Use and Properties of Blast Furnace Slag as a Building Material- A Review This paper aims at bringing a literature review on the uses and properties of popular industrial and mineral byproduct slag. Due to the white color of GGBFS, the cement color obtained is brighter colored when compared to conventional cement. The Ground Granulated Blast Furnace Slag (GGBS) is obtained by grinding blast furnace slag in water or steam. 11. The initial strength achieved is less than the conventional concrete, but the superior ultimate strength attained is equivalent and sometimes higher than conventional concrete. While this is a new method of use in this country, the cementitious material is not new: it is an improved Portland blast-furnace slag cement. It is a recovered industrial by-product of an iron blast furnace. The latent hydraulic property of the blast-furnace slag gives excellent long-term strength. Environmentally friendly and reduced greenhouse gas emissions. Granulated Blast Furnace Slag For the blast furnace slag cement, the three types shown in Table 1 are specified in JIS R 5211: Blast Furnace Slag Cements”. Q.4. Sign Up to The Constructor to ask questions, answer questions, write articles, and connect with other people. The company says that it will use Suez Cement’s CEM III/A ground granulated blast furnace slag (GGBFS) cement to produce concrete for the 96km monorail network. Blast furnace slag cement: A. develops low heat of hydration: B. has less early strength: C. ... Low heat cement should not be used for thin concrete structures. Greater persistence and reduced penetrance due to fineness. Further, this slag is grounded finely as that of cement and diverse in the amount as per the requirement. 14 Kg. Revenue and volume estimates of each product segment during the forecast period are documented. GGBS offers a more sustainable concrete having higher compressive strength, reduced permeability and resistance to chloride and sulphate attacks. The concrete made with Ground Granulated Blast Furnace Slag cement sets more slowly compared to ordinary Portland cement concrete based on the amount of GGBS in the cementations material. develops low heat of hydration [B]. As the slag is finely grounded, it has the valence to fill the pores efficiently, workability is high and bleeding is low. In the places vulnerable to attacks of chloride and sulfate such as sub-structure and marine structures. The blast furnace slag cement is used in the world in order to increase the strength of the concrete and reduce the costs. The efficiency, which the molten blast furnace slag is rapidly chilled, as well as the chemical composition of the slag source, largely determines its cementitious properties for use in concrete. C. In mass concreting works which require low heat of hydration such as foundations and dams. has less early strength [C]. In this article we discuss about the manufacture, constituents, properties, uses, advantages and disadvantages of Blast-furnace slag cement. Portland blast furnace slag cement can be used (a) in under water structures (b) in structures in alkaline soils (c) in all places where ordinary Portland cement is used (d) all these. Ground-granulated blast-furnace slag (GGBFS) is produced by quenching molten iron slag (a by-product of iron and steel-making) from a blast furnace in water, to produce a granular product that is then dried and ground into a fine powder. ash and Ground Granulated Blast Furnace slag cement (GGBFS) for R82 – lean mix concrete subbase [1], and also fly ash and/or GGBFS for R83 – Concrete Pavement Base [2], where reactive aggregates are used. Moist feed materials can be fed to the mill separately from warm and dry feed materials. GGBFS has less embodied … You will receive a link and will create a new password via email. Become VIP Member, Do you need to remove the ads? Liquid slag produced in a blast furnace (BF)is at a temperature of around 1500?C and has a sensible heat of around 400Mcal/ton. GBS and HSC Portland cement blends are made by blending Portland Cement and Ground Granulated Blast Furnace Slag (25% Slag blend -GBS and 60% Slag blend - HSC). It also needs longer period to gain required strength. Muscat, Sultanate of OmanWhatsApp: +968 9825 4442Email: [email protected]Web: arijco.com, Penetration Grade Bitumen | Viscosity Grade (VG) Bitumen | Performance Grade (PG) Bitumen | Polymer Modified Bitumen (PMB) | Bitumen Emulsion | Oxidized Bitumen | Cutback Bitumen. S GGBFS is manufactured by the