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银厂沟是一条多期次的老泥石流沟,对湾东电站的引水压力管道及电站厂房的建设和运行带来直接的威胁。在现场调查的基础上,对银厂沟泥石流形成条件进行详细的分析,并以此为依据,分析预测了暴发大规模泥石流的可能性及其危害性。研究表明,银厂沟属中度危险的泥石流沟,危险度值为0.52。基于以上认识,提出了以拦挡为主,拦排结合的治理工程措施,为湾东电站建设和运行中的泥石流防治提供了可靠的依据。
Yinchanggou is a multi-time old debris flow ditch, which directly threatens the construction and operation of diversion pressure pipelines and power plant of Bay East Power Station. Based on the field investigation, the formation conditions of debris flow in Yinchang Gully are analyzed in detail, and based on this, the possibility of the large-scale debris flow outbreak and its harmfulness are analyzed and predicted. The study shows that the risk of debris flow in Yinchanggou is moderately dangerous, which is 0.52. Based on the above understanding, this paper proposes a combination of engineering measures with barricade and combination of barricade and stoppage to provide a reliable basis for the prevention and control of debris flow in the construction and operation of the Bayan Hydropower Station.