钢筋混凝土渠道用作输水渠道的优点是投资省、运行成本低 ,所以在全国各地的引水、排水工程中已大量使用。据不完全统计 ,按单管引渠道计算 ,目前已建成的钢筋混凝土输水渠道已达 5 0 0多km。钢筋混凝土渠道替代钢管输水 ,虽具有较大的优越性 ,但因渠道长度较大 ,可能会遇到各 Reinforced concrete channel as a water channel has the advantage of investment in the province, low operating costs, so in all parts of the country’s water diversion, drainage projects have been widely used. According to incomplete statistics, according to the calculation of single-channel diversion channel, the reinforced concrete water channel has been built up to more than 500 km. Reinforced concrete channel instead of steel pipe water, although with greater advantages, but due to the larger channel length, you may encounter each