Huangbizhuang reservoir is one of the most dangerous reservoirs in the whole country, its safety and danger is directly related to the people's safety in the lower reaches.
黄壁庄大型水库系全国重点病险库之一，其安危直接牵动着下游几十个市县的安全，关系重大。
This article bases on practice of building seepage prevention wall in secondary dam of Huangbizhuang reservoir, analyses the causes of the accident, and summarizes precautionary and treatment methods.
根据黄壁庄水库副坝防渗墙的施工实践，分析了这些事故发生的原因，并总结了预防措施以及发生事故后的处理方法，这对今后混凝土防渗墙的施工是个借鉴。
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