随机干扰作用下扣索拉力的测量技术

Measurement Technique for Tension of Cable under Random Excitation

介绍扣索在随机干扰激励力作用下内力测量的基本原理，讨论了扣索固有频率识别的频域法、时域法以及相关技术问题．试验和实践结果表明扣索内力的动态测试技术简便易行、结果可靠．

This paper introduces the measurement principle of a cable tention under random excitation,and discusses respectively the natural frequency identification methods for a cable in the frequency domain and the time domain,as well as other problems about the measurement technique.The experimental results and engineering application show that the dynamic measurement technique for measuring cable tention is feasible and useful.