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Buildings 2013, 3(2), 422-441; doi:10.3390/buildings3020422

Analysis of Damage in Laminated Architectural Glazing Subjected to Wind Loading and Windborne Debris Impact

Department of Mechanical and Aerospace Engineering, Missouri University of Science and Technology, Rolla, MO 65409-0050, USA
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Received: 28 March 2013 / Accepted: 14 May 2013 / Published: 22 May 2013

Abstract

Wind loading and windborne debris (missile) impact are the two primary mechanisms that result in window glazing damage during hurricanes. Wind-borne debris is categorized into two types: small hard missiles; such as roof gravel; and large soft missiles representing lumber from wood-framed buildings. Laminated architectural glazing (LAG) may be used in buildings where impact resistance is needed. The glass plies in LAG undergo internal damage before total failure. The bulk of the published work on this topic either deals with the stress and dynamic analyses of undamaged LAG or the total failure of LAG. The pre-failure damage response of LAG due to the combination of wind loading and windborne debris impact is studied. A continuum damage mechanics (CDM) based constitutive model is developed and implemented via an axisymmetric finite element code to study the failure and damage behavior of laminated architectural glazing subjected to combined loading of wind and windborne debris impact. The effect of geometric and material properties on the damage pattern is studied parametrically. View Full-Text
Keywords: wind-borne debris; laminated glazing; continuum damage mechanics (CDM) wind-borne debris; laminated glazing; continuum damage mechanics (CDM)
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Shetty, M.S.; Wei, J.; Dharani, L.R.; Stutts, D.S. Analysis of Damage in Laminated Architectural Glazing Subjected to Wind Loading and Windborne Debris Impact. Buildings 2013, 3, 422-441.

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