【摘要】 阐述了各国公路交通调查研究进展状况,综述了公路桥梁交通荷载调查分析与仿真模拟研究现状,总结了对桥梁结构分析影响较大的车重、轴重、车速、车距、车道及车辆行驶的横向位置等交通荷载参数的研究现状和目前仍存在的问题;最后对未来公路桥梁交通荷载调查与仿真模拟的研究方向进行了展望。更多还原

【Abstract】 The research progressing of highway traffic survey at home and abroad was expounded,and the existed research status of investigation statistics and simulation for random traffic loading on the highway bridges was summarized.The detailed review mostly focused on the existed research status of several key parameters influencing bridge structure analysis,such as vehicle weight,axle weight,vehicle speed,vehicle distance,traffic lane and transverse location.Furthermore,the existed problems at present were summed up.Finally,research directions of highway traffic loading investigation and simulation in the future were prospected.更多还原