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Wider reinforced masonry shear walls subjected to cyclic lateral loading

Janaraj, Thangarajah, Dhanasekar, Manicka, & Haider, Waheed (2011) Wider reinforced masonry shear walls subjected to cyclic lateral loading. Architecture. Civil Engineering. Environment - ACEE Journal.

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Abstract

Partially grouted wider reinforced masonry wall, built predominantly with the use of face shell bedded hollow concrete blocks, is adopted extensively in the cyclonic areas due to its economy. Its out-of-plane response to lateral pressure loading is well definied; however its in-plane shear behaviour is less well understood, in particular it is unclear how the grouted reinforced cores affect the load paths within the wall. For the rational design of the walls, clarification is sought as to whether the wall acts as a composite of unreinforced panels surrounded by the reinforced cores or simply as a continuum embedded with reinforcement at wider spacing. This paper reports four full scale walls tested under in-place cyclic shear loading to provide some insight into the effect of the grout cores in altering the load paths within the wall. The global lateral load - lateral deflection hysteretic curves as well as the local responses of some critical zones of the shear walls are presented. It is shown that the aspect ratio of the unreinforced masonry panels surrounded by the reinforced grouted cores within the shear walls have profound effect in ascertaining the behaviour of the shear walls.

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ID Code: 48280
Item Type: Journal Article
Keywords: Concrete Blocks, In-plane Shear, Failure Modes, Grout, Masonry Shear Walls
ISSN: 1899-0142
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Urban Development
Deposited On: 30 Jan 2012 09:56
Last Modified: 30 Jan 2012 09:56

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