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The replacement rate of the fine aggregate (0-2 mm) with copper slag (CS) was 33%, 66% and 100% respectively. Concretes of the same composition served for reference except for with river sand as fine aggregate instead of slag.
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Blasted copper slag as fine aggregate in Portland cement concrete. Dos Anjos MAG 1, Sales ATC 1, Andrade N 1. Author information. Affiliations. 3 authors. 1. ... Assays showed a significant improvement in workability, with the increase in substitution of fine aggregate. With 80% of replacement, the concrete presented lower levels of water ...
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replacement of cement and fine aggregate by silica fume and copper slag in concrete. Copper slag is one of the materials that are considered as an industrial waste which can be used in construction Industry. About 2.2 tons of copper slag is generated, for every ton of copper production. This paper presents the results of an
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The M25 grade concrete was prepared with copper slag as a replacement of fine aggregate in various proportions i.e. 20,30,40,50,60&70% by hand75micronmixing then casted cubes are then unmolded and was cured for 7days and 28days. 5. Fig -2: Specimen Preparation 4. TESTING OF MATERIAL # SLUMP CONE TEST-
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this project present the usage of copper slag for the partial replacement for fine aggregate the experimental procedure is conducted for the replacing percentage of 10%,15%,20%.for this above...
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Partial replacement of copper slag in fine aggregate and cement reduces the cost of making concrete. Replacement of copper slag (100% replacement with sand)increases the self weight of concrete specimens to the maximum of 15-18%. The initial and final setting time of copper slag admixed concrete is higher than control concrete.
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as a partial replacement of cement and Copper slag with fine aggregates. The silica fume in concrete is replaced accordingly with the percentage of 5%, 7.5%, 15%, 17.5% and 20% by weight of cement and 5%, 10%, 15%, 20% and 25% of -Copper slag is added by weight of fine aggregate.
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The use of copper slag as a replacement for fine aggregate in construction will reduce damage to the environment due to the waste resulting from the copper manufacturing process and help in saving natural resources. Work contains the different types of testing of concrete for different proportions of Cu slag.
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were 41.53 N/mm2, 3.86 N/mm2 and 5.42 N/mm2 for 40% replacement of fine aggregate by copper slag as compared to control mixture. The ultrasonic pulse velocity test indicated the excellent quality of concrete at all percentage replacement level. Therefore, it is recommended that 40% of copper slag can be use as replacement of fine aggregates.
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The replacement of fine aggregate by copper slag increases the dead weight of concrete and thus increasing the density of concrete. 2. The workability increases for higher replacements of copper slag for fine aggregate and 100% giving the maximum value. 3.
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Many researches were done on using copper slag as fine aggregate replacement and succussed in gaining required properties. 2.4.1. Impact of CuS on the properties of concrete. The smooth surface of CuS aggregate makes it easier to work with mortar mixes. Workability also goes up as content grows.
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The fine aggregates (sand) was replaced with percentages 0% (for the control mixture), 10%, 20%, 30%, 40%, 50%, 60%, 80%, and 100% of Copper Slag by weight. Tests were performed for properties of fresh concrete and Hardened Concrete. Compressive strength at 7 and 28 days. Tensile strength and Flexural strength were determined at 28 days.
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slag replacement on the properties of Concrete, further investigations are necessary in order to obtain a comprehensive understanding that would provide an engineering base to allow the use of copper slag in concrete. II. MATERIALS Copper Slag: Copper slag is a by-product material produced from the process of manufacturing copper.
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CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract- Copper slag is one of the materials which is considered as waste materials in the production of copper, which can be used as partial replacement of fine aggregates in concrete. This paper presents the results of an experimental study on various durability tests on concrete containing copper slag as partial ...
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This paper is about the experimental study of the replacement of copper slag for fine aggregate in concrete. In this study, M40 Grade concrete was considered to study the strength of concrete...
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Any material which is basically chemically inert and having particle size falling in BIS Zoning criteria, would be an ideal replacement for river sand (partially or fully) in concrete. One such material which has a high scope for use in concrete is Copper Slag. Copper Slag
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up to 40% of copper slag as fine aggregate replacement yielded comparable strength with that of the control mix. However, further additions of CS cause reduction in the high strength due to an increase of water content in the mix proportions. Mixes with 90 and 100% copper slag replacement gave the low compressive strength values.
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The Present experimental investigation is carried out forM20 grade of concrete mixes with partial replacement of Fine Aggregate (Sand) with Copper Slag. Compressive Strength at the ages of 7, 28 &90 days for various combinations of Copper Slag and Sand were investigated. Sand was replaced with Copper Slag by 0%, 10%, 20%, 30%, 40% and 50%.
Get priceThe measured slump was 29 mm for the control mixture whereas 78 mm with 100% replacement of fine aggregate using copper slag. It is observed that, 10%, 20%, 30% low, 40%, 50%, 60%, 70%, 80%, 90% Medium, 100% High workability of concrete, where it is use as per placing condition of concrete. Chart-2: Slump Vs. % Replacement 5.3 Durability
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this project present the usage of copper slag for the partial replacement for fine aggregate the experimental procedure is conducted for the replacing percentage of 10%,15%,20%.for this above replacement percentage m25 grade concrete is used. the main objective of this project is to know the strength and durability of partial .
