Jan 28, 2008 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 equivalent to Portland cement containing fly ash ...
Use of copper slag in concrete industry as replacement of cement orand fine aggregates can have the benefit of reducing the costs of disposal and minimising environmental pollution 1,2. Little research work has been conducted to investigate the potential use of copper slag as fine aggregate on the properties of normal concrete. Akihiko and
ordinary Portland cement. The use of copper slag reduces the early age strength 1 day while increasing it beyond 7 days 4. The use of ground copper slag up to 15 by mass as a Portland cement replacement increased the strength significantly 5. The addition of copper slag to cement increasedits initial and final setting times 6.
increase in fly ash content. Therefore, it is recommended that 50 of copper slag can be used as replacement of sand and 18 fly ash can be used as replacement of cement in order to obtain high strength concrete. Keywords High Strength Concrete, Copper slag, fly ash. 1. Introduction High strength concrete HSC is widely used in the
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.
Aug 20, 2014 This work focuses on the use of copper slag, as a partial replacement of sand for use in cement concrete and building construction. Cement mortar mixtures prepared with fine aggregate made up of different proportions of copper slag and sand were tested for use as masonry mortars and plastering. Three masonry wall panels of dimensions 1 1 m were plastered. The studies showed that
steel slag was investigated for their suibilittay in road pavement , while copper tresses aslag and zinc slag may be used as a partial replace ment of fine aggregate for the construc-tion of sub base, base and bituminous layers. The specific gravity of copper slag, zinc slag and steel slag
Since copper smelting slag contains high content of iron, and copper and zinc, common applications of copper smelting slag can be used in value-added products such as abrasive tools, roofing granules, road-base construction, railroad ballast, fine aggregate in concrete, etc. Some studies have attempted to recover metal values from copper slag.
This problem can be solved with using different cement replacement materials as a part of cement. In this study, the effect of copper slag on the mechanical properties and fracture energy of fiber reinforced cementitious composite FRCC containing polypropylene fiber is investigated. Silica fume and copper slag were replaced as a part of cement.
Jan 30, 2018 The cement used was ordinary Portland cement, which complies with the Chinese National Standard GB175-2007. The specific surface area and strength grade of the cement were 350 m 2 kg 1 and 42.5, respectively. The steel slag used was the converter steel slag with 1.5 f
Jul 26, 2021 The use of copper slag as a substitute for cement andor fine dust in the concrete industry has the advantages of lower processing costs and less environmental pollution. Copper Slag Features. It can be used to stabilize the ground, copper slag can cut wood. Copper slag molding can effectively replace bricks, blank blocks and pavers.
Feb 26, 2019 Copper slag is just one of many different materials that may be used as abrasive grit. Copper slag can be used in concrete production as a partial replacement for sand. Copper slag is used as a building material, formed into blocks In Sweden, fumed and settled granulated copper slag from the Boliden copper smelter is used as road- construction ...
Jul 06, 2020 Researchers throughout the world have studied the use of slag 13, quarry dust 14, granite fines 15-18, copper slag 19, 20, etc. as replacement of conventionally used natural sand as fine aggregate for the manufacture of concrete.
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 2.6, the optimum fineness modulus for concrete mix design. At this value, workability was found to be satisfactory with minimal bleeding.
USE OF COPPER SLAG IN CONCRETE AND CEMENT MORTAR AS REPLACEMENT OF SAND. IRJET Journal. Related Papers. Effect of Copper Slag As A Fine Aggregate on Properties of Concrete. By IRJET Journal. Experimental Study on Glass Fiber Reinforced Concrete With Partial Replacement Of Cement With Ggbs And Fly Ash.
To study the effect of copper slag substitution as a replacement for fine aggregates on the strength of cement mortars, specimens were prepared with different percentages of copper slag by weight. The percentage of copper slag added were as follows 0 for the control mix , 20, 40, 50, 60, 80 and 100. Cubes 70.6
copper slag use in china Crusher manufacturers quotes. can the copper slag be used instead of sand in concrete. Copper Slag Suppliers. Use Of DRI In EAFs Slag
Aug 20, 2014 The percentage of copper slag used for replacement of river sand are 0, 25, 50 and 75 . Cement sand mortar joint thickness of 10 and 15 mm. Plaster ability of use of copper slag for partial replacement material for river sand. Use of copper slag as replacement material for river sand in cement concrete 0, 25, 50, 75 and 100
Copper slag is a common type of industrial waste with a low utilization rate, owing to the lack of effective treatment methods. Therefore, in this study to ensure maximum utilization, copper slag was modified at a high temperature, and then, used to prepare cement-based color facing mortar.
