The annual amount of copper slag in japan is two million tons. Typically it is composed of ferro silicate material and oxides formed when the molten slag is quenched in cold water. Copper slag loose copper slag manufacturer from ahmedabad. The aim of this paper is to investigate the mechanical properties of self.
Motivated by the sustainable production perspective, a laboratory testing program is exercised to ascertain the feasibility of utilizing copper slag in place of the natural fine aggregate in concrete. Abrasive blasting is used to clean and shape the surface of metal, stone, concrete and other materials. Pdf the paper presents results of tests of lightweight concrete made with copper slag waste material as fine aggregate fraction 0 2 mm. The hydration of cement with copper slag was investigated through xray diffraction xrd.
Alite, compressive strength, concrete, copper slag, hydration, portlandite. Durability characteristics of copper slag concrete with. At this value, workability was found to be satisfactory with minimal. Experimental investigation on the mechanical properties of. Abstract copper slag is one of the materials which is considered as waste materials in the production of copper. Concrete mixtures were prepared using different proportions of copper slag as partial and full replacement of fine aggregate. Copper slag as fine aggregate for high performance concrete. Effect of copper slag as a fine aggregate on the properties of cement. In this work, an extensive study using copper slag has been carried out to investigate strength, workability and durability. Pdf lightweight concrete with copper slag waste as sand.
Study of the properties of concrete containing copper slag as. Copper slag can be used up to 30% but when used ahead of 50% results in decrease in strengths. Behaviour and experimental study on concrete as partial. Pdf experimental study on concrete using copper slag as. M muranal2 1department of civil engineering, rural engineering college, hulkoti588205. It was observed that flexural strength at 28 days is higher than design mix without replacement for 20% replacement of fine aggregates by copper slag, the flexural strength of concrete increased by 14%. It was found that water absorption of copper slag was very low as compared with the natural sand and workability of concrete is affected due to it. Copper slag is a voluminous waste material obtained during the manufacturing of copper matte smelting process. Slag cement is commonly found in readymixed concrete, precast concrete, masonry, soil cement and high temperature resistant building products. Copper slag, or fayalite slag, is a byproduct obtained during the matte smelting, converting and refining of copper fig. The use of copper slag as a replacement for fine aggregate in construction will reduce damage to the environment due to the waste resulting from the copper manufacturing process and help in saving natural resources.
Study of the properties of concrete containing copper slag. 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 aljabri et al. Keywords copper slag, compressive strength, fine aggregates, hardening, selfweight of concrete. Other concrete mixtures were then prepared by substituting 20%, 40%, 60%, 80% and 100% copper slag in control mix. Use of copper slag and fly ash in high strength concrete.
Various mortar and concrete mixtures were prepared with different proportions of copper slag ranging from 0% for the control mixture to 100% as fine aggregates. Mechanical properties of concrete with copper slag and fly ash by. Evaluation of copper slag based on cement mortar in brick masonry construction. The effect of copper slag as partial replacement of cement on the compressive strength of concrete has been investigated. The durability characteristics such as water absorption and permeability decrease continuously with an increase in copper slag content. Properties of concrete using copper slag as a substitute. Use of copper slag microparticles in selfconsolidating concrete. Use of copper slag as a replacement for fine aggregate in. Effect of copper slag on strength of polypropylene fiber. However, not many durability studies have been made. Review of literature caijun shi, christian meyer, ali behnood 2008 have investigated the use of copper slag in the production of. Patil 2015 m30 grade concrete was used and the tests were conducted for various proportions of copper slag replacement with sand of. For concrete, containing copper slag, a possible mixing design is given in table 7. Slag cement benefits and use in concrete slag cement news.
For the fiber reinforced high performance concrete incorporating copper slag as fine aggregates, the volume percentage of steel fiber is 2%, as shown in table 2. To this aim, mixtures are made by employing 5, 10 and 15% copper slag as cement replacement and the strength properties, water penetration, chloride ion permeability, sulfate. The result of the iindex calculations is given in table 7. In this report, m30 grade of concrete was designed and tests were conducted with different percentage of copper slag as fine aggregate in concrete.
Copper slag is just one of many different materials that may be used as abrasive grit. The strength and durability of hsc were generally improved with the increase of copper slag content in the concrete mixture. In this paper, the effects of using copper slag wastes as a supplementary cementitious material on mechanical properties and durability aspects of concrete are studied. Introduction traditionally soil, stone aggregates, sand.
