基础不均匀沉降对桥梁结构力学性能的影响研究  

Research on the Influence of Foundation Uneven Settlement on structural mechanics Performance of Bridges

作　　者：陈琪 CHEN Qi(CCCCIMG(Ningxia Engineering)Co.,Ltd.,Yinchuan 750001,Ningxia,China)

机构地区：[1]中交基础设施养护集团宁夏工程有限公司,宁夏银川750001

出　　处：《工程技术研究》2023年第6期220-222,共3页Engineering and Technological Research

摘　　要：文章以某高速公路桥梁拓宽工程为研究对象,建立不同跨径布置的小箱梁空间有限元实体模型,分别进行上部结构连接构造的研究,以分析不均匀沉降对桥梁结构的影响,并根据模拟分析结果提出可行性建议,以提升拓宽桥梁的整体质量,确保拓宽桥梁稳定运营。Taking an expressway bridge widening project as the research object,this paper establishes a spatial finite element solid model of small box girders with different span arrangements,and studies the connection structure of the superstructure respectively to analyze the influence of uneven settlement on the bridge structure,and puts forward feasible suggestions according to the simulation analysis results,so as to improve the overall quality of the widened bridge and ensure the stable operation of the widened bridge.

关 键 词：有限元分析 拓宽桥梁 不均匀沉降 

分 类 号：U441[建筑科学—桥梁与隧道工程]