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摘要本设计为苏沪高速公路K138+150-K140+620段初步设计。主要内容有:平面的设计、纵断面的设计、横断面的设计、路基设计、公路排水及防护工程、路面结构的设计。在设计过程中参考了相关文献资料,并严格按照规范标准设计。线形设计部分,充分考虑了地形地质情况、安全、环保、土地利用、施工条件及经济等因素;纵断面设计根据道路的等级、沿线的自然条件和构造物的控制标高等确定路线的标高、各坡段的纵坡度和坡长,并设计竖曲线;在横断面设计部分综合考虑公路的等级、行车要求、自然地质条件、施工的方法,兼顾当地农田建设,保证路基的稳定和充分排水,来作出恰当的设计。在路基设计部分选择合理的路堤填料与压实标准;在公路排水及防护工程部分充分考虑到当地地质状况,以及美化环境、改善景观和舒缓驾驶人员视觉疲劳等因素,对该路段部分边坡采用草皮护坡以及窗式护面墙等进行防护;在路面结构设计部分,根据设计要求和实地情况选用了沥青混凝土路面。 50905
毕业论文关键词:平纵横设计；路基设计；路面设计
ABSTRACT
This design studies the suhu highway which covers K138+150-K140+620, including: graphic design, alignment design, cross-sectional design, roadbed design, retaining wall design, road drainage as well as protective engineering and pavement structure design. The design is in strict accordance with the code standard and consults related references. The factors of topography, geology, safety, environmental protection, land use, construction condition and economics were taken into consideration in linear design; in the alignment design, according to the road grade, natural conditions and control elevation of structure, the design determines the appropriate elevation, the longitudinal slope and slope length of each slope section, and designs vertical curve; in the part of cross-sectional design, the design considers highway grade, driving requirements, natural geological condition, the construction method, and local farmland construction in order to guarantee the stability of roadbed and drainage. In the roadbed design part we should select reasonable embankment packing and compacted standards; in the part of retaining wall design, the designer uses a gravity retaining wall and sloping base and the economy and safety of retaining wall are taken in account; in the design of highway drainage and protective engineering, in view of the factors of local geology condition, landscaping, landscape improvement and relieving of visual fatigue of drivers, the design uses grass sod as well as facing wall of window-type to protect part of the side slope; in the part of pavement structure design, according to the design requirements and local conditions, the design selects bituminous concrete pavement.
Keywords: flat freely design; subgrade design; pavement design
目 录
第一章 绪论 - 1
第二章 选线 - 2
2.1路线方案的拟订与比选 - 2
2.1.1 线形设计一般原则 - 2
2.1.2 道路等级的确定 2
2.1.3 选线 - 3
2.2 道路技术标准确定 - 4
第三章 平面线形设计 5
3.1 概述 - 5
3.2 路线长D和象限角β的计算 - 5
3.3 方位角 和偏角 的计算 6
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