摘要
新河大桥是一座新建的大跨度中承式钢箱提篮拱桥。为确保其运营安全,对新河大桥设计了部分传感器长期固定和部分传感器快速添加的离线监测方案,对结构振动、吊杆索力、主梁挠度、结构应变、结构温度进行长期监测。对比该桥有限元计算结果,对已采集的监测数据进行了分析,评估了该桥的使用状况,为后期管养和监测重点指明方向。结果表明:该桥总体处于安全、可控的状态,但也存在桥梁下游侧的结构构件受力比上游侧偏大的情形,应对下游侧结构受力状态进行持续关注。
Xinhe bridge is a new large-span steel box basket-handle arch bridge.In order to ensure operational safety,an off-line monitoring scheme that part of sensors is long-term fixed and part of sensors is quick added is designed,which can monitor the structural vibration,suspender cable force,girder deflection,structural strain and structural temperature for a long time.Compared with the finite element calculation results of the bridges,the collected monitoring data are analyzed to evaluate the use status of the bridge and indicate the direction for the later maintenance and monitoring.The results show that the bridge is generally in a safe and controllable state,but there is also a situation that the force on the downstream side of the bridge is larger than upstream side,so the stress state of the structure on the downstream side should be paid continuous attention.
作者
王银刚
程华强
廖景胜
郭西锐
程志远
WANG Yingang;CHENG Huaqiang;LIAO Jingsheng;GUO Xirui;CHENG Zhiyuan(BIM Technology Application Engineering Center,Hubei University of Education,Wuhan 430205,China;Hubei BIM Intelligent Construction International Science and Technology Cooperation Base,Wuhan 430205,China;Wuhan Municipal Construction Group Co.,Ltd.,Wuhan 430023,China;Zhixing Science and Technology Nantong Co.,Ltd.,Nantong 226010,China)
出处
《结构工程师》
2022年第2期145-152,共8页
Structural Engineers
基金
湖北省教育厅科学技术研究项目(D20213001)
武汉市市政建设集团项目(ESHX20190101)。
关键词
钢箱拱桥
系杆拱桥
健康监测
数据分析
steel box arch bridge
tied arch bridge
health monitoring
data analysis
