endstream endobj 32 0 obj <>stream Because of this, it is used in special tools and military applications. Fresh And Hardened Properties Of Fly Ash Based Geopolymer Concrete With Copper Slag H. Hanio Merinkline *, S. Manjula Devi**, Dr. C. Freeda Christy *** *Department of Civil Engineering, Karunya University, Coimbatore-641114 ** Department of Civil Engineering, Karunya University, Coimbatore-641114 *** Department of Civil Engineering, Karunya University, Coimbatore-641114 ABSTRACT … Table-5 Chemical properties of Copper Slag: Chemical Composition Al 2 O 3 3.01% Tio 2 0.60% Fe 2 o 3 55.00% SiO 2 35.00% CaO 0.20% MgO 0.90% K 2 O 1.02% Na 2 O 0.95% CU 0.42% III. The air-cooled and granulated copper slag has a number of favorable mechanical properties for aggregate use, including excellent soundness characteristics, good abrasion resistance, and good stability. aggregate on the strength properties. Beyond which more voids and capillary channels appear in the microstructure of the concrete [9] , [10] . �z Introduction Copper slag (CS) is a waste material widely obtained from the industrial sector in the manufacturing of copper during the matte smelting process. Keywords: industrial solid waste management; copper slag aggregate; concrete properties 1. (P��y�� �:\���� +��GP����!��w17�J̑�Lʇ�徇D��&�$� 9��wo�Zt copper slag that is produced during matte smelting and converting steps (Al-Jabri [1]). 43 0 obj <>stream The effects of these two fillers on the mechanical properties of bamboo-epoxy composites are investigated. ABSTRACT Effective extraction of copper from sulphide ores requires careful operation of a copper smelter, which in turn depends very much on the chemistry of the feed and the resulting slag and matte. By using our site, you agree to our collection of information through the use of cookies. Sorry, preview is currently unavailable. characteristics of copper slag incorporated concrete was found out by replacement of 20%, 40%, 60%, 80% and 100 %, out of this 40% replacement gives highest compression strength at 28 days, more than 37.55 % higher in compression strength and 5.3% higher in Split Tensile Strength and 40.72% in flexural strength compare to conventional mix. The results of laboratory tests on this slag have been compared with the representative values obtained for sands. It is also having same properties of sand and it can be used as one of the alternative material in concrete. Caijun Shi et al (2008) [9] reviewed the effect of copper slag on the Engineering properties of cement mortars and concrete. Slag properties are important since they: (i) have a decisive effect on both process control and on the quality of the product and E. S – 2 (ii) good quality property data are needed to develop reliable mathematical models of the process and to optimise the efficiency of the process and quality control. You can download the paper by clicking the button above. To browse Academia.edu and the wider internet faster and more securely, please take a few seconds to upgrade your browser. The çotechnical properties of a copper slag are presented. The color of copper slag is like a black glassy particle with granular material … They do not shatter when they are dropped or become brittle when cooled below 0°C. The slag properties, particularly slag viscosity and electric conductivity, play very important roles in copper concentrate smelting in the Teniente Converter and in slag cleaning in the electric furnace. Academia.edu uses cookies to personalize content, tailor ads and improve the user experience. Also, the measured water absorption for copper slag was 0.40 % compared with 0.83 % for sand. Properties: Copper has a melting point of 1083.4 +/- 0.2°C, boiling point of 2567°C, specific gravity of 8.96 (20°C), with a valence of 1 or 2. Use of copper slag in concrete industry as replacement of cement or/and fine aggregates can have the benefit of reducing the costs of disposal and minimising environmental pollution [1,2]. The geotechnical properties include sieve analysis, specific gravity, maximum and minimum dry unit weights, angle of shearing resistance, one-dimensional compressibility, and permeability. Also, copper slag exhibits pozzolanic properties since it contains a low content of CaO, and it can possesses cementitious properties as CaO content increases or under activation of NaOH. Some of … Slag chemistry, phases present and temperature all have an effect on the slag properties that are of great importance in the The geotechn¡cal properties include sieve analys¡s, spec¡f¡c grav¡ty, The specific gravity of copper slag is varying between 1.7-1.90 g/cc. Therefore, the objective of this work is to understand the mechanism of magnetite formation during the blowing to slag and its dispersion in the slag in order to obtain the magnetite content in the range of 18% to 20% in the converter slag. edge of the slag properties. 