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Dynamical properties of a large glulam truss for a tall timber building
RISE - Research Institutes of Sweden, Samhällsbyggnad, Byggteknik. Linnaeus University, Sweden.ORCID-id: 0000-0001-8970-7114
Linnaeus University, Sweden.
RISE - Research Institutes of Sweden, Samhällsbyggnad, Byggteknik.ORCID-id: 0000-0001-5319-4855
2018 (Engelska)Ingår i: WCTE 2018 - World Conference on Timber Engineering, 2018Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

When designing a tall timber building, the accelerations due to wind loads are in many cases decisive. The parameters governing the dynamic behaviour of the building are the structure's stiffness, damping and mass together with the loads. The first two parameters are not well-known during the serviceability limit state of timber structures generally and of timber connections specifically. In this study, dynamical properties of a large glulam truss, a part of the vertical and horizontal structural system in a residential six-storey timber building, are estimated from measurements made in the manufacturing plant. The timber members of the truss are joined with slotted-in steel plates and dowels. Forced vibrational test data are used to extract the dynamical properties. Finite element (FE) models, supported by the experimental results, were developed and simulations, to study the influence of the connection stiffnesses on the total behaviour, were performed. The vibration test results of measurements made on separate structural parts give valuable input to model timber structures and better possibilities to simulate the dynamic behaviour of tall timber buildings as well as the load distribution in wooden structures in the serviceability limit state.

Ort, förlag, år, upplaga, sidor
2018.
Nyckelord [en]
Experimental modal analysis, Slotted-in steel plates with dowels connection, Stiffness and damping, Timber joints, Vibrational testing, Damping, Fasteners, Modal analysis, Plates (structural components), Stiffness, Trusses, Vibration analysis, Wooden buildings, Steel plates, Timber
Nationell ämneskategori
Naturvetenskap
Identifikatorer
URN: urn:nbn:se:ri:diva-36671Scopus ID: 2-s2.0-85058173513OAI: oai:DiVA.org:ri-36671DiVA, id: diva2:1273623
Konferens
2018 World Conference on Timber Engineering, WCTE 2018, 20 August 2018 through 23 August 2018
Tillgänglig från: 2018-12-21 Skapad: 2018-12-21 Senast uppdaterad: 2019-06-27Bibliografiskt granskad

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