某连续梁桥墩梁偏位长期监测数据分析  

Long-term monitoring and data analysis of the relative displacement of pier girders of a continuous girder bridge

作　　者：李子兵 何博文[2] 张睿 Li Zibing;He Bowen;Zhang Rui(Anhui Expressway Engineering Test and Research Center Co.,Ltd.,Hefei Anhui 230601,China;CCCC Second Highway Consultants Co.,Ltd.,Wuhan Hubei 430056,China)

机构地区：[1]安徽省高速公路试验检测科研中心有限公司,安徽合肥230601 [2]中交第二公路勘察设计研究院有限公司,湖北武汉430056

出　　处：《山西建筑》2024年第19期145-149,154,共6页Shanxi Architecture

基　　金：国家自然科学基金面上项目(52378298)。

摘　　要：针对某连续梁桥出现主梁与桥墩产生相对位移即墩梁偏位的现象,为分析该现象产生原因,建立了长期观测系统与健康监测系统,并对两套系统的各项参数指标数据进行定量分析。结果表明:8号墩附近梁体偏位、8号墩支座偏位以及8号墩墩柱偏位,导致8号墩发生墩梁偏位;8号墩东边柱墩底应力超限,存在开裂风险。分析结果揭示了该现象产生原因,可为管养单位把控桥梁运营安全提供科学参考与指导。In order to analyze the causes of the relative displacement of the main girder and the pier,that is,the deviation of the pier girder,a long-term observation system and a health monitoring system were established,and the parameter index data of the two systems were quantitatively analyzed.The results show that the deviation of the beam body near pier 8#,the deviation of the support of 8#pier and the deviation of pier stud of 8#lead to the deviation of pier beam in pier 8#,and the stress at the bottom of the column on the east side of pier 8#exceeds the limit and there is a risk of cracking.The analysis results reveal the causes of this phenomenon,which can provide scientific reference and guidance for the maintenance unit to control the safety of bridge operation.

关 键 词：连续梁桥 墩梁偏位 长期观测系统 健康监测系统 数据分析 

分 类 号：TU997[建筑科学—市政工程] U442[建筑科学—桥梁与隧道工程]