摘要
首先介绍了国家规范对道路建筑限界的要求,阐述了安全带宽度对道路建筑限界宽度的影响,安全带宽度在不同的路缘石高度下的具体位置。随后对道路建筑限界在道路平面半径小半等于250m时的路段加宽设计纳入道路建筑限界的范畴,通过不同规范对加宽值进行计算,并给出建议的计算方式和合理的加宽值,以便在城市道路红线调整困难的情况下,给出了灵活处理道路建筑限界的要求的方案。
The article introduces the requirements of the national regulation for the building limit of road, and sets forth the influence of safety zone width on the width of road building limit and the specific positions of safety zone width at the different heights of curb. For the building limit of road, the widening design of road section is included in the category of road building limit when the plane radius of road is less than and equal to 250 m. According to the different standards, the widening value is calculated, and the proposed calculation method and the reasonable widening value are given. So that, the scheme agilely handling the requirements of road building limit is given under the condition of hard adjusting the boundary lines of the urban roads.
出处
《城市道桥与防洪》
2018年第8期43-49,共7页
Urban Roads Bridges & Flood Control
关键词
道路限界
安全带
侧向净宽
加宽计算
road limit
safety zone
lateral clear width
widening calculation
