Effect of Styrene Butadiene Rubber Latex on Mechanical Properties of Eco Concrete: Limestone Powder Concrete

Bayan S. Al Numan; Faris R. Ahmed; Kamaran K. Hamad

doi:10.14500/aro.10212

Bayan S. Al Numan Department of Civil Engineering, Faculty of Engineering, Ishik University, Kurdistan region http://orcid.org/0000-0003-3419-8505
Faris R. Ahmed Department of Civil Engineering, Faculty of Engineering, Koya University, Kurdistan region http://orcid.org/0000-0001-6879-7157
Kamaran K. Hamad Department of Geomatics (Surveying) Engineering, College of Engineering, Salahaddin University Erbil, Kurdistan Region

Keywords: Compressive strength, Flexural strength, Limestone filler, Portland cement, Styrene butadiene rubber latex

Abstract

To make concrete a truly green material, viable cement substitutes are available. This experimental investigation is performed to study the effect of using limestone powder (LSP) and styrene butadiene rubber (SBR) latex in the concrete mix. In this work, a concrete with 1:1.8:3 cementitious material:sand:gravel and water/cement ratio w/c of 0.5 is produced. First, LSP is used with 0, 5, 10, 15, and 20% replacements by weight of cements. The fineness of the LSP is measured using sieve No. 200 and showed about 30% pass. Second, and to improve the matrix of concrete due to the dilution effect, four ratios of SBR latex (0, 5, 10, and 15%) are added by weight of cements to the mix for each LSP ratio. Compressive strength at ages of 3, 7, 14, 28, and 90 days is tested for the concrete specimens mixed with LSP only to examine its effect on concrete strength’s development with time, whereas strengths are recorded at the age of 28 days for the other concretes. Three prisms were cast for each ratio and tested at 28 days. The results show general improvements in terms of compressive and flexural strengths.

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Author Biographies

Bayan S. Al Numan, Department of Civil Engineering, Faculty of Engineering, Ishik University, Kurdistan region

Professor of structural engineering at the civil engineering department, faculty of engineering, Ishik University, Erbil, Iraq. He received his PhD in structural engineering from civil engineering department, college of engineering, Al-Mustansiriyah University, Baghdad, Iraq in 1996. Co-author of a textbook "Corrosion Chemistry" 2011, Scrivener Publishing LLC, USA. Author of numerous research papers on analysis of concrete and steel structures, deformations of concrete structures, long-term deformations, structural response of high strength concrete members, reactive powder concrete, natural fibers use in concrete, and sustainable construction.

Faris R. Ahmed, Department of Civil Engineering, Faculty of Engineering, Koya University, Kurdistan region

Senior structural engineer, Assist. Prof. in the department of Civil Eng, joined the work at Koya University since 2009. Gained a B.Sc. degree in Civil Eng. in 1997, M.Sc. degree in 1999 in Structural Engineering from Al-Mustansiriya University, and Ph.D. degree in structural Engineering from Baghdad University, in 2005. Started his academic teaching in 2009 when he joined the work at Koya University, Faculty of Engineering. Dr. Faris participated in many conferences and published several researches in many journals.

Kamaran K. Hamad, Department of Geomatics (Surveying) Engineering, College of Engineering, Salahaddin University Erbil, Kurdistan Region

PhD, Lecturer in Geomatics (Surveying) Engineering dept, College of Engineering, Salahaddin University

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