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Contact-free measurements and numerical analyses of the strain distribution in the joint area of steel-to-timber dowel joints

Sjödin, Johan ; Serrano, Erik LU orcid and Enquist, Bertil (2006) In European Journal of Wood and Wood Products 64(6). p.497-506
Abstract
Two different dowel-type joints of differing size were loaded in tension parallel to the grain. The strain distribution in the joint area was studied using a contact-free measurement system. The results were compared with those of numerical analysis. The measurement system was found to be a valuable complement to traditional measurement techniques and also to numerical analyses performed in parametric studies. The measurements obtained were shown to be particularly useful for studying the highly nonlinear behavior of timber that is of special importance in characterizing timber dowel joints. Several observations of considerable interest were made on the basis of numerical results in combination with results of the contact-free measurement... (More)
Two different dowel-type joints of differing size were loaded in tension parallel to the grain. The strain distribution in the joint area was studied using a contact-free measurement system. The results were compared with those of numerical analysis. The measurement system was found to be a valuable complement to traditional measurement techniques and also to numerical analyses performed in parametric studies. The measurements obtained were shown to be particularly useful for studying the highly nonlinear behavior of timber that is of special importance in characterizing timber dowel joints. Several observations of considerable interest were made on the basis of numerical results in combination with results of the contact-free measurement system. A non-uniform strain distribution in the joint area was detected, for example, and shear strains and tensile strains, both parallel and perpendicular to the grain were found to be concentrated in the areas most likely to influence the failure mode of the joint. A general observation made was that the larger size joint failed in brittle manner, an observation supported by previous research. (Less)
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author
; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
European Journal of Wood and Wood Products
volume
64
issue
6
pages
497 - 506
publisher
Springer
external identifiers
  • wos:000243371000011
  • scopus:37849187802
ISSN
0018-3768
DOI
10.1007/s00107-006-0112-1
language
English
LU publication?
yes
id
122444e1-424b-4069-8852-d0070b3ac91d (old id 679424)
date added to LUP
2016-04-01 12:36:45
date last changed
2020-07-22 01:42:04
@article{122444e1-424b-4069-8852-d0070b3ac91d,
  abstract     = {Two different dowel-type joints of differing size were loaded in tension parallel to the grain. The strain distribution in the joint area was studied using a contact-free measurement system. The results were compared with those of numerical analysis. The measurement system was found to be a valuable complement to traditional measurement techniques and also to numerical analyses performed in parametric studies. The measurements obtained were shown to be particularly useful for studying the highly nonlinear behavior of timber that is of special importance in characterizing timber dowel joints. Several observations of considerable interest were made on the basis of numerical results in combination with results of the contact-free measurement system. A non-uniform strain distribution in the joint area was detected, for example, and shear strains and tensile strains, both parallel and perpendicular to the grain were found to be concentrated in the areas most likely to influence the failure mode of the joint. A general observation made was that the larger size joint failed in brittle manner, an observation supported by previous research.},
  author       = {Sjödin, Johan and Serrano, Erik and Enquist, Bertil},
  issn         = {0018-3768},
  language     = {eng},
  number       = {6},
  pages        = {497--506},
  publisher    = {Springer},
  series       = {European Journal of Wood and Wood Products},
  title        = {Contact-free measurements and numerical analyses of the strain distribution in the joint area of steel-to-timber dowel joints},
  url          = {http://dx.doi.org/10.1007/s00107-006-0112-1},
  doi          = {10.1007/s00107-006-0112-1},
  volume       = {64},
  year         = {2006},
}