Seismic Performance of Base-Isolation Building Subjected to Near-Fault Ground Motion with Velocity Pulse

Abstract:

The seismic response of the base-isolated structure can be reduced significantly in the far-field region compared to the conventional seismic structure. However, near-fault ground motions with velocity pulse may cause the adverse influence on the seismic performance of the base-isolation building, which needs to be investigated deeply. In this paper 6 ground motions with velocity pulse are selected as the input, and the seismic response of a 9 layers conventional seismic RC frame building and comparative base-isolation building with lead-core rubber bearings are obtained by nonlinear time history analysis. The result indicates that base-isolation building with lead-core rubber bearings are of good aseismic performance under the near-fault ground motions with velocity pulse.

• Periodical: Applied Mechanics and Materials (Volumes 580-583)
• Pages: 1700-1703
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.580-583.1700
• Online since: July 2014
• Authors: Qiu Mei He, Ya Qi Li, Ya Min Zhao, Yu Yang
• Keywords: Base-Isolation Building, Near-Fault Pulse-Like Ground Motion, Nonlinear Time History Analysis, Seismic Response

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