摘要
山区高速公路受地形、地物等因素限制,平面圆曲线半径往往取值较小,致使停车视距难以满足规范要求。结合济南至泰安高速公路项目,针对桥梁和路基范围分别提出解决停车视距不足的措施,并计算不同圆曲线半径对应的护栏内移宽度。
The expressway in mountain areas is limited by the terrain, the ground objects and other factors, and the radius of the circular curve tends to be relatively small, which makes stopping sight distance difficult to meet the standard requirements. According to the Jinan - Tai＇an expressway project, the measures to solve the shortage of stopping sight distance are proposed. The removing width of the guardrail is calculated according to the radius of different circle curves.
关键词
山区高速公路
停车视距
护栏内移宽度
expressway in mountain areas
stopping sight distance
removing width of the guardrail
