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新江海河闸位于海门江心沙农场新江海河入江口处,为三孔节制闸,具有防洪、排涝、引水及航运等功能。该闸为永久性二级水工建筑物,按百年一遇高潮位设计,三百年一遇高潮位校核。设计排涝流量为313m~3/s,引水流量为410m~3/s。闸室总净宽32(10+12+10)m,采用三孔一联整体底板结构,底板总宽37.2m,长18.0m,厚1.7m,四周齿坎深0.8m,混凝土强度等级为C20。闸室底板混凝土施工需一次浇筑,不得留设施工缝,更不能产生裂缝,故按大体积混
The new Jianghaihe Gate is located at the entrance of Xinjianghe River at Xinsha Farm, Haimen River. It is a three-hole control gate with functions of flood control, drainage, water diversion and shipping. The gate is a permanent two hydraulic structures, designed according to the once-in-a-century orgasm level, and once in three hundred years a check for a high tide level. Design drainage flow of 313m ~ 3 / s, water diversion flow of 410m ~ 3 / s. The total clearance width of the lock chamber is 32 (10 + 12 + 10) m. The overall floor width is 37.2m, the length is 18.0m, the thickness is 1.7m, the depth of tooth ridge is 0.8m, the concrete strength is C20 . Gate chamber floor concrete construction needs a pouring, shall not leave construction joints, but also can not produce cracks, so by large volume mixed