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Prior to the preparation of the blends with cement, the steel slag (size fraction: 0–5 mm) was ground, in a 1 kg laboratory ball mill using steel balls as grinding medium, to a specific surface area of about 3000 cm2/g (according to the Blaine air permeability method) [15]. Then, the blended cements were produced by mixing the slag and the ...
Waste Management and Treatment of Copper Slag BCL. ... Almost all GGBFS is used as a partial substitute for portland cement in concrete mixes or in blended cements. Waste Management and Treatment of Copper Slag BCL. Jan 01, 2019 The slag dumped just outside the mine poses to be a big issue for the environment as copper slag contains heavy ...
EFFECT OF COPPER SLAG on the HYDRATION of BLENDED CEMENTITIOUS MIXTURES B. Mobasher1 M. ASCE, and R. Devaguptapu 2, A.M. Arino2 Abstract 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.
Aug 01, 2008· The use of copper slag as a pozzolanic material for a partial substitute for ordinary Portland cement and its effects on the hydration reactions and properties of mortar and concrete have been reported in several publications (Al-Jabri et al., 2006, Taha et al., 2007, Malhotra, 1993, Tixier et al., 1997, Ariño and Mobasher, 1999, Douglas and Mainwaring, 1986, …
Cement is made from base metal smelter slag produced by a nickel, copper, lead or zinc smelter. The slag is ground to a size within the range of from about -250 to about 425 mesh to produce ground slag cement, and the ground slag cement is mixed with Type 3 high early strength Portland cement in a ratio of at least about 0.5:1 by weight to produce a blended cement.
ASTM designates four types of blended cements: Type IS (X), Portland-Slag Cement: Blends containing up to 70% slag cement are used for general construction. Type IP (X), Portland-Pozzolan Cement: Used for general construction, this blend can contain up to 50% pozzolan. Fly ash is the most common pozzolan used in blended cement.
T1 - Effect of copper slag on the hydration of blended cementitious mixtures. AU - Mobasher, Barzin. AU - Devaguptapu, R. AU - Arino, A. M. PY - 1996. Y1 - 1996. N2 - 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.
Mar 01, 2008· Use of recycled copper slag for blended cements Use of recycled copper slag for blended cements de Rojas, M Isabel Sánchez; Rivera, Julián; Frías, Moisés; Marín, Félix 00:00:00 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 …
Sep 05, 2009· Mechanical Assessment of Copper Slag Concrete. Abstract : In this investigation a number of mechanical properties of concrete made with copper slag, as cement replacement material, is evaluated. Copper slag is a by-product of metallurgical industry. In this study up to 20 percent (by weight) of Portland cement is replaced by copper slag, and ...
Alabi and Mahachi [13] while studying cupola furnace slag blended concrete at elevated temperature observed improvement in compressive strength at all elevated temperature than the conventional concrete. Thomas et al. [14] developed a high-performance concrete by using cupola slag as a filler at varying percentages up to 12% replacement.
Jul 19, 2018· Corrosion and Leaching Studies on Blended Copper Slag in Concrete. Concluded non-leachability & low conductivity of concrete made of copper slag. 2005: National Council for Cement and Building Material (NCCBM), New Delhi: Technical Suitability Study of Copper Slag in Cement Manufacturing Process
May 03, 2014· Use of cooper slag in cement and concrete. The copper slag obtained may exhibit pozzolanic activity and may therefore be used in the manufacture of addition-containing cements. Blends of copper slag with portland cement generally possess properties equivalent to portland cement containing fly ash, but very different to the silica fume ...
May 01, 2004· Title: Leaching Characteristics of Blended Mortars Containing Copper Slags Author(s): M. I. Sanchez de Rojas, J. Rivera, M. Frias, J. L. Esteban, and M. 0laya Publication: Symposium Paper Volume: 221 Issue: Appears on pages(s): 925-940 Keywords: blended mortars; by-product; copper slag; leaching Date: 5/1/2004 Abstract: Over the last few years …
compressive and tensile strength performance of copper slag and silica fume. Respective graphs and discussion will be made to find out the optimum result and make it more sustainable product to be used for the construction. Keywords-Copper slag, Silica Fume, Blended concrete, compressive strength, split tensile strength.
