Dynamic test and analysis of vibration problem of a steel structure platform with industrial equipment
This paper took the vibration problem under the external excitation of a steel structure platform with industrial devices as the background,and conducted a dynamic test on the acceleration and speed response of the typical position under the state of the platform vibration device opening and the state of natural disturbance,and established the global and local models for modal analysis by using 3D3S(V14.10)software.Then the structure under the simplified vibration conditions was analysed by using ABAQUS software for harmonic response analysis.The results show that the excitation frequency is not the significant frequency of resonance.Finally,a transient dynamic analysis under simplified vibration conditions was carried out,and a comparative analysis of the vibration-damping effect of the two reinforcement methods of increasing the plate thickness and increasing the beam-column cross-section was carried out.The results of the analysis show that,for this type of steel structure platform,the increase of the floor stiffness and structural stiffness cannot significantly reduce the vibration level,and vibration isolation should be adopted to solve the vibration problem of the structure caused by the excitation of the equipment for the similar structure.
steel structure platform with industrial equipmentvibrationmodal analysisharmonic response analysistransient dynamics analysistest research
NETL
NSTL
万方数据
维普
