Employing glass panels with rounded corners to mitigate seismic damage in architectural glass wall systems

Ali M. Memari, P. A. Kremer

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

Racking motions during an earthquake can lead to serviceability failure (e.g., glazing gasket pullout, sealant damage, glass edge damage and glass cracking) or even ultimate failure (in the form of glass fallout that presents a threat to life safety) in conventionally glazed wall systems - even those that meet current building code provisions for nonstructural elements. A new approach to mitigation of seismic risk in conventionally glazed wall systems with architectural glass panels has been developed at the Building Envelope Research Laboratory (BERL) at The Pennsylvania State University. The essence of the approach is to modify the rectangular geometry of architectural glass panels at the corners through rounding. A pilot study at BERL has shown that rounding the corners of architectural glass panels can increase the drift capacity of the panels significantly and that maximum effectiveness is achieved by employing rounded corners with a 1 in. radius of curvature along with beveled and polished glass edges. Results of these in-plane dynamic racking tests performed on full-scale mock-ups of curtain wall sections glazed with architectural glass panels of different glass types, employing various radii of curvature at the corners, various glass edge conditions, and varying glass-to-frame clearances are presented.

Original languageEnglish (US)
Pages (from-to)231-241
Number of pages11
JournalAdvances in Earthquake Engineering
Volume9
StatePublished - Dec 1 2001
EventThird International Conference on Earthquake Resistant Engineering Structures, ERES III - Malaga, Spain
Duration: Sep 4 2001Sep 6 2001

Fingerprint

glass
Glass
damage
Research laboratories
curvature
Mockups
Fallout
Sealants
fallout
Earthquakes
mitigation
safety
geometry
earthquake
Geometry

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Geotechnical Engineering and Engineering Geology

Cite this

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abstract = "Racking motions during an earthquake can lead to serviceability failure (e.g., glazing gasket pullout, sealant damage, glass edge damage and glass cracking) or even ultimate failure (in the form of glass fallout that presents a threat to life safety) in conventionally glazed wall systems - even those that meet current building code provisions for nonstructural elements. A new approach to mitigation of seismic risk in conventionally glazed wall systems with architectural glass panels has been developed at the Building Envelope Research Laboratory (BERL) at The Pennsylvania State University. The essence of the approach is to modify the rectangular geometry of architectural glass panels at the corners through rounding. A pilot study at BERL has shown that rounding the corners of architectural glass panels can increase the drift capacity of the panels significantly and that maximum effectiveness is achieved by employing rounded corners with a 1 in. radius of curvature along with beveled and polished glass edges. Results of these in-plane dynamic racking tests performed on full-scale mock-ups of curtain wall sections glazed with architectural glass panels of different glass types, employing various radii of curvature at the corners, various glass edge conditions, and varying glass-to-frame clearances are presented.",
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Employing glass panels with rounded corners to mitigate seismic damage in architectural glass wall systems. / Memari, Ali M.; Kremer, P. A.

In: Advances in Earthquake Engineering, Vol. 9, 01.12.2001, p. 231-241.

Research output: Contribution to journalConference article

TY - JOUR

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AU - Kremer, P. A.

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N2 - Racking motions during an earthquake can lead to serviceability failure (e.g., glazing gasket pullout, sealant damage, glass edge damage and glass cracking) or even ultimate failure (in the form of glass fallout that presents a threat to life safety) in conventionally glazed wall systems - even those that meet current building code provisions for nonstructural elements. A new approach to mitigation of seismic risk in conventionally glazed wall systems with architectural glass panels has been developed at the Building Envelope Research Laboratory (BERL) at The Pennsylvania State University. The essence of the approach is to modify the rectangular geometry of architectural glass panels at the corners through rounding. A pilot study at BERL has shown that rounding the corners of architectural glass panels can increase the drift capacity of the panels significantly and that maximum effectiveness is achieved by employing rounded corners with a 1 in. radius of curvature along with beveled and polished glass edges. Results of these in-plane dynamic racking tests performed on full-scale mock-ups of curtain wall sections glazed with architectural glass panels of different glass types, employing various radii of curvature at the corners, various glass edge conditions, and varying glass-to-frame clearances are presented.

AB - Racking motions during an earthquake can lead to serviceability failure (e.g., glazing gasket pullout, sealant damage, glass edge damage and glass cracking) or even ultimate failure (in the form of glass fallout that presents a threat to life safety) in conventionally glazed wall systems - even those that meet current building code provisions for nonstructural elements. A new approach to mitigation of seismic risk in conventionally glazed wall systems with architectural glass panels has been developed at the Building Envelope Research Laboratory (BERL) at The Pennsylvania State University. The essence of the approach is to modify the rectangular geometry of architectural glass panels at the corners through rounding. A pilot study at BERL has shown that rounding the corners of architectural glass panels can increase the drift capacity of the panels significantly and that maximum effectiveness is achieved by employing rounded corners with a 1 in. radius of curvature along with beveled and polished glass edges. Results of these in-plane dynamic racking tests performed on full-scale mock-ups of curtain wall sections glazed with architectural glass panels of different glass types, employing various radii of curvature at the corners, various glass edge conditions, and varying glass-to-frame clearances are presented.

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