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一、前言路基是铁道的主体建筑又是轨道结构的基础,其质量的好坏直接影响运输的安全和效率。长期以来在“重桥隧轻线路,重轨道轻路基”的偏向下,路基技术标准低,施工质量差,以致新建铁路不能很快形成运输能力,运营线路上则大量出现路基病害。事实证明路基在铁路工程结构中是最薄弱的环节,不提高路基技术标准,加强路基施工管理和质量检验,
First, the preface Subgrade is the main railway construction is the basis of the track structure, the quality of its direct impact on transport safety and efficiency. For a long time, under the bias of “heavy bridge and light tunnel, heavy rail light roadbed”, the technical standard of subgrade is low and the construction quality is poor so that the new railway can not form transport capacity quickly, and a large number of roadbed diseases occur on the operation line. Facts have proved that roadbed in the railway structure is the weakest link, do not improve the technical standards for subgrade, strengthen subgrade construction management and quality inspection,