Finite Element Analysis of Anti-reflective Crack for Geosynthetic in Asphalt Overlay of Airport Runway
To make clear the work mechanism of geosynthetic in asphalt overlay under the aircraft wheel loads,one 3D dimension finite element model was constructed on the basis of the general purpose finite element software ABAQUS.Numerical calculation results with different geosynthetic modulus are presented in this paper,and show that it is very limited for geosynthetic to reduce bottom stress and surface deformation of asphalt overlay,and asphalt overlay bottom is in compression state,thus,geosynthetic can not exert its film tension function,namely the main role ofgeosynthetic is not to bear loads together with asphalt overlay,but to improve stress state of asphalt overlay for preventing cracks appearance or delaying cracks expansion.
Geosynthetic Reflective crack Finite element method Asphalt overlay Airport runway
Zhigang Luo Yan Liu Suiyuan Wang Bo Diao
China Airport Construction Group Corporation of CAAC,111 North 4th Ring East Rd,Chaoyang District,Be Key Laboratory of Road Structure & Material,Research Institute of Highway,MOT,08 Xitucheng Rd,Haidia Beijing University of Aeronautics and Astronautics,37 Xueyuan Rd,HaiDian District,Beijing,100091,Chi
国际会议
西安
英文
847-850
2012-06-12(万方平台首次上网日期,不代表论文的发表时间)