运营实桥在线监测系统的建立及数据初步分析
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摘要
针对实际运营环境及结构受力情况建立了某大型单拱肋中承式钢拱桥的在线监测系统,并以监测数据为基础,初步分析了结构的应变、加速度及环境温湿度变化情况,为同类桥梁结构的受力分析及运营实桥结构在线健康监测系统的实践应用提供参考。
According to the actual operating environment and structural stress condition, the online structural monitoring system is established on a half-through steel arch bridge with single arch face. On the basis of monitoring records, the data of the strain, acceleration, temperature and humidity are preliminarily analyzed. The system establishing practice and test data analysis could provide effective references to structural analysis of similar bridge and practical application of the structural online monitoring system.
According to the actual operating environment and structural stress condition, the online structural monitoring system is established on a half-through steel arch bridge with single arch face. On the basis of monitoring records, the data of the strain, acceleration, temperature and humidity are preliminarily analyzed. The system establishing practice and test data analysis could provide effective references to structural analysis of similar bridge and practical application of the structural online monitoring system.
引文
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[2]李惠,欧进萍.斜拉桥结构健康监测系统的设计与实现系统设计(I)-系统设计[J].土木工程学报,2006,39(4):39―44.Li Hui,Ou Jinping.Design and implementation of health monitoring systems for cable-stayed bridges(II)-design[J].China Civil Engineering Journal,2006,39(4):39―44.(in Chinese)
[3]李惠,欧进萍.斜拉桥结构健康监测系统的设计与实现系统实现(II)-系统实现[J].土木工程学报,2006,39(4):45―53.Li Hui,Ou Jinping.Design and implementation of health monitoring systems for cable-stayed bridges(II)-implementations[J].China Civil Engineering Journal,2006,39(4):45―53.(in Chinese)
[4]李爱群,缪长青,李兆霞,等.润扬长江大桥结构健康监测系统研究[J].东南大学学报:自然科学版,2003,33(5):544―548.Li Aiqun,Miao Changqing,Li Zhaoxia,et al.Health monitoring system for the Runyang Yangtse River Bridge[J].Journal of Southeast University(Natural Science Edition),2003,33(5):544―548.(in Chinese)
[5]Ko J M,Ni Y Q.Technology developments in structural health monitoring of large-scale bridges[J].Engineering Structures,2005,27(12):1715―1725.
[6]孔庆凯.大跨中承式拱桥短吊杆结构行为研究[D].成都:西南交通大学,2003.Kong Qingkai.Structural behavior study on short suspenders of half through arch bridges with large span[D].Chengdu:Southwest Jiaotong University,2003.(in Chinese)
[7]林力成.大跨度拱桥稳定性研究[D].陕西:长安大学,2006.Li Licheng.Study on stability of long span arch bridge[D].Shaanxi:Chang’an University,2006.(in Chinese)
[8]项海帆,刘光栋.拱结构的稳定与振动[M].北京:人民交通出版社,1991:1―11.Xiang Haifan,Liu Guangdong.Stability and vibration of arch structure[M].Beijing:China Communications Press,1991:1―11.(in Chinese)
[9]余波,邱洪兴,王浩,等.苏通大桥结构健康监测系统设计[J].地震工程与工程振动,2009,29(4):170―177.Yu Bo,Qiu Hongxing,Wang Hao,et al.Health monitoring system for Sutong Yangtze River Bridge[J].Journal of Earthquake Engineering and Engineering Vibration,2009,29(4):170―177.(in Chinese)
[10]周文松,李惠,欧进萍,等.大型桥梁健康监测系统的数据采集子系统设计方法[J].公路交通科技,2006,23(3):83―87.Zhou Wensong,Li Hui,Ou Jinping,et al.Design method of data acquisition system of health monitoring systems for long span bridges[J].Journal of Highway and Transportation Research and Development,2006,23(3):83―87.(in Chinese)