The copper slag can also be used in cement and concrete production and provides potential environmental and economic benefits for all parties involved. The BCL dump will be regarded as raw ...
Oct 20, 2020 In the present work, copper slag was used as substitution of sand in steel fibre concrete. From the test results following conclusion can be drawn. 1. Workability of fresh fibre concrete improves slightly with the use of copper slag. This may be due to lower water absorption by copper slag and smooth surface texture of its particles. 2.
Jul 30, 2018 Hwang CL, Laiw JC.1989, Properties of concrete using copper slag as a substitute for fine aggregate, The 3rd international conference on fly ash, silica fume, slag, and natural pozzolans in concrete, SP11482 pp 167795. F. Li, 1999, Test research on copper slag concrete, Natural Science Edition, J Fuzhou Univ 1275, pp. 5962.
Jul 27, 2021 Copper slag is one of the possible abrasives that can be used. Other blasting media that can be considered are sand, glass, plastic or water. Blasting with copper slag is generally done for two different purposes. First of all, copper slag blasting is an effective way to remove mill scale, rust, dirt, paint and other coatings from metal ...
Parsons has measured relatively high proportions by weight of a number of toxic elements in the Penn Mine slag zinc levels as high as 28 percent, copper levels up to 6 percent, lead levels to 11 ...
When red mud nd copper slag used in concrete is any corrosion takes place Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, When red mud nd copper slag used in concrete is any corrosion takes place, quarry, aggregate, and different kinds of minerals.
May 03, 2014 Copper slag is a by-product obtained during smelting and refining of copper. The waste copper slag can be used as abrasive tools, road construction, and ballast. Despite increasing rate of reusing copper slag, the huge amount of its annual production
Copper slag in cement and concrete has the potential to benefit all related industries in terms of both environmental and economic benefits, especially in areas where a large amount of copper slag is produced. Despite the fact that copper slag is commonly used in the sandblasting industry and in the manufacture of abrasive ...
The waste copper slag can be used as abrasive tools, road construction, and ballast. Despite increasing rate of reusing copper slag, the huge amount of its annual production is disposed in dumps or stockpiles to date. One of the greatest potential applications for reusing copper slag is in cement and concrete
Jul 20, 2021 Fineness modulus of fine aggregates is 2.6 while that of copper slag is 2.7. This can result in a smaller specific surface area. Also, the surface texture of copper slag is glassy and smooth, which reduces its water absorption. Furthermore, the water absorption of fine aggregate is 1.42 while that of copper slag is 0.46 .
Copper slag is an excellent by-product or waste material that retains its original properties. Due to its chemical amp physical composition which includes high iron, silica, and aluminum oxide content, it can be used as a partial replacement for sand in concrete mixes.. Although the majority of the produced copper slag is used in the sand blasting machine industry and in the manufacturing of ...
Copper slag is one of the waste material which can be used in construction industry as partial replacement of fine aggregates i.e., river sand. This paper presents the experimental work carried out by replacing fine aggregate with Copper slag. M20 and M35 grades of Concrete were used as reference mixes.
8 rows May 01, 2007 The chemical analysis of the slag indicated that its matrix is compatible with the cement system ...
It is chemically stable and its physical properties are similar to that of natural sand. 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 2.6, the optimum fineness modulus for concrete
aggregate or cement replacement in concrete. Several previous researchers have reported the potential use of copper slag as cement replacement in mortar and concrete. Moura . et al. 4 found that the compressive strength of concrete containing copper slag increased gradually for all water-to-binder ratios in comparison to that of reference mixture at 28 days of curing.
copper slag significantly reduces the hydration of cement. It indicates that copper slag the can be utilized as supplementary cement replacement material in concrete. The optimum content of copper slag as replacement of cement is recommended as 10. Keywords Alite, Compressive strength, Concrete, Copper slag, Hydration, Portlandite,