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Proposing new adhesive-free timber edge connections for cross-laminated timber panels: A step toward sustainable construction
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för byggnadsteknik, energisystem och miljövetenskap, Energisystem och byggnadsteknik.ORCID-id: 0009-0000-0380-386X
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för byggnadsteknik, energisystem och miljövetenskap, Energisystem och byggnadsteknik.ORCID-id: 0000-0002-9431-7820
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för byggnadsteknik, energisystem och miljövetenskap, Energisystem och byggnadsteknik.ORCID-id: 0000-0003-2023-689x
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för byggnadsteknik, energisystem och miljövetenskap, Miljövetenskap.ORCID-id: 0000-0001-8413-3975
2024 (engelsk)Inngår i: Case Studies in Construction Materials, E-ISSN 2214-5095, Vol. 20, artikkel-id e02975Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The use of timber as a building material is becoming increasingly popular thanks to its superior environmental performance compared with concrete and steel. However, timber structures rely on solid connections to improve their weak expansibility. Steel connections can be prone to corrosion over time, leading to the decreased structural integrity. Additionally, steel connections require more material and energy to manufacture and install compared with timber connections. This article focuses on the flexural performance of cross-laminated timber (CLT) panels with adhesive-free edge connections under four-point bending tests. First, numerical models of experimentally tested CLT panels were constructed using the finite element (FE) software ABAQUS. Then, these FE models were validated with the comparisons of their results with those of the experimental tests. Afterward, four new adhesive-free edge connections using timber for the CLT panels were developed in this study, helping sustainable construction. Utilizing the designed edge connections of the current study, forty-one parametric studies were numerically conducted on the connected CLT panels to investigate their ultimate loads, strains, displacements, moment capacities, failure modes, and effective stiffness. The factors affecting the edge connections’ load-bearing capacity were also examined and discussed. The study provides helpful insights into the development of CLT as a sustainable construction material with improved adhesive-free edge connections.

sted, utgiver, år, opplag, sider
Elsevier, 2024. Vol. 20, artikkel-id e02975
Emneord [en]
Cross-laminated timber, Adhesive-free edge connections, Load-bearing capacity, Finite element method, Flexural performance, VUSDFLD subroutine
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URN: urn:nbn:se:hig:diva-43804DOI: 10.1016/j.cscm.2024.e02975ISI: 001202324800001Scopus ID: 2-s2.0-85186126820OAI: oai:DiVA.org:hig-43804DiVA, id: diva2:1837546
Tilgjengelig fra: 2024-02-14 Laget: 2024-02-14 Sist oppdatert: 2024-04-26bibliografisk kontrollert

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Honghao, RenBahrami, AlirezaCehlin, MathiasWallhagen, Marita

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