Steifigkeit axial beanspruchter Vollgewindeschrauben

Blaß, Hans Joachim; Steige, Yvonne

doi:10.5445/ksp/1000085040

Cited by 1 publication

(1 citation statement)

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“…The latter values are comparable value to that given in the Simonin/Ducret approval [32] of 71 kN/mm. These values are somewhat higher than the slip moduli determined by Blaß and Steige [66] for screwed-in threaded rods, which are the basis for the approach in the most recent draft of prEN 1995-1-1 Eurocode 5 [17]. To allow for a more effective and competitive use of bondedin rods, the actual stiffness values of the system need to be determined during the bond strength tests.…”

Section: Stiffness and Deformation Capacitymentioning

confidence: 99%

Development of Comprehensive Testing Procedures for High-Performance Bonded-in Rods

Jockwer

Palma²,

Rebouças

et al. 2023

World Conference on Timber Engineering (WCTE 2023)

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Bonded-or glued-in rods are a highly efficient fastening technology. The complexity of the interaction of different materials in the joint (adhesive, rod, and wood) and non-linear stress distribution along the bondline present special challenges for the precise characterisation of the strength and stiffness properties relevant for the design. The existing test standards and protocols specify only the bare minimum for the utilisation of these connections. The following aspects need a more detailed consideration in test specifications: rods in different wood-based products; impact of spacing and end/edge distances; group effects; quality assurance; fatigue; impact of environmental conditions, fire resistance, etc. In the paper, a detailed state-of-the-art regarding testing of bonded-in rods is given and the different aspects with need for further test development are discussed. Proposals are also made on how to better characterize experimentally the properties and behaviour bonded-in rods and on how to fully utilize their potential in design.

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Section: Stiffness and Deformation Capacitymentioning

confidence: 99%