Abstract
Objectives: This research work was adopted to have the maximum strength of concrete mixed with styrene-butadiene rubber (SBR) and to know the effect of SBR on the fresh and hardened concrete. Methods/statistical analysis: The concrete samples were prepared to achieve targeted strength of 3000 lb/in2. In this experimental work, the mixture of concrete was prepared by adding 0%, 5%, 10%, 15%, and 20% of SBR polymer–cement ratio to check the properties of fresh concrete (slump test and compaction factor test), while rebound hammer test, ultrasonic pulse velocity test (UPV), compressive strength test, and tensile strength test were observed at 7th, 14th, and 28th days, respectively. Findings: Resultantly, the compressive strength and indirect tensile strength boosted by 16% and 13% blended with 15% of SBR polymer in concrete as compared to control concrete after 28th days, respectively. The workability of fresh concrete plummeted with a rise in the amount of SBR polymer in concrete. Application/improvements: Both the quality and high strength of concrete is improved by adding 15% of SBR in concrete. Keywords: Styrene-Butadiene Rubber (SBR), Additional Material, Increases Strength of Concrete.
Highlights
Concrete consists of a blend of cement mixture, aggregates, water and, not so usual, admixtures that add up to its strength and improve its certain physical and mechanical properties [1,2]
Synthetic polymers used as styrene-butadiene rubber (SBR) latex in cement technology have been recognized in many fronts [10,11,12]
The findings have shown that solutions modified with SBR have improved mechanical parameters i.e. improved impermeability and greater resistance to frost action [21]
Summary
Concrete consists of a blend of cement mixture, aggregates, water and, not so usual, admixtures that add up to its strength and improve its certain physical and mechanical properties [1,2]. Preparing the concrete to conform to the aforementioned properties, and being environmental friendly, suitable design method and quality control should be followed with the correct alteration of ingredients along with the use of admixtures at all the stages of production and, later, in mixing proportion [6,7]. The use of polymer used as regulator in the newly constructed structures puts forward new horizons of development in the microstructures and the strength of cement mortar as well as concrete [13,14]. Styrene-butadiene polymers, undoubtedly, in the concrete technology, are, as a rule, the most generally used polymer materials [15]
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