Slag Cement Benefits and Use in Concrete. The results of pozzolanic activity tests show that steel sludge has a higher reactivity due its higher loss of conductivity which is about 72.9% as against 43.3% for steel slag. Murthi P.,Sivakumar V Indian concrete journal 2008 vol 82(7) pp 35. 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. The applications of steel slag powder and steel slag aggregate in ultra-high performance concrete (UHPC) were investigated by determining the fluidity, nonevaporable water content, and pore structure of paste and the compressive strength of concrete and by observing the morphologies of hardened paste and the concrete fracture surface. It is actually a byproduct of iron production. According to the results, compressive strength improves with the increase in steel slag ratio up to 25 per cent but increasing the steel slag ratio above 25 per cent decreases compressive strength. The water absorption and volume of voids shows higher values for recycled aggregate concrete (RAC) mixes. Steel slag can also be used to absorb contaminants like phosphate, magnesium, iron, calcium, silica and aluminium in the wastewater treatment process, but loses its effectiveness over time. Some limited field cases of the use of steel slag in pavements were found. Steel slags are by-products in the steel production industry and can be used for different purposes; e.g. From the experimental investigations, it has been observed that, the optimum percentage of steel slag for high strength concrete. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Despite its volume changes over time, steel slag can be applied in concrete as a cement replacement (normally) or as a substitute for natural aggregates (rarely). Steel slag is an industrial by-product of steel industry. The following size of slag available from JSW Steel Ltd,0-4mm,4- Cement was partially replaced with glass powder at varying percentages such as 10%, 20% and 30% and several concrete cylinders were casted along with plain concrete specimen. Therefore, it is feasible to produce sustainable concrete by using maximum waste concrete i.e. 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. Slag is a waste metallic material which might have long term delayed reactions, further experiments would be necessary to evaluate the durability of concrete made by steel slag aggregates. Export citation and abstract En ajoutant au laitier d'acier du minerai de fer en tant qu'agrégat, le revêtement de lestage en béton lourd économique peut avoir une densité supérieure à un revêtement ayant uniquement du laitier. Slag cement has actually been used in concrete projects in the United States for over a century. The applications of steel slag powder and steel slag aggregate in ultra-high performance concrete (UHPC) were investigated by determining the fluidity, nonevaporable water content, and pore structure of paste and the compressive strength of concrete and by observing the morphologies of hardened paste and the concrete fracture surface. Abstract Steel slag is an industrial by-product of steel industry. The initial compressive strength of mix containing 20% GP and 30% MK with 50% OPC, after 7 days curing is found to be higher by 5%, compared with control mix. Mechanical properties of the concrete containing the steel slag and steel sludge were also evaluated. The normal strength concrete with w/c ratio (w/c = 0.55) was used for this experimental investigation. International Journal of ChemTech Research, An Experimental Investigation on Concrete by Partial Replacement of Coarse Aggregate and Fine Aggregate by Rubber TYRE and Steel Slag, EAF Slag Treatment for Inert Materials' Production, Performance of sustainable high strength concrete with basic oxygen steel-making (BOS) slag and nano-silica, Strength-porosity relationship for ternary blended concrete, Comparison of properties of steel slag and crushed limestone aggregate concretes, PERFORMANCE OF NEW VISCOSITY MODIFYING ADMIXTURES IN ENHANCING THE RHEOLOGICAL PROPERTIES OF CEMENT PASTE. The effects of steam treatment at 100 °C and autoclave treatment under 2.0 MPa on the soundness of steel slag sand were investigated by means of powder ratio, linear expansion, compressive and flexural strength. Slags are generally used to remove waste in metal smelting and assists in the temperature control of the smelting. Moreover the recycling of industrial waste slag is the core content of sustainable development. You will only need to do this once. 92 012041, 1 Cement Plant - Považská Cementáreň, A.S., Ladce, Ladce, Slovakia, 2 Institute of Environmental Engineering, Faculty of Mining and Geology, VSB-Technical University of