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It is recommended that 40 wt% of copper slag can be used as replacement of sand in order to obtain HPC with good properties. 6. 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.
SLAG is a broad term covering all non metallic co products resulting from the separation of a metal from its ore, Its chemistry and morphology depends on the metal being produced and the solidification process used. Slags can be broadly categorized as ferrous (iron/steel) and non-ferrous (copper, lead/zinc) depending on the industry from which ...
Contractors may also use copper slag in place of sand during concrete construction. Copper slag can also be used as a building material, formed into blocks. Copper slag is widely used in the sand blasting industry and it has been used in the manufacture of abrasive tools.
For the Type A mixes, the split tensile strength of concrete improved with the rise in the quantity of copper slag present in the mix till 60% substitution of natural sand by copper slag. At 70% substitution, the copper slag concrete gained split tensile strength similar to that of control concrete.
for further processing. Copper slag used in this work was bought from Sterlite industries (India) ltd, Tuticorin, Tamil Nadu, India. Sieve analysis test was conducted on 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
copper slag sand can be used for concret . 12_chappter 7pdf Shodhganga. replacement of sand, cement and combination of both in concrete and RCC elements copper slag was used as backfill material in retaining walls and the displacement copper slag can leave excess water in concrete, which can.
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 concrete with good strength and durability ...
Back in India, a study carried out by the Central Road Research Institute (CRRI) has also shown that copper slag can be used as a partial replacement for sand as fine aggregate in concrete up to 40 per cent in pavement grade concrete without any loss of cohesiveness and the compressive and flexural strength of such concretes is about 20 per ...
Copper Slag is used to increase the strength of concrete and reduces the environmental pollution, space problem and also reduces the cost of concrete. Copper slag has also gained popularity in the building industry for use as a fill material. Contractors may also use copper slag in place of sand during concrete construction. Copper slag can also be
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]
compared with control concrete. Hence Copper slag can be utilized as sand replacement material without affecting the durability properties of concrete. Copper slag can be used as a potential alternative to coarse aggregate/fine aggregate used in concrete and mortars R R Chavan & D B Kulkarni(2013) has
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 as fine aggregates replacement.
It is chemically stable and its physical properties are similar to that of natural sand. The physical and chemical properties of copper slag were investigated. Copper slag, in amounts of 20, 40, 60, 80, and 100 percent, was substituted for fine aggregate in cement mortar and concrete.
Can sand blasting abrasive be reused such as copper slag? Yes it can, you can buy a sort of funnel with about 1 sq. ft. of fine screen in it to filter the junk out of the blasting media.
study the potential use of copper slag as fine aggregate on the strength of both normal and high strength concrete. Concrete mixtures were prepared using different proportions of copper slag as partial and full replacement of fine aggregate. The percentage of copper slag added by weight ranged between 10- of sand used in concrete.
The waste copper slag can be used as abrasive tools, road construction, and ballast. Despite increasing rate of reusing copper slag, the huge amount of its annual production is disposed in dumps or stockpiles to date. One of the greatest potential applications for reusing copper slag is in cement and concrete .
Sep 13, 2014· in the video one can see use of crushed sand in making concrete mix for construction purpose. this saves lot of river sand. strength is extremely good compare to concrete using river sand.
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. Such use was common in areas where smelting was done, including St Helens and Cornwall in England. In Sweden (Skellefteå region) fumed and settled granulated copper slag from the Boliden copper ...
Aug 12, 2019· When sand is replaced with copper slag beyond 40% the strength of concrete was reduced and least compressive strength of 87.18 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.
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 ...
of the concrete. The use of copper slag in the concrete industry as a replacement for cement can have the benefit of reducing the costs of disposal and help in protecting the environment. Despite the fact that several studies have been reported on the effect of copper slag replacement on the properties of
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 concrete with good strength and durability ...
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...
In-depth analysis of 2192 test data sourced from the literature showed that, given all the basic material characteristics, CS/WCS can be used as the sand component for making all strength grades of concrete and giving similar (or in some aspects better) performance to the corresponding concrete made with natural sand.
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