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高速公路路基加宽施工中,必然会考虑到路基的沉降差异及其整体稳定问题,新路基的施工会引导致新旧路基的沉降差异及路基边坡的失稳,所以高速公路路基的扩建加宽工程当中软土地基工程的重点就是要怎样做到减小新旧路基的沉降差异,确保新旧路基的有效衔接。对此,本文做了详细的论述与介绍。
During the construction of expressway subgrade widening, the settlement difference of subgrade and its overall stability will inevitably be taken into consideration. The construction of new subgrade will lead to the settlement difference of old and new roadbed and the instability of subgrade slope, so the expansion of expressway subgrade is widened In the project, the key point of soft soil foundation engineering is how to reduce the difference between the settlement of new and old subgrade and ensure the effective connection of new and old subgrade. In this regard, this article made a detailed discussion and introduction.