(3) The method being used to analyze ground motion spatial variabilities by analyzing the influence of the variation of spatial distances on ground parameters was studied, and the stochastic prediction models were suggested as well.
Furthermore,the main factors that influence the A10/A63 ratios are found in order to be attenuation relationship of seismic ground motion,division of seismic potential source areas and seismicity parameters.
THE DISCUSSION OF RESPONSE SPECTRUM COMBINATION METHOD UNDER MULTIPOINT EARTHQUAKE MOTION INPUT
The response spectrum method is a important method for seismic design, and seismic designers accepted the method generally, and they think that response spectrum method can describe characteristics of earthquake motion and structural system.
Seismic ground motion analysis of Shanghai Pudong Airport site considering the effects of spatial correlation and irregular topo
The spatial correlation of seismic ground motion, as well as the amplification of soft alluvium and the effect of irregular topography, should be considered.
The surface ground motion was calculated under incidence of the spatially correlative seismic motion by 2D finite element method (FEM) model considering nonlinear properties of the soil by means of the equivalent linear method.
Finally, some characteristics of seismic ground motion calculated for previously mentioned cases are compared.
Prediction of ground motion spectra on solidly frozen bedrock during large earthquakes
Earthquake motion input and its dissemination via the Internet
Stochastic model of bedrock earthquake motion and determination of its parameters
Computed values of displacement for static conditions compare favorably with field measurements and computed values of seismic displacements for a postulated earthquake motion appear reasonable.
Seaquakes, which are characterized by the propagation of vertical earthquake motion at the sea bottom as a compression (longitudinal) wave, are reported to cause damage to ships, and their effect on floating structures is a matter of great concern.
To estimate earthquake motion on the ground surface, a formula of earthquake motion at base rock level was derived.