Skip to main content

Lund University Publications

LUND UNIVERSITY LIBRARIES

Behaviour of bonded-in dowel shear connections in timber lightweight concrete composite beams including effect of an interlayer

Appavuravther, Elif LU ; Vandoren, Bram and Henriques, Jose (2023) In Construction and Building Materials 397.
Abstract
With the need of renovation in the current timber structures, use of a cement based layer is a popular solution, which improves the structural integrity and increases the structural mass. In this paper, the use of a lightweight concrete with dowel type connections is investigated since such a combination can serve for both new and existing structures. Two types of dowel connections are experimentally tested, screws and bonded-in rods, to observe their limits and the contribution of an adhesive. To extend the application to an existing structure where a wood-based flooring may be present (such as OSB), which acts as an interlayer in the composite solution, the connections are tested with an interlayer as well. To overcome this challenge, in... (More)
With the need of renovation in the current timber structures, use of a cement based layer is a popular solution, which improves the structural integrity and increases the structural mass. In this paper, the use of a lightweight concrete with dowel type connections is investigated since such a combination can serve for both new and existing structures. Two types of dowel connections are experimentally tested, screws and bonded-in rods, to observe their limits and the contribution of an adhesive. To extend the application to an existing structure where a wood-based flooring may be present (such as OSB), which acts as an interlayer in the composite solution, the connections are tested with an interlayer as well. To overcome this challenge, in this paper, the predrilled hole at
the wood based material (timber and interlayer) is filled with an adhesive to form a bond to the connection. The experimental results indicate that the addition of an adhesive lead to a positive contribution in mechanical properties. The experimental results are compared with the analytical approaches given in the current codes. The difference in comparisons are justified and further supported with the literature. (Less)
Please use this url to cite or link to this publication:
author
; and
publishing date
type
Contribution to journal
publication status
published
subject
in
Construction and Building Materials
volume
397
publisher
Elsevier
external identifiers
  • scopus:85164214223
ISSN
0950-0618
DOI
10.1016/j.conbuildmat.2023.132389
language
English
LU publication?
no
id
b0bdbbf2-80bc-426f-9564-cfed7a2b7ac6
date added to LUP
2025-10-30 16:03:52
date last changed
2025-11-03 11:43:51
@article{b0bdbbf2-80bc-426f-9564-cfed7a2b7ac6,
  abstract     = {{With the need of renovation in the current timber structures, use of a cement based layer is a popular solution, which improves the structural integrity and increases the structural mass. In this paper, the use of a lightweight concrete with dowel type connections is investigated since such a combination can serve for both new and existing structures. Two types of dowel connections are experimentally tested, screws and bonded-in rods, to observe their limits and the contribution of an adhesive. To extend the application to an existing structure where a wood-based flooring may be present (such as OSB), which acts as an interlayer in the composite solution, the connections are tested with an interlayer as well. To overcome this challenge, in this paper, the predrilled hole at<br/>the wood based material (timber and interlayer) is filled with an adhesive to form a bond to the connection. The experimental results indicate that the addition of an adhesive lead to a positive contribution in mechanical properties. The experimental results are compared with the analytical approaches given in the current codes. The difference in comparisons are justified and further supported with the literature.}},
  author       = {{Appavuravther, Elif and Vandoren, Bram and Henriques, Jose}},
  issn         = {{0950-0618}},
  language     = {{eng}},
  month        = {{07}},
  publisher    = {{Elsevier}},
  series       = {{Construction and Building Materials}},
  title        = {{Behaviour of bonded-in dowel shear connections in timber lightweight concrete composite beams including effect of an interlayer}},
  url          = {{http://dx.doi.org/10.1016/j.conbuildmat.2023.132389}},
  doi          = {{10.1016/j.conbuildmat.2023.132389}},
  volume       = {{397}},
  year         = {{2023}},
}