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Structural Engineering and Mechanics Volume 60, Number 5, December10 2016 , pages 781-794 DOI: https://doi.org/10.12989/sem.2016.60.5.781 |
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Experimental investigation of multi-layered laminated glass beams under in-plane bending |
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Xiaokun Huang, Qiang Liu, Gang Liu, Zhen Zhou and Gang Li
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| Abstract | ||
| Due to its relatively good safety performance and aesthetic benefits, laminated glass (LG) is increasingly being used as load-carrying members in modern buildings. This paper presents an experimental study into one applicational scenario of structural LG subjected to in-plane bending. The aim of the study is to reveal the in-plane behaviors of the LG beams made up of multi-layered glass sheets. The LG specimens respectively consisted of two, three and four plies of glass, bonded together by two prominent adhesives. A total of 26 tests were carried out. From these tests, the structural behaviors in terms of flexural stiffness, load resistance and post-breakage strength were studied in detail, whilst considering the influence of interlayer type, cross-sectional interlayer percentage and presence of shear forces. Based on the test results, analytical suggestions were made, failure modes were identified, corresponding failure mechanisms were discussed, and a rational engineering model was proposed to predict the post-breakage strength of the LG beams. The results obtained are expected to provide useful information for academic and engineering professionals in the analysis and design of LG beams bending in-plane. | ||
| Key Words | ||
| laminated glass beam; in-plane bending; shear; multi-layered; post-breakage strength | ||
| Address | ||
| Xiaokun Huang, Qiang Liu and Gang Liu: China Academy of Building Research, Beijing, China Zhen Zhou: Kuraray (Shanghai) Co. Inc., China Gang Li: Fuxin Special Glass Co. Inc., China | ||