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replacement of fine aggregate. It was observed that, the flexural strength of concrete at 28 days is higher than design mix (without replacement) for 0, 5, 10 and 15% replacement of fine aggregate by GGBS. Observed that 7 days, 14 days and 28 days compressive strength. The results of compressive, split tensile strength test have
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concrete using copper slag for the partial replacement of fine aggregate and were found that 30% fine aggregate can be replaced effectively. Further, Patil and Patil[16] studied the workability, compressive strength, split tensile strength and permeability in M30 concrete replacing fine aggregate by copper slag.
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When Copper is being extracted from it''s Ore, a significant amount of unusable residue is separated called as Copper Slag. This Slag more or less possesses the properties of copper upto some extent. Therefore it can be said to have more strength o...
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with partial replacement of cement with silica fume and fine aggregates with copper slag. 2. EXPERIMENTAL PROGRAMME The Experimental Program was designed to investigate the effect on the mechanical properties of the concrete by using copper slag as a partial replacement for fine aggregate with different proportions viz., 10%, 20%, 30%, 40% and 50%
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The fraction including iron, copper, aluminum, gold and other metals in ewaste is over 60%, while plastics account for about 30% and the hazardous pollutants comprise only ... replacement of fine aggregate. Once design of mix has been prepared then 150*150*150mm cubes is casted for these mixes, 9
100% copper slag as replacement of stone dust were prepared. The total volume of fine aggregate comprising of copper slag and stone dust was kept constant in all the ... Properties of pavement quality concrete and dry lean concrete with copper slag as fine aggregate ...
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The fine aggregate fraction so produced conformed to the grading requirements of both fine aggregate and all in aggregate. The workability of concrete improved as the replacement level increased, though the packing 7 density of the dry allin aggregate reduced. Replacing sand with fly ash did not affect the compressive strength, but in a ...
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Walnut Shell for Partial Replacement of Fine Aggregate in Concrete: Modeling and Optimization Ibtisam Kamal1,*, Aryan Far Sherwani2, Ammar Ali3, Ausama Khalid2, Ibrahim Saadi2, Ari Harbi2 1Soran University, Kurdistan Region, Iraq 2Dept. of Civil Engineering, Faculty of Engineering, Soran University, Kurdistan Region, Iraq
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strength increases upto 50% of replacement of copper slag. 2. The results of compressive test shows thatstrength of paver block increases with respect to the percentage of copper slag added by weight of fine aggregate upto 30% of replacement. Therefore optimum percentage of fine aggregate by copper .
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While replacement of copper slag in concrete increases, the density of concrete increases. It was observed that the partial replacement of copper slag as fine aggregate greatly increased the compressive strength at 20%, 40% and 60%. The flexural strength of the beam increased by 11% to 21% with replacement of copper slag.
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This research study was conducted to investigate the performance of high strength concrete (HSC) made with copper slag as a fine aggregate at constant workability and to study the effect of superplasticizer addition on the properties of HSC made with copper slag.
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A central composite design (with 2*2=4 factorial points, 2*2 starpoints and 2 repetitions of central point) was adopted to optimize and model the effect of water/cement ratio (), and walnut shells content () wt.% for concrete mixes used walnut shell for partial replacement of fine aggregate.
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glass fibre reinforced concrete with copper slag as a partial replacement of fine aggregate. The parameters of the study included by replacing the fine aggregate by copper slag with 60% and by varying the volume fraction of glass fibre %, 1% and %. The grade of concrete is M20. The specimens were cured for 7 and 28 days.
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Copper slag is one of the materials that is considered as a industrial waste which can be used in construction Industry. This paper presents the results of an experimental investigation on the properties of concrete using copper slag as partial replacement of fine aggregate.
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• The workability increases up to 28% for 100 % replacement of copper slag as a fine aggregate. • Increase in copper slag content in concrete increases the Density of concrete • The compressive strength of concrete increases up to % for 20 % percentage replacement of fine aggregate, but
Walnut Shell for Partial Replacement of Fine Aggregate in Concrete: Modeling and Optimization Ibtisam Kamal1,*, Aryan Far Sherwani2, Ammar Ali3, Ausama Khalid2, Ibrahim Saadi2, Ari Harbi2 1Soran University, Kurdistan Region, Iraq 2Dept. of Civil Engineering, Faculty of Engineering, Soran University, Kurdistan Region, Iraq
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The physical and chemical properties of copper slag were investigated. Copper slag, in amounts of 20, 40, 60, 80, and 100 percent, was substituted for fine aggregate in cement mortar and concrete. The fineness modulus of the combination of copper slag and fine aggregate was roughly, the optimum fineness modulus for concrete mix design.
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USE OF COPPER SLAG AS A REPLACEMENT FOR FINE AGGREGATE IN CONCRETE . ,,, Rajeshwar4. Student, Department of ...
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Properties And Effects Of Copper Slag In Concrete 50 CONCLUSIONS Conclusions: 1. As the percentage of copper slag increases workability increases. 2. Maximum Compressive strength of concrete increased by 34 % at 20% replacement of fine aggregate, and up to 80% replacement,concrete gain more strength than normal concrete
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refinery plants, has low cost and its application as a fine aggregate in concrete production reaps many environmental benefits such as waste recycling and solves disposal problems. Copper slag possesses mechanical and chemical characteristics that qualify the material to be used in concrete as a partial replacement as fine aggregate.
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USE OF COPPER SLAG AS A REPLACEMENT FOR FINE AGGREGATE IN CONCRETE. ... percentage replacement of fine aggregate by Copper slag the flexural . strength of .
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Nov 11, 2013· The aim of the present study is to investigate the effect of glass replacement with fine aggregate on the SCC properties. In present study, fine aggregate has been replaced with waste glass in six different weight ratios ranging from 0% to 50%.
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full replacement of fine aggregate with copper slag on the strength and behavior. In this experimental study, M20, M30, M40 grade concrete was used and the tests were conducted for different replacement of fine aggregate using copper slag as 0%, 20%, 40%, 60%, 80%, and 100% in concrete.
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replacement of fine aggregate from copper slag in concrete. Copper slag is a best substitute to sand as a blasting medium in industrial cleaning. With explode or forceful methods, industries are using copper slag to clean huge smelting equipment or furnaces. Copper slag waste can be utilized as
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and Copper Slag as replacement for cement and fine aggregate simultaneously were studied. The Metakaolin replacement at 5,10, 15, 20 and 25 % and GGBS replacement at 5,10, 15,20 and 25 % by the weight of cement were used respectively. Copper slag as partial replacement for sand at 25, 50 and 75% was used. The dosage of Super plasticizer used in ...
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