In this regard halfway replacing of cement with ggbs and sand with copper slag is considered. Paper open access preparation and mechanical properties of. Research paper performance of copper slag on strength. The use of slag from copper smelting as a fine aggregate in concrete was also investigated by akihiko and. It indicates that copper slag the can be utilized as supplementary cement replacement material in concrete. Comparison of the replacement of natural sand by copper. The durability characteristics such as water absorption and permeability decrease continuously with an increase in copper slag content 12. One of the greatest potential applications for reusing copper slag is in concrete production concrete, is the most versatile construction material.
Study of properties of concrete containing copper slag as. Feasibility assessment of incorporating copper slag as a sand. Project report on copper slag in concrete expert civil. Herein, scc has been produced using gcs as cement replacement by weight ratios of 5, 10, 15, 20, 25, and 30%. Copper slag is mainly used for surface blastcleaning. Copper slag belongs to medium alkaline material with ph values 6. Utilization of copper slag in applications in order to improve the workability of highstrength concrete, such as portland cement substitution andor as aggregates. As an essential business, agsco corporation will remain open in both illinois and new jersey. Patil 2015 m30 grade concrete was used and the tests were conducted for various proportions of.
The industrial byproducts from the refining of metals, such as copper slag cs from matte smelting and refining of copper, could be a feasible solution for producing highstrength concrete since incorporating cs as an aggregate enhances the durability of concrete mixtures without compromising the strength and other mechanical properties. Lifecycle assessment of highstrength concrete mixtures. Partial replacement of copper slag as fine aggregate. Use of copper slag in the concrete industry as a replacement for fine aggregates can has the benefits of reducing the costs of disposal and helps protecting the environment. Lifecycle assessment of highstrength concrete mixtures with. Utilization of copper slag in cement and concrete sciencedirect. Concrete was wont to verify numerous mechanical properties. One of the greatest potential applications for reusing copper slag is in concrete production concrete, is the. Experimental investigation of copper slag replacement of fine. Utilization of copper slag in msand as partial replacement. Copper slag is a byproduct produced during smelting of copper, which is then processed into abrasive products. Properties and effects of copper slag in concrete 48 table 2. In the evaluation the compressive strength of concrete and its durability properties represented by sorptivity and air permeability are taken into account. Highstrength concrete incorporating copper slag and ground pumice ali behnood march 2014 a dissertation submitted in fulfilment of the requirements for the degree of master of engineering school of civil and environmental engineering.
Yadav behavior of concrete using copper slag as a strength parameter in low cost construction work published in international journal of trend in scientific research and development ijtsrd, issn. The use of a chilean copper smelter slag in the manufacture of cement mortars. For this concrete containing 50% copper slag, fly ash is introduced in the concrete for better strength. Durability characteristics of copper slag concrete with fly ash.
Study of the properties of concrete containing copper slag as a fine aggregate. Highstrength concrete incorporating copper slag and ground. Pdf copper slag as sand replacement for high performance. Workability and bleeding of green concrete, compressive strength, flexural strength at 7 and 28 days, drying shrinkage and abrasion resistance were measured for all the concrete mixtures. As such, it is indicating lesser permeability of copper slag admixed concrete. A test certificate and sieve analysis report for omgrit. Highstrength concrete incorporating copper slag and.
Properties of pavement quality concrete and dry lean concrete. While there are many applications and benefits of slag cement, a few are highlighted below and detailed information sheets are located here. Copper slag concrete pdf manufacturers, factory, suppliers from china. In this paper, the effect of replacement of fine aggregate with copper slag in polypropylene fiber reinforced concrete is studied and the results are presented. Experimental investigation of copper slag replacement of. Use of copper slag in concrete and cement mortar as. Concrete experimental investigation of copper slag replacement of fine aggregate. Amount of materials required for a 6 cylinder of size 150300mm for copper slag materials 0% replacement of copper slag 10% replacement of copper slag 20% replacement of copper slag 30% replacement of copper slag cement 14. Properties of concrete containing copper slag waste. Copper slag is a byproduct yielded from a copper refinery.