Ostrava, Czech Republic, 3 Institute of Clean Technologies for Mining and Utilization of Raw Materials for Energy Use Faculty of Mining and Geology, VSB-Technical University of Ostrava, Czech Republic, https://doi.org/10.1088/1755-1315/92/1/012041. Admixtures like Metakaolin (MK) and Waste Glass Powder (GP) were used to replace OPC, producing, Join ResearchGate to discover and stay up-to-date with the latest research from leading experts in, Access scientific knowledge from anywhere. IOP Conference Series: Earth and Environmental Science, The needs for alternative sources of aggregates are pressing. This steel can be recycled. This study evaluates the use of Steel Slag Aggregates (SSA) as substitute for natural aggregates in the production of hot mix asphalt (HMA) for road construction. This paper is based on an essential assumption that porosity variation plays a role in influencing compressive strength of hardened concrete. Afrani and Rogers (1994), on the other hand, recorded much greater scaling loss for concrete with high slag cement replacement compared to 100% OPC concrete. concrete and natural aggregate concrete, in high strength concrete series. You do not need to reset your password if you login via Athens or an Institutional login. Today, iron and steel slag is used in many fields where its unique characteristics can be put to effective use. A composite mineral binder was prepared by mixing ground granulate blast furnace slag (GGBS) and steel slag (GGBS/steel slag ratios are 1 : 1 or 3 : 2 by mass). The non-destructive parameters like ultrasonic pulse velocity and rebound number of concrete follows similar pattern as that of compressive strength. II. 1. © 2008-2021 ResearchGate GmbH. of concrete containing steel slag at 28 days was about 35% higher than the reference concrete [9]. In this study steel slag aggregate processed by several aging process was comparatively satisfied with fundamental properties as concrete aggregate, which are specific gravity, absorption, unit weight, percentage of solids and abrasion value etc. Suitable methods for enhancing the volume stability of steel slag utilized as fine aggregate were determined. L. Dongxue, et al. When the iron is processed using a blast furnace, slag and iron both collect at the bottom of the furnace.The molten slag must first be separated from the molten iron. Steel slag has great potential for its reuse in concrete production. Scrap steel reclamation – Steelmaking slag contains around 10 % scrap steel, which can be reclaimed through crushing, sorting, magnetic separation and screening process. Steel slag is currently utilized both to treat wastewater, and as a concrete aggregate. IS: 383-1970, "Specification for coarse and fine aggregates from natural sources for Concrete", Bureau In this study, the effect of utilizing air-cooled steel slag from Zob-Ahan steel production factory in concrete is evaluated. Concrete based on steel slag with CEM I 42.5N and H-CEMENT can be included in leachability class IIb. Shaopeng W.,Yongjie X.,Qunshan Y.,Building and environment 2007.,vol 42 (7) pp 2580-2585. ) DTA, EDX, XRD and ethylene glycol methods were employed to … The influence of the fineness and content of steel slag powder on the fluidity and strength of the powder mortar was studied, the regression equations of fluidity and compression strength of different ages are derived, and the contour map is drawn. different properties of concrete including workability, compressive strength at three different curing ages (3, 7 and 28 days), splitting tensile strength, flexural strength, ultrasonic pulse velocity, rebound number, water absorption, density and volume of voids have been experimented to examine the effect of metakaolin and RCA on the properties of concrete. The initial strength development of fly ash based blended concrete was less compared to the normal concrete. The water content was kept constant to 176.63 kg for the desir, fresh density of concrete was then obtained as, Concrete origin were used in the Concrete mix ratio =1: 0.97: 2.02 (Cement: FA: CA: Water-cement, ratio). Fly Ash (FA) and Rice Husk Ash (RHA) were used for preparing the binary blended concrete and Silica Fume (SF) was used for developing the ternary blended concrete. Similarly, some of the physical properties of steel slag aggregate concrete were better than those of crushed limestone aggregate concrete, though the unit weight of the former was more than that of the latter. Steel slag is not so good as GGBS in improving the workability of concrete. If the unit cost of steel slag modified mixes is the same as conventional dense graded mixes, overall project costs may increase because of the decrease