山区高速公路互通式立交变异形式及适用性

发布时间：2018-01-13 10:08

本文关键词：山区高速公路互通式立交变异形式及适用性　出处：《长安大学》2014年硕士论文　论文类型：学位论文

【摘要】：在经济发展的强势带动下，国内的交通事业也在迅猛向西部山区推进，然而山区的地形地貌、气候环境、交通需求、城镇分布等与东部地区有很大差异，特别是互通式立交占地面积大，与山区用地条件复杂的矛盾尤为突出。目前山区高速公路在进行立交建设时，仍然是在直接套用东部的设计方法，未能结合山区高速公路建设的特点，既破坏了周围的自然环境，又给工程建设带来了较大的浪费。本论文研究的目的是为山区复杂环境条件下，修建互通式立交提供新思路。在总结国内外文献的基础上，首先分析了山区高速公路和互通式立交的特点以及山区互通式立交选型的影响因素，将在山区布置互通式立交的限制条件分为两类：高差限制和平面限制，并提出了立交平面影响区域，除了互通式立交用地范围，还分析了互通式立交与立交、隧道、服务设施、收费站间的合理距离。通过总结山区互通式立交的限制条件，提出了变异立交的概念，并以常规形式的互通式立交为基础，通过理论分析并结合在实际工程中应用的变异立交形式，，将变异立交按位置划分为：常规形式分离变异立交、连接线变异立交、匝道变异立交和变异组合式立交。在此分类的基础上，由常规形式匝道、变异匝道及连接线进行自由组合，得到了多种变异立交形式。从驾驶习惯、构造物层数、山区限制条件等考虑，推选出33种变异立交形式，并通过详细分析每种变异立交形式的特点，明确了各种变异立交形式的适用性，开拓了山区复杂环境下的互通式立交设计思路，为推进西部山区的公路事业具有重要意义。本文的研究扩展了山区特殊条件下的互通式立交形式，增强了对山区环境的适应性。
[Abstract]:Driven by the strong economic development, the domestic transportation industry is also rapidly advancing to the western mountainous areas. However, the terrain, climate, environment, traffic demand, urban distribution and so on are very different from the eastern region. Especially the interchange occupies a large area, and the contradiction with the complex conditions of mountain land is particularly prominent. At present, the mountain expressway is still directly applying the eastern design method in the construction of the interchange. The failure to combine the characteristics of highway construction in mountainous areas not only destroys the surrounding natural environment, but also brings great waste to the engineering construction. The purpose of this paper is to provide a new way of thinking for the construction of interchange under the complex environment of mountain area. On the basis of summing up the domestic and foreign literature. Firstly, the characteristics of expressway and interchange in mountainous area and the factors influencing the type selection of interchange in mountainous area are analyzed. The constraints of arranging interchange in mountain area are divided into two categories: height difference limit and plane limit. In addition to the scope of the interchanges, the paper also analyzes the interchanges and interchanges, tunnels and service facilities. The reasonable distance between toll stations. By summing up the limitation conditions of mountain interchange, the concept of variant interchange is put forward, and based on the conventional form of interchange. Based on the theoretical analysis and combined with the application of the variant interchange in practical engineering, the variant interchange is divided according to its location: the conventional form is separated from the variant interchange, and the connection line is divided into the variant interchange. On the basis of this classification, the routine ramp, the variant ramp and the connection line are combined freely, and many kinds of variant interchange forms are obtained from the driving habits. Considering the number of structural layers and the restricted conditions of mountain areas, 33 variant interchange forms were selected, and the applicability of each variant interchange form was clarified by analyzing the characteristics of each variant interchange form in detail. The design idea of interchange in the complex environment of mountainous area is developed, which is of great significance for promoting the highway undertaking in the western mountainous area. The research in this paper extends the interchanges under special conditions and enhances the adaptability to mountain environment.
【学位授予单位】：长安大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U412.352.1

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