【摘要】 斜拉桥的模态参数是检验有限元动态数学模型的重要依据。根据岳阳洞庭湖大桥模型的对称性 ,在动力试验中采用了模态分离技术 ,为大型桥梁或桥梁模型动力试验提供了一种有效的方法。更多还原

【Abstract】 The modal parameters of the diagonal bridge are very important data in checking FEM dynamic mathematical model method,Due to the structure symmetry of Dongting bridge model,the separation model method is applied in dynamic characteristic test, supplying a sort of effective method for bridge or great model bridge.更多还原