Development and Key Technology of Digital Line Selection System of Urban Rail Transit (URT)
Publication: Computing in Civil and Building Engineering (2014)
Abstract
This paper will introduce the actual development achievements and the key technical problems solved during the developing process of the "Digital Line Selection System of Urban Rail Transit (URT)". Chinese urbanization leads to increases in urban population and transportation demand. The URT construction and design was developed rapidly. However, existing URT design software cannot satisfy the using requirement which causes many problems. The Digital Line Selection System of URT was born to solve the existing problems of China Railway First Survey and Design Institute Group Ltd. The first part of this paper is about the actual achievements of development. The specific functions are mentioned as well, such as rapid construction with triangular grid DTM algorithm, the plane linear model, the interactive design of the "bell mouth" and custom of the grade line entity, etc. The second part will focus on the key technical problem-solving during the developing process. It began with DTM theory and method, and then made the plane general linear model. Next is management and free combination of line schemes and the mutual drive of geometry graph and the design data of the line. It also researched the station position design function of multi station type, the auxiliary line design method of unit and module combination. Finally, this paper will introduce the application of this system. The results show the development of this system is successful, and it will greatly improve the quality, efficiency and level of URT line designing, resulting in significant economic and social benefits.
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© 2014 American Society of Civil Engineers.
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Published online: Jun 17, 2014
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