Abstract
This paper presents an experimental investigation on the mechanical properties of sandwich tempered glass unidirectional composite laminate under uniformly distributed load. A total of sixty-four specimens are tested to investigate the influence of individual layer thickness of tempered glass panel (T), bearing length (BL), and length of loading end (LLE). According to this experiment, the failure modes of tested specimens were observed in detail during load procedure. The effects of the three variables on the ultimate bearing capacity, stiffness and stress distribution of sandwich tempered glass unidirectional composite laminate are discussed. The results indicate that the three variables have positive effect on bearing capacity and secant stiffness of the sandwich tempered glass unidirectional composite laminate. And the individual layer thickness of tempered glass panel has the greatest influence on the ultimate bearing capacity and secant stiffness of specimens. With increasing of thickness, bearing length and length of loading end, the bearing capacity and the stiffness are increased. Based on the results of parametric studies, the designed formulas are proposed to estimate the ultimate bearing capacity of sandwich tempered glass unidirectional composite laminate under local uniformly distributed load.
Published Version
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