Date
2021-09-07Subject
620 Engineering 690 Building and construction HolzBetonVerbundwerkstoffKlebeverbindungBrückenbauVorfertigungKlebenMetadata
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Aufsatz
Full-scale testing of adhesively bonded timber-concrete composite beams
Abstract
This paper presents new findings on adhesively bonded timber-concrete composites with prefabricated concrete parts. Hereby, timber and concrete are bonded solely with adhesive and no metallic connectors have been used. Because the achievement of a continuous bond proved to be a critical point in past studies, special attention is given to that issue. The application procedure of the adhesives is investigated in small-scale bond samples and the manufacturing process in full-scale composite beams with a span of 8 m and a comparatively new polymer mortar is used as adhesive as well as a common epoxy resin. Both adhesives proved to be suitable, although polymer mortars showed strong advantages in terms of applicability and bridging of gaps in comparison to the less viscous epoxy adhesive. The full-scale beams are tested under quasi-static and cyclic loading. The failure occurred more as a bending failure of the timber or compression failure of the concrete. A full bond could be achieved at all full-scale beams. Moreover, an analytical and a finite element model for the calculation of composite beams are presented and validated. It could be seen, that both deformation behavior and failure load are in good accordance with the test results.
Citation
In: Materials and Structures Volume 54 / Issue 5 (2021-09-07) eissn:1871-6873Sponsorship
Gefördert im Rahmen des Projekts DEALCitation
@article{doi:10.17170/kobra-202109084736,
author={Frohnmüller, Jens and Fischer, Jens and Seim, Werner},
title={Full-scale testing of adhesively bonded timber-concrete composite beams},
journal={Materials and Structures},
year={2021}
}
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2021-09-24T09:34:13Z 2021-09-24T09:34:13Z 2021-09-07 doi:10.17170/kobra-202109084736 http://hdl.handle.net/123456789/13258 Gefördert im Rahmen des Projekts DEAL eng Namensnennung 4.0 International http://creativecommons.org/licenses/by/4.0/ adhesively bonded timber-concrete composites ATCC bridge construction prefabrication gluing technology adhesive bond hybrid timber structures 620 690 Full-scale testing of adhesively bonded timber-concrete composite beams Aufsatz This paper presents new findings on adhesively bonded timber-concrete composites with prefabricated concrete parts. Hereby, timber and concrete are bonded solely with adhesive and no metallic connectors have been used. Because the achievement of a continuous bond proved to be a critical point in past studies, special attention is given to that issue. The application procedure of the adhesives is investigated in small-scale bond samples and the manufacturing process in full-scale composite beams with a span of 8 m and a comparatively new polymer mortar is used as adhesive as well as a common epoxy resin. Both adhesives proved to be suitable, although polymer mortars showed strong advantages in terms of applicability and bridging of gaps in comparison to the less viscous epoxy adhesive. The full-scale beams are tested under quasi-static and cyclic loading. The failure occurred more as a bending failure of the timber or compression failure of the concrete. A full bond could be achieved at all full-scale beams. Moreover, an analytical and a finite element model for the calculation of composite beams are presented and validated. It could be seen, that both deformation behavior and failure load are in good accordance with the test results. open access Frohnmüller, Jens Fischer, Jens Seim, Werner doi:10.1617/s11527-021-01766-y Holz Beton Verbundwerkstoff Klebeverbindung Brückenbau Vorfertigung Kleben publishedVersion eissn:1871-6873 Issue 5 Materials and Structures Volume 54 false
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