Abstract: Based on the overload situation at present，we analyse the afect to rut and life of overload vehicles on asphalt concrete pavement，and evaluate the large economy loss on pavement repair because of overload vehicles．It is considered that the main reason of pavement early stage destroy is overload vehicles．

Key words: asphalt concrete pavement, overload , destroy analysis , economy evaluation

摘要： 针对当前车辆超载的情况，分析超载对沥青砼路面的车辙和寿命的影响，并评价了超载对路面维护费用带来的巨大损失，认为超载是造成路面早期破坏的主要原因．

关键词: 沥青砼路面, 超载, 破损机理, 经济评价