Concrete experimental investigation of copper slag replacement of fine aggregate. Copper slag, in amounts of 20, 40, 60, 80, and 100 percent, was substituted for fine aggregate in cement mortar and concrete. Copper slag, fine aggregate, partial replacement, m50 grade concrete. Nsa 172 slag and its relation to corrosion of ferrous m. Page 3 most of the corrosion of metals such as iron, lead and zinc in underground service at. Furthermore, it can be concluded that the utilization of copper slag in cement and concrete provides additional environmental as well as technical benefits for all related industries, particularly in areas where a considerable amount of copper slag is produced. Copper slag is a byproduct obtained during matte smelting and refining of copper. The percentage of copper slag added by weight ranged between 10100% of sand used in concrete. Chapter 1 components of concrete concrete is made up of two components, aggregates and paste. 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.
The use of granulated copper slag as cement replacement. Investigations on properties of concrete by partial. Similar trends of compressive strength development of concrete containing copper slag fine aggregate to those of mortars. Effects of copper slag and recycled concrete aggregate on. Evaluation of copper slag based on cement mortar in brick masonry construction. M muranal2 1department of civil engineering, rural engineering college, hulkoti588205. Partial substitution of copper waste in concrete with shows good resistance to sulphate attack. Partial replacement of fine aggreggate by copper slag and.
The feasibility of the use of copper slag and recycled concrete aggregate as substitutes for virgin aggregates in cir mixes was investigated. A study on effective replacement of fine aggregate using copper slag ijste volume 1 issue 10 045. An experimental investigation on strength properties of concrete through full replacement of sand by copper slag syed moizuddin mahmood 1 and s m hashmi 2 1 student, department of civil engineering mtech structural, khaja banda nawaz college of. The paste is composed of cement, water, and entrained air and ordinarily constitutes 20 to 40 percent of the total volume. This work focuses on the use of copper slag, as a partial replacement of sand for use in cement concrete and building construction. Abstract copper slag is one of the materials which is considered as waste materials in the production of copper. In order to reduce the accumulation of copper slag and also to provide an alternative material for an approach has been done to investigate the use of copper slag in concrete for the partial replacement of sand. The annual amount of copper slag in japan is two million tons. A study on substitution of copper slag as fine aggregate in high.
Nsa 172 slag and its relation to the corrosion characteristics of ferrous metals national slag association. Here we are using opc of 53 grade, well graded coarse and fine aggregate. Partial replacement of copper slag as fine aggregate. Copper slag as fine aggregate for high performance concrete. Copper slag, or fayalite slag, is a byproduct obtained during the matte smelting, converting and refining of copper fig. Experimental study on concrete using copper slag as. Concrete containing increasing quantities of copper slag is exposed to high temperatures and tested. In this paper, the effects of using copper slag wastes as a supplementary cementitious material on mechanical properties and durability aspects of concrete.
Effects of copper slag as sand replacement in concrete. Conclusion by our project, we conclude that strength of concrete increased by the replacement of msand by copper slag, saves concrete material cost. Performance of copper slag and ferrous slag as partial. During smelting, impurities become slag which floats on the molten metal. National institute of technology, surat, gujarat abstract. 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. Copper slag is a byproduct of copper extraction by smelting. In this work, an extensive study using copper slag has been carried out to investigate strength, workability and durability. Concrete mixtures were prepared using different proportions of copper slag as partial and full replacement of fine aggregate. Economic and environmentally beneficial treatment of slags.
Here the fine aggregate partially replaced with copper slag in concrete with 5%. Copper slag is a byproduct produced during smelting of copper, which is then processed into abrasive products. Properties of concrete containing copper slag waste. Economic and environmentally beneficial treatment of slags in.