in coverage by the heavier steel slag mix. The plant is featured by an innovative pneumatic transport system to convey the stabilizing agent to intercept the molten slag flux during the deslagging operation. Steel slag, which is a by-product of steel manufacturing, could be an alternative solution. Find out more. Iron and steel slag products: Concrete aggregate. The physical and chemical properties of slag aggregate evidenced the feasibility of using this material as a substitute for river sand. Slag is by-product of steel making. To satisfy the overall grading requirement of coarse aggregate (8), Concrete cubes of size 150 x150 x 150 mm, we, strength, 100 x 100 x 500 mm prisms were cast. It possesses the problem of disposal as waste and is of environmental concern. IOP Conference Series Materials Science and Engineering. In this study, the use of steel slag as fine and/or coarse aggregate in concrete is investigated. Danieli & C. in collaboration with Politec-nico di Milano, designed an innovative, patent pending, treatment plant to solve some issues associated to metals leaching (i.e., Ba, V, and Cr), and high free lime concentration for carbon steel EAF slag, for the production of artificial aggregates featured by mechanical properties suitable for the building purposes. All the concrete mixes we, workability with a slump of 65 mm. This eco-friendly concrete was developed with steel slag as a substitute for natural sand. conducted a research on the characteristics of concrete with EAF oxidizing slag as an aggregate and that evaluated the applicability of the slag for reinforced concrete (RC) members. The durability performance of both steel slag and crushed limestone aggregate concretes was evaluated by assessing water permeability, pulse velocity, dimensional stability and reinforcement corrosion. Isa Y.,Omer O.,Turhan B., Journal of material 2006.,vol 103(3).,pp203-208. Steel slag produced from basic oxygen and electric arc furnaces accounted for the remainder of sales. BibTeX For both fine particles and course particles, the chemical composition is completely uniform. difference in the level of deicer scaling that occurred in slag cement concrete versus OPC concrete (Dubovoy, et al, 1986). Furthermore, the properties of concrete mix containing 100% RCA and 15% metakaolin are similar to that of normal concrete. Usage of steel slag in concrete as fine and/or coarse aggregate Gözde İnan Sezer* & Mert Gülderen Department of Civil Engineering, Ege University, İzmir, Turkey Received 27 September 2013; accepted 13 February 2015 In this study, the use of steel slag as fine and/or coarse aggregate in concrete is investigated. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Usage in sinter mix-Steelmaking slag contains high percentage of CaO (mostly above 50 %). This site uses cookies. The cylinders were tested for, The present research work investigates the utilization of metakaolin as a mineral admixture in improving the properties of concrete mixes, containing varying percentages of recycled coarse aggregates (RCA). Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. In India between 7.7 and 8.3 million tons of steel slag are expected to be produced per year. Slag cement, when used as a separate component in a concrete mixture, is specified through ASTM C 989 Specification for Ground Granulated Blast-Furnace Slag for Use in Concrete and Mortar. 6. All specimens were denuded 24 hours after casting, an, The experiment was conducted to find the di, tensile strength; when the steel slag is replaced with fine aggregat, 14th and 28th days. Steel slag is currently utilized both to treat wastewater, and as a concrete aggregate. The overall test results indicated that the waste glass powder could be utilized in concrete as a good substitute of cement up to particle size less than 75μm. The viability of steel slag in concrete is found. Mechanical properties are evaluated by conducting compressive, split tensile strength tests. For this purpose, 12 different concrete mixtures with different water/cement ratios of 0.40, 0.55 and 0.70 which include steel slag aggregate as … Mainly consists of calcium carbonate is broken down to smaller sizes to be in...., pp203-208 mainly consists of calcium carbonate is broken down to smaller sizes to be and... Using the steel slag in concrete test design the effective porosity and make concrete with various percentages of steel industry sludge were evaluated... Chemical analysis is also observed to understand the effect of utilizing air-cooled steel slag concrete... A century for enhancing the volume stability of steel slag as fine coarse. 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