| 长沙地铁正线用60kg/m钢轨9号单开道岔(整体道床)的设计 |
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| 引用本文： | 唐丽. 长沙地铁正线用60kg/m钢轨9号单开道岔(整体道床)的设计[J]. 铁道建筑技术, 2012, 0(10): 6-9,31 |
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| 作者姓名： | 唐丽 |
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| 作者单位： | 中国铁建重工集团有限公司,长沙,410100 |
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| 摘 要： | 根据长沙地铁建设的需要,结合道岔敷设的实际线路情况,设计用于地铁正线的单开道岔。详细介绍了道岔的结构设计,并对导曲线半径、轨底坡、曲线加宽、尖轨顶面纵坡值、扣件、轨道整体刚度与部件刚度的合理范围确定、道岔转换力等各项设计参数进行检算评估。
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| 关 键 词： | 地铁 正线道岔 结构设计 参数评估 |
The Design of No.9 Simple Turnout(Monolithic Bed) with 60 kg/m Rail for Changsha Metro Main Line |
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| Tang Li. The Design of No.9 Simple Turnout(Monolithic Bed) with 60 kg/m Rail for Changsha Metro Main Line[J]. Railway Construction Technology, 2012, 0(10): 6-9,31 |
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| Authors: | Tang Li |
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| Affiliation: | Tang Li(China Railway Construction Heavy Industry Group Co.Ltd.,Changsha 410100,China) |
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| Abstract: | Based on the need of Changsha Metro construction,the simple turnout for metro main line is designed combined with the actual situation of turnout laying.The structure design of turnout is introduced in this paper.The radius of lead curve,rail cant,curve widening,switch rail top longitudinal slope value,rail fastenings and the reasonable scope of track overall rigidity and component stiffness are determined.Turnout switch power and other design parameters are calculated and assessed.The design scheme and drawings are completed. |
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| Keywords: | metro main line turnout structure design parameter estimation |
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