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·This study investigates the performance of two waste materials steel slag and construction and demolition waste CDW as potential backfill materials for reinforced earth RE applications under cyclic loading conditions Consolidated undrained cyclic triaxial tests were conducted on the materials to investigate the material behavior The study also assessed the
·The wet grinding specimens presented a higher hydration heat than that of raw steel slag specimens and the microstructure of 3 μm 40% 3 μm steel slag mixed with cement as a dosage of 40% is
·In view of the EU s circular economy strategy there is a need to develop treatments that may allow to improve the management of industrial residues such as steel manufacturing slag for example by producing secondary products that may be used for different applications This work evaluates the performance of a combined carbonation and granulation
·Steel slag is a large scale industrial solid waste stream generated by the iron and steel industry [1] [2] [3] China produced billion tons of crude steel in 2022 which resulted in the generation of more than 160 million tons of steel slag The connected layered pores in the samples are caused by the breakage of limestone
·Steel slag is a by product generated during the steelmaking process constituting 15 to 20 % of crude steel production [3] Steel slag possesses significant sensible heat carbon sequestration potential and resource utilization capacity all of which are crucial for reducing CO 2 emissions in the steel industry Given its high heat content in the molten state
·With a view to reduce the use of natural resources the use of steel slag SS has been considered as a substitute to conventional ballast A critical review of literature reveals that the steel slag possesses higher density abrasion resistance and inter particle friction angle and hence exhibits lesser particle breakage higher resilient
·Steel slag is a byproduct of the steelmaking and steel refining processes This paper provides an overview of the different types of steel slag that are generated from basic oxygen furnace BOF steelmaking electric arc furnace EAF steelmaking and ladle furnace steel refining processes
·Steel slag is an industrial waste by product generated during steel making process Based on the raw materials and type of furnace used in steel production SS can be classified as Basic Oxygen Furnace BOF slag Electric Arc Furnace EAF slag and Ladle Furnace LF slag but the ballast breakage index of slag ballast was 146 % more than
·Slag detecting systems like AMEPA ® detects the presence of slag through electrical resistivity method based on which feedback is received by the slide gate mechanism to continue or block the flow of liquid steel The slag detection system generally gets activated when 15 20 T liquid steel is remaining in the ladle below which chances of
1 ·Steel slag is helping the concrete and cement industry reduce its carbon emissions but there may be less steel slag available in future
·Steel slag samples defined as diverse monosized fractions have been used in this study Microwave treatment was conducted in a domestic multi mode microwave unit at a constant power input
·Steel slag which is a by product from steel making industries is generated during the separation of impurities from molten steel in steel making furnaces An extensive review of literature related to particle breakage and crushing has been done in this paper by filtering out a total of 183 articles from the respective domains Based upon
·The crushing characteristics of steel making slag according to compaction energy Gyeong o Kang1 Jung goo Kang1 Young sang Kim2 Seong kyu Chang1 breakage stability of sand using Weibull statistics of friability stress and particle size In addition through a one dimensional consolidation
·Steel slag is a rock like material which is produced in chorus with the steel from steel making industry Presently India is the second largest steel making country up from eighth in 2003 in the world as per Indian Minerals Yearbook 2018 [] According to New Steel Policy 2017 Indian steel industry produced million tons MT steel in 2016 17 and targets to
·In recent years slag a residue from pyrometallurgical processes has become more attractive in circular economy frameworks to increase the efficient use of resources throughout the life cycle of steel products and help in the reduction of carbon emissions Its applicability is strongly dependent on the particle size and therefore the optimization of
·Steel slag is the oxidized material that is generated when lime dolomite and other auxiliary materials are added and oxygen is blown onto the pig iron produced by a blast furnace to remove carbon C phosphorus P sulfur S and other components to produce crude steel in a basic oxygen furnace BOF Steel slag is the main by product of
·Recently many countries such as Iran Japan Australia Europe USA and China have a massive amount of steel slag the annual production rate of which is around [2] [7] [8] 45 [9] 16 [10] and 100 million tons [11] utilization of steel slag has been propounded in various parts of railway tracks such as ballast sub ballast and
·With a view to reduce burden on natural resources the use of steel slag ballast SSB as an alternative to the conventional granite ballast GB is explored in the current study The shear behavior of GB SSB and slag GB mixture with and without tire chips TC was evaluated under direct shear conditions φ and ψ and lower particle
·Therefore the breakage generally happens on two staves coolers simultaneously Figure is the schematic diagram of breakage of Capital Steel No 4 blast furnace on March 5 1985 Capital Steel the second generation No 4 blast furnace with volume of 1200 m 3 has 72 block staves coolers in the two layers of hearth Each stave cooler has
·The bubble transportation and bubble steel slag interactions in gas stirring vessels in metallurgical processes is a quite complicated multiphase flow intricate with multiple time and space scales The present work implements a two way discrete continuum transition algorithm in a multiscale model for the simulation of bubble injection coalescence and its
·Steel slag includes certain minerals such as C2S and C3S so it can be used in cement and concrete as a mineral admixture This paper presents a study of a thermal breakage process used to
·The slag thickness for the base case is assumed to be 100 mm corresponding to kg/ton of the weight ratio between slag and steel The usual slag weight found in the literature is between 13 and 16 kg/ton [32 40] The rest of the ladle after excluding slag and steel melt is considered to be filled with argon gas
·The utilization rate of steel slag SS in China is much lower than that in developed countries In this study water cooled SS and hot spray poured SS were analyzed as raw materials Six kinds of composite SS mixtures with different mixing proportions were then designed and their properties such as expansion rate California bearing ratio
Steel slag is a byproduct of the steelmaking and steel refining processes This paper provides an overview of the different types of steel slag that are generated from basic oxygen furnace BOF
