摘要
本设计为三级道路初步设计论文,起点桩号K0+000.000,终点桩号K1+366.356,道路全长1366.356米。道路等级为城市次干道III级,设计速度为30km/h。设计内容主要包括路线平面设计、纵断面设计、横断面设计,沥青路面设计,排水设计,以及平面交叉口设计等。该路线方案结合了湖南科技大学的校园长期规划蓝图,并对道路沿线的各学生公寓、食堂、教学楼等进行了实地考察,遵循城市道路设计的一般原则进行设计。在曲线设计中,考虑了学校学生的出行便利,因此纵坡不宜过大。但由于部分路段高差相对较大以及路线两侧已有建筑物地坪标高的限制,纵断面设计中的最大纵坡达到了3.8%,这给非机动车的行驶带来了一定的困难。
关键词:平曲线;路基;土石方;挡土墙;沥青混凝土;排水
Abstract
This design is the preliminary design for Zhizhi Road at Hunan University of Science and Technology,with the starting pile number K0+000.000 and the ending pile number K1+366.356,covering a total road length of 1,366.356 meters.The road grade is classified as an urban secondary trunk road III,with a design speed of 30 km/h.The design primarily comprises horizontal alignment design,longitudinal profile design,cross-sectional design,asphalt pavement design,drainage design,and intersection design.The route plan integrates the long-term campus planning blueprint of Hunan University of Science and Technology,and conducts field investigations on various student dormitories,canteens,and teaching buildings along the road,adhering to the general principles of urban road design.In the curve design,convenience for students'travel is taken into account,thus the longitudinal gradient should not be too steep.However,due to the relatively large elevation difference in some sections and the limitation of the existing building ground elevations on both sides of the route,the maximum longitudinal gradient in the longitudinal profile design reaches 3.8%,posing certain difficulties for non-motorized vehicles.
Keywords:Horizontal Curve;Roadbed;Earthwork;Retaining Wall;Asphalt Concrete;Drainage
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