4) Properties of Copper Slag S. No Characteristics Test Value 1 Type Air cooled 2 Specific gravity 3.0 3 Maximum size 2.36 mm 4 Fineness modulus 3.08 Table 4: Physical Properties of Copper Slag F. Chemical Properties of Materials Elements % of Cement % of sand % of copper slag … To learn more, view our, EXPERIMENTAL STUDIES ON HIGH PERFORMMANCE CONCRETE USING WASTE MATERILAS PROJECT REPORT SUBMITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE AWARD OF THE DEGREE IN BACHELOR OF TECHNOLOGY IN CIVIL ENGINEERING (HABITAT DEVELOPMENT, Concrete Strength Evaluation by using Copper Slag instead of Aggregates for M30 Grade of Concrete, IJMTST - International Journal for Modern Trends in Science and Technology (ISSN:2455-3778), Behavior of Concrete with Quarry Dust as Partial Replacement of Fine Aggregate, An Experimental Study on Strength Characteristics of Hybrid Fiber Reinforced Concrete Containing Copper Slag as a Partial Replacement of Fine Aggregate, An Experimental Investigation on the Properties of Concrete by Replacement of Fine Aggregate with Copper Slag, IJSTE - International Journal of Science Technology and Engineering. PDF Abstract. Copper slag is one of the materials that is considered as a waste which could have a promising future in construction Industry as partial or full substitute of aggregates. Copper is non-magnetic and non-sparking. Copper and its alloys, such as brass, are used for jewellery and ornaments. An experiment was conducted to investigate the strength and durability properties of concrete having copper slag as a partial replacement of sand (fine aggregate) and results have been presented in this paper. One of the greatest potential applications for reusing copper slag is in concrete production. PDF | On Nov 20, 2015, Jayaprakash Jayaraman and others published USE OF COPPER SLAG | Find, read and cite all the research you need on ResearchGate 9hN@� |�Tpy�P��f���iv`��0�4�@7 � �3Q� ��D�=^�W�5�e7�@w��;�u2��n;���Y�Yc. It is second only to silver as an electrical conductor. In the present work, a series of bamboo-fiber-reinforced epoxy composites are fabricated by using red mud and copper slag particles as filler materials. � %PDF-1.6 %���� Effect of Copper Slag As A Fine Aggregate on Properties . The granulated slag (<3 mm size fraction) has both insulating and drainage properties which are … Keywords: Copper smelting, Slags, Microstructure, Thermodynamic modelling. However, the … A filler plays an important role in determining the properties and behavior of particulate composites. h�bbd`b`*fb`�gb`��eLlf@� ����_@����(~����a5��� �o 200 sieve) in size. %%EOF Properties of Fine And Coarse Aggregate. 0 When copper liquid settles down in the smelter due to its higher density, the smears of copper slag remaining on the surface (also in liquid … Copper slag is the waste material of matte smelting and refining of copper such that each ton of copper generates approximately 2.5 tons of copper slag. 2016-8-31 copper slag as a replacement of fine aggregate on the strength properties and concluded that Maximum Compressive strength of concrete increased by 55% at 40% replacement of fine aggregate by copper slag and flexural strength increased by 14 % for 40 % replacement. Copper slag recommended less than 40% gives high mechanical properties. In Sweden (Skellefteå region) fumed and settled granulated copper slag from the Boliden copper smelter is used as road-construction material. The property of toughness is vital for copper and copper alloys in the modern world. The hardness of gypsum. endstream endobj 29 0 obj <> endobj 30 0 obj <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]/XObject<>>>/Rotate 0/Type/Page>> endobj 31 0 obj <>stream naces. Fig -1: Copper Slag 1.3 BASIC PROPERTIES OF COPPER SLAG The slag is a black glassy and granular in nature and has a similar particle size range like sand which indicate that it could be tried as replacement for the sand in cementite’s slag mixture. It has high friction angle due to a sharp angular shape. As its disposal becomes a concern for environmental protection agencies and governments, possible alternative outlets for this waste material are needed. increasing copper loses in the discard slag. Copper slag has a specific gravity of 4.12 and bulk density of 2.31 g/cc which is higher than that for normal river sand (2.6, 1.53 g/cc) which may result in production of concrete with higher density. the properties of slag can be tailored to the requirements of the targeted application. Thus, high magnetite production in the Peirce Smith converters is not desirable. H��WM�$7����K���,K6�@��r��@��@rXXB�����p����0�3�����'���v}{������������>����������?��/ï�K��]��/�O�0x�cx�}�v��$Ga#�o��#2���;z00���L���2���΁T��( The granulated copper slag is made up of regularly shaped, angular particles, mostly between 4.75 and 0.075 mm (No. Copper is reddish colored and takes a bright metallic luster. The optimum proportion of copper slag is found up to 100% CS for all the strength and durability parameters in HSC. Herein, an innovative technology has been developed to transform fayalite to magnetite and to induce the grain growth of copper matte and magnetite by modifying the molten copper slag. Processed air-cooled and granulated copper slag has a number of favourable mechanical properties for aggregate use, including excellent soundness characteristics and good abrasion resistance. Such use was common in areas where smelting was done, including St Helens and Cornwall in England. Blends of copper slag with Portland cement generally possess properties equivalent to Portland cement containing fly ash, but very different to the silica fume incorporation. The average composition of primary copper slag corresponds to 30–40 % iron, 35-40% silica, less than 10 % of alumina and calcium oxide and copper content is around 1 %Cu, similar to the ore mined. The slag, produced at the Amer¡can Smelt¡ng and Refining Company (ASAROOI plant in El Paso, Texas, is a by-product of refining copper ore in oil-fi¡ed reverberatory fur. Uses: Copper is widely used in the electrical industry. 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