由于我国国土面积相对较广，且地势分为三个阶梯，这就决定了在高速公路路基施工过程中，容易受到各种不同地质条件和因素的影响，一旦处理不当，就会出现不同程度的沉降、路面开裂和塌陷等问题。因此，本文就对高速公路施工中路基土方开挖技术进行深入的分析和探究。

Because our country land area is relatively wide and the terrain is divided into three steps, so in the expressway roadbed construction process, it is easy to be affected by various geological conditions and factors. If it is not handled properly, there will be some problems such as settlement, pavement cracking and collapse. Therefore, this paper carries on the thorough analysis and the exploration to the subgrade earthwork excavation technology in the expressway construction.

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