The optimum content of copper slag as replacement of cement is recommended as 10%. Pdf effect of copper slag as a fine aggregate on properties. Holistic analysis of waste copper slag based concrete by. For this mixing design, dilution calculations were made in order to calculate the iindex of copper slag containing concrete, based on the values of the iindex for the constituents table 7. The physical and chemical properties of copper slag were investigated. Patil studied the properties and effects of copper slag in concrete, m. The fineness modulus of the combination of copper slag and fine aggregate was roughly 2. Many researchers have already found it possible to use copper slag as a concrete aggregate, because copper slag has similar particle size characteristics likely to that of sand. Mechanical properties and durability of concrete with water cooled. The use of copper slag in cement and concrete provides potential environmental as well as economic benefits for all related industries, particularly in areas where a considerable amount of copper slag is produced. Apr 15, 2020 copper slag also has a high strengthtoweight ratio, making it an effective option in concrete, or as a fill material under the roadway. It was found that compressive strength and flexural strength is increased due to high toughness of copper slag. Totally, fifteen concrete mixtures were prepared to incorporate copper slag in place of the fine aggregate in concrete. Use of copper slag microparticles in selfconsolidating.
Since waste copper slag with increased natural radioactivity is used in the assessed concrete, additional evaluation is carried out taking into account. The present investigationassesses the incorporation of copper slag in concrete. Copper slag and polypropylene copper slag is an industrial waste product produced in the smelting process during the production of copper from its ore. Workability and bleeding of green concrete, compressive strength, flexural strength at 7 and 28 days, drying shrinkage and abrasion resistance were measured for. Corrosion and leaching studies in blended copper slag. The attributes of concrete specimens made with varying proportions of. Request pdf concrete with copper slag fine aggregate. In this research, the use of copper slag as a replacement for fine aggregate is investigated. The percentage of copper slag added by weight ranged between 10100% of sand used in concrete. Behavior of concrete using copper slag as a strength. Feasibility assessment of incorporating copper slag as a. Copper slag, in amounts of 20, 40, 60, 80, and 100 percent, was substituted for fine aggregate in cement mortar and concrete. Copper slag also has a high strengthtoweight ratio, making it an effective option in concrete, or as a fill material under the roadway.
Use of waste copper slag, a sustainable material springerlink. Effects of copper slag as sand replacement in concrete. Fine grained powder of copper slag can be used as a supplementary cementing material to concrete and in cement clinker production. The second aspect deals with the strength properties of concrete by replacing cement with copper slag in the first phase and by replacing sand with copper slag in the second phase 2. The use of copper slag in cement and concrete provides potential environmental as well as economic benefits for all related industries, particularly in areas where a considerable amount of copper.
Paper open access preparation and mechanical properties. Pdf an experiment was conducted to investigate the strength and durability properties of concrete having copper slag as a partial. The results indicated that the water demand reduced by almost 22% at 100% copper slag replacement compared to the control mixture. The global production of refined copper over the past eight years is. Properties of concrete using copper slag as a substitute for. Project report on copper slag in concrete today im going to be shared about project report on copper slag in concrete with advantages and disadvantages of copper slag in concrete so lets get started. The percentage of copper slag used for replacement of. Effect of copper slag on strength of polypropylene fiber reinforced concrete dr. As per astm c1202, the value obtained for copper slag admixed concrete is graded under the category low.
The results obtained for concrete indicated that there is a slight increase in density of nearly 5% as copper slag content increases, whereas the workability increased significantly as copper slag. Use of copper slag for partial replacement to fine aggregate in. Comparison of convention concrete with copper slag replaced concrete 0% 10%cs 20%cs 30%c 40%cs 0 0. In this process, a stream of abrasive grains called grit are propelled toward the workpiece. Copper slag is an industrial byproduct material produced from the process of manufacturing copper.
Concrete with 40 % of copper slag cs as sand substitute can achieve higher strength compared to the control concrete 10, 11. Copper slag concrete pdf,, copper slag concrete pdf, factory outlets for steel gritg16 for colombi. The aim of the research is a comprehensive evaluation of concrete using the eipi method. The aim of this paper is to investigate the mechanical properties of selfconsolidating concrete scc incorporating ground copper slag gcs as cement replacement. Properties of pavement quality concrete and dry lean. Use of copper slag microparticles in selfconsolidating concrete authors. The properties of material for cement, fine aggregate, coarse aggregate and copper slag were studied for mix design.
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