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replacement of Fine Aggregate and Copper Slag 12 Journal of Architecture and Construction V4 I1 2021 constituent, more so based on the facts that concrete is a composition of materials consisting of different specific gravities, it is challenging for its constituents to be kept in a cohesive form. ...
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Replacement of copper slag in fine aggregate reduces the cost of making concrete. References: [1] Brindha, D and Nagan, S (2010). "Utilization of copper slag as a partial replacement of fine aggregate". International Journal of Earth Sciences and Engineering,Vol.3, No.4, pp.579-585 [2] Shi C, Meyer C, Behnood A.
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Some researchers also considered copper slag as a good candidate for the replacement of aggregates in concrete and probably also as cement replacement due to its physical and chemical properties (Gorai et al, 2003). In addition copper slag has been excluded from the listed hazardous waste category of the United States Environmental CEST2015_00437
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KEYWORDS: copper slag, Fine aggregate, compressive strength, Flexural strength, partial replacement. ... copper slag in applications such as Portland cement. More details » Get Price. Use of copper slag in cement mortar - SciELO.
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In This paper we have experimented and investigate the effect of copper slag by replacing it with the fine aggregates and studied the properties of concrete. For the experiment we have prepared five mix designs with different proportions of copper slag ranging from 0% (for the control mix) to 35% and 100%.
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Abstract: In this study, the effects of replacing fine aggregate by granulated lead/zinc slag waste (GLZSW) on the thickness of concrete shields against X-ray radiation and on the compressive strength of concrete have been investigated. The fine aggregate was substituted by GLZSW in four percentages: 25%, 50%, 75%, and 100% (by weight).
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Fine aggregate was replaced with copper slag. The water/cement (w/c) ratio in all the mixes was kept 0.43. The specimens were tested after 7, and 28 days of curing. The ratio of different materials used in each mix and mix designation are shown in Table 6.
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In developing countries, there is a necessity for sophisticated buildings and High Strength Concrete (HSC). In this study, the HSC of grade M65 with a slump of 100mm and w/c of 0.28 is considered. The fine aggregate of the concrete is replaced by 40%, 60% and 80% with Copper Slag.
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strength properties and effects of copper slag as partial replacement of fine aggregate in concrete. The Two different types of concrete grades M30 & M40 were used with different percentage of copper slag replacement from 0 to 100 percentages. The percentage replacement of sand was 0%, 10%, 20%, 30%, 40%, 50%, 60%, 80% & 100%. The
Get price1 Specific Gravity of Fine Aggregate 2.44 2 Specific Gravity of Coarse Aggregate 2.97 3 Specific Gravity of Copper Slag 3.95 4 F.M. of Coarse Aggregates 8.07 5 F.M. of fine aggregate 3.55 6 Free Moisture Content 1.75% III. EXPERIMENTAL PROGRAM As recommended by the IS Standard of a particular size
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The slump of the concrete incorporating the copper slag as fine aggregate increased as more natural sand was replaced by copper slag. Maximum slump obtained was 40mm which occurred at the 100% copper slag replacement as compared to slump of concrete mix. In general, it can be concluded that addition of copper slag
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This research evaluates the viability of crushed waste glass combined with steel slag (GSS) as fine aggregate in asphalt wearing courses. The Marshall mix method was used in production and evaluation of samples. GSS mixtures in the ratio 70:30 (steel slag: glass) were substituted for fine aggregate at varying percentages of 0 to 50 %.
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containing copper slag as partial replacement of fine aggregate in concrete The present study is based on trial mixes and achieving target strength. Mix proportions have been obtained for M30 grade concrete. Then copper slag is replaced by 0%, 10%, 20%, 30%, and 40% by the mass of fine aggregate to study the above tests
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Investigate the effect of copper slag replacement as a fine aggregate on the compressive strength of cement mortars at different curing periods. 2. Evaluate the effect of copper slag replacement on the workability and density of concrete. 3. Conduct compressive, tensile and flexural strength testing on concrete mixtures. 4.
Get priceCopper slag has been used as replacement of fine aggregate in this study. Properties of the fresh manufactured geopolymer concrete were studied by slump test. Compressive strength of the manufactured geopolymer concrete was tested and recorded after curing for 3, 7 and 28 days.
Get priceAnswer: 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 over futile fine aggregate replacement such...
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The researchers concluded that the workability was increase up to 31.57 for 100% replacement of copper slag as a fine aggregate. The maximum compressive strength of concrete increases up to 8.63% for 20% replacement of fine aggregate. They also revealed that 40% of the copper slag can be replaced which is greater than the target strength. 2.
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Use of Copper Slag and Fly Ash in High Strength Concrete. J. Kumar, K. Ramana. Materials Science, Engineering. 2015. An experimental investigation was conducted to study the effect of using copper slag as a fine aggregate and the effect fly ash as partial replacement of cement on the properties high strength.. 6.
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Caijun S, Christian M, Ali B (2008) Utilization of copper slag in cement and concrete. Resour Conserv Recycl 52(10):1115-1120 ... Dash MK, Patro SK (2018) Performance assessment of ferrochrome slag as partial replacement of fine aggregate in concrete. European J Environ Civil Eng. https: ...
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Feb 01, 2011 · Use of copper slag in the concrete industry as a replacement for cement and/or fine aggregates can has the benefits of reducing the costs of disposal . » More detailed Copper slag as fine aggregate for high performance concrete
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