中文摘要：

以某悬索桥为例，对比验证频率法、抛物线理论公式计算法及运用有限元分析软件ANSYS数值模拟三种测试索力方法的精确度，结果表明三种方法的精度均满足工程要求，其中，频率法操作简单、计算方便、精度较高，在工程中应用较为广泛。

英文摘要：

With a suspension bridge as an example, such three methods for tes ting the cable force were compared and verified, including frequency method, parabol ic formula calculation method and application of finite element analysis software AN SYS for numerical simulation, the results show that, the accuracy of the three methods all meets the project requirements, among the three methods, the frequency method has the advantages of simple operation, convenient computation and high precision, therefore it has a wide application in engineering.