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The use of slag in concrete has several benefits including reduced energy reduced greenhouse gas emissions and reduced use of raw materials Various types of slag are produced Blast furnace slag—The nonmetallic product consisting essentially of silicates and aluminosilicates of calcium and of other bases that is developed in a molten condition simultaneously with iron in a blast furnace
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grade of concrete 1 4 8 Cement Sand Aggregate => { mpa} percent by weight of cementitious material may be used in concrete as partial replacement of ordinary Portland cement and in such Lean mix concrete is used to provide plain surface steel and maintaining slope whereas PCC is provided to act as a surface to
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The flexural strength goes on increasing for 10% 20% 30% and 40% but goes on decreasing for 50% compare to 40% of steel slag replaced concrete The result shows that 40% replacement of steel slag with 20%of walnut shell gives better flexural strength for water curing to the 7 and 28 days Also 50% replacement gives better compressive strength
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The concrete mix is shown in Table 2 with a water/binder W/B of and binder sand gravel of 1 The hydration heat test was carried out according to the concrete mix without the sand and gravel and mercury intrusion porosimetry without the gravel
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with substantial replacement of natural aggregates and natural sand used in concrete In this study coarse aggregate were partially replaced with steel slag aggregate with different replacement percentage in concrete 0% 10% 20% and 30% In which we found compressive strength of concrete with various percentage of steel slag aggregate
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Apr 30 2021Concrete blocks are made and their compressive strengths for different steel slag proportions while maintaining the optimum percentage of fly ash as 20% It is observed that on replacing 10% of river sand with steel slag a 7% rise in compressive strength is achieved when compared to the mix without steel slag
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including fly ash quartz smoke and granular slag in furnaces steel slag and copper slag etc it is used to replace sand as iron slag is produced in large quantities it is blown up in nearby areas endangering living things A good opening is to use iron slag to make concrete GSJ Volume 9 Issue 1 January 2024
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back in south africa 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 cent …
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kothai and malathy [14] partially replace fine sand sg= with fine steel slag sg= in normal concrete and found increment of compressive strength at 5% to 10% when
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The advantage of natural sand is that the particles are cubical or rounded with smooth surface texture The grading of natural sand is always not ideal It depends upon place to place Being cubical rounded and smooth textured it gives good workability One of the important ingredients of conventional concrete is natural sand or river sand
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The results show that 5% of welding and 10% furnace slags replacement with sand is very effective for practical purpose Keywords Slag Sand replacement Waste management Low cost building materials
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Performance of Steel Slag as a Partial Replacement Fine · 41 Slump Test From Fig 1 it has been shown that normal concrete mix with VC2192 also known as Sika Visco Crete superplasticizer is giving a slump value of 130 mmWhen fine aggregate is replaced by 5% of steel slag the value of slump drops to 90 mm but the slump value starts to increase if replaced by 10% of steel slag and it reached
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Abstract This research exploits ground granulated blast furnace slag GGBFS as a replacement of sand on the physico mechanical properties of concrete Using these natural materials helps in the natural exchequer such as aggregate and cement In addition to it also helps in reducing the cost of manufacturing concrete
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In this research industrial waste slag from a local Steel Mill namely Mangla Metals was selected as possible replacement of cement Some preliminary standard tests conducted on the
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Nov 9 2022Utilization of Different Supplementary Cementitious Materials and Recycled Concrete Aggregate for Stabilization of Pavement Base Layer November 2024 DOI /978 981 19 4731 5 12
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SFRC and conventional concrete by replacement of sand with copper slag for different grades M 30 M40 Tests are conducted with 1% addition of hooked end steel fibershaving aspect ratio 60 and replacement of Investigating the developments in mechanical properties of concrete due to addition of hooked end steel fibers and replacement
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The data indicate that steel slag has a promising potential to be used as a partial replacement for conventional aggregates in concrete The emphasis of the work in the initial phase of this study was on the feasibility of utilizing steel slag aggregates in concrete as a total or partial replacement of gabbro aggregate used in construction in the
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Nov 25 2024[Show full abstract] replacement for cement and 20 40 60 80 and 100% PKS as replacement for crushed granite by volume with the mix ratios of 1 1½ 3 1 2 4 and 1 3 6 were produced The water to
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The compressive strength of the cube increases up to 40% of sand replacement by copper slag and then starts decreasing 2 The compressive strength of the cube with 40% copper slag is % more than the compressive strength of conventional concrete cube when checked for 28 day strength 3
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In the next stage of research work concrete mixtures were made in which crushed aggregate from crushed fluorescent lamps was used as a substitute for gravel aggregate Mixtures containing 10% 30% 50% and 100% aggregate were made A mixture containing only sand and gravel aggregate was made as a comparative mixture
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JSW steel has become the first steel plant in the country to market and sell processed granulated slag or Slag Sand as replacement of river sand Air Cooled Steel Slag Coarse and Fine Aggregate Air cooled steel making slag from BOF Basic oxygen furnace or EAF electric arc furnace the two widely used processes of steel making constitutes 75 80% of the total slag generated in the steel
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Molten slag diverted from the iron blast furnace is rapidly chilled producing glassy granules that yield desired reactive cementitious characteristics when ground into cement fineness Once the slag has been cooled and ground to a usable fineness it is stored and shipped to suppliers throughout the united states
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the high strength when combined with reinforcement and the 4 ability to cast into shapes as well as harden at ambient temperature enable concrete to be a 5 prominent choice in constructing structural elements of apartments and high rise buildings 6 in addition high temperature and excellent water resistance are also cited as the advantages …
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concrete development The present research work deals with a view to develop efficient concrete by addition of steel slag to evaluate the effectiveness of the use of steel slag as a partial replacement in sand To replace Sand with various percentages 10 20 30 40% of steel slag waste in M25 M30 M35 concrete Investigation have
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Concrete In concrete processed steel and blast furnace slag provide a sustainable alternative to primary aggregates in the production of lightweight or dense ready mixed concrete Blast furnace slag can also be used to make Ground Granulated Blast furnace Slag GGBS which is used as a cement replacement in concrete Slag aggregates in asphalt
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3 days agoOne commonly used example is blast furnace slag from steel mills which is rich in calcium and hardens like standard cement when it s mixed with water aggregate sand or gravel air → concrete The cement water and aggregate are blended into a thick slurry or delivered that way in a cement mixer truck poured into a mold and
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These two replacement materials were used to replace the natural aggregate in M40 grade concrete by proportions of 0% 15% 25% 35% and 45% by weight and the performance of the resulting mixes was compared against that of the original M40 grade concrete
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Behnood and Ziari [] varied the water to cement w/c ratio in high strength concrete containing silica fume as SCM in proportions of 0% 6% and 12% by subjected the concrete to high temperatures of 20 °C 100 °C 200 °C 300 °C and 600 °C for 3 h Their findings demonstrated that the compressive strengths rose for mixtures with 6% and 10% silica fume by % and % at
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The optimum compressive strength of concretes after 28 days has been found to be 41 N/mm 2 for 5% welding slag and N/mm 2 for 10% furnace slag replacements The results show that 5% of welding and 10% furnace slags replacement with sand is very effective for practical purpose Background
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[11] Maharishi A Singh S P and Kumar L 2024 Materials Today Proceedings Strength and durability studies on slag cement concrete made with copper slag as fine aggregates Mater Today Proc Crossref Google Scholar [12] Manohar C 2024 Concrete Strength Evaluation by using Copper Slag instead of Aggregates for M30 Grade of Concrete 5
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