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Effect of spacing of reinforcement on the behaviour of partially grouted masonry shear walls

Dhanasekar, Manicka & Haider, Waheed (2011) Effect of spacing of reinforcement on the behaviour of partially grouted masonry shear walls. Advances in Structural Engineering, 14(2), pp. 281-294.

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Abstract

Partially Grouted Reinforced Masonry (PGRM) shear walls perform well in places where the cyclonic wind pressure dominates the design. Their out-of-plane flexural performance is better understood than their inplane shear behaviour; in particular, it is not clear whether the PGRM shear walls act as unreinforced masonry (URM) walls embedded with discrete reinforced grouted cores or as integral systems of reinforced masonry (RM) with wider spacing of reinforcement. With a view to understanding the inplane response of PGRM shear walls, ten full scale single leaf, clay block walls were constructed and tested under monotonic and cyclic inplane loading cases. It has been shown that where the spacing of the vertical reinforcement is less than 2000mm, the walls behave as an integral system of RM; for spacing greater than 2000mm, the walls behave similar to URM with no significant benefit from the reinforced cores based on the displacement ductility and stiffness degradation factors derived from the complete lateral load – lateral displacement curves.

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ID Code: 41140
Item Type: Journal Article
Keywords: Masonry Shear Walls, Displacement Ductility, Wide Spaced Reinforced Masonry, Stiffness Degredation
DOI: 10.1260/1369-4332.14.2.281
ISSN: 1369-4332
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Urban Development
Copyright Owner: Copyright 2010 Multi-Science Publishing
Deposited On: 08 Apr 2011 09:01
Last Modified: 15 Sep 2011 15:21

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