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subsurface drainage facility
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subsurface drainage facility
Encyclopedia
工学
公路路基
释
subsurface drainage facility
地下排水设施
排除路基范围内的地下水或降低地下水位的设施。当地下水影响路基强度或稳定时,应根据地下水类型、含水层埋藏深度、地层的渗透性等条件及对环境的影响,采取地下排水设施进行拦截、引排、疏干、降低或隔离。
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