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Seismic microzoning from geotechnical properties of sediments and soils



Seismic microzoning from geotechnical properties of sediments and soils



Pages 143-148 1995



Proxies for amplitude enhancement, seismic rigidity and attenuation coefficient deduced from geotechnical properties, together with an empirical estimate of liquefaction potential deduced from the proportion of sand and water in unconsolidated materials are correlated with damage intensities for the 1987 Edgecumbe earthquake. The results suggest that the incident energy is being both absorbed and transmitted. The transmitted energy manifests itself as an increase in amplitude, thereby enhancing damage by increased intensity of shaking. However, the absorbed energy is not obviously correlated with an increase in liquefaction potential.

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Accession: 019985330

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