:Ying Li, Chunyu Qiao, Wen NiPublish Year:2020 · This study aimed to determine how nano-silica (NS) and ground granulated blast furnace slag (GGBFS) additives, used to replace some proportion of
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· This paper deals with the bond between steel reinforcement and recycled aggregate concrete, including Electric arc furnace (EAF) slag as full replacement of natural coarse aggregates. Pull-out
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· The slump value decreased from 180 mm to 60 mm with steel slag usage and concrete density increased by 10.2%. With the increment in the applied load, the slags in the concrete collapsed and the compressive strength decreased from 50.3 MPa to 40.5 MPa. The use of slag has improved fire resistance.
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In recent decades, considering environmental issues, partial replacement of Portland cement with supplementary cementitious material (SCM), namely ground granulated
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1.4.2. The basic oxygen furnace (BOF) The BOF process forms part of the primary steel production route, which also incorporates the BF process. In a BF, the iron ore, limestone and fuel are continuously supplied through the top section of the furnace, while heated air is forced into the lower section ( Geerdes, Toxopeus, & Van der fliet, 2009 ).
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In this paper, the freeze-thaw performance of concrete using granulated blast-furnace slag (GBS) as fine aggregate was studied. According to the test method for slow freezing and thawing, degradation of mechanical properties about GBS concrete with 2 kinds W/B ratio and 3 kinds GBS replacement ratio were tested, and micromorphology of GBS concrete
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· EAF slag was collected from M/s JSW Steel Ltd., Dolvi, Maharashtra, India. It was black in colour with porous texture as shown in Fig. 2.For the leaching analysis, EAF slag, deionized water (DI H 2 O), acetic acid (Thomas Baker), NaOH (97 % Laboratory reagent grade, Thomas Baker), and HCl (35–38 % Laboratory reagent grade, Thomas
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Among industrial byproducts that are suitable for use as admixtures, the utilization of ground granulated blast-furnace slag (GGBS) has increased recently. Admixtures are
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· An electric arc furnace (EAF) is a metallurgical furnace for melting and converting scrap steel into new steel by using a high current level. The electrodes installed on an EAF's top-head provide
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:Blast Furnace SlagConcrete and Cement · This paper studies the physical properties and hydration of green concrete with ground granulated blast-furnace slag (GGBS), EAF reducing slag
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· Plain cement concrete, ground granulated blast furnace slag (GGBS) concrete, and fly ash concrete were designed. Three wet curing periods were employed, which were 2, 5, and 8 days.
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· Maslehuddin et al. [17] and Alizadeh et al. [18] in their study reported better strength properties for the concrete containing steel slag for various replacements upto 50%. However
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In this study, we investigated the durability of high-volume ground granulated blast furnace slag (GGBS) blended ce- ment concrete containing over 70% of GGBS for possible general structural applications. The concrete specimens used were exposed to natural outdoor conditions for 41 years on a building rooftop. The following is found.
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· Therefore, in order to confirm the possibility of using electric arc furnace (EAF) oxidizing slag as a In this study, cement is replaced by slag at 20% and 60% by weight. Slag of three
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Concrete Using Granulated Blast-Furnace Slag as Fine Aggregate LIU Qiang1,a,SHI Dongsheng1,b and DING The cement used in this study was P.O42.5 Portland cement supplied by Jidong cement plant
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· Within the furnace, different reactions take place, which result in the formation of the primary material (molten steel) and the so-called "Electric Arc Furnace slag" (or "EAF"), in a range of
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· To reduce the cement content in ECC, scholars have attempted to use other materials as cement substitutes in the ECC matrix [7,8,9,10,11]. Victor C. Li used fly ash (FA) to displace cement in the development
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· Influence of Electric Arc Furnace (EAF) Slag Aggregate Sizes on the Workability and Durability of Concrete June 2015 International Journal of Engineering and Technology 7(3):1049-1056
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· In Korea, KS F 4571 has been prepared for using the electric arc furnace slag to concrete aggregates. In this study, Electric arc furnace slag is used in the PMC(Polymer Modified Concrete) which
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· With respect to the mechanical properties, durability and thermal behavior, ground-granulated blast-furnace slag (GGBS) delineates a rational way to develop sustainable cement and
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:Blast Furnace SlagConcrete and Cement · Abstract. The goal of the current study is to determine the dissolving effect of slag in water. Five percentage values of slag were taken up for the study: 0%, 2.5%,
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· The goal of the current study is to determine the dissolving effect of slag in water. Five percentage values of slag were taken up for the study: 0%, 2.5%, 5%, 10%, and 20%. The study is based on two methods of mixing. The first method is the traditional mixing process, which involves addition of slag directly with other concrete proportions
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· Section snippets Materials Type I Portland cement was used. Another cement paste adopted the blast furnace slag with the following properties: (specific area of 405 m 2 /kg, specific weight of 2.67. 7-day activity index of 76.6%, 28-day activity index of 103.3% and its major chemical components: 38.38% SiO 2; 17.46% Al 2 O 3; 2.08% Fe
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· materials Article Comparing Properties of Concrete Containing Electric Arc Furnace Slag and Granulated Blast Furnace Slag Jin-Young Lee 1, Jin-Seok Choi 2, Tian-Feng Yuan 2, Young-Soo Yoon 2,* and Denis Mitchell 1,* 1 Department of Civil Engineering and Applied Mechanics, McGill University, Montreal,
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· Coral wastes are produced during the construction of island. The use of coral wastes in concrete is beneficial to economy and environment. Coral waste as aggregate in concrete has been studied well. Now, coral powder (CP) as mineral admixture to replace cement partially in concrete is a different approach to reuse coral waste.
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A review of the literature resulted in the following conclusions relevant to the drying. shrinkage of concrete containing ground, granulated, blast-furnace slag (slag cement): 1. The drying
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2. Literature Review 2.1. Electric Arc Furnace Slag (EAF Slag) As shown in Figure 1, slags are generally classified into two categories: Blast furnace (BF) slag and steel-making (SM) slag. Electric arc furnace (EAF) slag, one of the SM slags, is produced by refining
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Arc Furnace Steel Slag as Aggregate in Concrete: Effects on the Environmental and Technical Performance. Sustainability 2021, 13, ment and 0.55 water/cement ra tio. Other studies [10,24,27] generally showed good results regarding tensile strength
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This paper presents the results of an investigation into the influence of fineness and particle size distribution of granulated blast-furnace slag (GBFS) on its hydraulic reactivity in cement systems. The GBFS was separated into different fineness classes by grinding and/or air separation. The particle size distributions were determined by laser analysis
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· This study describes experimental results achieved by the use of granulated blast furnace slag (GBFS) and cement in stabilizing lithomargic clay for geotechnical applications. Soil was replaced by GBFS in percentages of 10, 15, 20, 25, 30, 35, 40, 45, 50% and cement of 2, 4, 6, and 8% by dry weight of soil is added.
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