桁式组合拱桥设计的改进措施研究  

Research on Improvement Measures for Design of Combined Truss Arch Bridges

作　　者：唐志[1] 杜镔 丁作常[1] 陈冠桦[1] 

机构地区：[1]贵州省交通规划勘察设计研究院股份有限公司,贵阳550081 [2]山地交通灾害防治技术国家地方联合工程实验室,贵阳550081

出　　处：《公路交通技术》2014年第4期85-88,共4页Technology of Highway and Transport

基　　金：交通部运输部西部交通建设科技项目(200531800017)

摘　　要：基于既有桁式组合拱桥出现的病害成因分析研究成果,对桁式组合拱桥总体设计及局部构造技术改进措施要点进行简要介绍,指出桁式组合拱桥设计方法经过一定改进后,可以满足现行规范的设计要求。Based on the analysis and research achievements on disease and corresponding reasons of the existing combined truss arch bridges, this paper briefly introduces key points in technical improvement measures for overall design and local construction of combined truss arch bridges, and points out that the design methods for combined truss arch bridges after certain improvement can satisfy the design requirements in current specifications.

关 键 词：桁式组合拱桥 设计 构造 改进措施 

分 类 号：U448.22[建筑科学—桥梁与隧道工程]