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8) 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. reference 1 k. s. al jabri, copper slag as fine aggregate for high performance concrete, 10.2495hpsm060371.
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Aggregate by copper slag, cement by fly ash up to 50 shows good result in strength characteristics of concrete , hence replacement of copper slag up to50is an optimum value for a normal concrete m. v. patil, y in this research work the copper slag replace as fine aggregate in the dosage of 0 to 100.
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As a partial replace ment of fine aggregate for the construction of sub base, base and bituminous layers. the specific gravity of copper slag, zinc slag and steel slag varied in the range of 2.75 – 3.65 kajal et al (2007) study present the use of waste plastic and copper slag in hot bituminous mix to enhance pave.
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It was noticed that the use of copper slag as fine aggregate could greatly increase the abrasion resistance of the cement mortar (tang et al., 2000). hwang and laiw (1989) evaluated the compressive strength development of mortars and concrete containing fine copper slag aggregate with different water to cement ratios (fig. 4, fig. 5).
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Copper slag aggregates gradation: copper slags can be crushed and screened to satisfy the aashto m147 (9) gradation requirements for granular aggregates. specific gravity: with specific gravities ranging from 2.8 to 3.8, copper slag aggregates are decidedly heavier than conventional granular material. (1).
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Copper slag by replacing natural fine aggregate at different percentage like (0, 20, 40, 60, 80, and 100). b. objective of the investigation 1) the use of copper slag in the concrete as a replacement for fine aggregate, reduces the costs of disposal, lowers the cost of the concrete and also helps in protecting the environment. 2) in this.
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Copper slag concrete w.r.t conventional concrete v. conclusion by our project, we conclude that strength of concrete increased by the replacement of msand by copper slag, saves concrete material cost. here we are using opc of 53 grade, well graded coarse and fine aggregate. 30 copper slag replacement showed maximum workability.
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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.
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Encouraged the use of industrial byproduct or waste copper slag as replacement material of fine aggregates in concrete. mix proportion has to be done for m25 grade of concrete with water cement ratio 0.50. the fine aggregate is replaced with copper slag in proportions of 0, 20, 30, 40, 50, 60, 80, and 100.
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Finally, ma et al. 33 studied the behavior of cement mortars with a gradual replacement of cement (up to 15) by copper slag (cs), showing a strength increase up to 600 c. regarding the use of slag aggregates, ameri et al. 28 studied the behavior of cement mortars at elevated temperatures with a gradual replacement of natural aggregates by cs.
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Five series of concrete mixtures were prepared with different proportions of copper slag ranging from 0, 25, 50, 75 and 100 to fine aggregate. copper slag.
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If steel slag is incorporated in concrete specimens (mix a 0 of slag, mix b 40 of slag as coarse aggregate, mix c 40 of slag as coarse aggregate and.
+In lieu of its physical and mechanical properties, slag is reusable in the applications viz: cement clinker production, blended cement, concrete, fine aggregate, replacement for cement, replacement for both sand and cement, corrosion resistant and reduce seismic force and earth pressure a comprehensive review of studies on the reuse of copper.
It was noticed that the use of copper slag as fine aggregate could greatly increase the abrasion resistance of the cement mortar tan, 2000. li 1999 and zong 2003 also reported that concrete containing copper slag as fine aggregate exhibited similar meijser.
J.swathi et al. (2015) partially replaced fine aggregate with copper slag as 20, 40 and 60 and coarse aggregate with waste ceramic tiles as 10, 20 and 30.m40 grade of concrete was used. compressive strength increased by 7.59nmm 2 at a combination of 40 copper slag with 10 waste ceramic tiles and also flexure increased by 4.07.
Experimental study on residual properties of thermally damaged steel fiberreinforced concrete containing copper slag as fine aggregate dregs and grits from kraft pulp mills incorporated to portland cement clinker pages: 851 861; combined use of silica fume and steel fibre to improve fracture properties of recycled aggregate concrete.
The present work focuses on assessing the viability of applying blasted copper slag, produced during abrasive blasting, as fine aggregate for portland cement concrete manufacturing, resulting in an alternative and safe disposal method. leaching assays showed no toxicity for this material. concrete mixtures were produced, with high aggregate.
Pavan kumar m, mahesh y. the behaviour of concrete by partial replacement of fine aggregate with copper slag and cement with ggbs an experimental study. int res j eng technol. 2017; 12: 5156. shi cj, meyer c, behnood a. utilization of copper slag in cement and concrete. resour conserv recycl. 2008; 52: 11151120.
Bleeding and segregation is noticed in concrete containing more than 40 copper slag as fine aggregate replacement . the above effect is due to glass like smooth surface of copper slag and the low moisture absorption , . the abrasion resistance of cement mortar containing copper slag as fine aggregate is increased . for every tonne of copper.
