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The linear design standards based on the Western Highway Traffic Safety

Author: ShiXiaoLi
Tutor: WangXuanCang
School: Chang'an University
Course: Road and Railway Engineering
Keywords: Western Highway Linear design Traffic Safety Technical Specifications Safety Evaluation
CLC: U412.3
Type: Master's thesis
Year: 2005
Downloads: 647
Quote: 20
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Abstract


Safety is one of the goals of the geometric design of highway alignment . In this paper, by drawing on the research of scholars of the road traffic system , the system discussed the mechanism of linear geometric characteristics of the traffic safety impact road conditions ; stabling in the western region of the high-grade highway alignment technical indicators survey analysis proposed western regions due to natural geography, traffic composition , ecological environment , and other factors led to the highway alignment indicators generally low , and lower linear indicators and combinations thereof accident black spots easy to form , can not meet the requirements of the safety of vehicles traveling ; In this regard, the paper based traffic safety highway alignment design ideas of the western region is : local conditions from the reality of the technical indicators , according to the specific circumstances of the area by appropriate changes . According to the guiding ideology , the six principles proposed western highway alignment design should focus grasp technical indicators in the west on a straight-line length, curve radius , line-of-sight , vertical slope , slope length , climbing lane , hedge lane flexibility in the use of the regional highway alignment design systems analysis and recommendation , research findings have strong operational ; Moreover , the paper argues that the full implementation of this idea of security to the highway alignment design needs from two aspects of the evaluation system and evaluation methods to perfect , and then proposed the establishment of a preliminary idea of the road safety evaluation system and continuous evaluation method for highway alignment line method based on the running speed trajectory to highway safety evaluation system of establishing the western region and the country .

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CLC: > Transportation > Road transport > Road works > Planning, surveying and design > Circuit design
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