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2020•International Journal of Structural Glass and Advanced Materials ResearchOpen access

Strengthening of Laminated Glass Windows against Windborne Debris Impact

Xihong Zhang, Qingfei Meng, Chiara Bedon, Piotr W. Sielicki

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Abstract

This paper presents numerical modelling to study potential mitigation methods to improve the impact resistance performance of laminated glass windows against timber windborne debris impact. A detailed numerical model of laminated glass window is generated and validated with laboratory impact tests. The influence of supporting frames made of different stiffness materials is examined. Numerical simulation shows that boundary condition has limited influence to the penetration resistance of laminated glass windows. Then, the dynamic response of doubly laminated glass windows of the same total thickness as that of singly laminated glass windows is studied, which finds that optimization of glass and interlayer layout could effectively improve the penetration resistance of laminated glass windows.

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What this paper is about

This paper presents numerical modelling to study potential mitigation methods to improve the impact resistance performance of laminated glass windows against timber windborne debris impact. A detailed numerical model of laminated glass window is generated and validated with laboratory impact tests. The influence of supporting frames made of different stiffness materials is examined. Numerical simulation shows that boundary condition has limited influence to the penetration resistance of laminated glass windows. Then, the dynamic response of doubly laminated glass windows of the same total thickness as that of singly laminated glass windows is studied, which finds that optimization of glass and interlayer layout could effectively improve the penetration resistance of laminated glass windows.

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Available abstract

This paper presents numerical modelling to study potential mitigation methods to improve the impact resistance performance of laminated glass windows against timber windborne debris impact. A detailed numerical model of laminated glass window is generated and validated with laboratory impact tests. The influence of supporting frames made of different stiffness materials is examined. Numerical simulation shows that boundary condition has limited influence to the penetration resistance of laminated glass windows. Then, the dynamic response of doubly laminated glass windows of the same total thickness as that of singly laminated glass windows is studied, which finds that optimization of glass and interlayer layout could effectively improve the penetration resistance of laminated glass windows.

Key concepts: Laminated glass, Penetration (warfare), Materials science, Impact resistance, Stiffness, Composite material, Debris, Window (computing)

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