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Research of GIS Methods on Road Alignment and Evaluating of Urban Road Network Planning

Author: LiShiKe
Tutor: AiJiXi
School: Chongqing University
Course: Building Science,
Keywords: Geographic Information Systems Road line selection Computer-aided design Road Network Evaluation
CLC: U412.1
Type: Master's thesis
Year: 2005
Downloads: 751
Quote: 8
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Abstract


Since the reform and opening up , the national economy continued rapid development of the rapid growth in demand for road transport , road infrastructure construction of vigorous development . The design of the road sector has ushered in unprecedented opportunities for development , but also give them a severe test . How to the design task of the project was completed within a shorter time , but also to achieve the economic optimum , rational layout, the prevailing fast requirements . Computer-aided road line selection can provide support for road design professionals , the computer can provide a more complete design data preparation for the design of the road , while computer-aided design and highway design thinking to become more efficient construction drawings. The more important aspect is that the computer is fast, comprehensive data analysis capabilities to conduct a more comprehensive evaluation of the economic road design . This paper presents a new method of computer-aided road line selection based geographic information system and the method of using the computer more quickly to road design a try . And inadequate means of quantitative evaluation of the status quo for the city road network planning , the evaluation model of urban planning road network reachability road network density, road area density and traffic as the main evaluation indicators . The main content of this article : ( 1 ) computer - aided Summary of the status of the road line selection , the main results achieved in the previous studies , the hot research and development carried out in the direction of a more integrated and comprehensive analysis . ( 2 ) road line selection theory based on geographic information system , mainly analyzes the influencing factors of road line selection and design constraints , which proposed a comprehensive consideration of these factors affect the road line selection method . The ③ computer-aided program of road line selection theory and the instance of the line selection analysis focuses on spatial analysis functions using computer programming language theory need , as well as the use of procedures for the election of a plot line design . The road network evaluation model of the ④ urban planning and realization of the density of the road network , the area density of the road network and traffic reachability three evaluation index calculation methods and the use of computers to achieve , and take advantage of the program on an actual road planning network evaluation and analysis .

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CLC: > Transportation > Road transport > Road works > Planning, surveying and design > Road planning and road network
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