Paper Title:
The Seismic Response Analysis of Isolation Structure with Shape Memory Alloy Re-Centring Dampers
  Abstract

Shape memory alloy (SMA) is provided with preferable damp capacity at pseudo-elasticity state, applying this property, a SMA re-centring damper is introduced by some scholars. In this paper, the new isolation system combining the above damper with laminated rubber bearing is proposed, so as to obtain preferable isolation character and re-centring capacity. To illustrate the feasibility and effectiveness of the proposed system, the following work is done: First, according the constitution model of SMA at pseudo-elasticity state the program is compiled, then the mechanical behavior of damper is simulated and the hysteretic curve is obtained. Based on the above, a linear restoring model for SMA re-centring damper is put forward. And then, the program based on the theory of story model for shear tape is compiled to conduct elasto-plastic time history analysis of practical structure examples, According to the results, the seismic response of structure is significantly reduced, and the fully re-centring capacity after earthquake is obtained by this isolation system.

  Info
Periodical
Chapter
Chapter 1: Architectural Design and its Theory
Edited by
Xuejun Zhou
Pages
81-90
DOI
10.4028/www.scientific.net/AMM.99-100.81
Citation
X. Y. Miao, S. L. Wang, Y. J. Fan, "The Seismic Response Analysis of Isolation Structure with Shape Memory Alloy Re-Centring Dampers", Applied Mechanics and Materials, Vols. 99-100, pp. 81-90, 2011
Online since
September 2011
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$32.00
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