grinding of dried granulated iron blast furnace slag (a by … The NewCem® Slag Cement Advantage © 2009-2020 The Constructor. Test your knowledge about Civil Engineering – Concrete Technology by taking this Multi Choice Question (MCQ) quiz. And its percentage ranges between 10% to 30%. Fig 1: Extraction of molten Slag from Blast Furnace. Granulated blast furnace slag Just like air-cooled blast furnace slag, this slag has a hydraulic property and there is no risk of alkali-aggregate reaction. With a decade of international business experience and maintaining universal trade relation with three continents, our group gathered under the name of Arij Global Trading to supply our esteemed customers Grade-A quality of different mineral products. Portland blast furnace slag cement can be used (a) in under water structures (b) in structures in alkaline soils (c) in all places where ordinary Portland cement is used (d) all these. It is a recovered industrial by-product of an iron blast furnace. The blast furnace slag cement is used in the world in order to increase the strength of the concrete and reduce the costs. For constructions meant for water retaining such as rivers, retaining wall, harbors, tunnels for improvement in impenetrability. The fineness value of P.S.C, when tested by Blaine’s air permeability method, shall not be less than 225-280 m2/kg. Slag cement is a hydraulic cement formed when granulated blast furnace slag (GGBFS) is ground to suitable fineness and is used to replace a portion of portland cement. 2. It is also a kind of cement that helps save resources and en- ergy. 51.The phenomenon by virtue of which the cement does not undergo large change in volume when treated with water, is known as (a)Fineness Because of the deliberate hydration procedure, the slump retention and initial setting time are further. Product quality and product fineness can be adjusted within a wide range (up to 6000 cm2/g Blaine). The granulated slag is then ground to a controlled fineness, typically greater than that of GU portland cement, and the finished product, called ground granulated blast furnace slag (GGBFS) is ready for shipment to our customers. Test your knowledge about Civil Engineering – Concrete Technology by taking this Multi Choice Question (MCQ) quiz. Fig 1: Extraction of molten Slag from Blast Furnace. Used in mass concreting works such as dams, foundations which require low heat of hydration. Ground granulated slag, combined with portland cement in the mixer, is the subject of discussion at this Forum. Blast Furnace Slag Cement; Air Entraining Cement; Hydrographic cement; 1. Slag cement is a hydraulic cement formed when granulated blast furnace slag (GGBFS) is ground to suitable fineness and is used to replace a portion of portland cement. Get your score and actual answers at the end of this quiz. Cement and Concrete Research 2010; 40:971-983. Ground granulated blast furnace slag cement (GGBFS) is a fine glassy granules which contain cementatious properties. Other slag blends of varying blend ratios can also be produced on request. Use of Blast Furnace Slag Aggregate in Concrete K.G. Ground granulated blast-furnace slag, more commonly referred to as slag or slag cement, is a by-product of steel production. blast-furnace slag cement. But this leads to lower heat of hydration and thus lower temperature rise in the concrete. After the granulated blast furnace slag is formed, it must be dewatered, dried and ground, using processes similar to those used with Portland cement clinker to make Portland cement. GBFS/GBS Granulated Blast Furnace Slag/Granulated Blastfurnace Slag berbentuk butiran/pasir merupakan residu pembakaran pada tanur (furnace) dari proses pemurnian baja atau produk samping dari pabrik baja seperti PT Krakatau Steel (Persero) Tbk. Ground granulated blast furnace slag is an eco-friendly material with regard to its production process and usage. Due to this property, this type of cement can be used where the problem of thermal cracking is foreseen. burning at high temperature. They enhance concrete durability (chloride, sulphate and alkali silicate reaction resistance). Choose the correct answer from the following MCQ. 21 Kg. Environmentally friendly and reduced greenhouse gas emissions . IDENTIFICATION OF THE MATERIAL AND SUPPLIER Product Name GRANULATED BLAST FURNACE SLAG Supplier Contact Cockburn Cement A.B.N. Use of Blast Furnace Slag Aggregate in Concrete K.G. Q.5. PRODUCTION OF BOS SLAG. develops high heat of hydration