The analysis shows that the variation of the formed mode before and after the excavation of roads, the plastic deformation due to too large backfill subgrade, the sliding, shear failure of th...

• 分析表明,道路开挖前后受力模式的变化、回填土路基过大的塑性变形及开挖界面的滑动剪切破坏是造成修复区路面损坏的主要原因。