随着国民经济的快速发展, 公路建设在中国如火如荼地进行着, 高速公路的改扩建工程是非常繁重的工程.论文从实际高速公路扩建工程出发, 讨论路基加宽施工中具体操作, 为实际施工提供参考.%With the rapid development of national economy, highway construction is in full swing in China. The expansion project of expressway is still very heavy. This paper discusses the concrete operation of roadbed widening construction from the actual expansion project of expressway, and provides reference for actual construction.
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