摘要
Road greenbelt design is one of the important parts in urban road system.Zhangye City's road greenbelt design,relying on the general planning concept,namely,'water leads to green space,green space blends the city',emphasizes the harmonious relation between the greenbelt and ecological environment.The concept is adopted to guide the green design of the major roads,subsidiary roads,and trunk roads.It will offer some references for the similar engineering design.
1项目背景1.1张掖市道路状况张掖市区地处甘肃腹地,河西走廊中部,交通比较便利。市区有着较好的旧道路格局,即"三横三竖加一环"的城市道路体系,使城市有了良好的基本骨架。城区现状道路系统基本为方格网结构,间有少量自由式。规划后的道路网分为3级:主干路红线35m;次干路红线25m;