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灌南县小潮河闸拆除重建工程


  主(zhu)要建(jian)设情(qing)况:

  小潮(chao)河闸位于灌(guan)南(nan)(nan)县(xian)新沂河南(nan)(nan)堤(di)110K小潮(chao)河入(ru)灌(guan)河处(chu),主(zhu)要排泄沭阳以上新沂河桃(tao)汛(xun),保(bao)证新沂河滩地30万亩麦收。同时(shi)承(cheng)担汛(xun)期挡洪、汛(xun)后为滩地三(san)麦退水(shui)降(jiang)渍,将桃(tao)汛(xun)水(shui)和汛(xun)后积水(shui)排进灌(guan)河入(ru)海,是一座多功(gong)能、使用频繁的水(shui)工建筑(zhu)物。

  工(gong)程内容(rong):

  新建(jian)小潮(chao)河(he)(he)闸(zha)(zha)(zha)(zha)(zha)为原(yuan)规模(mo)原(yuan)址(zhi)拆除重建(jian),设计流(liu)量为300 m3/s,校(xiao)核流(liu)量440 m3/s,闸(zha)(zha)(zha)(zha)(zha)孔(kong)采用(yong)(yong)3孔(kong),单(dan)孔(kong)净宽12.00m,节制闸(zha)(zha)(zha)(zha)(zha)底(di)(di)(di)槛(jian)高(gao)(gao)程(cheng)为-2.50m,内(nei)、外河(he)(he)侧闸(zha)(zha)(zha)(zha)(zha)墩顶(ding)高(gao)(gao)程(cheng)为9.50m,采用(yong)(yong)弧形钢闸(zha)(zha)(zha)(zha)(zha)门,门顶(ding)设胸(xiong)墙(qiang)(qiang),闸(zha)(zha)(zha)(zha)(zha)室采用(yong)(yong)灌注桩(zhuang)基(ji)础,上(shang)游(you)(you)(you)侧采用(yong)(yong)水(shui)泥(ni)搅(jiao)(jiao)拌(ban)(ban)桩(zhuang)截渗(shen)。闸(zha)(zha)(zha)(zha)(zha)底(di)(di)(di)板(ban)(ban)上(shang)游(you)(you)(you)侧及上(shang)游(you)(you)(you)一(yi)、二级(ji)翼(yi)墙(qiang)(qiang)底(di)(di)(di)板(ban)(ban)下(xia)(xia)(xia)采用(yong)(yong)水(shui)泥(ni)搅(jiao)(jiao)拌(ban)(ban)桩(zhuang)截渗(shen),桩(zhuang)径50cm、水(shui)泥(ni)掺量18%、桩(zhuang)距(ju)30cm、底(di)(di)(di)高(gao)(gao)程(cheng)-10.0m;闸(zha)(zha)(zha)(zha)(zha)底(di)(di)(di)板(ban)(ban)下(xia)(xia)(xia)33.4延米(mi)、翼(yi)墙(qiang)(qiang)下(xia)(xia)(xia)80.8延米(mi)。水(shui)泥(ni)搅(jiao)(jiao)拌(ban)(ban)桩(zhuang)根数380根,水(shui)泥(ni)搅(jiao)(jiao)拌(ban)(ban)桩(zhuang)总工程(cheng)量2660m, 水(shui)泥(ni)搅(jiao)(jiao)拌(ban)(ban)桩(zhuang)加固土(tu)(tu)体(ti)522m3。上(shang)游(you)(you)(you)第一(yi)、二、三、四级(ji)翼(yi)墙(qiang)(qiang)及下(xia)(xia)(xia)游(you)(you)(you)第一(yi)、二、三级(ji)翼(yi)墙(qiang)(qiang)均采用(yong)(yong)钢筋混(hun)凝土(tu)(tu)扶(fu)壁式(shi)(shi)结(jie)构,上(shang)游(you)(you)(you)第五级(ji)翼(yi)墙(qiang)(qiang)及下(xia)(xia)(xia)游(you)(you)(you)第四级(ji)翼(yi)墙(qiang)(qiang)采用(yong)(yong)钢筋混(hun)凝土(tu)(tu)悬(xuan)臂式(shi)(shi)结(jie)构,直线接(jie)圆(yuan)弧平(ping)面布(bu)置型式(shi)(shi)。闸(zha)(zha)(zha)(zha)(zha)上(shang)游(you)(you)(you)布(bu)置30m长(zhang)护坦,再(zai)布(bu)置40m长(zhang)混(hun)凝土(tu)(tu)护底(di)(di)(di)与上(shang)游(you)(you)(you)抛(pao)石(shi)防冲槽(cao)(cao)相(xiang)接(jie),上(shang)游(you)(you)(you)河(he)(he)底(di)(di)(di)高(gao)(gao)程(cheng)为-2.1~-2.5m;闸(zha)(zha)(zha)(zha)(zha)下(xia)(xia)(xia)游(you)(you)(you)布(bu)置40m长(zhang)消(xiao)力池(chi),消(xiao)力池(chi)底(di)(di)(di)板(ban)(ban)顶(ding)高(gao)(gao)程(cheng)为-6.0m,再(zai)向下(xia)(xia)(xia)布(bu)置80m长(zhang)混(hun)凝土(tu)(tu)护底(di)(di)(di)与下(xia)(xia)(xia)游(you)(you)(you)抛(pao)石(shi)防冲槽(cao)(cao)相(xiang)接(jie),下(xia)(xia)(xia)游(you)(you)(you)河(he)(he)底(di)(di)(di)高(gao)(gao)程(cheng)为-4.50m。


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