Ricles, James M., Karavasilis, Theodore L. and Sause, Richard (2009) Seismic design and evaluation of steel MRFs with compressed elastomer dampers. In: Sixth International Conference on Behaviour of Steel Structures in Seismic Areas (STESSA 2009), Philadelphia, Pennsylvania, U.S.A., Aug 16-20, 2009. Published in: STESSA 2009: Proceedings of the Sixth International Conference on Behaviour of Steel Structures in Seismic Areas, Chapter 15 pp. 101-107.

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Abstract

This paper evaluates the hysteretic behavior of an innovative compressed elastomer structural damper and its applicability to seismic resistant design of steel MRFs. The damper is constructed by precompressing a high damping elastomeric material into steel tubes. This innovative construction results in viscous-like damping under small strains and friction-like damping under large strains. A hysteretic model for the damper is presented and calibrated using test data obtained under sinusoidal loading. A simplified design procedure was used to design seven different systems of steel MRFs combined with compressed elastomer dampers in which the properties of the MRFs and dampers were varied. The combined systems are designed to achieve performance which is similar to or better than the performance of conventional steel MRFs designed according to current seismic codes. Based on the results of nonlinear seismic response analyses, target properties for a new generation of compressed elastomer dampers are defined.

Item Type:	Conference Item (Paper)
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery
Divisions:	Faculty of Science > Engineering
Journal or Publication Title:	STESSA 2009: Proceedings of the Sixth International Conference on Behaviour of Steel Structures in Seismic Areas
Publisher:	CRC Press
ISSN:	ISBN: 978-0-415-56326-0
Book Title:	Behaviour of Steel Structures in Seismic Areas
Date:	2009
Volume:	Chapter 15
Page Range:	pp. 101-107
Identification Number:	10.1201/9780203861592.ch15
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Funder:	Pennsylvania Department of Community and Economic Development, National Science Foundation (U.S.) (NSF)
Grant number:	CMS-04002490 (NSF)
Conference Paper Type:	Paper
Title of Event:	Sixth International Conference on Behaviour of Steel Structures in Seismic Areas (STESSA 2009)
Type of Event:	Conference
Location of Event:	Philadelphia, Pennsylvania, U.S.A.
Date(s) of Event:	Aug 16-20, 2009
URI:	http://wrap.warwick.ac.uk/id/eprint/46447

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