Interstory drifts of multi-story buildings under random earthquake excitations

Gao, W; Wang, C; Zhang, N

Interstory drifts of multi-story buildings under random earthquake excitations

Gao, W Wang, C Zhang, N

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Publication Type:: Journal Article
Citation:: Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 2010, 224 (3), pp. 603 - 614
Issue Date:: 2010-01-01

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Field	Value	Language
dc.contributor.author	Gao, W	en_US
dc.contributor.author	Wang, C	en_US
dc.contributor.author	Zhang, N https://orcid.org/0000-0001-6408-0044	en_US
dc.date.issued	2010-01-01	en_US
dc.identifier.citation	Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 2010, 224 (3), pp. 603 - 614	en_US
dc.identifier.issn	0954-4062	en_US
dc.identifier.uri	http://hdl.handle.net/10453/13540
dc.description.abstract	Interstory drifts of multi-story buildings with interval parameters subjected to stationary or non-stationary earthquake excitations are investigated. A multi-story building is modelled as a shear beam structure. The uncertainties of structural mass, stiffness, and damping are described by interval variables. Using the interval factor method, an interval structural parameter can be expressed as the product of its midpoint value and interval factor. Structural natural frequencies, power spectral density, and mean-square value of seismic random interstory drifts can then be expressed as the functions of interval factors of the structural parameters. The computational expressions for the lower bound, midpoint, upper bound, maximum width, and interval change ratio of the structural random interstory drifts are derived by means of the interval operations. The effects of the uncertainties of the structural parameters on the random responses of an eight-story building are investigated and discussed in detail.	en_US
dc.relation.ispartof	Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science	en_US
dc.relation.isbasedon	10.1243/09544062JMES1878	en_US
dc.title	Interstory drifts of multi-story buildings under random earthquake excitations	en_US
dc.type	Journal Article
utslib.citation.volume	3	en_US
utslib.citation.volume	224	en_US
utslib.for	0913 Mechanical Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Mechanical and Mechatronic Engineering
utslib.copyright.status	closed_access
pubs.issue	3	en_US
pubs.publication-status	Published	en_US
pubs.volume	224	en_US

Abstract:

Interstory drifts of multi-story buildings with interval parameters subjected to stationary or non-stationary earthquake excitations are investigated. A multi-story building is modelled as a shear beam structure. The uncertainties of structural mass, stiffness, and damping are described by interval variables. Using the interval factor method, an interval structural parameter can be expressed as the product of its midpoint value and interval factor. Structural natural frequencies, power spectral density, and mean-square value of seismic random interstory drifts can then be expressed as the functions of interval factors of the structural parameters. The computational expressions for the lower bound, midpoint, upper bound, maximum width, and interval change ratio of the structural random interstory drifts are derived by means of the interval operations. The effects of the uncertainties of the structural parameters on the random responses of an eight-story building are investigated and discussed in detail.

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http://hdl.handle.net/10453/13540