zhao)水(shui)(shui)庫位于(yu)曹娥江支流新昌江上(shang),壩址(zhi)在(zai)長(chang)詔(zhao)村上(shang)游(you),距新昌縣(xian)城(cheng)14公(gong)(gong)里。壩址(zhi)以上(shang)集(ji)雨面積(ji)276平方(fang)公(gong)(gong)里,總庫容(rong)1.89億(yi)立方(fang)米(mi),正常(chang)庫容(rong)1.36億(yi)立方(fang)米(mi),是(shi)僅(jin)次于(yu)湯浦水(shui)(shui)庫的紹興(xing)第二大水(shui)(shui)庫。水(shui)(shui)庫以防洪(hong)灌溉為主,結(jie)合水(shui)(shui)力發電(dian)。水(shui)(shui)庫下游(you)設(she)計防洪(hong)標準(zhun)20年一遇,防洪(hong)面積(ji)13萬(wan)畝,灌溉新昌、嵊縣(xian)、上(shang)虞3縣(xian)(市)農(nong)田29萬(wan)畝(實(shi)際已灌溉面積(ji)44萬(wan)畝),水(shui)(shui)電(dian)站裝機3臺(tai)總容(rong)量(liang)(liang)6000千瓦,多年平均年發電(dian)量(liang)(liang)1650萬(wan)千瓦小時(shi)。
水庫樞紐
水(shui)(shui)庫樞紐由攔(lan)(lan)河(he)大壩(ba)(ba)(ba)(ba)(ba)、壩(ba)(ba)(ba)(ba)(ba)體(ti)放水(shui)(shui)洞(dong)(dong)、發電輸(shu)水(shui)(shui)隧洞(dong)(dong)和水(shui)(shui)電站(zhan)(zhan)等組成。攔(lan)(lan)河(he)大壩(ba)(ba)(ba)(ba)(ba)為(wei)小(xiao)骨(gu)料混寧砌石重力(li)壩(ba)(ba)(ba)(ba)(ba),壩(ba)(ba)(ba)(ba)(ba)高68米(mi)、壩(ba)(ba)(ba)(ba)(ba)長(chang)(chang)分6個壩(ba)(ba)(ba)(ba)(ba)段,其中3、4壩(ba)(ba)(ba)(ba)(ba)段為(wei)溢流段,裝6扇寬8米(mi)、高4.5米(mi)弧(hu)形鋼(gang)閘門,最大泄洪流量(liang)1692立方米(mi)每秒;4壩(ba)(ba)(ba)(ba)(ba)段高24米(mi)處設寬3米(mi)、高4.5~5.0米(mi)放水(shui)(shui)洞(dong)(dong),最大泄流量(liang)230立方米(mi)每秒,溢洪道和放水(shui)(shui)洞(dong)(dong)均采用挑(tiao)流消能;3、4壩(ba)(ba)(ba)(ba)(ba)段下游基(ji)礎部(bu)分設有深23.5米(mi),長(chang)(chang)58米(mi)混凝土(tu)加(jia)固齒墻一(yi)道。發電輸(shu)水(shui)(shui)隧洞(dong)(dong)及水(shui)(shui)電站(zhan)(zhan)廠房和升壓站(zhan)(zhan)均布置于(yu)右岸。
水(shui)庫除灌溉新昌、嵊縣(xian)(xian)兩縣(xian)(xian)部分(fen)農田外,通過(guo)曹娥江上浦引(yin)(yin)水(shui)樞紐,引(yin)(yin)水(shui)灌溉上虞縣(xian)(xian)虞北地區(qu)農田和改善工業、生活用水(shui)條件。