Development of A Composited Foundation Constructed at Soft Ground Site Taking into Account High Vibration Attenuation Performance and Global Environment

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Aiming to propose a rational hybrid foundation that is able to decrease the response of structures subjected to an earthquake, a new goematerial with high damping performance that is able to be used as a planting base was developed, and the response simulation analysis of the foundation was executed. As a result, it is turned out that the stress-strain relation of the material in the range to large strain (approx. 15%) is linear and has not a clear yield point. In addition, strength of the material increases by the confining pressure load. Moreover, the effectiveness of the response decrease of the proposed hybrid foundation was verified through the simulation analysis.