Jan 01, 2019 the objective of the present study is to utilize high volume copper slag i.e. 100 as a replacement to fine aggregate and partially replacing cement with nano silica. the work is carried out in two phases. in the first phase, the fine aggregate is replaced with copper slag in different percentages of 20, 40, 60, 80, and 100.
Fine aggregate replacement with copper slag, were higher than the control mix at all ages. it is evident from table 6.1 and fig 6.1 that compressive strength of all mixes continued to increase with the increase in age. from fig. 6.1, it can be seen that there is increase in strength with the increase in copper slag.Available copper slag and utilization of copper slag in concrete by replacing it partially by fine aggregate keeping the other parameters constant. compressive strength of concrete cubes on m20 grade of concrete with constant 0.50 w/c ratio. copper slag replacement of 0, 10, 20, 30, 40, and 50 are used.
Glass fibre reinforced concrete with copper slag as a partial replacement of fine aggregate. the parameters of the study included by replacing the fine aggregate by copper slag with 60 and by varying the volume fraction of glass fibre 0.5, 1 and 1.5. the grade of concrete is m20. the specimens were cured for 7 and 28 days.0 replacement of copper slag 10 replacement of copper slag 20 replacement of copper slag 30 replacement of copper slag cement 14.454 kg 14.454 kg 14.454 kg 14.454 kg fine aggregate 27.8358 kg 25.05222 kg 22.26864 kg 19.48506 kg copper slag - 2.78358 kg 5.56716 kg 8.35074 kg coarse aggregate20mm,12mm rotary kiln.A study on effective replacement of fine aggregate using copper slag m. r. amarnaath s. jaya pradeep ug student ug student department of civil engineering department of civil engineering knowledge institute of technology knowledge institute of technology r. a. kavin p. dinesh.
Abstract this work focuses on the use of copper slag, as a partial replacement of sand for use in cement concrete and building construction. cement mortar mixtures pre-pared with ﬁne aggregate made up of different proportions of copper slag and sand were tested for use as masonry mortars and plastering. three masonry wall panels of.
Partial alternative for fine aggregate where its world annual generation is about 33 million tonnes. the project look through the use of copper slag as partial replacement to m sand and natural sand for the designed m 25 grade mix concrete. compressive strength.
Aug 23, 2017 there are a number of industrial wastes used as fully or partial replacement of coarse aggregate or fine aggregate. some of these industrial wastes like waste foundry sand, steel slag, copper slag, imperial smelting furnace slag isf slag, blast furnace slag, coal bottom ash, ferrochrome slag, palm oil clinker etc are used.View vishnu docs.docx from fm & hm 100 at sv college of engineering and technology. partial replacement of fine aggregate with copper slag 1. introduction 1.1 concrete concrete is the most widely.The effect of copper slag addition as replacement of fine aggregate on the density of normal and high strength concretes is shown in fig. 1. it can be seen from fig. 1 that there is general increase in the density of both normal and high strength concretes with the increase of copper slag replacement rotary kiln.Coarse aggregate is found to be 2.63. 3.1.3 copper slag copper slag is one of the waste material obtained from the industry which is now behaves as a promising future for the construction industry as a fully or partial replacement of fine aggregate or cement. it is the byproduct obtained from refining of copper and matte smelting.
40 replacement of fine aggregate by copper slag and flexural strength increased by 14 for 40 replacement. many researchers have investigated worldwide on the possible use of copper slag as a concrete aggregate al-jabri et al 2009, 2011 investigated the performance of high strength concrete made with copper rotary kiln.
Use of copper slag cs as a replacement for fine aggregate fa in rc slender columns was experimentally investigated in this study. twenty columns measuring 150 mm x150 mm x 2500 mm were tested for monotonic axial compression load until failure. the concrete mixture included ordinary portland cement opc cement, fine aggregate, 10 mm coarse aggregate, and cs.
Feb 01, 2011 an experimental investigation was conducted to study the effect of using copper slag as a fine aggregate on the properties of cement mortars and 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 replacement.Manufactured sand, crushed glass, copper slag, recycled aggregates, fly ash aggregate, steel slag etc. the use of rotary kiln replacement of fine aggregate using induction furnace slag. there are 5 different mixes using induction furnace slag with 20, 30, 40 , 50 and 60 replacements of fine aggregate. rotary kiln.
B. partial replacement of cement with copper slag results 1 slump cone test fig. 7: variation of slump a description of result from fig7, the variation of slump for the partial replacement of fine aggregate with copper slag increased in the order of 53, 62, rotary kiln.
Concrete with partial replacement of fine aggregate by copper slag with various percentages of 0, 10, 15 and 20. the specimens were casted for 7days, 14 days and 28 days then tested. the results are presented above. v. references  al-jabri, k. and makoto hisada. copper slag as sand.The concrete was prepared for the m20 grade concrete with partial replacement of fine aggregate by copper slag with various percentages of 0, 5, 10, 20, 30, 40 and 50. the specimens were casted for 7 days, 14 days and 28 days then tested the optimum value which provided the best performance was at 40 addition of copper slag for split tensile strength test.
