With the background of Pingxiang Zhonghuan East Road,through the combination of array displacement meter automatic monitoring and self-developed Beidou signal receiver,real-time monitoring of subgrade settlement and deformation on the goaf under highway subgrade and comparative analysis with settlement of subgrade in non-mining areas.The results show that the goaf has a certain influence on the subgrade settlement and deformation,and the subgrade settlement of the underlying goaf can be effectively controlled by embedding concrete slab in the field.The settlement of C2 and C3 sections increased steadily and had a significant linear relationship with time.The settlement of C1 section is greatly affected by traffic load and the overall settlement is large.Moreover,the road surface slopes along the cross section toward the center of the route,so it is necessary to reinforce the center of the C1 section.
维普
万方数据