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Nov 1, 2020Article. Effect of copper slag and granite dust as sand replacement on the properties of concrete. November 2020; Materials Today: Proceedings 43(5)
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Partial replacement of sand by Copper Slag in concrete is allowed up to 10% by mass. Copper Slag has similar properties to sand and is a very effective substitute during monsoon (rainy) season.
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1. Introduction. The field observations and site investigations of the construction materials and structural elements remains of the Babylon of Egypt revealed a sequence of continuous occupation extending from the sixth century BC to the present day, Figure 1.These include the massive stone/ walls of the canal linking the Nile to the Red Sea, and the harbor constructed by Trajan at its ...
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Copper is found in the free metallic state in nature; this native copper was first used (c. 8000 BC) as a substitute for stone by Neolithic man. Metallurgy dawned in Egypt as copper was cast to shape in molds (c. 4000 BC), was reduced to metal from ores with fire and charcoal, and was intentionally alloyed with tin as bronze (c. 3500 BC).
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Evaluation of the Properties of Expansive Soil Using Foundry Sand and Steel Slag: Country: India: Authors: ... Egypt: Authors: Dalia A.kshaf || Mohamed A. Mohamed || Karim M. El-Dash: 10.9790/1684-1901044249 Citation; Abstract; Reference; Full PDF; Paper Type: Research Paper: Title: Experimental Flow Field Analysis of Internal Spiral Grooving ...
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The replacement of sand with raw vermiculite decreased the strength of cement mortars when exposed to high temperatures [19]. The partial substitution for sand with copper slag was recommended at level up to 50% to produce environmentally friendly concrete [20].
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Compare the strength in 40% replacement of copper slag at 7, 28, and 60 days. M. V. Patil, Y.D.Patil [3] investigated on Effects of copper slag as sand replacement in concrete, for this research work, M30 grade concrete was used and tests were conducted for various proportions of copper slag replacement with sand of 0 to 100% in concrete. Mr.
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partial replacement of sand by copper slag Know More. Brinda D et al 4 investigated on various corrosion and durability tests on concrete containing copper slag as partial replacement of sand and cement In this paper, M20 grade concrete was used and the tests were conducted for various proportions of copper slag replacement with sand of 0 to 60, cement 0 to 20 and combination...
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Hugah, were buried.^` They were found in association with slag and metal detritus, suggesting the casting of copper or bronze items, although no moulds or bellows were identified. A num - ber of small metal objects were also found, both in the vicinity of the crucibles and across the island. For the most part, these
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For this research work, M20 grade concrete was used and the tests were conducted for various proportions of copper slag replacement with sand of 0%, 20%, 40%, and 60%, cement of 0%, 5%, 15% and 20% and combination of both (60% sand + 40% copper slag for fine aggregate and 85% cement+15% copper slag for cement) in concrete.
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Jan 12, 2021The mixture containing river sand was labeled as (S0). For the remaining mixtures, river sand was replaced with sea sand at levels of 25%, 50%, 75% and 100%. These mixtures were labeled as S25, S50, S75 and S100, respectively. Table 2 shows the proportion of mixtures. Table 2 Details of mortar mixture proportions (g) Full size table
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The scarcity of fine aggregate for the production of mortar and concrete, as partial replacement of sand by Copper Slag have been identified. Several researchers have investigated the use of copper slag in the production of cement, mortar and concrete as raw materials for clinker, cement replacement, coarse and fine aggregates.
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the replacement of sand with spent garnets up to 25% did not affect the strength. The 40% replacement of sand with spent garnet contributed thermal stability for high strength concrete [13]. The utilization of plastic waste as a replacement for sand in concrete had been conducted by many researches. The replacement of 10% of sand with plastic
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Copper/lead/zinc slag (CLZS) Formed from the smelting of ores, it is generally granulated to form a sand size product with a top size of about 5 mm, with only a small quantity of material below 1 mm. It is dark in color and has attracted the name of black sand. Mostly spherical in nature, it has been used as concrete sand.
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The results of the tests showed that copper slag has the potential to replace sand in the range of 40-60% to obtain SCC with desirable fresh and strength properties. The use of copper slag (industrial waste) reduces the dosage of superplasticizer, consumption of natural resources which is a solution to decline the cost of concrete and boon for ...
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In this study concrete of M30 grade is tried using fly ash as partial replacement for cement at 0% to 40% and bottom ash as partial replacement for sand at 0%, 10% to 40% with addition of jute and coir fibers at 0.5% and 2 % respectively to the weight of cement and they are compared to the conventional concrete.
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A hardener composition useful for producing shaped cement articles while utilizing wastes such as waste incineration ash or papermaking sludge incineration ash and broken concrete; and a process for producing shaped cement articles by using this hardener composition. The process comprises kneading a hardener composition comprising 4.0 to 13.0 wt. % of sodium carbonate, 5.0 to 10.6 wt. % of ...
