Blast furnace slag is known as a by-product from the production of hot metal at integrated steel and iron mills Approximately 300 kg of this liquid slag with a temperature of about 1500°C is tapped together with each ton hot metal This results in a worldwide annual production of about 400 million tons of blast furnace slag
Blast Furnace Slag - Material Description ORIGIN In the production of iron, iron ore, iron scrap, and fluxes (limestone and/or dolomite) are charged into a blast furnace along with coke for fuel The coke is combusted to produce carbon monoxide, which reduces the iron ore to a molten iron product
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 application of a composite binder in a massive concrete structure under severe sulphate attack is discussed by determining the hydration heat, adiabatic temperature increase, compressive strength, elastic modulus, chloride ion .
May 14, 2011· Abstract In the present study, compressive strength, pore structure, thermal behavior and microstructure characteristics of concrete containing ground granulated blast furnace slag and TiO 2 nanoparticles as binder were investigated Portland cement was replaced by different amounts of ground granulated blast furnace slag and the properties of concrete specimens were investigated
The higher content of calcium oxide in slag results in its being more reactive than PFA and a more effective cement extender when early strength development is required SMART, R and VAN HEERDEN, D The use of granulated blast furnace slag based binders with platinum tailings for underground support systems Third
specimen without blast furnace slag showed apparent porosity of 243% while for GC2 specimen with 10% blast furnace slag, the apparent porosity decreased to 2293% Decreasing trend in water absorption is observed with additional blast furnace slag in geopolymer paste Minimum water absorption obtained for pastes was for GC2 with a value of 1089%
This paper deals with another nonferrous slag: cobalt furnace slag The results of the study reported in this paper show that with a small addition of cement and salts, cobalt furnace slag can be used as a hydraulic binder and may replace Ordinary Portland cement in some general applications
A binder for construction materials containing a ground granulated blast furnace slag and at least one mono-, di- or trivalent metal salt chosen from bismuth, copper, silver or tin salts The salt is capable of forming, during mixing with said slag, a metal sulfide for which the solubility product KSP, measured at 25° C, is less than 10−10
energy/emissions material, such as blast furnace slag, would have a large impact on reducing those emissions Using slag cement in concrete can greatly decrease the amount of Portland cement typically used for a specific mixture of concrete  Slag cement can reduce the amount of Portland cement in two ways: direct replacement
Slagment is the registered trade name of our Ground Granulated Blast Furnace Slag (GGBFS) It is a latent hydraulic binder that is used in concrete and other construction applications as a partial cement replacement material We have the capacity to produce over 800 000 tons of slag per year at our Slagment operation in Vanderbijlpark
Autogenous Self-Healing in Blast Furnace Slag Cement by Sodium Monofluorophosphate J Kempl and O Çopuroğlu CiTG, Delft University of Technology, Stevinweg 1, 2628 CN Delft, The Netherlands , on the surface of BFSC binders and building materials about a decade ago, the , icing salt resistance of blast furnace slag cement mortars, Proc .
the slag is placed into a pit and is allowed to solidify by the prevailing atmospheric conditions Granulated slag is blast furnace slag that has been solidified by quickly quenching the material in water Wet bottom boiler slag is a by-product of coal-fired electric power plants and is commonly known as cinders PHYSICAL QUALITIES
Nov 24, 2015· The highly alkaline lime also breaks down the chemical structure of blast furnace slag and, similarly to Roman concretes, the calcium in lime then bonds with the aluminas and silicas in the blast furnace slag to form a strong C-A-S-H binder
Aside from being used as a cement additive, blast furnace slag can be added to concrete separately, thereby achieving an effect similar to concrete in its fresh and hardened state In European legislation, the usage of blast furnace slag as an additive to concrete, mortar and grout is ,
Effects of blast-furnace slag on natural pozzolan-based geopolymer cement Ceramics – Silikáty 55 (1) 68-78 (2011) 69 its pozzolanic activity The results of chemical analysis determined according to ASTM standard C311  are shown in Table 1 The mineralogical phase composition of the pozzo- lan was determined by the use of powder X-ray .
