承轨结构设计采用铁路规范与建筑规范的比较

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摘要研究目的：本文以贵阳北站的承轨层为对象，分别根据概率极限法和容许应力法，从典型软件计算结果比较、预应力梁的预应力度控制、预应力梁裂缝控制等方面，对两种规范的计算结果进行比较分析，对桥建合一站房中承轨层结构的合理设计方法进行探讨。

研究结论：(1) 两种设计规范并没有本质上的冲突，对预应力承轨梁按两种规范进行预应力度的适度控制，就能实现框架承轨结构的合理设计; (2) 框架承轨梁裂缝控制应按桥梁规范进行计算。

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	邱剑
	叶志雄
	温四清
	谢先义

关键词 ：桥建合一, 承轨梁, 概率极限法, 容许应力法, 预应力度

Abstract：Research purposes: Taking the support rail layer of the Guiyang North Railway Station as an illustration，this paper comparatively analyzes the calculation result with the railway code and the calculaltion result with building code by the probabilistic limit states method and the permissible stresses method from the areas of the comparison of the calculation results with the typical software，the control of the prestress degree of the prestressed beam and the control of the crack of the prestressed beam，and discusses the design method for the structure of the support rail layer of the bridge combined with station building．

Research conclusions:(1) There is no essential conflict between the railway codes and building codes，and the reasonable design of the framed support rail structure can be realized by appropriate control of the prestressing degree of the prestressed support rail beam according the railway codes and the building codes．(2) The calculation should be made according to the bridge codes for control of the crack of the framed support rail beam．

Key words： bridge combined with building support rail beam probabilistic limit states method permissible stress method prestressing degree

收稿日期: 2012-07-12

PACS:

U24

作者简介: 邱剑，1971 年出生，男，教授级高级工程师，一级注册结构工程师

引用本文:

邱剑;叶志雄;温四清;谢先义. 承轨结构设计采用铁路规范与建筑规范的比较[J]. 铁道工程学报, 2012, 29(11): 78-81.
QIU Jian，YE Zhi － xiong，WEN Si － qing，XIE Xian － yi. Comparison between Railway Codes and Building Codes in Design of Support Rail Structure. 铁道工程学报, 2012, 29(11): 78-81.

链接本文:

http://tdgcxb.crec.cn/CN/ 或 http://tdgcxb.crec.cn/CN/Y2012/V29/I11/78

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