Apr 09, 2016· Copper slag is a by-product obtained from production of copper metal. As copper slag contains silica and alumina, it may exhibit pozzolanic property, and hence it may be re-use in ground improvement applications as a partial replacement of cement. Present study evaluates systematically the possible pozzolanic property of copper slag as well as studies the effect of copper slag …
Properties And Effects Of Copper Slag In Concrete 48 Table 2.7 Physical Properties of Coarse Aggregates, Fine Aggregates and Copper Slag Table 2.8 Chemical Analysis of Copper Slag 3 Table 2.9 Mix Proportions (Kg / m3) and Mix Ratio and tested at 7,28 and 56 days of curing in water Table 2.10 Sizes and Types of Moulds Used for ...
Apr 26, 2019· This study aims at evaluating the effect of ultrafine granulated copper slag (UGCS) on hydration development of blended cement and mechanical properties of mortars. The UGCS with the median particle size of 4.78 μm and BET surface area of 1.31 m 2 /g was used as a cement replacement to prepare blended cements.
copper slag blended cement. copper slag blended cement XSM excellent mining crushing machinery products or production line design, the company is committed to... In this paper, the hydration of slag in blended cements is investigated through the measurement of hydration reaction indicators such as portlandite content, no.
Key words: Copper slag (CS), P ortland blended cement, Strength properties, Supplementary cementitious material, X-ray diffraction (XRD). INTRODUCTION. Cement …
The utilization of copper slag for applications such as Portland cement replacement in concrete, or as raw material has the dual benefit of 1 eliminating the cost of disposal and lowering the cost of the concrete. The use of copper slag in the concrete industry as a replacement for cement can have the benefit of reducing the costs of disposal ...
In blended cements, the SCM particles are expected to contribute to their final performances due to a chemical role and/or a physical filler role. The partial replacement of cement by copper slag results in considerable energy savings and reduced CO2 emissions [1]. However, if leaching of metals takes place, utilization of slag in
Jan 28, 2008· 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. Blends of copper slag with Portland cement generally possess properties equivalent to Portland cement containing fly ash ...
This study aims at evaluating the effect of ultrafine granulated copper slag (UGCS) on hydration development of blended cement and mechanical properties of mortars. The UGCS with the median particle size of 4.78 μm and BET surface area of 1.31 m2/g was used as a cement replacement to prepare blended …
copper slag in concrete production. Copper slag is one of the by-product materials from the copper smelting. In Indonesia, around 400,000 tons of copper slag are produced per year by Freeport Company and Newmont Company [3]. This number is a motivation for the researchers to study the copper slag as aggregate or cement replacement in concrete.
Keywords – GGBS, Copper slag, Blended concrete, M40 grade concrete 1. INTRODUCTION Our country's infrastructure requirements are increasing day by day and concrete is considered as the main constituent. Ordinary cement Portland is recognized as a major building
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 …
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…
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 1.5 % hydrated lime. Hydration reactions were monitored using quantitative X-Ray …
Jul 06, 2020· For instance, it can be inferred from Figure 2(a) and Figure 2 (b) that the 3-day compressive strength of geopolymer concrete mix having 15% UFGGBFS and 12M NaOH concentration increases from 32.54 N/mm 2 for geopolymer concrete with crushed stone sand as fine aggregate to 36.56 N/mm 2 for geopolymer concrete with copper slag as fine aggregate ...
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.
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 0.67, 1.03 and 1.37 m2/g, respectively. The samples are used to replace 30% cement (PC) to get 3 PC-GCS binders.
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.
Portland, Blended, and Other Hydraulic Cements becomes harder and stronger. Most of the hydration and strength development take place within the first month, but then continues, though more slowly, for a long time ... Cement rock Ore washings Fuller's earth Copper slag Chalk Pyrite cinders Limestone Fly ash* Clay Shale Loess Fuller's earth ...