【Key words】 fundamental frequency; acceleration; speed-varying; bridge surface roughness; identification
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surface roughness of bridge 桥面不平整性
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The surface roughness of bridge plays an important role in causing the vibration of bridge.
桥面的不平整性，对桥梁的动力反应起着重要的作用。
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The rear wheel load on a bridge are given with different surface roughness. The vertical acceleration of the...
平整度较差等级的桥面，车辆垂直加速度较大，车轮对桥的作用力也较大。
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