— the utilization of steel slag in concrete and its impact on mechanical properties Lai et al [5 ] investigated the eect of incorporating electric arc furnace steel slag EAFS into hardened concrete Their ndings demonstrated that concrete with steel slag aggregates exhibited signicantly higher compressive tensile and exural strength as well
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— Solid waste management is a critical issue worldwide Effectively utilizing these solid waste resources presents a viable solution This study focuses on Iron ore tailings IOTs a solid waste generated during iron ore processing which can be used as supplementary cementitious materials SCMs but have low reactivity hindering their
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— The recovery rate for steel slag varies from 20 to 98% depending on the country • A state of the art on the reuse of steel slag is presented • Emphasis was given to the potential and challenges in construction materials • Steel slag may be suitable as an alternative binder and aggregates for AAM • LCA is important to assess the
— The applications of steel slag in cement mainly propose to reduce the amount of Portland cement and further provide added value by using it as an auxiliary raw meal supplementary clinker or fine aggregate However the application of steel slag faces challenges such as poor grindability low reactivity weak cementation uncertain volume
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— The use of copper slag as a pozzolanic material for a partial substitute for ordinary Portland cement and its effects on the hydration reactions and properties of mortar and concrete have been reported in several publications Al Jabri et al 2006 Taha et al 2007 Malhotra 1993 Tixier et al 1997 Ariño and Mobasher 1999 Douglas and
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— One of the first studies on concrete with slag aggregates was by Dr Akinmusuru [35] in which several series of concrete specimens were tested with different percentages of LD converter slag in substitution of cement and sand The study established that the concrete specimens with slag aggregates were similar and even had better
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Supplementary cementing materials Daman K Panesar in Developments in the Formulation and Reinforcement of Concrete Second Edition 2019 Slag cement Slag cement is a by product from blast furnaces that are used to make iron Blast furnaces operate at a temperature of approximately 1500°C to melt iron oxide coke and fluxing
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— of steel slag in concrete is found Waste management is one of the most common and challenging problems in the world The steel making industry has generated substantially solid waste Steel slag is a residue obtained in steel making operation This paper deals with the implementation of steel slag as an effective replacement for sand
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— The proportion of natural sand replaced by steel slag sand affects the volumetric stability of steel slag mortar and steel slag concrete However the steel slag substitution rate detection method
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— The present study discusses the performance of high volume fly ash concrete HVFAC mixes containing slag sand which is a solid waste obtained from basic oxygen steel making industry The design of such mixes was optimized to attain sufficient strength for structural purposes and then cement and natural sand in them were replaced
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— High titanium heavy slag is one kind of solid waste that exists in large amounts in the southwest of China In this paper this high titanium heavy slag is used as natural pre wetted material in concrete because of its porous structure Three kinds of aggregates are used in this concrete The first one is natural limestone and river sand
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— 1 Introduction Cement is widely used in the building industry but releases large amounts of carbon into the environment For instance cement produces approximately 500 700 kg/t CO 2 Nie et al 2022 To reduce the carbon emissions researchers are increasingly developing green and low carbon cementitious materials that can replace
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— This mix provides 48% lesser cost than control concrete and has % less embodied carbon dioxide emission and hence it is recommended as most sustainable and cost effective concrete Utilization of copper slag and steel slag in making this sustainable concrete blend will pave path to a safe environment and protection of natural
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