多层筛分楼动力测试及振动评价方法研究

Research on Dynamic Testing and Vibration Evaluation Methods of Multi-layer Screening Building

介绍了某多层钢筋混凝土筛分楼结构的动力特性和动力响应测试情况。针对筛分楼结构的振动问题,制定合理的测试方案,并进行现场动力测试。通过对测试数据的处理和分析,获取筛分楼结构的动力特性和动力响应结果。对现场测试数据进行频谱分析和时域分析,获取结构的振源频率和振动规律,并建立振源层楼盖的有限元模型,进一步分析了结构振动的原因。依据振动对结构的影响和人体的影响,综合评定振动对筛分厂房建筑的影响。

The dynamic characteristics and dynamic response tests of a multi-layer reinforcedconcrete screening building structure are introduced.Aiming at the vibration problem of thescreening building structure,formulate a reasonable test plan and conduct on-site dynamic testing.By processing and analyzing the test data,the dynamic characteristics and dynamic response resultsof the screening building structure are obtained.The field test data is analyzed by frequencyspectrum and time domain to obtain the vibration source frequency and vibration law of thestructure,and a finite element model of the vibration source floor is established to further analyzethe cause of the structure vibration.According to the impact of vibration on the structure and thehuman body,comprehensively evaluate the impact of vibration on the screening plant building.