use of steel slag in cement

Steel slag, which is a by-product of steel manufacturing, could be an alternative solution. In some cases slags from the iron and steel industries can be used to replace natural aggregates in construction. For sustainable development in the construction industry, steel slag has been used as a substitute for cement in concrete. The use of ground granulated blast furnace slag in concrete, as cement constituent or as latent hydraulic binder, is a current practice, but information of concrete with ladle furnace slag is more limited. Hiraskar and ChetanPatil (2013), investigated the use of blast furnace slag as aggregates in concrete. nace without the production of its co-product i.e. Blending 10% extra iron slag to a cement composed of 49% iron slag, 43% calcined lime, and 8% steel slag kept the compressive strength of concrete above standard values for type I … carried out a research to evaluate the effect of using electric arc furnace steel slag on hardened concrete. Portland cement CEM I 42.5N and alkali activated hybrid cement H-CEMENT were used as the binder. Alizadeh et al. blast furnace slag. Steel slag is a byproduct from steel making industry [1] characterized by variable chemical components and low cementitious properties. Specific knowledge of the behavior of mixtures with steel slag in relation to certain properties needs to … This paper presents the results from experimental works completed at Qatar University to check the applicability of using steel slag aggregates in concrete … To achieve this goal in concrete pavement, various substitutes were found to be replaced with natural aggregates of concrete. 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 1. The cement uses only 15-30% of OPC clinker, 30-40% of steel-slag and 40-50% of blastfurnace slag (BFS), allowing for great reductions in GHG emissions, consumption of virgin natural resources and energy use by between 70% and 85%. Evaluation of the use of steel slag in concrete The increasing demand for road construction led researchers to search for an economical and ecological pavement design. In this research, laboratory investigations of the use of steel slag as a portland cement concrete (PCC) aggregate were reviewed. Introduction. The test results confirm the possibility to use steel slag as the filler in the production of concrete. Much of this research took place outside the United States. In this study, the use of steel slag as fine and/or coarse aggregate in concrete is investigated. The use of blast furnace slag aggregates in concrete by replacing natural aggregates is a most promising concept because its impact strength is more than the natural aggregate. [1] 2. Steel slag aggregates are already being used as aggregates in asphalt paving road mixes K.G. Slag cement, a byproduct of steel-making, enhances the traditional concrete benefits of strength and durability while offering reductions in waste, energy use and greenhouse gas emissions. evaluation of steel slag usage in road construction and use of blast furnace slag in concrete mixes, few researches have been performed regarding the utilization of steel slag in concrete. Steel slag, the most commonly discharged metallurgical slag from the steel industry, contains CaO, SiO 2, and Fe 2 O 3 in percentages that allow its use as a raw material in the cement industry. (2002) have indicated that the durability of steel slag cement concrete was better than the same for crushed limestone aggregate. The needs for alternative sources of aggregates are pressing. These oxides are essential for achieving optimal final product compositions and are also key components of the kiln feed. 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