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Modeling of finger-joint failure in glued-laminated timber beams

In English

Författare

Summary, in English

This paper presents a novel approach to the modeling of failure of finger-joints in glued-laminated beams. A nonlinear strain-softening model with stochastic material parameters was used to characterize the failure zone of the finger-joint. Monte Carlo simulations of the behavior of finger-joint laminations and of laminated beams were performed using the finite-element method. Various lamination thicknesses and beam depths were investigated, as well as the effect of varying the ductility of the finger-joint. Finally, the use of simplified finger-joint material models was also investigated. The results show that the proposed approach can account for such phenomena as the size effect and the laminating effect. Another observation is that the finger-joint ductility has a major influence on the lamination and beam strength, and that a special case of the present modeling approach can be made to coincide with the classic weakest link theory of Weibull.

Avdelning/ar

Publiceringsår

2001

Språk

Engelska

Sidor

914-921

Publikation/Tidskrift/Serie

Journal of Structural Engineering

Volym

127

Issue

8

Dokumenttyp

Artikel i tidskrift

Förlag

American Society of Civil Engineers (ASCE)

Ämne

  • Mechanical Engineering

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0733-9445