1、第 1 页 共 67 页 贵阳市环城高速公路 K6+600K8+000 段路基路面综合设计 摘要 本设计是贵阳市环城高速公路 K6+600K8+000 段路基路面综合设计路基路 面综合设计。 本设计路段全长1.4km, 采用高速公路设计标准, 设计时速100km/h, 双向四车道,路基宽 26m,其中行车道宽 27.5m,中央分隔带宽 2m,路缘带宽 0.75m,硬路肩宽 3m,土路肩宽 0.75m。 本设计内容包括主线平面设计,路线纵断面设计,路基横断面设计,边坡稳 定性分析,挡土墙设计,边坡防护设计,路基路面排水设计,路面结构设计几个 方面。 路线设计中严格遵照行业规范,所有线型指标均满足
2、高速公路最低线型指标 要求,并综合考虑了经济性要求。路基横断面设计中,选择最高边坡进行边坡稳 定性分析,并在高边坡路段设置俯斜式路堤挡墙和护脚墙。排水设计中,对排水 沟、边沟尺寸进行了水力计算。水泥路面和沥青路面设计中,两种路面分干燥和 中湿两种状态各三种备选方案,通过比选,各选出了一种最优方案。本设计应用 了纬地等软件。完成了英文文献重塑膨胀粘土掺合石灰、氯化钙和稻壳灰的工 程特性的翻译。 本计算书对各项设计内容进行了全面叙述。 关键词:高速公路; 路基路面; 设计 第 2 页 共 67 页 K6+600K8+000 SECTION OF AROUND THE CITY EXPRESSWAY
3、 IN GUIYANG CITY COMPREHENSIVE DESIGN OF SUBGRADE AND PAVEMENT ABSTRACT This design is a K6+600K8+000 section of around the city Expressway in GuiYang City comprehensive design of subgrade and pavement of comprehensive design of subgrade and pavement. The design section of the span is 1.4km, highway
4、 design standards, design speed 100km/h, bi-directional four-lane roadbed 26m wide, carriageway width 2x7.5m, Central bandwidth 2m, curb bandwidth 0.75m, hard shoulder width 3m, road shoulder width 0.75m. This design includes the main line graphic design, road vertical section design cross section d
5、esign of subgrade, slope stability analysis, retaining wall design, side slope protection design, drainage design of subgrade and pavement, pavement structural design aspects. Route design in strict accordance with industry norms, all highway line indicators are true minimum line requirements, and c
6、onsidering the economic requirements. Cross section design of subgrade, select the highest slope slope stability analyses, and set the dip in high slope road section and foot wall of embankment retaining wall. Drainage design, hydraulic calculation the drains, ditches. Concrete and asphalt pavement design, both dry and wet road surface three alternative programmes of the two States, by comparison, to pick an optimal plan. Design and application of weft software. Completed the English lite