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Main objective of this experimentation is to study the effect of alternate wetting and drying on concrete produced by replacing natural coarse aggregates by recycled aggregates and on recycled aggregate concrete with different supplementary cementitious materials. The grade of concrete adopted is M20, as it is the widely used structural concrete.
Mar 01, 2017· Read "Mechanical properties of concrete with Sarcheshmeh mineral complex copper slag as a part of cementitious materials, Construction and Building Materials" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at .
(CBA), steel slag, copper slag and FNS are the most frequently studied materials because they are produced in considerable quantities. Aggregate plays a vital role on all concrete properties such as workability, strength and durability. The use of coal bottom ash as fine aggregate was found to reduce compressive and tensile strengths of con
The effects of copper tailings as an additive, on some durability properties of cement mixtures were investigated. In each mixture, copper tailings addition levels by mass were 0%, 5% and 10%. Compared to the control samples, copper tailings blended pastes showed superior performance against ...
Application of Natural Zeolite in Concrete as Supplementary Cementitious Materials, in cooperation with Construction Materials Institute–University of Tehran (2010–2011) Use of Copper Slag Waste as Supplementary Cementing Materials (2009–2011) Electrochemical Impedance Behavior of Silica Fume Contained Concretes (2009–2011)
Copper slag waste as a supplementary cementing material to concrete Authors: Moura, Washington Almeida ; Gonçalves, Jardel Pereira ; Lima, Mônica Batista Leite
The results pointed out that there is a potential for the use of copper slag as a supplementary cementing material to concrete production. The concrete batches with copper slag addition presented greater mechanical and durability performance.
5. To effectively utilize the waste material from the Foundries. 6. To reduce the problem of disposal of Foundry Waste. 7. To prove that the Foundry waste from Foundries can be a replacement for fine aggregate. 8. To study the physical properties of Foundries waste and are the ingredients in concrete. 9.
Concrete . Admixtures A material other than water, aggregate, cement, used as an ingredient of concrete or mortar Effect of fly ash on the structural properties of hardened concrete. Get Price. additives and their effects on concrete pavements abstract.
Recycling copper slag as coarse aggregate: Hardened properties of concrete ... Copper slag is the waste material of matte smelting and refining of copper such that each ton of copper generates ...
Copper slag as sand replacement for high performance concrete. ... Copper slag is one of the materials that is considered as a waste material which could have a promising future in construction industry as partial or full substitute of either cement or aggregates. ..., and million tons of copper slag is reported in , Brazil, Japan ...
process of making construction sand from copper slag. . process of making construction sand from . sup> employed copper slag as an additive in concrete, . Get Price And Support Online; Use of waste copper slag, a sustainable material . Use of waste copper slag, a sustainable . The use of copper slag in cement and concrete .
In this study rice husk ash (RHA) and broiler bed ash from rice husk (BBA), two agricultural waste materials, have been assessed for use as partial cement replacement materials for application in lightweight concrete. Physical and chemical characteristics of RHA and BBA were first analyzed. Three ...
In Belgium, secondary copper slag is produced by a recycling plant. Since this material needs a large area for landfilling, of which the availability is insufficient, and to avoid problems related to the leaching of heavy metals and other harmful elements, it would be interesting to upgrade these ''waste'' products in highvalue applications.
Development and Performance Evaluation of Coir Pith Ash as Supplementary Cementitious Material in Concrete. India is the third largest producer of coconuts in the world after Indonesia and Brazil. The production of coconuts generates enormous volumes of byproducts, which are dumped in landfills, causing issues like soil and air contamination ...
Use waste materials from other concrete (ash, copper, slag from furnaces) 2. Use Local power plants and materials 3. Minimize the use of materials for formwork and reinforcing 4. Better quality to reduce waste. Define Supplementary Cementitious Materials.
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concrete containing copper slag as replacement of fine aggregate, showed significantly increased workability with increase in replacement level. This increase is attributed to the low water absorption of copper slag and its glassy surface (Ayano, 2009). Santharamai and Manoharan (2005) reported that concrete made using fresh ceramic waste as coarse
high strength performance, copper slag waste material can be used as supplementary cementitious materials (SCMs). The availability of pozzolanic components in copper slag is an interesting phenomenon to study within UHPM. Within the cement and concrete industry, copper slag can be used as cementitious material.
Sep 30, 2019· Cementitious materials indicate one of the principal ingredients that make up the concrete mixture. There are two types of cementitious materials: hydraulic cement and supplementary cementitious materials (SCMs). Hydraulic cements set and harden by reacting chemically with water. During the reaction, which is called hydration, heat is given off as the watercement paste hardens .
Durability of copper slag contained concrete exposed to sulfate attack ... Copper slag is the waste material of matte smelting and refining ... Past researches of using copper slag in cement and concrete. Properties As supplementary cementitious materials As aggregate replacement
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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This paper addressed the application of copper slag waste as supplementary cementitious materials to be used as a key element regarding the sustainable development. In this study, the sulfate resistance of concrete made with 5%, 10% and 15% of copper slag were studied in comparison with concretes without copper slag replacement.
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