Suitable Energy Dissipation Device for Private Typical Buildings with Poor Seismic Performance
Author(s):
Abstract:
Different kinds of passive and active control methods, their advantages and disadvantages, and their feasibility for buildings in Iran are investigated during this study. The main focus of this study is on passive control techniques used in private typical buildings with relatively low seismic performance, which are quite common in Iran. This study also includes a brief outline of different passive dampers and vibration absorbers. According to the technical and economical issues, it is shown that tuned liquid column-gas damper, TLCGD, is one of the best options for enhancing the seismic behavior of typical buildings in the country. A simple yet accurate procedure is proposed to estimate equivalent damping ratio corresponding to the TLCGD. Finally, through a numerical assessment, effect of TLCGD is investigated. Based on the obtained results, TLCGD can reduce rout mean square (RMS) response of buildings, but its capability in reducing the maximum response depends on the excitation itself. TLCGD was shown an efficient scheme for enhancement of seismic capacity of both new and under-operation existing buildings.
Language:
English
Published:
Journal of Seismology and Earthquake Engineering, Volume:14 Issue: 2, Summer 2012
Pages:
131 to 143
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