materials Article The E ect of Fineness on the Hydration Activity Index of Ground Granulated Blast Furnace Slag Jinpeng Dai 1,2, Qicai Wang 1,2,*, Chao Xie 2, Yanjin Xue 1, Yun Duan 2 and Xiaoning Cui 2 1 National and Provincial Joint Engineering Laboratory of Road & Bridge Disaster Prevention and Control, Lanzhou Jiaotong University, Lanzhou …
The current study aims to evaluate the suitability of ground granulated blast-furnace slag (GGBFS)- and rice husk ash (RHA)-based geopolymer concrete for construction of structural elements by ...
Ground granulated blast furnace slag (GGBFS) is a byproduct from the blast-furnaces of iron and it is a very beneficial in the mortar and concrete production. …
Ground granulated blast furnace slag (GGBS or GGBFS) is obtained by quenching molten iron slag (a by-product of iron and steelmaking) from a blast furnace …
In recent decades, considering environmental issues, partial replacement of Portland cement with supplementary cementitious material (SCM), namely ground granulated blast furnace slag (GGBS), has been in the spotlight of research.
What is Ground Granulated Blast Furnace Slag (GGBFS) GGBFS is a byproduct of the iron and steel industry, specifically from the production of iron in blast furnaces. It is obtained by rapidly quenching molten slag from the blast furnace with water or steam, which results in the formation of glassy granules.
The massive accumulation of iron ore tailing (IOT) results in land resource wastage and increases the possibility of environmental pollution. In this study, the feasibility of using low-carbon alkali-activated ground granulated blast-furnace slag (lime/Carbide slag (CS)-GGBS) and coal fly ash (CFA) instead of portland cement (PC) for solidifying …
Ground granulated blast-furnace slag (GGBFS) or Slag Cement is obtained by quenching molten iron slag (a by-product of iron and steel-making) from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine powder. GGBFS is used to make durable concrete structures in
To improve the properties of ground granulated blast furnace slag (GGBS) and utilize ground granulated blast furnace slag efficiently, this study investigates the effect of fineness on the ...
Hence with the goal to develop a durable and fire-resistant GPC, synergistic usage of ground granulated blast furnace slag and sugarcane bagasse ash as precursor material has been explored in this work. Goal of the current study is to investigate the durability and elevated temperature behaviour of GPC made with GGBS and SCBA. The …
Ground granulated blast furnace slag (GGBFS) is a by-product material of iron, and its main chemical components are CaO, SiO 2, and Al 2 O 3 [20,21]. GGBFS, usually classified
Ground granulated blast-furnace slag (GGBS), manufactured from a by-product of the iron-making industry, is one of the most common, and most sustainable, substitutes. The cementitious properties of blast-furnace slag were discovered in the late 19th century and it has been widely used in concrete manufacture for over 100 years.
Ground granulated blast furnace slag (GGBFS) or slag cement is a granular by-product material produced from iron blast furnaces of the iron making industry. Blast furnace …
Green concrete is made with a binder of GGBS, DG and EAFRS. • Green concrete yields a compressive strength over 50 MPa at 28 days. • GGBS is activated by Ca(OH) 2 from EAFRS and gypsum from DG. Lowered Ca(OH) 2 content and hydration heat is released than portland cement. Hydration products include C–S–H of a low Ca/Si …
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 …
Using industrial wastes (fly ash and ground granulated blast furnace slag) as cement substitutes can reduce the environmental impact of construction and reduce costs. A few experimental combinations with different mix ratios were developed, and novel and challenging properties were investigated. All the studied samples had strong …
This standard is identical to EN 15167-2 : 2006 – 'Ground granulated blast furnace slag for use in concrete, mortar and grout – Part 2 : Conformity evaluation' and adopted with permission of CEN, Rue de Stassart 36, B-1050 Brussels. Attention is drawn to the following: 1. Where reference is made to European Standards, it has been ...
The ground granulated blast furnace slag (GGBFS) is a by-product of iron manufacturing which when added to concrete improves its properties such as workability, strength and durability. This material is obtained by the heating of iron ore, limestone and coke at a temperature about 1500 degree Celsius. The process is carried out in a blast furnace.
