The first frequency method of estimating the fatigue serviceability on small and medium span railway concrete bridge is discussed in this paper through three piece test beam under fatigue load.
通过三片模拟梁试验实测结果，探讨了基频法评估铁路桥梁疲劳使用性能的可行性。
Test beam provides single particle beam for different experimentation.
试验束能提供不同种类、一定动量的单粒子束流。
Test beam provides single particle beam for different experimentation.
试验束能提供不同种类、一定动量的单粒子束流。
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