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DAM HILLSIDE SLOUGHING REMEDIATION PLANNING

机译：大坝山坡疏RE整治计划

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Lake Lynn Dam is a 125-ft high, 1,000-ft long hydropower project, located on the Cheat River in West Virginia, which consists of an integral intake/powerhouse, a gated spillway and two concrete bulkheads. The 51.2 MW project is owned and operated by Allegheny Energy Supply Co., LLC, and has been generating hydroelectric power since 1926. Seepage has been observed along the top of a retaining wall and along the hillside immediately downstream of the dam at the east embankment. Hillside sloughing associated with the seepage has been observed yearly since 2006 and each incident generally occurs further downstream. This paper focuses on the approach and analyses used to identify the hillside seepage source and path in order to identify remediation measures to ensure overall dam safety.rnThe objectives identified in the initial planning of the explorative activities were to evaluate the exiting source of the seepage and to determine if the reservoir is the source. Final results of the field investigations will be used in a determination of an Action Plan for a viable and cost effective remediation solution to the seepage issue through the abutment. After the existing slope has been properly stabilized, a pedestrian/bike path will be constructed atop the scenic hillside downstream of the dam and opened to the public.
机译：Lynn湖大坝是一个125英尺高，1000英尺长的水电项目，位于西弗吉尼亚州的奇特河上，由一个整体的进水口/发电站，一个封闭的溢洪道和两个混凝土隔板组成。 51.2兆瓦项目由Allegheny Energy Supply Co.，LLC拥有和运营，自1926年以来一直在发电。在护堤顶部和东堤坝下游的山坡上观察到渗漏。 。自2006年以来，每年都观察到与渗漏有关的山坡塌陷，并且每次事故通常都发生在下游。本文着重介绍用于识别山坡渗流源和路径的方法和分析，以便确定可以确保大坝总体安全的补救措施。rn在探索活动的初始计划中确定的目标是评估渗流的现存源头和路径。确定水库是否为水源。实地调查的最终结果将用于确定行动方案，以便通过基台对渗漏问题进行可行且具有成本效益的补救方案。在对现有坡度进行适当的稳定后，将在大坝下游风景秀丽的山坡上修建一条人行道/自行车道，并向公众开放。

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