上海及周边地区高速公路桥头跳车现象的调研

Studies on Abutment Bumping on Expressway in Shanghai and Surrounding Areas

调查了上海主要高速公路及与上海相连的江苏省多条高速公路部分路段平整度和跳车情况,分析了跳车现象和平整度σ值的关系,提出了跳车感评价标准。在资料调研与比较分析的基础上,对上海地区桥头跳车现状及成因进行了分析。最后结合上海地区"迎世博市政道路三年整治行动",简介了桥头跳车专项整治技术措施。

Investigation is made of the levelness and bumping of the main expressways in Shanghai and Jiangsu Province connected to it, with analysis of the relation between bumping and levelness 'σ', and proposed criteria for appraisal thereof. Based on such investigation and comparative analysis, the existing abutment bumping in Shanghai area and its causes are studied, and in connection with the Three Years Road Renovation for the World Expo in Shanghai, the special technique for renovation of abutment bumping is briefly introduced.