Horizontal Acoustic Barriers for Protection from Seismic Waves

  • Kuznetsov S
  • Nafasov A
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Abstract

The basic idea of a seismic barrier is to protect an area occupied by a building or a group of buildings from seismic waves. Depending on nature of seismic waves that are most probable in a specific region, different kinds of seismic barriers can be suggested. Herein, we consider a kind of a seismic barrier that represents a relatively thin surface layer that prevents surface seismic waves from propagating. The ideas for these barriers are based on one Chadwick's result concerning nonpropagation condition for Rayleigh waves in a clamped half-space, and Love's theorem that describes condition of nonexistence for Love waves. The numerical simulations reveal that to be effective the length of the horizontal barriers should be comparable to the typical wavelength.

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Kuznetsov, S. V., & Nafasov, A. E. (2011). Horizontal Acoustic Barriers for Protection from Seismic Waves. Advances in Acoustics and Vibration, 2011, 1–8. https://doi.org/10.1155/2011/150310

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