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Impact of board width on in-plane shear stiffness of cross-laminated timber
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.ORCID iD: 0000-0002-0900-5110
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.ORCID iD: 0000-0002-4686-4010
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.ORCID iD: 0000-0002-0145-080x
2019 (English)In: Engineering structures, ISSN 0141-0296, E-ISSN 1873-7323, Vol. 196, article id 109249Article in journal (Refereed) Published
Abstract [en]

Board width-to-thickness ratios in non-edge-glued cross laminated timber (CLT) panels influence the in-plane shear stiffness of the panel. The objective is to show the impact of board width-to-thickness ratios for 3- and 5-layer CLT panels. Shear stiffnesses were calculated using finite element analysis and are shown as reduction factors relative to the shear stiffnesses of edge-glued CLT panels. Board width-to-thickness ratios were independently varied for outer and inner layers. Results show that the reduction factor lies in the interval of 0.6 to 0.9 for most width-to-thickness ratios. Results show also that using boards with low width-to-thickness ratios give low reduction factors. The calculated result differed by 2.9% compared to existing experimental data.

Place, publisher, year, edition, pages
Elsevier, 2019. Vol. 196, article id 109249
Keywords [en]
CLT, In-plane shear modulus, In-plane shear stiffness, Finite element method, CLT board width, CLT layer thickness, CLT shear modulus, Board gap
National Category
Building Technologies Other Mechanical Engineering
Research subject
Wood Science and Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-75098DOI: 10.1016/j.engstruct.2019.05.090ISI: 000482518700013Scopus ID: 2-s2.0-85067851120OAI: oai:DiVA.org:ltu-75098DiVA, id: diva2:1332156
Note

Validerad;2019;Nivå 2;2019-07-05 (johcin)

Available from: 2019-06-27 Created: 2019-06-27 Last updated: 2019-09-13Bibliographically approved

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Turesson, JonasBerg, SvenEkevad, Mats

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