The paper, authored by m.a.g. dos anjos, a.t.c. sales and n. andrade, all of the department of civil engineering at federal university of sergipe, in brazil, presents experimental data that the authors say show blasted copper slag as a technically viable and safe material to use as fine aggregate in concretes made with portland cement.
Abstractabrasion resistance is one of the most important durability properties of concrete. especially, highway, airport and industrial floor pavements should be resistant to abrasion. recently, many research studies have been carried out on the utilization of industrial byproducts in concrete. granulated blastfurnace slag (gbfs) and bottom ash (ba) are two.
Many researchers have investigated the use of copper slag in the production of cement, mortar, and concrete as mixed with lime stone powder, dust, cement replacement, use as partial replacement of coarse, and fine aggregates. the use of copper slag in cement and concrete provides potential environmental as well as economic benefits for all.
The utilization of copper slag in concrete provides additional environmental as well as technical benefits for all related industries. replacement of copper slag in fine aggregates reduces the cost of making concrete. replacement of copper slag increases the self weight of concrete specimens to the maximum of 15 to 25. 25 addition of copper.
Several researchers have investigated the possible use of copper slag as cement, fine and coarse aggregates in concrete and its effects on the different mechanical and long term properties of mortar and concrete. (khanzadi and behnood 2009., najimi and pourkhorshidi 2011).
Paver blocks and bricks manufacturing process – replacement of fine aggregate up to 25 (as per crri new delhi study conducted on copper slag). concrete applications – ferro sand can replace river sand in fine aggregate up to 50 (as per iit , kanpur study report titled durability of cement concrete using copper slag).
Reference 1 k. s. al jabri, copper slag as fine aggregate for high performance concrete, 10.2495hpsm060371 2 khalifa s. aljabri, effect of copper slag as a fine aggregate on the properties of cement mortars and concrete, 022011; 25(2):933938. 3 c. k.
Test mixtures were prepared and compacted as required by astm c192. the required amounts of coarse aggregate, fine aggregate, cement, water, waste materials were weighed in separate buckets. the materials were mixed in accordance with astm c192. the slump of the fresh concrete was determined to ensure that it would be within the value.
Series of concrete mixtures are prepared with a constant 40 copper slag substituting fine aggregate and gbbs replaces cement at 0, to 50 with5 increment. the results suggest that copper slag and ggbs can replace fine aggregate and cement in reinforced cement concrete, without compromising on the quality, thereby contributing to the effort.
The authors of further highlighted the use of cs as a fractional auxiliary replacement of fine aggregates to evade the discharge of carbon dioxide from cement in concrete. as previously highlighted, slag can be cooled slowly or quickly, which determines its granulation output and, thus, its suitability as a sustainable building material, e.g.
The dry materials comprising cement, sand (or copper slag) and coarse aggregate were well mixed before the water was gradually included. two different sets of mixes were made with watercement (wc) ratio of 0.55 and 0.45 respectively. for consistent comparisons when assessing the effect of the copper slag on the different concrete.
The following year, m.a.g. dos anjos, a.t.c. sales and n. andrade, all of the department of civil engineering at federal university of sergipe, in brazil presented a paper consisting of experimental data that the authors say show blasted copper slag as a technically viable and safe material to use as fine aggregate in concretes made with.
The scarcity of fine aggregate for the production of mortar and concrete, as partial replacement of sand by copper slag have been identified. several researchers have investigated the use of copper slag in the production of cement, mortar and concrete as raw materials for clinker, cement replacement, coarse and fine aggregates.
The use as fine aggregate in concrete. uses of copper slag: 1. copper slag has also gained popularity in the building industry for use as a fill material. an ideal fine filler material for concrete after it is 2. contractors may also use copper slag in place of sand during concrete construction. 3.
This paper monitors the variation increase of compressive on partially replacement of copper slag with fine aggregate, the study observed the fluctuation of growth rate of the compressive strength; these were examined to generates the behaviour of the material intermesh of its reaction on strength development, the variation is from the level of compaction, placement and.
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.
Use of copper slag as a replacement for fine aggregate is investigated. three slender reinforced concrete columns of 150x150x2500mm were tested for monotonic axial compression load until failure. the concrete mix included ordinary portland cement, fine aggregate, 10mm coarse aggregate and copper slag. the ratios of copper slag to fine aggregate.
Use of copper slag in cement mortar . 2005), leaving this waste deposited indefinitely as a hard floor, without current industrial utility. however, global experiments for the use of copper slag have been going on in various sectors of production and the results have been published with very good prospects. wu, w., zhang, w., ma, g.
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.
Utilization of copper slag as fine aggregates in cement concrete pavements thongam prantic singh1,ra.m.r2, suhas r3 1m. t ech stu dn,h igw ay oldceb ri 2p rof es ,dp atm nc iv le gs b id 3 assistant professor, department of construction technology amp; management, dsce, bangalore, india.
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