水庫詳情
樞(shu)紐工(gong)(gong)(gong)程(cheng)(cheng)(cheng)由(you)(you)攔河(he)(he)壩、鋼(gang)管(guan)引(yin)水(shui)道(dao)(dao)(dao)和壩后(hou)(hou)廠(chang)房、兩(liang)岸(an)滑雪(xue)式溢洪(hong)道(dao)(dao)(dao)、一級(ji)放(fang)(fang)空(kong)兼(jian)泄洪(hong)隧(sui)洞(dong)(dong)(dong)、二級(ji)放(fang)(fang)空(kong)隧(sui)洞(dong)(dong)(dong)等建筑物(wu)組成(cheng)。攔河(he)(he)大(da)(da)壩為(wei)混(hun)凝土雙曲拱壩、294米(mi)(mi)(mi)(mi)(mi)(mi)壩頂高(gao)(gao)(gao)程(cheng)(cheng)(cheng)，最大(da)(da)壩高(gao)(gao)(gao)157米(mi)(mi)(mi)(mi)(mi)(mi)，最大(da)(da)底寬35米(mi)(mi)(mi)(mi)(mi)(mi)，頂寬7米(mi)(mi)(mi)(mi)(mi)(mi)，厚高(gao)(gao)(gao)比為(wei) 0.223，壩頂中心(xin)弧長(chang)438米(mi)(mi)(mi)(mi)(mi)(mi)， 最大(da)(da)中心(xin)角95°7"，最大(da)(da)內半(ban)徑302.3米(mi)(mi)(mi)(mi)(mi)(mi)；壩后(hou)(hou)式主廠(chang)房長(chang)106米(mi)(mi)(mi)(mi)(mi)(mi)，寬23米(mi)(mi)(mi)(mi)(mi)(mi)，最大(da)(da)高(gao)(gao)(gao)度56. 3米(mi)(mi)(mi)(mi)(mi)(mi)，安裝4臺單(dan)機容量(liang)(liang)(liang)(liang)12.5萬千(qian)瓦(wa)機組，總容量(liang)(liang)(liang)(liang)50萬千(qian)瓦(wa)，由(you)(you)4條內徑5.2米(mi)(mi)(mi)(mi)(mi)(mi)、進(jin)口(kou)工(gong)(gong)(gong)作閘門(men)門(men)孔(kong)中心(xin)高(gao)(gao)(gao)程(cheng)(cheng)(cheng)221.5米(mi)(mi)(mi)(mi)(mi)(mi)的鋼(gang)管(guan)引(yin)水(shui)道(dao)(dao)(dao)供水(shui)，單(dan)機引(yin)用(yong)(yong)流量(liang)(liang)(liang)(liang)123秒(miao)立米(mi)(mi)(mi)(mi)(mi)(mi)；右(you)岸(an)一孔(kong)、左(zuo)岸(an)兩(liang)孔(kong)滑雪(xue)式溢洪(hong)道(dao)(dao)(dao)順(shun)岸(an)邊地(di)形(xing)高(gao)(gao)(gao)低布置(zhi)(zhi)，堰頂高(gao)(gao)(gao)程(cheng)(cheng)(cheng)266米(mi)(mi)(mi)(mi)(mi)(mi)，弧門(men)潛(qian)孔(kong)啟閉，尺寸為(wei)10×7.5米(mi)(mi)(mi)(mi)(mi)(mi)，全(quan)長(chang)分別(bie)為(wei)117和147米(mi)(mi)(mi)(mi)(mi)(mi)，采用(yong)(yong)挑流消能，設計單(dan)孔(kong)流量(liang)(liang)(liang)(liang)1300秒(miao)立米(mi)(mi)(mi)(mi)(mi)(mi)，單(dan)寬流量(liang)(liang)(liang)(liang)130秒(miao)立米(mi)(mi)(mi)(mi)(mi)(mi)；一級(ji)放(fang)(fang)空(kong)兼(jian)泄洪(hong)隧(sui)洞(dong)(dong)(dong)布置(zhi)(zhi)在左(zuo)岸(an)，進(jin)口(kou)底板高(gao)(gao)(gao)程(cheng)(cheng)(cheng)222米(mi)(mi)(mi)(mi)(mi)(mi)，全(quan)長(chang)527米(mi)(mi)(mi)(mi)(mi)(mi)，最大(da)(da)泄量(liang)(liang)(liang)(liang)1942秒(miao)立米(mi)(mi)(mi)(mi)(mi)(mi)，遇百年一遇洪(hong)水(shui)時參加泄洪(hong)；二級(ji)放(fang)(fang)空(kong)隧(sui)洞(dong)(dong)(dong)布置(zhi)(zhi)在右(you)岸(an)，全(quan)長(chang) 