机械振动引起的高层建筑共振与减振响应实测

刘佩,朱海鑫,杨维国,皇甫楠琦

Tests on resonance and vibration mitigation responses of high-rise building under machine excitations

Pei LIU,Hai-xin ZHU,Wei-guo YANG,Nan-qi HUANGFU

表 5 3种锯石机工作频率下的结构响应对比

Tab.5 Comparison of structural responses at three vibration frequencies of sawing machines

fm/Hz PGA/（m·s−2） VL/dB RMSamax/（m·s−2） 1.50 0.019 9 78 8.0×10-3 1.33 0.003 9 56 5.8×10-4 1.20 0.001 5 49 2.2×10-4