[Show full abstract] extends these knowledge over a blast furnace slag-42% gypsum binder system and shows that the resulting soil-cement concrete strength can be uniformly described by parameters .
BLAST FURNACE SLAG -THE ULTIMATE BINDER Bob Tailing and Pave1 Krivenko INTRODUCTION The dominant role of pure Portland cement is slowly decreasing in the favour of substituted and composite cements Another very important change is the steadily growing amount of plants specialized in separate grinding and or mixing of components for cements
BLAST FURNACE SLAG CEMENT Blast Furnace Slag Cement is a hydraulic binder, which is obtained by mixing portland clinker with some limestone and ground granulated blast furnace slag (GGBS) Blast Furnace Slag Cements are used in order to increase concrete strength, increase economic life and protect the environment
By mixing portland cement with other hydraulic binders, such as fly ash and blast furnace slag, CEM II and CEM III (blast furnace cement) are obtained Fly ash GEOS is a permanent partner in the analysis of fly ash for various European producers
Slag : Ground granulated blast furnace slag (GGBS) GGBS is primarily a latent hydraulic binder used as a type 2 addition to cement which produces Portland blastfurnace cement (6-35% of GGBS) or blastfurnace cement (36-90% GGBS) which is produced primarily by blending at the concrete mixer but can also be used to produce factory blends generally at the cement factory
Application of Ground Granulate Blast Furnace Slag-Steel Slag Composite Binder in a Massive Concrete Structure under Severe Sulphate Attack JinLiuandDongminWang , the composite binder is clearly less than that of the plain cement within 3d This is because as cement replacement
Air-cooled blast furnace slag (ACBFS) is considered by many specifying agencies to be a conventional aggregate and can replace both coarse and fine aggregates in asphalt paving applications ACBFS, however, is more absorptive than conventional aggregate ,
The effects of fines and chemical composition of three types of ground granulated blast furnace slag (GGBFS) on various concrete properties were studied Those studied were alkali activated by liquid sodium silicate (SS) and sodium carbonate (SC) Flowability, setting times, compressive strength, efflorescence, and carbonation resistance and shrinkage were tested
The present invention describes a binder for construction materials, which includes at least: a granulated, crushed blast-furnace slag; and at least one monovalent, divalent or trivalent metal salt selected from among the salts of bismuth, copper, silver or tin, the salt being capable, when mixed with said slag, of forming a metal sulphide in which the solubility product K SP measured at 25 .
A binder material useful for forming a concrete type material comprises, calculated on a dry, water and carbon dioxide free basis, a base component constituting 50-95 wt% of the binder material, said base component comprising ground granulated blast furnace slag, and an activator component constituting 5-50 wt% of the binder material, said activator component comprising aluminum sulfate, and a .
Desulfurization Slag/Granulated Blast Furnace Slag Binder and Mortar without Portland Cement Wen-Ten Kuo 1, Tsung-Chin Hou , and Huang-Hsing Pan1 1Department of Civil Engineering, National .
This article investigated the potential of fly ash (FA)/blast furnace slag- (BFS-) based geopolymer as a novel backfilling material The effects of NaOH concentration and FA/BFS mass ratio were explored through XRD, FTIR, and TG-DTG analys The results indicated that the reaction products and strengths of geopolymer depended on the NaOH concentration and types of source materials
Types of iron and steel slag 22 Granulated Blast Furnace Slag (GBF Slag) GBF slag is a type of BF slag, which is obtained by water-quenching molten iron slag from the blast furnace Conversely, if BF slag is air-cooled slowly, it will consist of unreactive crystalline compounds
Apr 28, 2016· Use of blast-furnace slag's as • Sand and gravel for the construction of road beds, • Basic filler in asphalt–concrete mixtures for the construction of road and airport coatings, • Unroasted cement (binder) for reinforcing roadways and • Preparing slow-setting concrete Use of Blast Furnace Slag in Road Construction 23
Hydration heat evolutions and non-evaporable water contents of binders and reaction degrees of fly ash and ground granulated blast-furnace slag (GGBS) were tested to investigate the contributions of fly ash and GGBS to the early hydration heat of composite binders at 25°C and 50°C