Experimental Evaluation of a Sacrificial Seismic Fuse Device for Masonry Infill Walls
Publication: Journal of Architectural Engineering
Volume 13, Issue 2
Abstract
Presented herein are the details and results of an experimental study conducted to evaluate the performance of a proposed infill wall fuse system. The purpose of this system, referred to as the seismic infill wall isolator subframe (SIWIS) system, is to prevent damage to columns or infill walls due to infill-frame interaction through a “sacrificial” component or a “structural fuse.” The SIWIS system conceptually consists of two vertical and one horizontal sandwiched light-gauge steel studs with SIWIS elements in the vertical members. The experimental study presented here involves the in-plane lateral load testing of a two-bay three-story steel frame in three forms of bare frame, infilled braced frame, and pinned frame equipped with the proposed SIWIS device. In addition, a brick wall in-plane strength test and a series of component tests on three different designs for fuse element were conducted. In the conducted tests, the suggested technique initially engages the infill walls in seismic resistance of the frame, but ultimately isolates them. It is concluded, thus, that the proposed fuse system has the potential for the development of an effective way to reduce earthquake damage in framed buildings with infill walls.
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Acknowledgments
Partial funding for this study was provided by the National Science Foundation under Grant No. NSFCMS-9983896. The support of National Science Foundation is gratefully acknowledged. The views expressed in this paper are those of the writers and do not necessarily represent those of the National Science Foundation.
References
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Information & Authors
Information
Published In
Journal of Architectural Engineering
Volume 13 • Issue 2 • June 2007
Pages: 111 - 125
Copyright
© 2007 ASCE.
History
Received: Jan 6, 2006
Accepted: Oct 12, 2006
Published online: Jun 1, 2007
Published in print: Jun 2007
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