Compressive behaviour of laminated structural glass members

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• 作者：Salvatore  ; Aiello¹ ;   ; ^a ; Giuseppe  ; Campione  ; ;   ; ² ;   ; ^a ;   ; ^{studioingcampione@libero.it} ; Giovanni  ; Minafò ; ³ ;   ; ^a ; Nunzio  ; Scibilia² ;   ; ^a
• 关键词：Laminated glass ; Glass column ; Compression ; Buckling
• 刊名：Engineering Structures
• 出版年：2011
• 出版时间：December 2011
• 年：2011
• 卷：33
• 期：12
• 页码：3402-3408
• 全文大小：1616 K

文摘

Several experimental investigations in the past few years have highlighted the fact that the compressive strength of glass was significantly higher than its tensile strength, allowing new applications of glass in compression members. However, due to the high slenderness of structural glass elements made of thin glass panels, they tend to fail in a brittle manner. A substantial amount of fundamental research has been carried out in the past few years to investigate the stability behaviour of structural glass elements. However, although buckling of glass panels has been quite well studied, a very poor amount of research has been addressed to glass columns, which by contrast represent the most interesting case due to their direct application in buildings. In this paper, the results of ten compressive tests on glass panels and columns are presented and discussed. The main variables considered were slenderness of panels and the shape of the cross-section for columns. The results of six bending tests on monolithic and laminated glass panels are also shown, and the level of connection between the glass sheets was evaluated. A review of the theoretical background is provided and the results achievable with existing analytical models are compared.