建筑夹层玻璃风致飞射物冲击破坏易损性研究

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Abstract The finite element simulation method is used to study the impact vulnerability of building laminated glasses for windborne debris. The finite element model of laminated glass impacted by windborne debris is established with LS-DYNA, and the reliability of the finite element model is verified by comparative experiments and numerical simulation results. The crack development and stress propagation of laminated glass impacting by spherical windborne debris are analyzed. By changing the impact position and the aspect ratio of the laminated glass panel, as well as with different radius and material of windborne debris, the impact effects on the laminated glass are studied. The impact failure probability of the laminated glass is calculated by using the two-parameter Weibull distribution. It is shown that, compared impact location with the middle and edge of laminated glass, the impact resistance with corner impact is the worst; at the same impact velocity, the failure probability of laminated glass increases with the increasement of windborne debris radius; compared with stone debris and wood debris, the critical impact damage velocity is the lowest when steel debris impact laminated glass; as the panel area is constant, the failure probability decreases firstly and then increases with increasement of aspect ratio.

Key words： windborne debris laminated glass numerical simulation failure probability

Received: 15 August 2023 Published: 15 May 2024

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	Articles by authors
	ZHANG Yong
	LI Shouke
	GUO Fan
	LEI Jiayan
	PENG Xiong
	SUN Hongxin
	LIU Min

Cite this article:

ZHANG Yong,LI Shouke,GUO Fan, et al. Vulnerability of building laminated glass against wind-induced projectiles impact[J]. JOURNAL OF VIBRATION AND SHOCK, 2024, 43(9): 267-275.

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http://jvs.sjtu.edu.cn/EN/ OR http://jvs.sjtu.edu.cn/EN/Y2024/V43/I9/267

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