Assessment of Punching Shear of Flat Slabs Using Ground Slag

Samad, Shahab, Attaullah, Shah and Limbachiya, Mukesh C. (2018) Assessment of Punching Shear of Flat Slabs Using Ground Slag. ACI Materials Journal, 115(3), pp. 459-469. ISSN (print) 0889-325X

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Abstract

Limited research work exists on assessment of punching shear of reinforced concrete (RC) flat slabs made with blended cement incorporating ground-granulated blast-furnace slag (GGBS). This research is aimed at analyzing the punching shear strength of RC flat slabs cast from blended cement having GGBS in different proportions as partial replacement of cement. Four flat slabs supported on the ends were tested under column load such that one flat slab was cast from normal concrete with no GGBS and the remaining three flat slabs were cast with 30, 40, and 50% replace¬ment of cement by GGBS. Experimental punching shear, midspan deflections, strain in the steel bars, and cracking pattern of the slabs were determined. The results of punching shear of flat slabs from the tests were compared with the nominal punching shear capacities proposed by BS 8110, BS EN1992-1-1/EC2, and ACI 318. The provisions of these building codes for the punching shear were observed as safe and conservative for the RC flat slab made from blended cement incorporating GGBS.

Item Type: Article
Research Area: Civil engineering
Faculty, School or Research Centre: Faculty of Science, Engineering and Computing > School of Engineering
Depositing User: Mukeshchandra Limbachiya
Date Deposited: 31 Jul 2018 10:43
Last Modified: 31 Jul 2018 10:43
DOI: https://doi.org/10.14359/51702012
URI: http://eprints.kingston.ac.uk/id/eprint/41284

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