MODAL PARAMETERS IDENTIFICATION RESEARCH OF THE CONCRETE BEAMS CONSIDERING THE TEMPERATURE INFLUENCE

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	MODAL PARAMETERS IDENTIFICATION RESEARCH OF THE CONCRETE BEAMS CONSIDERING THE TEMPERATURE INFLUENCE
	Di, Shengkui; Wang, Lixian
	2009
关键词	Modal identification Frequency temperature impact girder
页码	375-382
英文摘要	Aimed at considering the influence of ambient temperature on the frequency of civil engineering during modal identification, based on the damage detection method of the modal parameters, 3 concrete model beams were tested considering the ambient temperature changing and different damage, the experimental modal were extracted and analysized, the curves of frequency of the beams changing with the ambient temperature and crack were obtained, it is shown that the frequency of concrete beam is sensitive to the environmental temperature, one concrete footbridge was monitored under ambient vibration at different temperatures, the modal frequencies extracted from the monitoring data basically correspond with the experimental results. The temperature has a certain impact on the frequency and should be taken into account during the dynamic test of the concrete bridge.
会议录	PROCEEDINGS OF THE FIRST INTERNATIONAL POSTGRADUATE CONFERENCE ON INFRASTRUCTURE AND ENVIRONMENT
会议录出版者	HONG KONG POLYTECHNIC UNIV
会议录出版地	INST TEXTILES & CLOTHING, YUK CHOI RD, HUNG HOM, KOWLOON, 00000, PEOPLES R CHINA
语种	英语
WOS研究方向	Construction & Building Technology ; Engineering
WOS记录号	WOS:000268249600048
内容类型	会议论文
源URL	[http://119.78.100.223/handle/2XXMBERH/37757]
专题	土木工程学院
通讯作者	Di, Shengkui
作者单位	Lanzhou Univ Technol, Sch Civil Engn, Lanzhou, Peoples R China
推荐引用方式 GB/T 7714	Di, Shengkui,Wang, Lixian. MODAL PARAMETERS IDENTIFICATION RESEARCH OF THE CONCRETE BEAMS CONSIDERING THE TEMPERATURE INFLUENCE[C]. 见:.