Durability of copper slag contained concrete exposed to sulfate attack m. Assessment of workability and corrosion characteristics of copper. Copper slag belongs to medium alkaline material with ph values 6. Durability of copper slag contained concrete exposed to. The effect of different alkali contents 4%, 6%, 8% and 10% and silicate modulus 1. Studies on use of copper slag as replacement material for. Herein, scc has been produced using gcs as cement replacement by weight ratios of 5, 10, 15, 20, 25, and 30%. M30 grade were prepared and the different strength parameters i. Study of the properties of concrete containing copper slag as a fine aggregate. Request pdf concrete with copper slag fine aggregate. Comparison between strength of concrete by using m. Properties and effects of copper slag in concrete 46 properties and effects of copper slag in concrete m. Copper slag is one of the byproduct materials from the copper smelting. This paper focuses on the effects of exposing concrete made up of copper slag as fine aggregate to high temperatures of 2000c, 4000c and 6000c.
Durability and characteristics of copper slag as fine aggregate and fly ash as cement in concrete. Toughness of copper slag is found to be more, which increases the compressive and flexural strength of concrete. The aim of this paper is to investigate the mechanical properties of selfconsolidating concrete scc incorporating ground copper slag gcs as cement replacement. Effects of different additives such as portland cement, fa, and rha were studied. Copper slag is considered as one of the waste materials. These applications utilize only about 15% to 20% of copper slag generated and remaining material is dumped as a waste. However, the economic considerations need further evaluations in different areas. Experimental investigation on effective replacement of cement and. The fineness modulus of the combination of copper slag and fine aggregate was roughly 2. Durability and characteristics of copper slag as fine aggregate and. This number is a motivation for the researchers to study the copper slag as. As an essential business, agsco corporation will remain open in both illinois and new jersey. Slag that is quenched in water produces angular granules which are disposed of as waste or utilized as discussed below.
Cs was used as fine aggregate up to 30% in the design of bituminous mixes like bituminous macadam, dense bituminous macadam, bituminous concrete and semidense bituminous concrete. Mechanical properties and durability of concrete with water cooled. Based on the results watercooled copper slag can be considered to be a suitable candidate for the partial replacement of fine aggregate in concrete. Copper slag is an industrial byproduct material produced from the process of manufacturing copper. Copper slag also has a high strengthtoweight ratio, making it an effective option in concrete, or as a fill material under the roadway. Pourkhorshidi building and housing research center bhrc, department of concrete, p. The results obtained showed that the mortars manufactured with copper slag. Experimental investigation of copper slag replacement of fine aggregate ppt free download as powerpoint presentation. Typically it is composed of ferro silicate material and oxides formed when the molten slag is quenched in cold water. Copper slag is a byproduct yielded from a copper refinery.
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. 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. Experimental investigation on the mechanical properties of. 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. The use of a chilean copper smelter slag in the manufacture of cement. It also makes concrete more fire resistant, and helps to slow the spread of heat and flames. Effect of elevated temperatures on copper slag concrete. Studies on use of copper slag as replacement material for river. The global production of refined copper over the past eight years is.
The percentage of copper slag used for replacement of. Experimental investigation of copper slag replacement of. Partial replacement of fine aggreggate by copper slag and cement by fly ash 1. Use of copper slag microparticles in selfconsolidating. Introduction traditionally soil, stone aggregates, sand. In indonesia, around 400,000 tons of copper slag are produced per year by freeport company and newmont company 3. A study on effective replacement of fine aggregate using. Achal jain nitin thakur to study the properties of concrete with partial replacement of fine aggregates through copper slag and coarse aggregates by recycled. Study of the properties of concrete containing copper slag. Use of copper slag as construction material in bituminous. Copper slag and different additives improved the durability and mechanical properties of. When added to concrete, it makes the paved surface less porous, which minimizes problems with moisture and freezing.
For a long time, slag was seen as a waste product fit only for dumping, but alternative applications were already in place hundreds of years ago. Introduction the utilization of industrial waste or secondary materials has encouraged the production of cement and concrete in. Various concrete mixes with copper slag content of 20%, 30%, 40%, 50%, 60%, 70%, 80%. Copper slag cs is produced as waste from roasting of copper, in which sulphur as so 2 is eliminated. Keywords copper slag, concrete, durability, replacement, compressive strength. Use of copper slag in the concrete industry as a replacement for cement andor.
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