台背回填材料及其稳定性

Back of Stepped Pavement Replenished Materials and it's Stability

台背回填要保证填料的密实及稳定,杜绝路基错台、路面开裂、结构位移等现象的发生。

It should be ensure the back replenished materials density and stability. It should put an end to the road basis stage in disorder,surface split open,structure moving position,etc.