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《Urban Roads Bridges & Flood Control》 2017-12
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Analysis of Factors Affecting Cable Vibration Feature and Study of Measurement System

Fu Liwen;Wu Shuzheng;Xia Qingyun;  
Aiming at the measuring accuracy of long-span bridge health monitoring, and based on the factor analysis of the dynamic characteristics of the different types of cables in practical engineering, using the numerical calculation as the dynamic analysis method of the different types of cable test and the Lab VIEW as the development platform, and using NI(National Instruments) corresponding data acquisition module, a set of test system able to be used for the on-site rapid complete test is built. The system contents mainly include data signal processing(sampling information, filter setting, parameters required for test components), data signal(time domain, frequency domain, cable force) display and storage, and frequency cable force relationship correction. The validation of numerical cable model shows that it fully meets the engineering test accuracy requirements.
【CateGory Index】: U441.3;U446
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