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Modelling of steel-timber composite connections: Validation of finite element model and parametric study

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  • معلومة اضافية
    • بيانات النشر:
      Elsevier
    • الموضوع:
      2017
    • Collection:
      UNSW Sydney (The University of New South Wales): UNSWorks
    • نبذة مختصرة :
      This paper investigates the mechanical behaviour of lap steel-timber composite connections using a 3-D continuum-based finite element (FE) model. In the FE models developed, the non-linear behaviour and failure of the timber is captured by a stress-based failure criterion formulated in the framework of continuum-damage mechanics. Yielding of the steel plates and fasteners (i.e. coach screws and bolts) is captured by an elastic-hardening plastic constitutive law. These FE models are validated by experimental (push-out) tests conducted on laminated veneer lumber (LVL)-steel and cross-laminated timber (CLT)-steel composite lap connections. It is shown that the FE models developed in the paper can replicate adequately the load-slip response and failure mode of the hybrid steel-timber composite connections tested. The validated FE model is used to undertake a parametric study that elucidates the influence of the yield strength and the length of the fasteners and the post-tensioning force in the bolts on the stiffness, load carrying capacity and load-slip behaviour of hybrid steel-timber composite connections.
    • Relation:
      http://purl.org/au-research/grants/arc/DP160104092; http://hdl.handle.net/1959.4/unsworks_46907; https://doi.org/10.1016/j.engstruct.2017.02.016
    • الرقم المعرف:
      10.1016/j.engstruct.2017.02.016
    • الدخول الالكتروني :
      http://hdl.handle.net/1959.4/unsworks_46907
      https://doi.org/10.1016/j.engstruct.2017.02.016
    • Rights:
      metadata only access ; http://purl.org/coar/access_right/c_14cb ; CC-BY-NC-ND ; https://creativecommons.org/licenses/by-nc-nd/4.0/
    • الرقم المعرف:
      edsbas.87D6382C