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武汉市新洲县道观河水库,是一座以灌溉为主,结合发电养殖综合利用的大型水库,建于1965年,北平灌溉渠系建有渡槽6座,总长4243米,沙河渡槽是其中最长的一座,长1684米,通过流量为12米~3/秒。结构型式为简支矩形槽身,宽2.8米,高1.9米,由排架支承,最高排架为19.5米。1969年施工时,槽身接缝采用柏油砂板嵌缝,螺丝扁铁压橡胶板止水。山于柏油和橡胶板老化,漏水现象特别严重。如果更换一次橡胶板,
Daojianhe Reservoir in Xinzhou County of Wuhan City is a large-scale reservoir mainly dominated by irrigation and integrated with power generation and aquaculture. Built in 1965, there are 6 aqueducts in the Peiping irrigation canal with a total length of 4243 meters, of which Shahe Aqueduct is the longest One, 1684 meters long, through the flow of 12 m ~ 3 / sec. Structure for the simple rectangular tank body, 2.8 meters wide and 1.9 meters high, supported by the rack, the maximum rack 19.5 meters. Construction in 1969, the body joints seams with asphalt sand, screw flat rubber pressure plate sealing. Mountain asphalt and rubber sheet aging, water leakage is particularly serious. If you change the rubber plate,