The healthy RCBs and the RCBs with local looseness of reinforce steel bar and reinforce concrete are designed and manufactured.
设计、制造了健康钢筋混凝土梁和钢筋混凝土局部松脱梁各若干根。
2
The parameters of vibrational characteristics for healthy and broken RCBs were calculated by the model and the mode parameters of a real RCB were tested.