Chapter
May 7, 2012
Development of Failure Prediction Models for Structural Sealant Glazing Systems under Cyclic Racking Displacement Conditions
Authors: A. M. Memari [email protected], X. Chen, P. A. Kremer, and R. A. BehrAuthor Affiliations
Publication: Building Integration Solutions
Abstract
A research project was undertaken recently at Penn State University to study the simulated seismic performance of "Structural Sealant Glazing" (SSG) used to adhere glass panels to common curtain wall framing systems. In the most common type of SSG curtain wall construction, referred to as "two-side" SSG, two glass panel edges (typically opposing vertical edges) are adhered to the support framing using structural sealant, while the other glass panel edges are mechanically fastened to the support framing. In this study, full-scale two-side SSG curtain wall mock-ups consisting of three, side-by-side glass panels were subjected to cyclic racking displacements to characterize their performance and to identify sealant and glass component failure modes under serviceability and ultimate racking displacement conditions. Attempts were also made to develop kinematic-based models to predict failure states (e.g., structural sealant failure) of the SSG curtain walls. This paper discusses the details of the predictive model and its evaluation on the basis of comparisons with mock-up test data. The model developed appears to give good estimates of the observed sealant failure drift. Conclusions and recommendations regarding appropriateness and limitations of the predictive model are provided.
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© 2006 American Society of Civil Engineers.
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Published online: May 7, 2012
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Affiliations
Associate Professor, Department of Architectural Engineering, Penn State University, 104 Engineering Unit A, University Park, PA 16802,. E-mail: [email protected]
X. Chen
Graduate student, College of Architecture and Urban Planning, University of Michigan
P. A. Kremer
Research Associate, Department of Architectural Engineering, Penn State University
R. A. Behr
Professor and Head, Department of Architectural Engineering, Penn State University
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