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铁路增建二线工程施工,在二线施工过程中,由于天气、填料、压实度等因素影响。二线路基往往会出现线路不稳定情况,为了保证二线路基与既有路基紧密结合,保证行车安全,要将不稳定地段进行改良处理。
Second-line construction of railway construction, in the second-line construction process, due to the weather, packing, compaction and other factors. Second line sub-line instability tends to appear, in order to ensure the second line subgrade and the existing roadbed in close contact with each other, to ensure traffic safety, unstable sections should be improved treatment.