Seismic Response Mechanism of Carbonate Caverns and Influence Factors in Tazhong Area
详细信息   
摘要
AN id=EnChDivSummary name="EnDivSummary">Based on forward modeling of wave equation, the difference models for karst cave shape,observation system, cave mode are designed,and the mechanism and its influence factors of the cavern seismic response are analyzed. The result shows that amplitude of “string beads” response is enhanced with cave width increasing, but the length of “string beads” doesn’t change. The amplitude of "string beads" first increases and then decreases with cave height increasing. High-density acquisition has better imaging performance and resolution to the small-sized body compared with the conventional observation system. Different response characteristics are corresponding with different patterns of superimposed caves.

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