The Applied Research of Cement-Soil in the Road and Bridge Design

Based on the actual design and construction experience, the application of cement-soil in road and bridge foundation is designed. First of all, the basic parameters of foundation soil are determined through coring; then, the mix proportion of cement-soil is designed; Finally, the structural design is conducted on cement-soil according to different usages. The results show that using the cement-soil to improve the road and bridge subgrade, it can not only effectively improve the subgrade strength and durability, but also be convenient for construction, save a lot of building materials and reduce the project cost, which has a great guiding significance on the design and construction of the bridge.