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drainage of operating tunnel
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drainage of operating tunnel
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工学
运营期排水
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drainage of operating tunnel
运营期排水
根据工程地质和水文地质条件在隧道内设置衬砌背后环向盲管、纵向盲管、横向排水管、泄水孔、洞内侧沟及中心水沟,以及必要时设置的泄水洞或隧底排水管等排水设施,将隧道周边地下水按照预定路径排放、疏干,保证隧道在运营期间不发生结构渗漏水及其他由于地下水排泄不畅产生的病害。
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