Home -- Copper Slag Replaced By Fine Aggregate Wikipedia
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In this project work cement is partially replaced with rice husk ash as 15% fixed by weight of cement & fine aggregate is partially replaced with copper slag as percentage ranging 0% 10% 20% 30 .
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Therefore it is recommended that up to 4050% (by weight of sand) of copper slag can be used as a replacement for fine aggregates in order to obtain a concrete with good strength and durability .
Products as fine aggregate reuse of by-products as a partial or full replacement of fine aggre-gate in construction activities not only reduces the demand for extraction of natural raw materials but also saves landfill space there are many studies reused granulate blast-furnace slag (gbfs) and copper slag (cs) as a part of fine aggregate.
copper slag is a very good alternative material for fine aggregate it can be replaced upto 40% with fine aggregate so that it gives highest strength at 28 days compare to normal concrete with m20 mix by replacing fine aggregate with 40% of copper slag gives the strength 3755% .
Onproperties of concrete partially replaced with copper slag as fine aggregate and ceramic fine aggregate for m25 grade concretetile waste as coarse aggregate & concluded that experimental mixes of concrete m40with copper slag replacing fine aggregate in 0% 20% 40% and 60% was casted and tested it was found that.
With m-sand natural sand and copper slag concrete natural fine aggregate is completely replaced by m-sand and partially by copper slag compressive strength is evaluated and compared up to 28 days of ages specific properties of concrete materials and copper slag are also studied the entire tests were performed as per specifications.
Copper slag used as a fine aggregate in concrete use of copper slag as a replacement for fine in this experiment a step is taken to reduce the use of fine aggregate in the concrete with copper slag the fine aggregate is partially replaced with copper slag for 10% 20% 30% 40% and 50% concrete with copper slag fine aggregate request pdf.
Of copper slag cement in kg fine aggregate in kg copper slag in kg coarse aggregate then copper slag is replaced by 0% 10% 20% 30% and 40% by the mass of fine aggregate to study the above tests b acid attack test the results and observations of acid resistance of the.
Obtained when fine aggregate is replaced with copper at 40% the least compressive strength of 8849mpa is obtained when fine aggregate is replaced with 100% copper slag now keeping this 100% copper slag mix as constant nano silica is replaced with cement in .
Jan 01 2019&0183;&32;from the fig 8 fig 9 it is observed that due to 100% replacement of fine aggregate with copper slag excess of water gets stagnant in concrete and leaves more amounts of voids and capillary channels the formation of this voids and capillary channels effects interlocking bonding between cement and aggregates which results in the loss of strength whereas due to this the .
As rebound hammer test and ultrasonic pulse velocity measurement were studied for various replacements of fine aggregate using copper slag that are 0% 20% 40% 60% 80% and 100% the maximum compressive strength of concrete attained at 40% replacement of fine aggregate at 7 .
Effects of copper slag as a replacement for fine aggregate on the behavior and ultimate strength of reinforced concrete slender columns used table 2 shows the mix design quantities the mix constituents were weighed in separate buckets and mixed in a rotating drum in accordance with the american society for testing and materials (astm.
Study encouraged the use of industrial by-product 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 050 the fine aggregate is replaced with copper slag .
The fine aggregate was replaced with copper slag as proportions of 0% 10% 20% 30% 40% and 50% and cement was replaced with fly ash as proportions of 0% 5% 10% 15% 20% to 25% in opc 53 grade cement the obtained result was.
Variations in strength copper slag is a waste material obtained during matte smelting and refining of copper each ton of copper generates approximately 25 tons of copper slag in this study copper slag from 0% to 100% is replaced to fine aggregate to investigate the properties of strength in copper slag.
Compressive strength test on concrete containing copper slag partially replaced by fine aggregate the obtained results were compared with those of conventional cement concrete made with ordinary portland cement key words: copper slag fine aggregate m20 grade compressive strength environmental waste 1 introduction 11 general.
Fine aggregates are replaced by copper slag for various percentages 20% 40% 60% 80% and 100% and cement with additionally used material of fly the fine aggregate was passing through 475 mm sieve and had a specific gravity of 268 the grading zone of fine.
When more copper slag is added as a fine aggregate in concrete splitting tensile strength is decreased splitting tensile strength of concrete containing industrial wastes and fibres moreover depleting sources of sand in pakistan triggered the dire need of replacement of fine aggregate of the concrete.
The natural river sand is replaced with copper slag upto 100% (by volume) as fine aggregate in these aasc mixes the behavior of plain concrete prisms cast with this range of aasc mixes under dynamic cyclic loads with sandcs fine aggregates is studied and is compared with conventional opc-based concrete specimens.
Copper slag (cs) the metallurgic slag of the copper industry has demonstrated very promising potential as an aggregate for application in the concrete industry the present study evaluated the hydraulic conductivity various strengths impact and abrasion resistance of the pervious concrete (pc) when a natural fine aggregate of dolomite was replaced by the cs at levels of 0% 20% 40% 60% .
Aggregate is replaced by copper slag and cement is replaced by fly ash from 45%to 60%replacement of fine 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 to50%is an optimum value for a normal concrete m v patil ydpatil in this research .
Show full abstract present experimental investigation for m30 grade of concrete fine aggregate (river sand) was partially replaced with copper slag from 0% to 50% and compressive strength at .
Sep 30 2020&0183;&32;copper slag (cs) is an industrial waste which is generally disposed of in landfills posing threats to the environment alternatively it can be used as natural aggregate replacement in concretemortar however it results in a significant increase in .
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 .
And copper slag as replacement for cement and fine aggregate simultaneously were studied the metakaolin replacement at 510 15 20 and 25 % and ggbs replacement at 510 1520 and 25 % by the weight of cement were used respectively copper slag as partial replacement for sand at 25 50 and 75% was used the dosage of super plasticizer used in .
This paper reports on an experimental program to investigate the effect of using copper slag as a replacement of fine aggregate on the strength properties copper slag is the waste material of matte smelting and rening of copper such that each ton of copper generates approximately 25 tons of copper slag.
Encouraged the use of industrial by-product 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 050 the fine aggregate is replaced with copper slag in proportions of 0% 20% 30% 40% 50% 60% 80% and 100%.
Jan 27 2016&0183;&32;maximum compressive tensile and flexural strength is obtained when copper slag is replaced with fine aggregate up to 40% with such important properties of copper slag further research is advised to analyze the scope of replacement extensively references 1 ayano toshiki kuramoto osamu and sakata kenji 2000.
Fine aggregate was replaced by 20% copper slag compressive strength of concrete increased by 29% at 28 days when replacement of copper slag was done up to 80% the strength increases but if this replacement of copper slag was done up to 80% the strength increases beyond 80% the strength directly gets decreased.
Studies on alkali activated slag mortar with copper slag as fine aggregate 528 international journal of earth sciences and engineering issn 0974-5904 vol 08 no 02 april 2015 pp 527-531 the use of cs as aggregates is associated with certain advantages features such as high abrasion resistance.
Aug 20 2014&183; 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 prepared with fine aggregate made up of different proportions of copper slag and sand were .
Nov 08 2016&0183;&32;fig 1 copper slag ivexperimental work: 41copper slag characterizations: initial basic properties of copper slag are similar to that of fine aggregate properties both in physical and chemical properties scanning electron micrograph (sem): surface morphology of fly ash was studied using quanta 200 esem present at iisc bangalore sem .
Replacing copper slag as fine aggregate with proportions (by weight) of copper slag added to concrete mixtures were as follows: 0% (for the control mix) 20% 30% and 40% concrete samples were prepared and cured in the laboratory and are tested to .
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