功效
京(jing)南(nan)水(shui)利樞紐(niu)位于(yu)養殖、旅游等(deng)綜合效益的三等(deng)水(shui)利樞紐(niu)工(gong)程(cheng)。壩址控制流域(yu)面積17338平方(fang)公里(li),,裝機(ji)容量6.9萬KW,,灌溉(gai)農(nong)田6.1萬畝,排澇(lao)面積3.33萬畝,改善航道35km。京(jing)南(nan)鄉境內,距梧州(zhou)市68km。是(shi)一座以發電為主,兼有航運(yun)、灌溉(gai)、水(shui)產等(deng)功能。
樞紐主要建筑物由(you)攔河(he)壩(ba)、廠房、船(chuan)閘(zha)(zha)及開關(guan)站等組(zu)(zu)成。攔河(he)壩(ba)全長437.0m,由(you)左(zuo)(zuo)右(you)兩岸混(hun)凝(ning)土(tu)重力(li)壩(ba)段(duan)、河(he)床(chuang)溢流(liu)壩(ba)段(duan)及船(chuan)閘(zha)(zha)右(you)側的混(hun)凝(ning)土(tu) 重力(li)壩(ba)段(duan)組(zu)(zu)成,最大(da)壩(ba)高(gao)32.7m。溢流(liu)壩(ba)段(duan)布(bu)置(zhi)(zhi)在河(he)床(chuang)中(zhong)、右(you)段(duan),總(zong)長277.0m,共16孔,孔口(kou)凈(jing)寬14m。消(xiao)能(neng)(neng)型式采用3孔底流(liu)與13孔面(mian)流(liu) 綜(zong)合消(xiao)能(neng)(neng)布(bu)置(zhi)(zhi)。電站廠房為河(he)床(chuang)式廠房,布(bu)置(zhi)(zhi)在左(zuo)(zuo)岸河(he)床(chuang)斜坡地帶(dai)。廠房全長73.54m ,其(qi)中(zhong)主機間長40.53m,最大(da)底寬73.166m,最大(da)高(gao)度45.3m,安(an)裝2臺3.45萬KW 燈 泡貫(guan)流(liu)式水輪發電機組(zu)(zu)。船(chuan)閘(zha)(zha)布(bu)置(zhi)(zhi)在左(zuo)(zuo)岸一級階(jie)地,船(chuan)閘(zha)(zha)規模為一次通過1+2×120T拖帶(dai) 船(chuan)隊,年通航能(neng)(neng)力(li)為100萬T。
京南水利樞紐工(gong)(gong)(gong)(gong)程(cheng)通(tong)過投(tou)標議標,由八(ba)局(ju)承(cheng)建。1993年(nian)4月23日(ri)與廣西京南水利樞紐 工(gong)(gong)(gong)(gong)程(cheng)指揮部簽訂(ding)《廣西梧(wu)州京南水利樞紐土建工(gong)(gong)(gong)(gong)程(cheng)合同協議書(shu)》。永(yong)久(jiu)建筑(zhu)工(gong)(gong)(gong)(gong)程(cheng)及施工(gong)(gong)(gong)(gong)導流 工(gong)(gong)(gong)(gong)程(cheng)采用單價承(cheng)包方式(shi);臨時建筑(zhu)工(gong)(gong)(gong)(gong)程(cheng)按總價包干(gan),京南施工(gong)(gong)(gong)(gong)局(ju)負責施工(gong)(gong)(gong)(gong)。
工程總量
土(tu)石(shi)(shi)方(fang)開(kai)挖136.06萬(wan)立方(fang)米(mi),土(tu)石(shi)(shi)方(fang)填(tian)筑(zhu)(zhu)76.45萬(wan)立方(fang)米(mi),漿砌石(shi)(shi)6.154萬(wan)立方(fang)米(mi),混(hun)凝(ning)(ning)土(tu)26.48萬(wan)立方(fang)米(mi),金屬(shu)結(jie)構制作安裝3715t,帷幕灌漿5000m,固結(jie)灌漿1726m 。合同工期(qi)為55個月(yue)(yue)(yue)。實際(ji)開(kai)工日期(qi)為1993年9月(yue)(yue)(yue)開(kai)始(shi)壩基(ji)開(kai)挖,10月(yue)(yue)(yue)土(tu)石(shi)(shi)圍 堰形成(cheng),風、水、電系統(tong)形成(cheng),12月(yue)(yue)(yue)砂石(shi)(shi)、混(hun)凝(ning)(ning)土(tu)拌和系統(tong)形成(cheng),并開(kai)始(shi)澆 筑(zhu)(zhu)縱向圍堰混(hun)凝(ning)(ning)土(tu)。1994年9月(yue)(yue)(yue)開(kai)始(shi)澆筑(zhu)(zhu)廠房基(ji)礎混(hun)凝(ning)(ning)土(tu),1997年3月(yue)(yue)(yue)一期(qi)工程完 成(cheng),6月(yue)(yue)(yue)28日第一臺機組發(fa)電。