首页 | 官方网站   微博 | 高级检索  
     

土质路基双块式无砟轨道混凝土支承层设计分析
引用本文:颜华,翟婉明,李春霞,罗震.土质路基双块式无砟轨道混凝土支承层设计分析[J].铁道工程学报,2007(Z1).
作者姓名:颜华  翟婉明  李春霞  罗震
作者单位:1. 中铁二院工程集团有限责任公司,成都,610031
2. 西南交通大学,成都,610031
摘    要:研究目的:通过理论分析与多方案优化比选,研究双块式无砟轨道结构受力与变形特性,进而选择合理的混凝土支撑层型式及结构设计参数。研究结果:建议双块式无砟轨道混凝土支撑层的设计方案为:混凝土支撑层伸缩缝与道床板伸缩缝错开设置,厚度为30 cm,采用C20混凝土浇筑,且与道床板通过门形钢筋连接。

关 键 词:双块式无砟轨道  混凝土支承层  数值分析  结构设计

Analysis of Designing Concrete Supporting Layer of Bi-block Sleeper Track in Soil Foundation
YAN Hua,ZHAI Wan-Ming,LI Chun-Xia,LUO Zhen.Analysis of Designing Concrete Supporting Layer of Bi-block Sleeper Track in Soil Foundation[J].Journal of Railway Engineering Society,2007(Z1).
Authors:YAN Hua  ZHAI Wan-Ming  LI Chun-Xia  LUO Zhen
Affiliation:YAN Hua LI Chun-Xia China Railway Eryuan Engineering Group Co.Ltd,Chengdu,Sichuan 610031,China ZHAI Wan-Ming LUO Zhen Southwest Jiaotong University,Chengdu,Sichuan 610031,China
Abstract:Research purposes:The characteristics of stress and deformation of the bi-block sleeper track are researched by theoretical analysis and optimizational comparision,and then proper format and structure parameters for design of concrete supporting layer are chosen. Research results:The design project of concrete supporting layer for bi-block sleeper track is suggested: expansion joints of concrete supporting layer and bi-block sleeper track slab should be staggered,and the thickness of it is 30 cm,using concrete C20 casting,and joining with the slab by portal reinforcement.
Keywords:bi-block sleeper track  concrete supporting layer  numericical analysis  structure design  
本文献已被 CNKI 维普 万方数据 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司    京ICP备09084417号-23

京公网安备 11010802026262号