2.5D Simulation of basin-edge effects on the ground motion characteristics |
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| Authors: | J P Narayan |
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| Institution: | (1) Department of Earthquake Engineering, Indian Institute of Technology, 247 667 Roorkee, India |
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| Abstract: | The effects of basin-edge and soil velocity on the ground motion characteristics have been simulated using 2.5D modeling.
One of the most significant advantages of the 2.5D simulation is that 3D radiation pattern can be generated in a 2D numerical
grid using double-couple shear dislocation source. Further, 2.5D numerical modeling avoids the extensive computational cost
of 3D modeling. The responses of basin-edge model using different soil velocities revealed that surface waves were generated
near the edge of the basin and propagated normal to the edge, towards the basin. Further, the results depict increase of amplification,
duration and surface wave generation with the decrease in soil velocity. |
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| Keywords: | 2 5D simulation radiation pattern basin-edge effects ground motion prediction |
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