The combination resonance of a simple supported beam under two excitation forces was studied.
研究了简支梁在两个激振力作用下的组合谐波响应。
It also introduces implementation of simple supported beam (slab) bridge reforming via practical instances.
通过实例，介绍简支梁(板)桥改造的实施方式。
The vertical loaded free frequencies for the different span simply supported beam Bridges are investigated with the vehicle bridge system model.
采用车-桥系统相互作用的计算模型，对不同跨度简支梁桥的竖向有载自振频率进行了深入研究。
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