Research on Pre-Load Treatment of Broadened Highway Subgrade

摘要

This paper determines deformation law of the new and old subgrade differential settlement by studying on subgrade deformation characteristics and control methods, mainly by using the method of numerical simulation under certain conditions. By comparing the subgrade differential settlement before and after preloading, it is confirmed that preloading treatment can be used to prevent the road structure from the effect of differential settlement during and after highway widening construction process.