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- Title
INTERFACIAL BOND BEHAVIOR OF ADHESIVELY-BONDED TIMBER/CAST IN SITU CONCRETE (WET BOND PROCESS).
- Authors
Giv, Ali Nemati; Qiuni Fu; Libo Yan; Kasal, Bohumil
- Abstract
The goal of this research was to study the strength of the interfacial bond between cast-in-situ concrete and engineered timber (cross-laminated timber (CLT)). Double lap specimens were manufactured using fresh concrete that was cast between two CLT blocks. Polyurethane and epoxy adhesives were used to bond the wet concrete with the CLT blocks. The shear strength of wet-bond specimens was compared with the specimens prepared under dry conditions (prefabricated concrete cube glued to CLT blocks). The statistical analysis (T-test) of bond strength showed that the shear strengths of wet- and dry-bond specimens using epoxy and polyutrthane adhesives were no significantly different for the tested C25 plain concrete and the CLT. The failure mode of dry-bond specimens were concrete failure near the interface, however, debonding at interface was the dominant failure for the wet-bond specimens.
- Subjects
CONCRETE; ENGINEERED wood construction; SHEAR strength; POLYURETHANES; BOND strengths
- Publication
Acta Polytechnica CTU Proceedings, 2022, Vol 33, p398
- ISSN
2336-5382
- Publication type
Article
- DOI
10.14311/APP.2022.33.0398