Jan 16, 2017 41 replacement of fine aggregate by copper slag and cement by fly ash ammini college of engineering, mankara, palakkad table 4.4 results of sieve analysis particulars coarse aggregate fine aggregate copper slag effective size d10 11 0.37 1.1 uniformity coefficient 1.54 2.54 2.166 coefficient of curvature 1.048 0.807 1.28 fineness 7.173 3.06 4 rotary kiln.The cost analysis indicates that percent of fine aggregate reduction decrease the cost of concrete, but at the same time the strength also increases. the mix prepared with 30 replacement of fine aggregatem-sand by copper slag is most 0 10 20 30 40 50 rotary kiln.
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 7.59n/mm 2 at a combination of 40 copper slag with 10 waste ceramic tiles and also flexure increased by 4.07.
Aug 20, 2014 copper slag can be used as a sand replacement material for plastering of floorings and horizontal surfaces up to 50 by mass of the total fine aggregate, and this can be reduced up to 25 by mass of the fine aggregate for vertical surfaces, such as, brick/block walls. however, copper slag is not suitable for use in ceiling plaster.May 29, 2020 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 slag as fine aggregate in concrete gives more strength compare to 30 addition of copper slag as fine aggregate in concrete. references.Of concrete with partial and fully replacement of copper slag and partial replacement of cement by fly ash and its compare with controlled cubes. fine aggregates are replaced by copper slag for various percentages 20, 40, 60, 80 and 100 and cement with additionally used material of fly.
Portland cement alone as the binder and copper slag as partial replacement for scc40fine aggregate. the replacement levels of copper slag as fine aggregate are in the percentages 0, 10, 20, 30 and 40, 50 respectively. table.1 fig -4: casting of cube specimens 4. results and discussions.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.Copper slag and sand in order to determine the particle size distribution and to compare with the gradation requirements for concrete sand and the results were described in results. 3.4. mix-design to study the effect of copper slag substitution as a replacement for fine aggregates on the strength of.
Copper slag is one of the materials that is considered as a industrial waste which can be used in construction industry. this paper presents the results of an experimental investigation on the properties of concrete using copper slag as partial replacement of fine aggregate.
Mixes with copper slag gave concrete with adequate properties, with the optimal sand replacements by water-cooled copper slag overall being in the region of 30-60. based on the results water-cooled copper slag can be considered to be a suitable candidate for the partial replacement of fine aggregate rotary kiln.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. in this research, the use of copper slag as a replacement for fine aggregate rotary kiln.Were 41.53 n/mm2, 3.86 n/mm2 and 5.42 n/mm2 for 40 replacement of fine aggregate by copper slag as compared to control mixture. the ultrasonic pulse velocity test indicated the excellent quality of concrete at all percentage replacement level. therefore, it is recommended that 40 of copper slag can be use as replacement of fine aggregates.
Jan 27, 2016 srinivas and muranal 2015 study of the properties of concrete containing copper slag as a fine aggregate. the researchers concluded that the workability was increase up to 31.57 for 100 replacement of copper slag as a fine aggregate. the maximum compressive strength of concrete increases up to 8.63 for 20 replacement of fine aggregate.
Glass fibre reinforced concrete beam with copper slag as a partial replacement of fine aggregate. the parameters of the study included by replacing the fine aggregate by copper slag with 50, 60, 70 and by varying the volume fraction of glass fibre from 0 to 0.1 with an increment of 0.025. the grade of concrete is m35.
Replacement of copper slag as a fine aggregate fine fig.5. compressive strength for various replacement percentage of copper slag in concrete. 3.3 rapid chloride ion permeability test results rcpt for normal concrete, the average charge passed was found to be 950.5 coulombs and for copper rotary kiln.
Use of copper slag in the concrete industry as a replacement for cement and/or fine aggregates can has the benefits of reducing the costs of disposal and helps protecting the environment. 3 copper slag: copper slag is a by-product material produced from the process of manufacturing copper.
This study aims to realize the resource regeneration application of copper tailing as fine aggregates for partial replacement of natural fine aggregates, which avoid environmental pollution due to many landfills of copper tailings. the compressive strength and durability dry shrinkage and sulfate attack tests were carried out to evaluate the effect of copper tailings replacement on the rotary kiln.
The concrete was prepared for the m25 grade concrete with partial replacement of fine aggregate by copper slag with various percentages of 0, 10, 15 and 20. the specimens were casted for 7days, 14 days and 28 days then tested. the results are presented above.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. in this research, the use of copper slag as a replacement for fine aggregate is investigated. three.
Replacement of copper slag powder with fine aggregate and mussel shell powder with cement on pavement blocks c manivel aravind p v mohammed adil bin baseer muhammed safad t krishnalal c s associate professor. jct college of engineering and technology ,anna unversity pichanur,coimbatore ,tamilnadu 641105,india krishnalalcs1010gmail.com.The objective of this project is to study the copper slag as replacement of fine aggregate for 0, 20, 40. compressive strength test was conducted on the cubical specimens for all the mixes after 7, 14 and 28 days of curing as per is 516 . three cubical specimens of size 150 mm x.
May 29, 2020 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 slag as fine aggregate in concrete gives more strength compare to 30 addition of copper slag as fine aggregate in concrete. references.
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