Study on the Leakage Damage Mechanism and Repair Technology of Shangmaji Weir

As a type of dam with long history and wide range in the construction water conservancy projects my country, weir dams have functions flood control, irrigation diversion. Due to limitation conditions environment at that time, treatment is not standardized enough, which leads different degrees problems dam. Based on example Shangmaji weir, article focuses analysis leakage damage mechanism proposes choose corresponding technology repair it from two angles water-facing slope.