Compared with the test results, the calculation methods of the initial rotational stiffness and the bearing capacity and the mathematic model were testified to be true.

将建议公式计算值和试验结果作了比较，验证了初始转动刚度和极限承载力的计算方法和数学模型的正确性。

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Building a finite element model of bridge, which accurately reflects the true structure's stiffness and mass distribution, can improve the precise of dynamic analysis results of structure very much.

有限元模型对桥梁质量和刚度分布模拟是否准确，直接影响桥梁的动力分析结果。

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