城市周邊高速公路改擴建若干主要問題研究
[Abstract]:With the rapid development of social economy, the division of labor in urban space is becoming more and more refined, and the relationship between different regions is becoming closer and closer. Part of the existing expressway capacity and some of the technical standards have been unable to meet and adapt to modern traffic needs, traffic capacity and traffic demand has become increasingly inadaptable. This contradiction is especially prominent in the expressway around the city. With the rapid development of urbanization and the continuous expansion of urban population, the scale of the main urban area is constantly expanding, and the early stage of the construction of the expressway surrounding the countryside or the suburbs is gradually changing into the urban area, and the public expectations for the function of the expressway are also increasing. Not only hope highway to provide express transportation service, but also to provide support for land development along both sides of the route. Therefore, how to better solve the problems of various functional requirements and imperfect technical specifications encountered in the reconstruction and extension of the expressway around the city is the main challenge faced by highway builders. Based on the design of Shenhai High-speed Shenzhen Airport to He-ao Expressway (Machine load High-speed) reconstruction and extension project, starting with design control analysis, this paper comprehensively analyzes the control factors that restrict the construction of the project. According to the strict degree of the restriction of engineering construction, the paper puts forward the solution of various control conditions, analyzes the functional requirements of high speed machine load, clarifies the function orientation, and on this basis, analyzes the characteristics of the project. The main technical standard of the project is determined. Finally, the advantages and disadvantages and applicability of various reconstruction and extension methods are analyzed, and the scheme and implementation points of in-situ widening and reconstruction are put forward.
【學(xué)位授予單位】:長安大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:U418.8
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