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In-plane Shear Modulus of Cross-laminated Timber by Diagonal Compression Test
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Träteknik.ORCID-id: 0000-0002-4686-4010
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Träteknik.ORCID-id: 0000-0002-0900-5110
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Träteknik.ORCID-id: 0000-0002-0145-080x
Faculty of Engineering, Department of Manufacturing and Civil Engineering, Norwegian University of Science and Technology, Gjøvik, Norway.
2019 (Engelska)Ingår i: BioResources, ISSN 1930-2126, E-ISSN 1930-2126, Vol. 14, nr 3, s. 5559-5572Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Cross-laminated timber (CLT) is an engineered wood material that is used in the construction industry, e.g., for floors, walls, and beams. In cases where CLT-elements are used as shear walls, the in-plane-stiffness is an important property. For non-edge glued CLT, in-plane shear stiffness is lower than for edge-glued CLT. To evaluate the non-edge glued CLT panel’s in-plane shear modulus, the diagonal compression test and finite element (FE) simulation was used. FE-models with both isotropic and orthotropic material models were used to calculate the shear stiffness. The FE models using pure shear loads were used as a reference to determine the correct value of the shear modulus. To verify the FE simulations, diagonal compression tests were conducted on 30 CLT samples. A calibration formula was derived using the least square method for calculation of shear modulus. The formula gave accurate results. The results showed that FE simulations can reproduce the same shear stiffness as tests of non-edge glued 3-layer and 5-layer CLT panels.

Ort, förlag, år, upplaga, sidor
NC State University , 2019. Vol. 14, nr 3, s. 5559-5572
Nyckelord [en]
Cross-laminated timber, Finite element analysis, In-plane shear stiffness, Diagonal compression test, Shear modulus
Nationell ämneskategori
Övrig annan teknik Annan maskinteknik
Forskningsämne
Träteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-74597DOI: 10.15376/biores.14.3.5559-5572ISI: 000473204700043Scopus ID: 2-s2.0-85066306339OAI: oai:DiVA.org:ltu-74597DiVA, id: diva2:1325655
Anmärkning

Validerad;2019;Nivå 2;2019-06-24 (svasva)

Tillgänglig från: 2019-06-17 Skapad: 2019-06-17 Senast uppdaterad: 2019-08-16Bibliografiskt granskad

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Förlagets fulltextScopushttps://bioresources.cnr.ncsu.edu/resources/in-plane-shear-modulus-of-cross-laminated-timber-by-diagonal-compression-test/

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Berg, SvenTuresson, JonasEkevad, Mats

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