摘要
由于某些地区自然环境的特殊性,风压比较大,为了保证行车安全,必须进行在风压向外侧影响下对汽车行驶的横向稳定性分析,得出风压向外侧时圆曲线半径公式并与标准[1]采用的圆曲线半径公式进行比较,提出风压向外侧时的圆曲线半径公式是合理的。同时运用此结论计算出不同海拔、不同等级风影响下的圆曲线一般最小半径值。
Because of the particularity of the natural environment in some areas and the large wind pressure,it must be analysised that the vehicle＇ s lateral stability under the lateral wind pressure in order to guarantee safety ,and then get the formula of the radius of circular curve under the lateral wind pres- sure. Compared with the formula of the radius of circular curve in the standard ,the new formula used in the situation under the lateral wind pressure is reasonable. Meanwhile, using this conclusion, it can get the general minimum radius of circular curve of different altitudes and different grade wind, which can be ref- erenced in the design of highways.
出处
《公路工程》
北大核心
2012年第5期104-107,共4页
Highway Engineering
基金
交通部西部交通建设科技项目(2011 318 772 1260)
关键词
风压
风压向外侧
圆曲线半径
wind pressure
the lateral wind pressure
the radius of circular curve
