ResultSuccessful implementation of slag effluent is done by replacing cement with supplementary cementitious material and aggregate replacement. Also, steel slag as aggregate can be used in concrete, mortar, asphalt, ready-mixed soil, roadbed and many more. However, it has been noted that using BOF slag …
اقرأ أكثرResultThe primary aim of this research was to evaluate the strength of concrete made with steel slag as replacement for fine aggregates. For this present study M20 grade concrete shall be designed ...
اقرأ أكثرResultThe construction began around a year ago by converting mounds of steel waste into steel slag aggregate. The sixth and final lane of the road, with a three-lane to-and-fro carriageway on either side, was completed in early March. The road is now being used by heavy-duty vehicles of multinationals located in the industrial estate on …
اقرأ أكثرResultTo prepare the original or recycled slag (Fig. 1) or asphalt mixtures, the original and recycled aggregates were grained and mixed for reaching a uniform aggregate grinning matching.As shown in Fig. 2, similar to previous studies [26], the recycled slag and RAP were mixed with 3 and 6 wt% of oil for 2 hrs for …
اقرأ أكثرResultAbstract. With the awareness of environmental protection and resource conservation, the efficient use of industrial waste has drawn much attention. As an …
اقرأ أكثرResultAfter 28 and 90 days, the strength was increased. Nevertheless, worse results were obtained when replacing 80% of the slag, and in the first days of setting, the strength of the reference concrete was not reached. ... Noumowe A. Concretes made of EAF slag and AOD slag aggregates from stainless steel …
اقرأ أكثرResultThe primary objective of the project is to increase the strength of the concrete by replacing coarse aggregate by steel slag and also 30% replacement of eco sand as fine aggregate. As of from literature steel slag is replaced for 0,15,30,45,60,75,90 % which indeed gives us 7 mixes (M1, M2, M3, M4, M5, M6, M7) totally. After …
اقرأ أكثرResult1. Introduction. Steel slag is the main solid waste generated in the steel-making process, accounting for 15 to 20% of crude steel output [1].China's crude steel output in 2021 was 1.035 billion tons [2], more than half of the global crude steel output (1.9505 billion tons) [3], and the steel slag output exceeded …
اقرأ أكثرResultThis study focuses on fine aggregates and their use. The first step in determining the ideal replacement ratio is to perform a compressive strength test …
اقرأ أكثرResultTherefore the replacement of BF slag as aggregate is a viable option (Carvalho et al., 2017). ... Comparing carbonated steel slag aggregate (CSA), un-carbonated steel slag aggregate (SSA), and natural aggregate (NA), the CSA concrete absorbed 5.27 times more water than the NA concrete, and 2.69 times …
اقرأ أكثرResultThis paper aims to study experimentally, the effect of partial replacement of coarse and fine aggregates by steel slag (SS), on the various strength and durability properties of concrete, by using ...
اقرأ أكثرResultThe third mix consisted of partially replacing the natural aggregate with steel slag in percentages of 5%, 10%, 15% and 20%. In the three mixtures, the purpose was to evaluate the physical and mechanical properties, through wet track abrasion test (WTAT), loaded wheel test (LWT), to select an optimum percentage …
اقرأ أكثرResultStrength characteristics of slag based steel fiber reinforced concrete with partial replacement of steel slag in coarse aggregate. International Journal of Recent Technology and Engineering, 8 (3), 3449–3452.
اقرأ أكثرResultIn addition, steel slag can be used as aggregates in concrete to replace natural aggregates, because it has favorable mechanical properties, including strong bearing and shear strength, good soundness characteristics, and high resistance to abrasion and impact. ... Steel slag aggregates are fairly angular, roughly cubical …
اقرأ أكثرResultThis study focuses on fine aggregates and their use. The first step in determining the ideal replacement ratio is to perform a compressive strength test on a 150 mm × 150 mm × 150 mm cube. Over the course of 28 days, steel slag replaced coarse aggregate at levels of 20%, 0%, 60%, and 80%.
اقرأ أكثرResultSteel slag (SS) and Iron slag (IS) is a waste product from the steel and iron industries that have been used to replace aggregates in concrete. This study reviews specifically the various mechanical properties of different types of concretes wherein SS and IS have been incorporated with varying contents.
اقرأ أكثرResultProperties of cement Properties Values Fineness 5% Consistency 29% Initial setting time Specific gravity 45 min 3.15 2.1.2 Aggregates Steel slag, a by-product obtained from the steel manufacturing plant, is crushed into pieces and used as a fine and coarse aggregate along with conventional fine and coarse aggregate.
اقرأ أكثرResultThe results showed that replacing about 60 percent of steel slag aggregates for coarse aggregate and 40 percent of ecosand for fine aggregate will not have any adverse effect on the strength of ...
اقرأ أكثرResultThe economic feasibility of replacing conventional aggregates with recycled slag aggregates and the partial replacement of cement with steel slag powders is also addressed. An in-depth topic on the performance of cement-based composites produced with ground steel slag was also built, assessing workability, …
اقرأ أكثرResultBy-products of the steel and iron industries, slag aggregates have many valuable properties that can be used in construction, infrastructure and agriculture. ... (GGBS) which is used as a cement replacement in concrete. Slag aggregates in asphalt. An ideal aggregate for base, binder and surface course asphalt products, the …
اقرأ أكثرResultThe scope of the present investigation deals with the usage of steel slag as a partial replacement of coarse aggregate by steel slag and cement by fly ash in concrete. Initially steel …
اقرأ أكثرResultEnvironmental benefit caused by replacement of steel slag aggregate is limited. ... standard 'GB13590-2006 Portland steel slag cement' and UK had published the 'quality protocol guidance of aggregates made with waste steel slag' in 2016. However, the application of SS was still very limited due to: ...
اقرأ أكثرResultSteel slag replacement as a fine or coarse aggregate showed better resistance to acid than traditional concrete, while fine aggregate provided better …
اقرأ أكثرResultUse of steel slag as a waste industrial which is the by-Product of iron and steel production provides great opportunity to utilize it as an alternate to normally available coarse aggregates. In this study concrete of M25 grade for a w/c ratio of 0.45 respectively for the replacement of 60%,70% and 80% of coarse …
اقرأ أكثرResultThe most commonly used recycling materials are derived from the demolition and steel industry waste, which can be reused in different percentages …
اقرأ أكثرResultSeven mixes were prepared by partially replacing Steel Slag as fine aggregate and Walnut Shell as coarse aggregate and tested for mechanical …
اقرأ أكثرResultSeveral studies have ascertained steel slag to be a potential material for either partial or total replacement for cement and aggregates in the production of concrete [14, [16][17][18][19][20][21 ...
اقرأ أكثرResultThe mixture with iron slag as a coarse aggregate 20% replacement gives the best results in compressive strength, tensile strength, and flexural strength, reaching 51.75%, 52.9%, and 36% increases ...
اقرأ أكثرResultSteel slag was utilised as a replacement for coarse aggregate in concrete cube, cylinder, and prism moulds up to , and the compressive strength characteristic was explored. The appropriate replacement for coarse stone fragments with slag from steel is 80%, according to the findings of the strength in …
اقرأ أكثرResultIt was clearly observed that particles in steel slag fine aggregate (size below 4.75 mm) produced by crushing wet steel slag block were seriously coated by impurities (fine powder, dust and sludge). Weathering process was a common way to improve the volume stability of steel slag [20] .
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