高速公路工作宽度受限护栏的设计与应用

Design and Application of Expressway Barriers with Restricted Working Width

为了解决部分高速公路护栏工作宽度受限问题、安全防护问题、景观设计问题,依据研究经验、理论分析数据、仿真模拟结果,提出了一种A级和一种SB级梁柱式钢护栏设计方案。按照《公路护栏安全性能评价标准》的规定,采用实车足尺碰撞试验对这2种护栏的安全性能进行评价。试验结果表明:设计的2种护栏的拦截功能、导向功能、缓冲功能均满足要求,在应用中可成功防护事故车辆,取得了良好的应用效果。

In order to solve problems of restricted working width,safety protection and landscape design of partial expressway barriers,the design schemes of a A-level and a SB-level beam column steel barriers are proposed according to the study experience,theoretical analysis data and analogue simulation results.On the basis of the stipulations in Safety Performance Evaluation Standard of Highway Barriers,the full-scale vehicle impact tests are used to evaluate the safety performances of the two barriers.The test results show that the intercepting performance,guiding performance and buffering performance of the two designed barriers can satisfy the requirements.The two barriers can successfully prevent the accident vehicles.The good effect has been obtained in the application.