| 客运专线无砟无缝道岔温度力与变形研究 |
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| 引用本文： | 李秋义,孙立,杨艳丽. 客运专线无砟无缝道岔温度力与变形研究[J]. 铁道工程学报, 2007, 0(Z1) |
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| 作者姓名： | 李秋义 孙立 杨艳丽 |
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| 作者单位： | 铁道第四勘察设计院,武汉,430063 |
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| 摘 要： | 研究目的:分析无砟轨道基础上无缝道岔的纵向力传递机理,建立无砟无缝道岔计算模型,采用有限单元法计算了无砟无缝道岔受力及变形,并与有砟轨道无缝道岔进行了对比分析,为无砟无缝道岔设计提供参考依据。研究结果:无砟轨道基础上无缝道岔的纵向力传递机理、温度力和位移分布规律与有砟轨道无缝道岔明显不同。
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| 关 键 词： | 无砟轨道 无缝道岔 温度力 |
Research on the Additional Force and Deformation for Welded Turnout on Ballastless Track of Passenger Dedicated Line |
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| LI Qiu-yi,SUN Li,YANG Yan-li. Research on the Additional Force and Deformation for Welded Turnout on Ballastless Track of Passenger Dedicated Line[J]. Journal of Railway Engineering Society, 2007, 0(Z1) |
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| Authors: | LI Qiu-yi SUN Li YANG Yan-li |
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| Abstract: | Research purposes:The paper gives an introduction to the additional force transfer mechanism of welded turnout on ballastless track,presents the calculation model for welded turnout on ballastless track, calculates additional force and deformation of welded turnout on ballastless track by FEM,the result is compared with ballast track.This paper presentes reference to welded turnout design on ballastless track. Research results:Transmission rules of additional longitudinal forces,additional forces and deformation of welded turnout on ballastless track are differ from ballast track. |
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| Keywords: | ballastless track welded turnout additional force |
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