Effects of openings on oriented strand board webbed wood i-joists

Zhu, E.C., Guan, Z., Pope, D.J. and Rodd, P.D. (2007) Effects of openings on oriented strand board webbed wood i-joists Journal of Structural Engineering, 133 (1). pp. 145-149. ISSN 0733-9445

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Abstract

Tests conducted on oriented strand board (OSB) webbed wood I-joists with web openings revealed that the typical failure mode was that the OSB fractured from tension zones around an opening, with cracks developing diagonally toward the joist flanges. The joist collapsed when the cracks reached the flanges. Finite-element models were developed using ABAQUS to simulate joist behavior. Material nonlinearity, crack propagation, and joist failure were dealt with by a user-defined subroutine. Good correlation was obtained between the test and the analytical results. The finite-element models were then used to investigate the effect of opening size and location on the behavior of joists. The lower bound and the upper bound of the load bearing capacity of joists with openings were found by finite- element modeling and were empirically expressed by polynomials.

Item Type:Journal article
Uncontrolled Keywords:Finite elements, Wood, Joints, Bearing capacity
Subjects:H000 Engineering > H200 Civil Engineering > H210 Structural Engineering
H000 Engineering > H200 Civil Engineering
DOI (a stable link to the resource):10.1061/(ASCE)0733-9445(2007)133:1(145)
Faculties:Faculty of Science and Engineering > School of Environment and Technology > Ground water and structural engineering
Faculty of Science and Engineering > School of Environment and Technology
ID Code:7729
Deposited By:editor environment
Deposited On:13 Oct 2010 10:35
Last Modified:01 May 2012 09:37

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