Experimental study on axial compressive behavior of rubberized interlocking masonry walls

Al-Fakih, A. and Wahab, M.M.A. and Mohammed, B.S. and Liew, M.S. and Wan Abdullah Zawawi, N.A. and As'ad, S. (2020) Experimental study on axial compressive behavior of rubberized interlocking masonry walls. Journal of Building Engineering, 29 .

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The behavior of rubberized interlocking masonry walls is substantially influenced by the properties of the waste materials used, which makes them behave differently from conventional interlocking masonry systems. Ten each of hollow and grouted walls were constructed using rubberized interlocking bricks and then tested under compressive loading. Rubberized interlocking bricks are made using 10 crumb rubber and 56 fly ash as a partial replacement for fine aggregates and cement by volume, respectively. The structural behavior, including strength, load-deformation performance, stress-strain relations, and failure mechanisms of the tested load-bearing walls have been investigated. The results reveal the ability of rubberized interlocking masonry walls to withstand axial compressive of 3.87 MPa for hollow and 5.75 MPa for grouted specimens, which is approximately 15�20 lower than in conventional interlocking masonry walls. Web splitting, vertical cracking and face spalling were common failure modes for hollow and grouted rubberized interlocking masonry walls. In contrast to conventional interlocking walls under compressive loading, rubberized interlocking walls show increased ductility and undergo measurable post-failure loads with significant displacement due to the presence of crumb rubber, which permits a large expansion of microcracks inside the specimens after failure. Rubberized interlocking walls also tend to have large initial deflections as the bricks settle and the gaps caused by dry joints close. © 2019 Elsevier Ltd

Item Type:Article
Impact Factor:cited By 14
Uncontrolled Keywords:Brick; Concrete construction; Failure modes; Fly ash; Grouting; Microcracks; Mortar; Retaining walls; Rubber; Stress-strain curves; Walls (structural partitions), Compressive behavior; Compressive loading; Crumb rubber; Partial replacement; Response surface methodology; Stress strain relation; Structural behaviors; Walls, Failure (mechanical)
ID Code:23143
Deposited By: Ms Sharifah Fahimah Saiyed Yeop
Deposited On:19 Aug 2021 05:35
Last Modified:19 Aug 2021 05:35

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