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Aug 04, 2018· Granulated blast furnace slag ( GBFS) has been able to replace Sand to the amount of 70%. GBFS is byproduct of steel industry hence this method is feasible at location where steel plant is located in close proximity. Copper slag is yet another r...
strength properties of copper slag as a partial replacement of sand at different levels (0%, 20% and 40%). Copper slag is a byproduct obtained during the matte smelting and refining of copper. In the present investigation it is proposed to study the engineering properties of Copper slag viz. Slump test,
and sand with copper slag to find out the maximum strength of concrete. Now we are doing this investigation by dividing the fineness ratio''s percentages as 15% of fly ash as replacement of cement and 10%, 20%, 30%, 40% of copper slag as replacement of sand. Where the replacement of cement
Mar 25, 2015· See in the photos. Black Mountain is a copper slag dump located in Wusakile township Kitwe. Slag is ''waste'' material left over when metals are refined from ore. It is used to construct roadways and railroad beds when mixed with cement. It is also used for sand blasting, added to roofing shingles and many other usages.
copper slag as a substitution replacement material of sand. Copper slag which is an industrial waste product can be used as replacement for cement with sand and contributes to the increase in various mechanical properties of concrete. Copper slag can be used up to 30% but when used ahead of 50% results in decrease in strengths. [13]
The blasting media manufactured from copper slag brings less harm to people and environment than sand. The product meets the most rigid health and ecological standards. Construction. 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.
The mix design of M25 grade of concrete gives HPC concrete when replacement of copper slag is 50%. In this case we observed that Copper slag behaves like river sand. When we use bamboo as a replacement of steel, bamboo gain almost same flexural strength compared to steel reinforced concrete.
using copper slag as a replacement of fine aggregate on the strength properties. M25 grade concrete was used and tests were conducted for various proportions of copper slag replacement with sand of 0% to in concrete. The test results indicate that compressive strength of concrete
Copper slag as sand replacement The use of copper slag as sand substitution improves the strength and durability characteristics of high strength concrete up to 50% replacement level (AlJabri et al., 2009), increased the compressive and flexural strength of .
copper slag as partial replacement of sand. In this report, M30 grade of concrete was designed and tests were conducted with different percentage of copper slag as fine aggregate in concrete. The results indicate that workability increases with increases in the copper slag percentages. The Compressive
Partial Replacement of Copper Slag as Fine Aggregate Ambrish E1, Dhavamani Doss S2, ... "Copper slag as sand replacement for high performance concrete", Cement Concrete Composites, Vol. 31, pp. 483 488, 2009. [2] Akihiko, Y. and Takashi, Y. "Study of utilisation of copper slag
Effect of copper slag as a fine aggregate on the properties of cement ... Therefore, it is recommended that up to 40–50% (by weight of sand) of copper slag can be used as a replacement for fine aggregates in order to obtain a...
Properties And Effects Of Copper Slag In Concrete 47 Fineness Modulus The fineness modulus of coarse aggregates (20 mm 10 mm), sand and copper slag are,, and respectively. Table to shows the fineness modulus of 20 mm, 10 mm coarse aggregates, sand and copper slag respectively.
• 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, a readily available waste material from shipyards in Singapore, is a possible replacement material for a portion of the natural sand in concrete mixtures, thus sustaining the projected growth in .
Aug 12, 2019· When sand is replaced with copper slag beyond 40% the strength of concrete was reduced and least compressive strength of MPa is obtained when sand is replaced with copper slag because the low water absorption properties of copper slag can leave excess water in concrete, which can cause excessive bleeding at higher copper slag content.
It is recommended that 40 wt% of copper slag can be used as replacement of sand in order to obtain HPC with good It should be noted that further research work is needed to explore the effect of copper slag as fine aggregates on the properties of concrete with different cement types, silica fume sources and the degree of fines.
environmental concern but also finding a value added and meaningful substitute for natural sand. C opper slag is totally inert material and its physical properties are similar to natural sand. A laboratory study was carried out in the Institute to investigate the potential of using copper slag as a partial replacement of sand in cement concrete.
Granulated Copper Slag as a patial replacement for sand. r Fifteen concrete mixes with different proportions of Granulated Copper Slag ranging from 0% (for the control mix) to were considered. All the mixes were proportioned by the method of absolute volumes considering the specific grav ity of the constituent materials.
Copper slag produced during the matte smelting and refining of copper ore, during which, the iron present in the copper concentrate combines chemically at 1200°C with silica present in flux materials such as river sand/silica sand/ quartz fines to form iron silicate, which is termed as copper slag.
Use of copper slag as a replacement for fine aggregate in reinforced concrete slender columns A. S. Alnuaimi Department of Civil and Architectural Engineering, Sultan Qaboos University, Oman Abstract The use of copper slag as a replacement for fine aggregate in construction will
copper slag can be used as a partial replacement for sand as fine aggregate in concrete up to 40% in pavement grade concrete with out any loss of cohesiveness and the compressive and flexural strength of such concretes is about 20% higher than that of conventional cement concretes of the same grade
copper slag in concrete. At present about 33 million tonnes of copper slag is generating annually worldwide among that India contributing 6 to million tonnes. 50 % copper slag can be used as replacement of natural sand in to obtain mortar and concrete with required performance, strength and durability. (Khalifa S. AlJabri et al 2011)
partial replacement of fine aggregate with copper slag. Addition of copper slag increases the density of concrete thereby increasing the selfweight, so that it can be used for high density concrete production. Economic Feasibility Geopolymer concrete (GPC) manufactured using industrial waste like fly ash, GGBS and copper slag is
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