重庆鹅公岩轨道大桥静力稳定分析研究  

Comprehensive Comparison of Study on Static Stability of Egongyan Track Bridge in Chongqing City

作　　者：戴建国 沈锐利[2] 王春江[3] 臧瑜 DAI Jianguo;SHEN Ruili;WANG Chunjiang;ZANG Yu

机构地区：[1]上海市政工程设计研究总院(集团)有限公司,上海市200092 [2]西南交通大学土木工程学院,四川成都610031 [3]上海交通大学船舶海洋与建筑工程学院,上海市200240

出　　处：《城市道桥与防洪》2022年第1期61-64,M0008,共5页Urban Roads Bridges & Flood Control

摘　　要：重庆鹅公岩轨道大桥位于既有鹅公岩大桥上游70 m,主桥采用钢箱梁自锚式悬索桥结构。结合大桥专题科研成果,就三家研究单位在研究中对超大跨径自锚式悬索桥静力稳定分析中所采用的加载方式、判定准则及其结论上的异同等关键问题进行综合比较和分析研究,并对后续工作做出展望。Egongyan Track Bridge in Chongqing City is located at the upper stream 70 m of the existing Egongyan Bridge.Its main bridge is a steel box beam self-anchored suspension bridge.Combined with the special scientific research achievements of the bridge,the loading methods and decision criteria used in the analysis on the static stability of overlong-span self-anchored suspension bridge by three institutes,and the key problems of the similarities and differences of the conclusions are comprehensively compared,analyzed and studied.The follow-up work is prospected.

关 键 词：自锚式悬索桥 静力稳定性 几何非线性 材料非线性 超大跨径 

分 类 号：U488.25[交通运输工程—载运工具运用工程]