— In the two last decades, world production of pig iron and steel has undergone a significant increase. In 2018, 1252.87 and 1806.46 million tons of pig iron and steel, respectively, were produced ...
properties of concrete containing the steel slag as a partial replacement for sand were investigated in this study. At different percentages i.e. 0%, 20%, 25%, 30% & 35% the partial replacement of sand is done for the M-30 grade of concrete. The specimens were tested for workability, compressive strength, split tensile strength
— A mix of copper slag and ferrous slag can yield higher compressive strength of 46.18MPa (100 per cent replacement of sand) while corresponding strength for normal concrete was just 30.23MPa.
— This chapter presents a study aimed at investigating the utilization of steel slag as a partial replacement of natural river sand as a fine aggregate in concrete production.
— The primary aim of this research was to evaluate the strength of concrete made with steel slag as replacement for fine aggregates. ... Partial replacement of sand with steel slag will be made for ...
However, when the Steel Slag replacement exceeded 15%, compressive strength decreased. Thus, it is concluded that replacing 15% of cement with Steel Slag is optimal for concrete performance. 3. Split Tensile Strength: Similar to compressive strength, the split tensile strength increased with a 5% replacement of cement with Steel Slag and
— Steel slag is a solid waste produced in crude steel smelting, and a typical management option is stockpiling in slag disposal yards. Over the years, the massive production of steel slags and the continuous use of residue yards have led to vast occupation of land resources and caused severe environmental concerns. Steel slag …
— The weight loss in SS concrete after exposure to acid is 60% less as compared to conventional concrete, concluded that steel slag concrete is more resistant to acid attack. Qasrawi [7] suggested that self-compacting concrete can also be prepared with the help of coarse SS aggregate in concrete. Coarse SS up to 50% substitution level …
— Kothai and Malathy [14] partially replace fine sand (SG=2.65) with fine steel slag (SG=2.95) in normal concrete and found increment of compressive strength at 5% to 10% when replacement level is ...
slag have been widely used in cement and as aggregate for civil works. The report presents an investigation of mechanical and durability properties of concrete by adding iron slag as replacement of sand in various percentages. The X-ray diffraction analysis carried out in this paper gives a deeper insight in the mineralogical constitution and
— Slag, as shown in Fig. 1, is the 16th ingredient of high-performance concrete production [22], called supplementary cementitious materials (SCM) [23], that can enhance the strength and durability of concrete [2].The highly fine slag powder, with a surface area of 400–600 m 2 /kg and a bulk density of 1200 kg/m 3, can be mixed with free lime to …
— The addition of steel slag aggregate showed an increment in concrete compressive strength compared to the control concrete, increasing with the percentage of steel slag aggregate up to . The observed increment of compressive strength at 7 day test when 25, 50, 75, and of the coarse aggregate was replaced by steel slag …
— Manufactured sand is a replacement for river sand in buildings. It is produced by crushing granite stones that are known for their hardness. The size of manufactured sand (M-SAND) is smaller than 4.75 mm. ... Qasrawi H, Shalabi F, Asi I (2009) Use of low CaO unprocessed steel slag in concrete as fine aggregate. Constr Build Mater …
3.2 Optimization of Steel Slag: Based on the mix design, the mix proportions for M40 grade concrete, using steel slag as coarse aggregate replacement material are shown in Table 5 Table 5: Mix proportions for Slag replacement S.No Replacement of Steel Slag in % Mix Proportion 1 0 0.45:1:1.22:2.4 2 20 0.45:1:1.22:2.39
— Steel slags have a chemical composition close to that of the Portland cement clinker, mainly constituted by calcium-silicates and calcium-ferrites, which makes this industrial waste potentially usable as a raw material for cement and concrete production [91].The presence of steel slag in the clinker manufacturing process reduces the …
4. Steel Slag 945 ii. Mix Ratio for 23% replacement of steel slag Table 2: Ratio for 23% replacement S. No. Material Weight (g) 1. Cement 1500 2. M - Sand 2250 3. Course Aggregate 3465 4. Steel Slag 1035 iii. Mix Ratio for 25% replacement of steel slag Table 3: Ratio for 25% replacement S. No. Material Weight (g) 1.
