Abstract
Glass panels are widely used in modern architecture, such as in building envelopes and balustrades. However, there is a lack of clarity in terms of their structural safety under soft-body impact. Therefore, a pendulum impact testing system is developed in this study to simulate the soft body impact and investigate the impact resistance of the monolithic glass panel. Two-degrees-of-freedom model and finite element model were built to verify the experimental dynamic response and progressive damage behavior of the glass panel subjected to pendulum impact. All results are in agreement with each other. The flexural strength of the glass panel is slightly higher than that of the code provisions, and the vibration frequency and damping ratio of the glass panel are 30.2 Hz and 3.8%, respectively. The dynamic responses of the glass panel and impactor increase with release height; further, energy dissipation occurs during the impact process. The energy loss increases with an increasing release height until the fracture failure of the glass panel. This study can help improve the understanding of the dynamic behavior of glass panels under low-speed impact.
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