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Optimum Tuned Mass Dampers for Structures at Rock and Soil Sites
Author(s) -
Nigdeli Sinan Melih,
Bekdas Gebrail
Publication year - 2014
Publication title -
pamm
Language(s) - English
Resource type - Journals
ISSN - 1617-7061
DOI - 10.1002/pamm.201410092
Subject(s) - tuned mass damper , harmony search , rock mass classification , geotechnical engineering , geology , earthquake resistance , structural engineering , seismology , damper , engineering , computer science , artificial intelligence
In optimum design of tuned mass dampers (TMD), several factors are effective. One of the most important factors is the characteristics of the excitation. Earthquake excitations recorded at soil and rock sites show different characteristics in period and damping. In this paper, optimum TMD properties are separately searched for seismic structures at soil sites and rock sites. For each optimization, six different earthquake records were used. A design methodology was used by employing harmony search (HS). The approach was applied to a ten story structure with one second critical period. Although more damping ratio for TMD is needed for soil sites than rock sites, TMD is more effective for rock sites than soil sites. (© 2014 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)