Innovative Heißklebung von tragenden Holz-Beton-Verbundelementen

Mérono, Malte; Link, Carola; Wisner, Gregor; Stammen, Elisabeth; Dilger, Klaus; Frohnmüller, Jens; Seim, Werner

doi:10.1007/s35145-019-0083-0

Cited by 3 publications

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“…Future research will be carried out regarding an optimization of the adhesives in terms of temperaturecontrolled curing and their rheological behavior (see Mérono et al [28]). The latter could be improved by using low-viscous 2EP adhesives with inorganic and chemically inert fillers (e.g.…”

Section: Discussionmentioning

confidence: 99%

Full-scale testing of adhesively bonded timber-concrete composite beams

2021

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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.

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Section: Discussionmentioning

confidence: 99%