Bakker, permeability of blended cement concrete, in fly ash, silica fume, slag and other mineral by products in concrete, sp-79, vol 1 american concrete institute, farmington hills, michigan, 1983, pp.589605 google scholar.
Pastes were prepared using 650 g of cement incorporating copper tailings as cement additive at 0, 5 and 10 addition level by mass.Similarly, 361 g of cement containing copper tailings as an additive at of 0, 5 and 10 by mass, 39 g of gypsum, 1100 g standard sand and 194 ml water were used for the preparation of potential sulfate.
Slag-blended cement sbc.1 there is no benet, from the cement industrys point of view, in replacing clinker with another material that also requires a high-temperature treatment.Of course, the recycling of mswi y ash slag as a cement constituent may solve the storage problem and may even have a positive effect on the long-term durabil-.
The effects of copper tailings as an additive, on some durability properties of cement mixtures were investigated.In each mixture, copper tailings addition levels by mass were 0, 5 and 10.Compared to the control samples, copper tailings blended.
2 use of copper slag in blended cement the use of copper slag as a pozzolanic material for ordinary portland cement and its effects on the hydration reactions and properties of mortar and concrete have been reported in several applications al-jabri et al.6 2006, tata et al 2007, malhotra 1993, tixier et al 1997, ariro and mobasher.
The copper slag, the by product of the melting plant of lac, north albania can be used successfully as portland cement substitute in the cement industry.Copper slag is one of the materials that is considered as a waste material which could have a promising future in construction industry as partial substitute of either cement or aggregates.
The inertisation of copper ii by using ordinary portland cement opc or blended portland cement with granulated blast furnace slag gbfs or metakaolin mk was studied.Various mixes were prepared by using a watersolid ratio ws of 028 by weight.
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Effect of copper slag on the hydration of blended cementitious mixtures.
Abstract germanium ge, a waste residue leaching from zinc zn smelting process, has potential cementitious properties and could be recycled as a cement supplement activated by chemical reagents.In this work, a test was conducted to determine the hydration properties of ge slag-cement-based composites with ge slag gsordinary portland cement pc contents of 0wt, 5wt, 10wt,.
The utilization of solid waste is the challenge for the civil and environmental engineers to utilize the waste from different industry to excel the sustainable development, and in the same time, it is matching with the cost concern of the present materials.Copper slag is a by-product obtained during smelting and refining of copper.The waste copper slag can be used as abrasive tools, road.
A brief review on blast-furnace slag and copper slag as fine aggregate in mortar and concrete based on portland cement alaa m.Rashad building materials research and quality control institute, housing building national research center, hbrc, cairo, egypt received september 16, 2015 abstract.
The knowledge of using blended cement systems allows cost-effective solutions and a greater flexibility in meeting the design requirements.In the area of blended cements mour team has specialized in teh use of blended class c, f, and n flyash, copper slag, matakaolin, and wollastonite.
Optimization of copper slag waste content in blended cement production some industrial wastes such as blast furnace slag, fly ash, silica fume, by-product gypsum and nonferrous metal slag can be used as raw material and blending components in the cement industry.The amount of any waste used in this way depends on many factors such as the.
Copper slag exhibits pozzolanic properties as cao content in copper slag increases, it can exhibit cementitious properties.Studies 8-12 indicated that a copper slag, which contains approximately 19 cao, show a good cementitious property under the activation of naoh.The effect of copper slag on the hydration of cement-based.
Construction and building materials 16 2002 489494 metallurgical slag as a component in blended cement amit raia,, j.Morchalleb a building materials and technology promotion council, core 5a, 1st floor, india habitat.
The application of copper slag waste effectively reduced the deteriorative sulfate expansions as much as replacing of cement by 5, 10 and 15 of copper slag led to 57.7 lower expansion than that of concrete without copper slag.
Mechanical activation of granulated copper slag gcs is carried out in the present study for the purposes of enhancing pozzolanic activity for the gcs.A vibration mill mills the gcs for 1, 2, and 3 h to produce samples with specific surface area of 0.37 m2g, respectively.The samples are used to replace 30 cement pc to get 3 pc-gcs binders.
Citeseerx - document details isaac councill, lee giles, pradeep teregowda effect of copper slag on the hydration of cement based materials is studied.Up to 15 by weight of copper slag was used as a portland cement replacement.Activation of pozzolanic reactions were studied using up to 1.Hydration reactions were monitored using quantitative x-ray diffraction qxrd and.
Copper slag is a by-product generated during smelting to extract copper metal from the ore.The copper slag obtained may exhibit pozzolanic activity and may therefore be used in the manufacture of addition-containing cements.In this paper the effect of the incorporation of the copper slag in cement is measured.
Copper slag is a byproduct generated during smelting to extract copper metal from the ore.The copper slag obtained may exhibit pozzolanic activity and may therefore be used in the manufacture of additioncontaining cements.In this paper the effect of the incorporation of the copper slag in cement is measured.Blends of copper slag with portland cement generally possess properties.
Indian cement industry is facing environmental issue of emission of carbon dioxide co 2, a greenhouse gas.Blended cements including supplementary cementitious materials are substitute of portland cement to reduce co 2 emission.The present paper investigates theappropriateness of copper slag cs as supplementary cementitious material.
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