The Dynamic Response Of Free Space And Building Under Environmental Vibration

Construction of environmental vibration has drawn increasing concern and attention. Works have appeared in many of the impact due to vibration so that equipment does not work, does not meet the accuracy requirements of process measurement, staff health is affected, dynamic test results are not accurate for engineering application is not reliable data on the surrounding construction vibration impact issues such as environment and adjacent buildings, and even a huge economic losses.Although the environmental vibration to the people’s daily life and production a lot of negative impact, but awareness of the environmental vibration is not very comprehensive, end results of this paper, based on existing research around environmental vibration of a series of theoretical and numerical Research has made some meaningful results have practical applications.l.To the theory of elastic wave as the starting point of the elastic half-space vibration wave propagation, especially in multi-layer soil media in the Discovering the propagation characteristics, involving Ti waves, surface waves and wave energy, etc analysis of the wave in the layer interface reflection and transmission phenomena of waves in the surface soil and ground vibration attenuation of the various waves carry energy proportional.2.The study’s cutoff frequency of formation systems such as vibration and wave dispersion phenomenon, the numerical model of the process leading to fluctuations in the discrete and continuum wave characteristics in different damping treatment and integral step in the identification, artificial Select the border and other issues3.The numerical model of the vibration process to the free field and near-field vibration caused the building damage, and get Discovering the surface and structure propagation.4.The study of the isolation trench in the isolation barrier mechanism, designed by orthogonal experiments, a numerical example to get the parameters of isolation trench isolation effect for the impact of sensitivity. Before and after the isolation trench structure vibration level and the floor surface vibration level and compared the efficiency of vibration isolation isolation trench obtained.