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Apr 22, 2022As the filler material, copper-slag was used as the partial replacement for M−sand with 50%. The results depicted that, with the gradual decrease in the usage of cement does not gave much variation with that of the control. Whereas, the control1 mix gave a good results than with the control specimens.
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Slag is a by-product of smelting (pyrometallurgical) ores and used metals. Broadly, it can be classified as ferrous (by-products of processing iron and steel), ferroalloy (by-product of ferroalloy production) or non-ferrous/base metals (by-products of recovering non-ferrous materials like copper, nickel, zinc and phosphorus). Within these general categories, slags can be further categorized by ...
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May 25, 2021Reference Table for "U" Values "U" Value is the coefficient of transmission, i.e., the transmission of heat through the materials, which compose the building's "envelope," or outer shell. "U" Value has an inverse relationship to "R" Value. For example, a building with material with an "R" Value of R-11 converts to an "U" Value of 0.09 ( 1/R or 1/11 = 0.09).
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It is available in various sizes Copper slag is abrasive blasting grit made of granulated slag from metal smelting processes (also called iron silicate). Copper slag abrasive is suitable for blast cleaning of steel and stone/concrete surfaces, removal of mill scale, rust, old paint, dirt etc. Suitable for SA-3, SA-2 and SA-2.
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International Journal of Engineering Research & Technology is a peer-reviewed, open access and multidisciplinary engineering, technology and science journal that publishes original research & review articles of all major branches of Engineering, Science and Technology. We have adopted a fully open access publishing model which allows open global access to its published content so anyone can ...
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1 Faculty of Engineering, Cairo University, Egypt. 2Hot Labs. Centre, Atomic Energy Authority, post No. 13759, Egypt. ... The lead slag was used as partial replacement of sand in the studied composites. The concrete composites obtained were characterized in ... copper slag and lead slag are used as aggregates in concrete components (1-7 ...
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Sharpshot (R) copper slag (Iron Silicate) sandblasting abrasive is available in 3 main grades: Coarse: 12/30. Medium: 20/50. Fine: 30/60. Minimum Order : One pallet in 75lb bags = 3,000 lbs; or One tote bag = 4,000 lbs bulk. Full van or flatbed loads are usually shipped, but we can ship pallet quantities if necessary (the freight cost per lb ...
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Experimental investigations were carried out to study the possibility of using copper slag as a replacement of sand in concrete mixtures. The copper slag is used in various percentage ranging from 0%, 20%, 40%,60%,80% and 100%. The compressive strength of cubes, split tensile strength of cylinder and flexure strength of beams were evaluated.
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A cement concrete with M Sand and GGBS were prepared in different proportions 5%, 10%, 15%. ... replacement of sand. The copper slag is replaced by 20% of total weight of sand and MSP were used in different ... Alsaid Ahmed Almetwally Experimental study o f bearing capacity for Egyptian soils reinforced by geotextiles Journal of applied ...
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The ratio of metallic copper as compared with the ore introduced was fairly good : 36.2% in four hours. Depending on the type of stone used, we observed cracking and shattering due to the thermal shock, notably at the front part. Repair and changing of stones was needed after each smelting process.
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The optimal replacement percentage of cement with dolomite powder 10% and sand with m-sand 10%, when the compressive strength is 36.55 N/mm2.The maximum replacement percentage of cement with dolomite powder 10% and m sand 10%, then the Split tensile strength is 2.96 N/mm2.The mazimum replacement percentage of cement
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Reading time: 5 minutes. The aggregates used in the production of concrete are inert granular materials such as gravel, crushed stone, sand, slag, recycled concrete, and geosynthetic aggregates. The aggregates may be natural, manufactured, or recycled. Fig 1: Aggregates used in production of concrete. The aggregates are broadly classified into ...
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strength properties of copper slag as a partial replacement of sand at different levels (0%, 20% and 40%). Copper slag is a by-product obtained during the matte smelting and refining of copper. In the present investigation it is proposed to study the engineering properties of Copper slag viz. Slump test,
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This paper reports on some experimental investigations on the influence of partial replacement of sand by copper slag on the mechanical properties of concrete. M30 grade concrete was designed using copper slag, partially replacing the fine aggregate The fine aggregate was replaced by copper slag at various percentages ranging from 0%, 10%, 20% ...
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RS Blastech's copper slag is manufactured from processed mineral slags which have less than 0.1% free silica, developed within the Control of Substances Hazardous to Health Regulations. ... A quality material and is a popular alternative blasting medium in industrial cleaning to sand. Companies can additionally use copper slag to clean large ...
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The main issues in sand and gravel mining are the large areas that are a ected, ground water level changes, illegal mining, unsuitability of desert and marine sand, and costs of ... with up to 60% of waste as a sand replacement. RCA concrete achieved higher compressive strength also. Keywords: concrete; aggregate; recycled concrete aggregate; ...
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Durable, can be collected and reused Harder than copper and sand High coefficient of friction and resistant to slippage It has been proven to have higher efficiency than river sand for pollution removal Under normal conditions, it generates fewer dust exhaust than copper slag and garnet PS BALLS APPLICATIONS
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