循环荷载下软基土工格室加筋再生沥青路面基层性能研究OA

In order to verify the performance and advantages of geocell reinforced recycled asphalt pavement(RAP)base,the weak base of geocell reinforced RAP foundation was studied under cyclic load.The surface deformation,vertical stress and strain of the geocell at the interface between the base and the subgrade were monitored on unreinforced section with a thickness of 0.30 m and a reinforced geocell section with a thickness of 0.15,0.23,0.30 m.The results show that the geocell reinforced RAP foundation has less permanent deformation and the vertical stress at the interface is obviously reduced.Compared with the unreinforced section,the life of the 0.15,0.23,0.30 m reinforced RAP base section of the geocell is increased by 6.4,3.6,19.4 times respectively under the permanent deformation of 75 mm.