【摘要】 车荷载和环境荷载常导致沥青路面产生表面裂缝 ,并向深度发展 ,影响道路使用功能。应用权函数基本理论 ,推导出路面表面裂缝应力强度因子的计算方法 ,并编制相应程序计算路面应力强度因子 ,得出胎压和水平力对路面表面应力强度因子影响非常大。该方法简洁、有效 ,对工程应用非常有益。更多还原

【Abstract】 Due to traffic and environmental stresses, cr acks are often generated on the surface in asphalt pavement,which can develop directly vertically and influence the service of pavement greatly.The method to calculate the stress intensity factor of asphalt pavement′s edge crack is derived according to weight function mechanis m. The program is also selfmade to calculate the stress intensity fa ctor The calculation shows that the pressure of tyre and the horizontal force of edge pavemen t influence the stress intensity factor greatly.The weight function method i s very simple and efficient,which will do well in engineering applicat ions.更多还原