— The most common form of quartz is silicon dioxide, which is a chemically inert and relatively hard mineral. The percentages of SiO 2 in steel slag and river sand are 55.7% and 85.7%, respectively. Al 2 O 3 is also chemically inert and contributes to hardness when used in concrete. The Al 2 O 3 is
— The workability of concrete decreases with increase in percentage of steel slag. • The compressive strength, split tensile strength and flexural strength results shows that the strength of normal concrete is slightly higher than the 20% walnut shell replaced concrete but lower than steel slag replaced concrete. • The compressive
of Steel slag within the material. Material Used Steel Slag Steel Slag is formed from steel cutting factories during the sawing and finishing of steel parts, and almost 20 - 25% of the processed steel is converted into the powder. Deletion of the Steel Slag from the steel cutting places is a noteworthy environmental trouble today.
— Specifically, the focus is on utilizing iron slag as a partial replacement for sand in concrete, showcasing integration avenues and highlighting potential advantages. …
— Due to its strength, BFS has the potential to replace natural coarse aggregate in both structural and non-structural projects. Steel slag as a substitute for coarse grain and manufacturing sand as a substitute for fine grain in concrete: - Steel slag and m. sand as a substitute for coarse grain, R. Bupesh Raja, V. Ganesh Kumar, and J. Baalamurugan.
— Steel slag replacement as a fine or coarse aggregate showed better resistance to acid than traditional concrete, while fine aggregate provided better results …
Carbon dioxide sequestration using steel slag—modeling and experimental investigation. Smitha Gopinath, Anurag Mehra, in Carbon Dioxide Sequestration in Cementitious Construction Materials, 2018. 4.1 Introduction. Steel slag is an industrial waste that is generated during the production of steel. In the production of steel, oxides of metal …
— Study on replacement of coarse aggregate by steel slag and fine aggregate by manufacturing sand in concrete. International Journal of ChemTech Research, 8(4), 1721–1729. Google Scholar Tiwari, M. K., Bajpai, S., & Dewangan, U. K. (2016). Steel slag utilization: Overview in Indian perspective.
Concrete mixes are modified by 5% 10%, 15%, 20% and 25% of Steel Slag as replacement of cement. The main conclusions drawn are inclusion of Steel Slag increases the …
— Specifically, the focus is on utilizing iron slag as a partial replacement for sand in concrete, showcasing integration avenues and highlighting potential advantages. The research evaluates concrete's strength and durability across replacement levels ranging from 0 to 50% of fine aggregates.
The report presents an investigation of mechanical and durability properties of concrete by adding iron slag as replacement of sand in various percentages. The X-ray diffraction …
If fine aggregates are replaced by steel slag of specific size and specific percentage, then it will reduce the fine aggregate content i.e. river sand, which will help to reduce the ill …
— In terms of strength development, rice husk ash concrete is like fly ash/slag concrete. Rice husk ash, on the other hand, is a very active pozzolanic material, and the consequences of the pozzolanic reactions are visible at an early age rather than later as with other replacement cementing materials [14].It is favorable to the strength …
— Various percentage of replacement Concrete with replacement Cement in % Fine aggregate in% Coarse aggregate in % River sand Steel slag Crushed Granite Steel slag 0% 100 100 0 100 0 30 % CA 100 100 0 70 30 40% FA 100 60 40 100 0 From the test results, the compressive strength of concrete increased 4.6% when the coarse …
— To reduce the amount of natural sand and gravel used in construction, researchers have tried to investigate the possibility and effect of steel slag used to replace powder [7-10] or aggregate [11 ...
