公路路肩墙损坏原因及防治方法

The causes and prevention methods of highway shoulder wall damage

针对目前许多普通公路挡土墙在公路营运时墙顶被汽车压坏、墙体倒塌甚至造成车毁人亡事故的现象,从施工、设计、养护方面深入分析造成公路浆砌片石挡土墙墙体倒塌、墙顶压碎的主要原因,从设计上指出2~3车道的路肩墙墙传统设计的不足,提出在挡土墙墙顶增设混凝土墙帽的改进措施,并对该措施方案进行计算和公路建设实例论证该措施的必要性和有效性,以及在施工过程及营运养护时相应的防治措施。以保证公路建设的经济和保障公路营运中行车的安全、舒适、畅通,最大限度发挥公路的使用功能。

In view of the present many ordinary highway shoulder retaining wall in highway operating the wall by a car when a crush, wall collapse and even elderly accident phenomenon, in-depth analysis from the aspects of construction, design and maintenance caused by road slurry build by laying bricks or stones expressed his shoulder wall collapsed, the wall of the main causes of roof crush, points out the shortage of traditional retaining wall design from the design, at the top of the retaining wall is put forward to establish the improvement measures of concrete wall cap and a calculation is made on the scheme and highway construction examples demonstrate the necessity and effectiveness, as well as in the construction process and operation maintenance of the corresponding prevention measures.To ensure the economy and security of highway construction of highway operating in traffic safety, comfortable, smooth, maximum road use function into full play.