Durability Properties of Geopolymer Concrete Containing Ground-Granulated Blast Furnace Slag and Black Rice Husk Ash January 2021 DOI: 10.1007/978-981-15-9162-4_22
Ground Granulated Blast Furnace Slag (GGBS) The importance of Ground Granulated Blast Furnace Slag (GGBS) lies in its greener way to become a substitute in concrete material. GGBS being a …
blast-furnace slag cement containing 50 wt.-% GGBS gen-erates only 0.54 t CO 2. These data include emissions from the calcination process, the fossil fuel burning, and the use ... Ground granulated blastfurnace slag for use with Portland cement (1992) z ASTM C 989: Ground granulated blast-furnace slag for use in concrete and mortars (1999)
As a by-product of existing industrial processes, GGBS has 10 times less embodied C02 than the average CEM1 product and can be used to replace up to 70% CEM1 in concrete*. Our products conform to BS EN 15167-1, the British standard for using Ground Granulated Blast furnace Slag in concrete, mortar, and grout.
In some studies, it has been demonstrated that using a composite mineral admixture known as ground-granulated blast-furnace slag-steel slag composite binder …
Since the discovery of the latent hydraulic reactivity of ground granulated blast-furnace slag (ggbfs) by Emil Langen at the end of the 19th century, this material …
Property JIS A 6206 standard values (Ground granulated blast furnace slag 4000) Density (g/cm 3): 2.80 or more: Specific surface area (cm 2 /g): 3,500 to less than 5,000
Ground granulated blast furnace slag (GGBS) used in the study was from Wuhan VCEM Technology Development Company Limited. ... The vertical grinder (VG) was used to prepare wet ... After being dried in a vacuum dryer at 40 °C for 12 h, small pieces were used for the observation of SEM. Moreover, small debris were milled to go …
Ground granulated blast furnace slag also has a lower heat of hydration and, hence, generates less heat during concrete production and curing. GGBFS is a desirable material to use in mass concrete placements where control of temperatures is an issue. GGBFS can be used instead of cement with the ratios from 10% to 90%.
A new hydraulic cementitious binder was developed by mainly utilizing industrial byproducts phosphogypsum (PG) and ground granulated blast furnace slag (GGBFS) with small addition of ordinary portland cement (OPC). The hydration process and microstructure were studied by X-ray diffraction (XRD) and scanning electronic …
Utilization of high volume ground granulated blast furnace slag (GGBS) to produce cement-based materials (CBMs) meets the requirements of sustainable development. However, high volume GGBS will ...
This paper provides a contemporary review of the usage of Ground Granulated Blast-furnace Slag (GGBS), Silica Fume, and Nano Silica in Materialistic form over the deterministic aspects of conventional concrete. The main purpose of this literature learning is to enumerate the effect of GGBS, Silica Fume, and Nano Silica on strength of …
Ground granulated blast-furnace slag (GGBFS) Our slag cement CEMSlag TM is a hydraulic cement material created when granulated blast-furnace slag from the steel manufacturing process is ground to a …
GGBS of Lafarge Emirates Cement conforms both to BS 6699:1992 & ASTM C 989-99 standards. It is produced by grinding premium quality Granulated Blast-furnace Slag, a by-product of steel manufacturing process, to a fineness of around 400 m2/kg.
This paper reviews the global availability of ground granulated blast furnace slag (GGBS), concluding that whilst global supplies must continue to be fully utilised, any local …
Ground granulated blast-furnace slag (GGBFS), sometimes simply referred to as "slag", is a glassy granular material formed when molten blast-furnace slag is rapidly chilled, as by immersion in water. It is a non-metallic product, consistingaofBsilicates and aluminosilicates of calcium and other bases, developed in a …
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 concrete. …
a raw material for Ground Granulated Blast Furnace Slag (GGBFS), a supplementary cementitious material used in concrete Section 2: Hazards Identification Hazardous Substance. Non-dangerous Goods. The raw material does not expose the user to the same risks as the Ground/Powdered product. See Ground Granulated Blast Furnace Slag …
1. Introduction. Ground granulated blast furnace slag has a great potential of producing geopolymer concrete. The strength achieved by ground granulated blast furnace based geopolymer concrete is more or less similar to the conventional cement concrete [1].Geopolymer concrete has turned up as a co-friendly future construction …
However, they successfully obtained a hydraulic road binder using ternary blended matrix which contains BOF slag, ground granulated blast furnace slag (GGBFS) and a catalyst. ... The BOF slag was initially oven-dried at 105 ± 2 °C for 24 h and then ground by a laboratory type disc grinder to obtain fine powder. The appearance of …
