Research on 3D Geological Model Based on Borehole Data of Regional Seismic Safety Evaluation
Based on the borehole data of the regional seismic safety assessment project,this paper models the wave velocity difference stratification of shallow strata with an underground depth of 100 m according to the wave velocity histogram and the borehole data of the study area,stratifies and models the strata of 100～600 m according to the previous controlled boreholes near the study area,and uses kriging interpolation to solve the situation of less borehole data,and analyzes the variogram type in kriging interpolation,and then verifies the correctness of the model by seismic wave forward modeling.The model can be used for seismic wave forward simulation,and the seismic response characteristics are obtained,and the modeling method is relatively simple,which is helpful for geological technicians to understand and analyze the engineering geological body.
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