当前形势下,交通运输对国民经济的快速发展发挥着越来越重要的作用,而铁路运输又是其重要组成部分。为了加强社会稳定建设,就必须搞好铁路运输。影响工程质量、沉降预防的关键工程就是要加强铁路路基的施工建设。本文对路基施工质量控制和路基沉降做出深入分析,以使铁路运输事业更好的促进国民经济发展。 Under the current situation, transportation plays an increasingly important role in the rapid development of the national economy, and railway transportation is an important part of it. In order to strengthen the social stability, we must improve rail transport. Affect the quality of the project, the key project of settlement prevention is to strengthen the construction of railway subgrade. This article makes an in-depth analysis of subgrade construction quality control and subsidence so that railway transportation can better promote national economic development.