毕业设计--道路工程设计

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1、 i 摘要摘要 本设计是对武宁-吉安高速公路 A12 段（K53+700K57+900）进行的道路工 程设计。路基设计宽度为 34.5m，全封闭双向六车道高速公路。本设计先整理了 各种设计资料和依据，对沿线自然条件、设计技术标准和主要经济技术指标进行 了研究。然后进行了路线设计，包括了平面设计、纵断面设计、横断面设计、平 纵组合设计和土石方计算与调配。接着对路基进行了设计：布置路基横断面，并 对路基的排水、防护和特殊路基进行了设计。接着又对路面进行了设计：对道路 行车进行了轴载换算后设计了路面结构， 并进行了应力验算。 设计最后对挡土墙、 桥梁涵洞和环境保护与景观进行了简单设计。 关键词：关键

2、词：武宁吉安高速公路，选线设计，路基设计，路面设计。 ii AbstractAbstract The design is the road design of the Wuning - Jian A12 free way paragraph (K53 +700 K57 +900) engineering. Subgrade design width of 34.5 m, six lanes and closed the entire free way. According to a variety of information and the basis for the design, We

3、finish the road design (graphic design, profile design, cross-sectional design, level design and vertical composition and deployment of calculation of earth and stone) by the natural conditions, technical standards and design technology and major economic indicators. Then the subgrade for the design

4、: cross-sectional layout embankment and subgrade drainage, protection and subgrade for the special design. Then on the pavement to the design: a road traffic axle load conversion after the design of the pavement structure, and the stress checking. Finally, the design of retaining walls, bridges, culverts and environmental protection and a simple landscape design. Key words: Wuning - Jian free way, the alignment design, the subgrade design, pavement design. iii 目目 录录 1 设计资料与依据设计资料与依据1 1