671.35米(mi)(mi)(mi)(mi)(mi)(mi)，進(jin)口(kou)底板高(gao)(gao)(gao)程(cheng)(cheng)(cheng)170米(mi)(mi)(mi)(mi)(mi)(mi)，最大(da)(da)出流量(liang)(liang)(liang)(liang)1540秒(miao)立米(mi)(mi)(mi)(mi)(mi)(mi)，該洞(dong)(dong)(dong)在施工(gong)(gong)(gong)后(hou)(hou)期參加導流。兩(liang)洞(dong)(dong)(dong)放(fang)(fang)空(kong)時間均(jun)為(wei)一個月。
功能作用
東(dong)江水(shui)(shui)(shui)庫(ku)(ku)是一(yi)個以(yi)(yi)發電(dian)(dian)為(wei)主(zhu)，兼有(you)防洪、航運、城鎮工業(ye)(ye)及生活用水(shui)(shui)(shui)等(deng)綜合(he)利用的(de)大(da)型水(shui)(shui)(shui)電(dian)(dian)工程。水(shui)(shui)(shui)庫(ku)(ku)壩(ba)高(gao)庫(ku)(ku)大(da)，調(diao)(diao)節性(xing)能好。總庫(ku)(ku)容(rong)91.5億立(li)米(mi)，當正常高(gao)水(shui)(shui)(shui)位285 米(mi)時，相應庫(ku)(ku)容(rong)有(you) 81.2億立(li)米(mi)(其(qi)中有(you)效(xiao)庫(ku)(ku)容(rong)56.7億立(li)米(mi))。庫(ku)(ku)容(rong)系數1.25，為(wei)多(duo)年調(diao)(diao)節水(shui)(shui)(shui)庫(ku)(ku)。電(dian)(dian)站多(duo)年平均發電(dian)(dian)量(liang)13.2億千瓦(wa)小時，在華(hua)中電(dian)(dian)力系統中主(zhu)要擔(dan)負調(diao)(diao)峰任務；水(shui)(shui)(shui)庫(ku)(ku)建成后(hou)可(ke)使耒水(shui)(shui)(shui)下(xia)游(you)1.07萬(wan)畝農田免除洪水(shui)(shui)(shui)危(wei)害，同時可(ke)以(yi)(yi)提高(gao)下(xia)游(you)已(yi)建白漁潭、遙田等(deng)水(shui)(shui)(shui)電(dian)(dian)站的(de)保證出力和京廣鐵路的(de)防洪標準；水(shui)(shui)(shui)庫(ku)(ku)回水(shui)(shui)(shui)總長 150公里對(dui)改善上下(xia)游(you)航運都十分(fen)有(you)利。為(wei)避(bi)免機(ji)組(zu)停機(ji)或長時間低負荷運行影響(xiang)下(xia)游(you)工農業(ye)(ye)用水(shui)(shui)(shui)，在其(qi)下(xia)游(you)9 公里處修建一(yi)座小東(dong)江水(shui)(shui)(shui)電(dian)(dian)站，進(jin)行反調(diao)(diao)節。
建設時間
東江水庫(ku)工(gong)(gong)程曾于1958年(nian)動工(gong)(gong)，至(zhi)1961年(nian)初停建(jian)。1978年(nian)4月復(fu)工(gong)(gong)，1980年(nian)11月截流合龍，1986年(nian)8月下閘蓄水，1987年(nian)11月第一臺機投(tou)產(chan)發電，1992年(nian)樞紐(niu)工(gong)(gong)程全(quan)面竣工(gong)(gong)。
歲月靜好 
