功效
京南(nan)水利樞紐位于(yu)養殖、旅游等綜合效(xiao)益的三(san)等水利樞紐工程。壩址控制(zhi)流(liu)域面積17338平方公里,,裝機容量6.9萬KW,,灌溉農田6.1萬畝(mu),排澇(lao)面積3.33萬畝(mu),改善航道(dao)35km。京南(nan)鄉(xiang)境內,距梧州市68km。是一(yi)座以發(fa)電為主,兼有航運、灌溉、水產等功能。
樞(shu)紐主要建(jian)筑物(wu)由攔(lan)河(he)壩、廠(chang)房(fang)、船(chuan)閘(zha)(zha)及開關(guan)站等組成。攔(lan)河(he)壩全長437.0m,由左(zuo)右(you)(you)兩(liang)岸混(hun)(hun)凝土重力壩段(duan)(duan)、河(he)床溢流壩段(duan)(duan)及船(chuan)閘(zha)(zha)右(you)(you)側的混(hun)(hun)凝土 重力壩段(duan)(duan)組成,最(zui)大(da)(da)壩高32.7m。溢流壩段(duan)(duan)布置(zhi)(zhi)在河(he)床中、右(you)(you)段(duan)(duan),總長277.0m,共16孔,孔口凈寬(kuan)14m。消能(neng)型式采用(yong)3孔底流與13孔面流 綜合消能(neng)布置(zhi)(zhi)。電站廠(chang)房(fang)為河(he)床式廠(chang)房(fang),布置(zhi)(zhi)在左(zuo)岸河(he)床斜坡地(di)帶(dai)。廠(chang)房(fang)全長73.54m ,其中主機間(jian)長40.53m,最(zui)大(da)(da)底寬(kuan)73.166m,最(zui)大(da)(da)高度45.3m,安裝2臺3.45萬(wan)KW 燈(deng) 泡貫流式水(shui)輪發電機組。船(chuan)閘(zha)(zha)布置(zhi)(zhi)在左(zuo)岸一(yi)級階地(di),船(chuan)閘(zha)(zha)規模為一(yi)次通(tong)(tong)過1+2×120T拖帶(dai) 船(chuan)隊,年通(tong)(tong)航(hang)能(neng)力為100萬(wan)T。
京南水(shui)利(li)樞(shu)紐工(gong)(gong)(gong)程通過投(tou)標(biao)議標(biao),由八局(ju)承建。1993年4月23日與廣西(xi)京南水(shui)利(li)樞(shu)紐 工(gong)(gong)(gong)程指(zhi)揮部簽訂《廣西(xi)梧州(zhou)京南水(shui)利(li)樞(shu)紐土建工(gong)(gong)(gong)程合同協議書》。永久建筑工(gong)(gong)(gong)程及施(shi)工(gong)(gong)(gong)導(dao)流 工(gong)(gong)(gong)程采用單價承包方式;臨時建筑工(gong)(gong)(gong)程按(an)總價包干,京南施(shi)工(gong)(gong)(gong)局(ju)負責施(shi)工(gong)(gong)(gong)。
工程總量
土(tu)(tu)石方(fang)(fang)開(kai)(kai)(kai)挖136.06萬立(li)(li)方(fang)(fang)米(mi)(mi),土(tu)(tu)石方(fang)(fang)填筑(zhu)76.45萬立(li)(li)方(fang)(fang)米(mi)(mi),漿砌石6.154萬立(li)(li)方(fang)(fang)米(mi)(mi),混(hun)凝土(tu)(tu)26.48萬立(li)(li)方(fang)(fang)米(mi)(mi),金屬結構制作安(an)裝(zhuang)3715t,帷幕(mu)灌漿5000m,固(gu)結灌漿1726m 。合(he)同工(gong)期為(wei)55個月。實際開(kai)(kai)(kai)工(gong)日(ri)期為(wei)1993年9月開(kai)(kai)(kai)始壩基開(kai)(kai)(kai)挖,10月土(tu)(tu)石圍 堰(yan)形(xing)(xing)成(cheng)(cheng),風、水(shui)、電(dian)系統(tong)形(xing)(xing)成(cheng)(cheng),12月砂石、混(hun)凝土(tu)(tu)拌和系統(tong)形(xing)(xing)成(cheng)(cheng),并開(kai)(kai)(kai)始澆 筑(zhu)縱向(xiang)圍堰(yan)混(hun)凝土(tu)(tu)。1994年9月開(kai)(kai)(kai)始澆筑(zhu)廠房基礎混(hun)凝土(tu)(tu),1997年3月一期工(gong)程完 成(cheng)(cheng),6月28日(ri)第一臺機組(zu)發電(dian)。