1、 No 1 摘 要 本设计为*管辖范围内公路的一段,即大苏河至陈家店段公路 设计。设计车速为 60km/h,双向二车道,路基宽度为 12m,行车道为 23.75m。 本次设计的主要内容如下: 主要设计内容包括:一、路线设计:平曲线设计、纵断面设计、 横断面设计。二、路基设计:排水设计。三、路面结构设计等。 此路线全长4193.224m, 平曲线设 3个交点, 圆曲线半径为 400m。 纵断面设置了 10 个竖曲线,其中包括 6 个凸形竖曲线和 4 个凹形竖 曲线, 竖曲线最小半径2000m, 最大半径22000m, 最小坡度为0.362%, 最大坡度为 4.424%,且都满足了平纵面线形组合设
2、计中的各种要求。 路面结构设计采用沥青混凝土路面(柔性)。 公路横断面由行车道、路肩、边沟、边坡等部分组成。 整个设计都严格遵守我国交通部现行规范,计算包括公路的平、 纵、横断面,路基路面结构和边沟排水结构。 关键词: 平面;纵断面;横断面;路面;路肩 No 2 Abstract The design of fushun city of liaoning province as jurisdiction of a highway, that SuHe to the store section of highway design. The design of the speed for 60 k
3、m/h, two-way two lanes, roadbed width for 12 m, carriageway for 2 x 3.75 m. The main content of this design is as follows: The main design content includes: a, route design: plane curve design, design, longitudinal cross-sectional design. Second, roadbed design: drainage design. Three, the structure
4、 design, etc. This course is a 4193.224 m, flat curve set three intersect, circular curve radius for 400 m. Set up 10 longitudinal vertical curve, including six convex vertical curve and four hollow shaft curve, vertical curve radius of minimum of 2000 m, 22000 m maximum radius, the minimum gradient
5、 is 0.362%, the biggest slope as 4.424%, and are met longitudinal surface flat linear combination of the design requirements. The pavement structure design of asphalt concrete pavement (flexible). Highway transverse section, the shoulder by carriageway, ditches, slope components. The whole design ar
6、e strictly abide by the ministry of communications in the current specification, including the calculation of highway plane, elevation and transverse section, roadbed structure and ditches drainage structure. Key words: Plane; Longitudinal; Cross-sectional; Pavement; The shoulder No 3 引引 言言 年来,我国公路建设已取得巨大成就。对比世界公路发展 趋势,可认为我国公路交通正处于扩大规模、提高质量的快速发展时 期。由于基础十分薄弱,我国公路建设总体上还不能适应国民经济和 社会发展的需要,与发达国家的先进水平相比还有较大差距。从公路 技术等级看,在全国公路总里程中还有近 20 万公里等外公路,等外 公路占公路总里程的比重达到 14.4%,西部地区更高,达到 21.8, 技