铁路常用跨度简支T梁SQMZ型双曲面支座的设计研究  

Research into the Design of SQMZ-Type Hyperboloidal Steel Bearing Used for Simply Supported T-Beam with Common Span in Railway

作　　者：任伟[1] 宋顺忱[1] 

机构地区：[1]铁道第三勘察设计院集团有限公司桥梁处,天津300142

出　　处：《铁道标准设计》2012年第2期46-49,共4页Railway Standard Design

摘　　要：双曲面钢支座是一种适应实际桥梁纵桥向、横桥向两个方向不同转动要求的铁路桥梁钢支座,其具有结构受力合理、使用功能完善、耐久性好等特点。凭借此优点,双曲面支座已应用于多条铁路桥梁工程中。简要介绍了SQMZ型双曲面支座的构造特点、工作原理、设计参数、结构检算及支座试验情况。Hyperboloidal steel bearing is a kind of railway bridge bearing which can adapt both longitudinal and transverse rotational requirements.It has characteristics such as reasonable force structure,perfect functions and good durability.With its advantages,SQMZ-type hyperboloidal bearings have been widely used in many railway bridge structures.This paper introduces the structure characteristics,working principles,series of design parameters,structure calculation and the experiment of SQMZ-type hyperboloidal bearing.

关 键 词：铁路桥 T梁 双曲面支座 

分 类 号：U443.36[建筑科学—桥梁与隧道工程]