Awad, Ziad K. and Aravinthan, Thiru and Manalo, Allan (2012) Geometry effect on the behaviour of single and glue-laminated glass fibre reinforced polymer composite sandwich beams loaded in four-point bending. Materials and Design, 39 (5). pp. 93-103. ISSN 0264-1275
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Official URL: http://www.sciencedirect.com/science/article/pii/S0261306912000805
Identification Number or DOI: doi: 10.1016/j.matdes.2012.02.023
Abstract
The research investigated the behaviour of single and glue laminated glass fibre reinforced polymer (GFRP) composite sandwich beams considering different spans and beam cross sections. The composite sandwich beams with different thicknesses (1, 2, 3, 4, and 5 sandwich layers) have been tested in four-point static flexural test with different shear span to depth ratio (a/d). The a/d ratios showed a direct effect on the flexural and shear behaviour. The capacity of the beam decreased with increasing a/d. Various failure modes were observed including core crushing, core shear, and top skin compression failure. The failure mode map developed based on the experimental finding and analytical prediction indicated that the failure mode is affected by the a/d with the number of glue laminated panels.
| Item Type: | Article (Commonwealth Reporting Category C) |
|---|---|
| Additional Information: | Permanent restricted access to published version due to publisher copyright policy. |
| Uncontrolled Keywords: | sandwich structures; failure analysis; analytical predictions; beam cross section; composite sandwich beam; compression failure; core shear; failure mode map; four-point bending; geometry effects; glass fibre reinforced polymers; laminated glass; laminated panels; shear behaviour; shear span; static flexural tests |
| Fields of Research (FOR2008): | 09 Engineering > 0905 Civil Engineering > 090503 Construction Materials 09 Engineering > 0905 Civil Engineering > 090506 Structural Engineering 09 Engineering > 0912 Materials Engineering > 091209 Polymers and Plastics |
| Subjects: | UNSPECIFIED |
| Socio-Economic Objective (SEO2008): | B Ecomonic Development > 87 Construction > 8703 Construction Materials Performance and Processes > 870399 Construction Materials Performance and Processes not elsewhere classified |
| ID Code: | 20990 |
| Deposited By: | |
| Deposited On: | 23 May 2012 14:31 |
| Last Modified: | 10 Sep 2012 11:11 |
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