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Numerical modeling of dowel-type connections in soft- and hardwoods including the rope effect
Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för byggteknik (BY).ORCID-id: 0000-0001-7203-5948
Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för byggteknik (BY).ORCID-id: 0000-0002-7829-4630
2019 (engelsk)Inngår i: CompWood 2019 - International Conference on Computational Methods in Wood Mechanics - from Material Properties to Timber Structures, Växjö, Sweden: Lnu Press , 2019, s. 10-10Konferansepaper, Oral presentation with published abstract (Fagfellevurdert)
Abstract [en]

In laterally loaded dowel-type connections, forces are not only transferred perpendicular to the fastener axis via contact forces (so-called embedment forces) and shear forces in the fastener, but also by means of forces evoked by displacement along the fastener axis and frictional forces within shear planes. The latter load transfer, the so-called rope effect, is often neglected or simplified in numerical models for laterally loaded connections, but considerably increases strength in case of large bending deformations of the fastener. In partially threaded screws, the rope effect is a result of the withdrawal behavior of the threaded part in combination with the axial resistance of the head of the fasteners. The tensile force along the axis of the fastener causes compression between connected members and frictional forces within the shear planes of the connection, which increase the load bearing capacity [1]. Consideration of the rope effect in numerical models is decisive for valid and suitable prediction of the load-deformation behavior and discussed in this presentation.

sted, utgiver, år, opplag, sider
Växjö, Sweden: Lnu Press , 2019. s. 10-10
HSV kategori
Forskningsprogram
Teknik, Byggteknik
Identifikatorer
URN: urn:nbn:se:lnu:diva-89768ISBN: 978-91-88898-64-7 (digital)OAI: oai:DiVA.org:lnu-89768DiVA, id: diva2:1363503
Konferanse
CompWood 2019 - International Conference on Computational Methods in Wood Mechanics - from Material Properties to Timber Structures, 17-19 June, 2019, Växjö
Ingår i projekt
Hardwood_joint: Innovative joints in hardwoods, Vinnova, Swedish Research Council Formas, Swedish Energy AgencyTilgjengelig fra: 2019-10-22 Laget: 2019-10-22 Sist oppdatert: 2019-11-12bibliografisk kontrollert

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CompWood2019(472 kB)100 nedlastinger
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Schweigler, MichaelBader, Thomas K.

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