南水北调某公路斜桥抗震设计研究

英文篇名：Research on seismic design of one speedway skew bridges in the south-to-north water transfer project
中文刊名：四川建筑科学研究
英文刊名：Sichuan Building Science
作者：张敏 ; 张雷顺
英文作者：ZHANG Min1 ; ZHANG Leishun2(1.Huanghe Institute of Science and Technology ; Zhengzhou 450000 ; China ; 2.Zhengzhou University ; Zhengzhou 450000 ; China)
中文关键词：斜交桥 ; 桥梁抗震设计 ; 数值模拟 ; 地震反应谱
英文关键词：speedway skew bridges ; bridge aseismic design ; numerical simulation ; earthquake response spectrum
出版日期：2011-10-25
机构：黄河科技学院;郑州大学;
年：2011
期：05
出版单位：四川建筑科学研究

摘要

不规则斜交桥梁在地震中易遭到破坏,需要进行抗震设计研究,针对南水北调中线工程演马庄煤矿东北公路斜交桥梁,采用空间梁格法建立有限元模型,用反应谱法理论进行抗震数值分析,验算内力和变形及抗震验算,提出可行的抗震措施和建议,对桥梁设计和施工具有指导意义。
The speedway skew bridge is easily destroyed in earthquake and it's necessary to study on seismic design.The method of space beam gird was adoptde in building finite element model of the speedway skew bridge.The bridge is one of the middle route south-to-north water transferring project.Response spectirum theory is applied in earthquake numerical simulation.Further more,deformation and internal force of the bridge was checked.Through the results of structural seismic check analysis,some effective aseismic measures and suggestions which have guiding singificance for bridge structure design and construction were given.

引文

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