Laminated glass (LG) is increasingly being used as load carrying components in modern buildings thanks to its relatively good safety performance and aesthetic benefits. This paper presents an experimental study into the applicational scenario of structural LG beam-columns subjected to combined axial compression and in-plane bending, such as LG fins supporting glass facade. The investigated LG specimens consisted of annealed float glass plies bonded together by SentryGlas interlayer. A total of 17 tests were carried out, from which the structural behaviour in terms of load carrying capacity, failure mode, post-breakage strength and deformability of the LG beam-columns were investigated in detail. Through the tests, the failure modes and corresponding mechanisms were identified; the influence of axial compression, laminate number and slenderness ratio on the structural behaviour were assessed; and the major stress components resulting in fracture of glass were analyzed. Based on the test and analytical results, a design N – M interaction domain was proposed to facilitate strength checking of LG beam-columns, and recommendations were made to improve the post-breakage performance. The results obtained are expected to provide supplementary information that is currently lacking in existing literature.

中文翻译：

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复合轴压面内弯曲夹层玻璃构件结构行为试验研究

夹层玻璃 (LG) 因其相对良好的安全性能和美学优势，越来越多地被用作现代建筑中的承载部件。本文对承受组合轴压和面内弯曲的结构 LG 梁柱的应用场景进行了实验研究，例如支撑玻璃幕墙的 LG 翅片。所研究的 LG 样品由通过 SentryGlas 夹层粘合在一起的退火浮法玻璃层组成。共进行了 17 次试验，从这些试验中详细研究了 LG 梁柱在承载能力、破坏模式、断裂后强度和变形能力方面的结构行为。通过测试，确定了故障模式和相应的机制；轴向压缩的影响，评估层数和长细比对结构行为的影响；分析了导致玻璃破裂的主要应力成分。基于测试和分析结果，提出了一个设计 N-M 相互作用域，以促进 LG 梁柱的强度检查，并提出建议以提高断裂后的性能。预计获得的结果将提供现有文献中目前缺乏的补充信息。