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Computational Science, Engineering & Technology Series
ISSN 1759-3158
Edited by: J.W. Bull
Chapter 4

Wide Spaced Reinforced Masonry Shear Walls

M. Dhanasekar, N.G. Shrive2, A.W. Page3 and W. Haider4

1Faculty of Built Environment and Engineering Queensland University of Technology, Brisbane, Australia
2Department of Civil Engineering, University of Calgary, Alberta, Canada
3Faculty of Built Environment and Engineering, University of Newcastle, Australia
4GHD Engineering, Mackay, Australia

Full Bibliographic Reference for this chapter
M. Dhanasekar, N.G. Shrive, A.W. Page, W. Haider, "Wide Spaced Reinforced Masonry Shear Walls", in J.W. Bull, (Editor), "Computer Analysis and Design of Masonry Structures", Saxe-Coburg Publications, Stirlingshire, UK, Chapter 4, pp 99-126, 2017.
Keywords: reinforced masonry, shear walls, explicit solver, finite elements.

The design methods for single leaf wide spaced reinforced masonry walls are reviewed. Such masonry consists of reinforcement spaced up to 2000 mm in the horizontal direction and 3000 mm in the vertical direction with only those cores containing reinforcement being grouted. This wall system typically uses low strength hollow blocks (concrete or clay), containing quite low percentages of steel reinforcement and hence is economic and ductile under out-of-plane flexure, making it popular in regions dominated by cyclonic wind in Australia. Unfortunately the in-plane shear resistance of the wide spaced reinforced masonry walls is not well understood and hence is governed by challengeable design provisions in AS3700, the Australian masonry structures standard [1]. Recent research findings with respect to the in-plane shear response of this system, especially nonlinear finite element modelling methods are reviewed. An efficient explicit method that effectively predicts the global behaviour of the walling system that requires a few minutes of computation on a typical desktop workstation is presented in detail. Experimental validation of the explicit finite element model is also presented.

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