Impact Resistance of Symmetrical and Asymmetric Tempered Laminated Glass

YAO Fen; ZHANG Yingjie; YAO Pengfei; HAN Yang; LI Zhiqiang

doi:10.11858/gywlxb.20190861

Volume 34 Issue 4

Jul 2020

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Chinese Journal of High Pressure Physics > 2020 > 34(4): 044103.

YAO Fen, ZHANG Yingjie, YAO Pengfei, HAN Yang, LI Zhiqiang. Impact Resistance of Symmetrical and Asymmetric Tempered Laminated Glass[J]. Chinese Journal of High Pressure Physics, 2020, 34(4): 044103. doi: 10.11858/gywlxb.20190861

Citation:

YAO Fen, ZHANG Yingjie, YAO Pengfei, HAN Yang, LI Zhiqiang. Impact Resistance of Symmetrical and Asymmetric Tempered Laminated Glass[J]. Chinese Journal of High Pressure Physics, 2020, 34(4): 044103. doi: 10.11858/gywlxb.20190861

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Impact Resistance of Symmetrical and Asymmetric Tempered Laminated Glass

doi: 10.11858/gywlxb.20190861

YAO Fen^1
,,
ZHANG Yingjie¹,
YAO Pengfei¹,
HAN Yang¹,
LI Zhiqiang^{1, 2, 3,*
,
,}

1.
Institute of Applied Mechanics, College of Mechanical and Vehicle Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China
2.
Shanxi Key Laboratory of Material Strength & Structural Impact, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China
3.
National Demonstration Center for Experimental Mechanics Education (Taiyuan University of Technology), Taiyuan 030024, Shanxi, China

Received Date: 06 Dec 2019
Rev Recd Date: 12 Jan 2020

Abstract

Abstract

Due to good light transmittance and great safety performance, tempered laminated glass has been widely used in automobiles, high-rise buildings and other fields. To explore the effect of glass thickness distribution on the impact resistance of tempered laminated glass, the drop hammer impact tests were performed on nine kinds of PVB tempered laminated glass, and the changes of impact force, strain and displacement of the tempered laminated glass with time were obtained under unfracture state and fracture state. Meanwhile, high-speed cameras were used to record the generation and expansion of cracks, and the crack distributions of the laminated glass were analyzed under the fracture state. The results show that the impact resistance is closely related to the number of layers and the thickness distribution of tempered laminated glass. For double-layer tempered laminated glass, when the outer glass is thicker and the inner glass is thinner, the impact resistance is better. For the three-layer tempered laminated glass, when the outer glass is thinner and the inner glass is thicker, the impact resistance is better.
- PVB laminated glass,
- drop hammer impact test,
- crack distribution,
- impact resistance

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References(21)

References

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