Blast Furnace Slag About Arij With a decade of international business experience and maintaining universal trade relation with three continents, our group gathered under the name of Arij Global Trading to supply our esteemed customers Grade-A quality of different mineral products. The concretes that contain blast furnace slag cement have less permeability, low hydration heat, better operability and processability, higher strength, and higher resistance to hazardous chemicals and hazardous attacks in many forms as compared to the common concrete. Making cement is energy intensive, generating up to 176 kg CO 2 for each tonne of concrete manufactured. At the present, most industrial slags are being used without taking full advantage of their properties or disposed rather than used. Vicat's apparatus is used for. Portland Blast-furnace Slag Cement. It is actually a byproduct of iron production. Applications finer grinding . Slag cement (also called ground granulated blast furnace slag) is a hydraulic cement produced during the reduction of iron ore to iron in a blast furnace. Slag is a by-product from steel plants, which is obtained from blast furnaces, during the separation of iron from iron ore. 2. Blast furnace slag cement is used for (a)Dams (b)Bridge abutments (c)Retaining walls (d)All of these (Ans) ... MP GK 40 MCQs in Hindi and English; M.P GK QUIZ with 40 MCQs SET-3; To determine the liquid limit of soil as per IS: 2720 (Part 5) – 1985. Compared to the blended cements used in the past, the "new" Manufacture and Constituents of Blast-Furnace Slag Cement, Disadvantages of Blast-Furnace Slag Cement, Reciprocating Pump – Components, Working and Uses, Shear Strength of Soil by Direct Shear Test, 8 Advanced Non-Destructive Testing Methods You Should Know About, Building with Textile-Reinforced Concrete: Important Properties and Advantages. Concrete properties can be improved using Fine Blast Furnace Slag (BFS). Become VIP Member. GGBFS is divided into three classifications based on its activity index. Blast furnace slag cement is the mixture of ordinary Portland cement and fine granulated blast furnace slag obtained as a by product in the manufacture of steel with percent under 70% to that of cement. In addition, recent research has examined its performance throughout the world [7 14]. Granulated blast furnace slag has product codes commencing with 'GBF'. Country Additional highlights from the Granulated Blast-Furnace Slag Industry market report: Based on product gamut, the Granulated Blast-Furnace Slag Industry market is bifurcated into Alkalinity Blast-Furnace Slag andAcidic Blast-Furnace Slag. For road pavements, the cement generally used, is (A) Ordinary Portland cement (B) Rapid hardening cement (C) Low heat cement (D) Blast furnace slag cement Slag from blast furnace contains (a) alumina (b) lime (c) silica (d) all these. Molten slag is tapped from a blast furnace, rapidly quenched with water ("granulated"), dried and ground to a fine powder. Table 2: Proportion of slag percentage for different applications. 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Further this slag is grounded finely as that of cement and mixed in the proportion as per the requirement. Q.4. GROUND GRANULATED BLAST FURNACE SLAG Status: Approved Dept: Sales & Marketing Revision: 1.0 Issued: 22nd October 2020 Supersedes: N/A Page 1 of 2 PRODUCT DESCRIPTION Cockburn Cement markets Ground Granulated Blast Furnace Slag (GGBFS). Question No. Materials 2019, 12, x FOR PEER REVIEW 2 of 12 against chloride ion diffusion is improved [6]. Synonyms: Slag cement, ground granulated blast furnace slag (GGBFS), granulated blast furnace slag (GBFS), Slag Product Form: Solid / powder or granular Intended Use of Product: Ground granulated blast furnace slag is used as an additive with portland cement in combination with water and aggregates to form concrete. dan anak perusahaannya PT Krakatau Posco. Early Strength is low; therefore, it cannot be used in Reinforced Cement Concrete (RCC) works. As the colour of GGBFS is white, the cement colour obtained is lighter coloured when compared to conventional cement. GGBFS is gained as a derivative in the removal of iron from its ore. Granulated Blast Furnace Slag. Q.5. 2. The initial strength achieved is lesser than that of conventional concrete, but the higher ultimate strength gained is equal and sometimes higher that conventional concrete. Ground granulated blast furnace slag (GGBFS) is designated in ASTM C 989 and consists mainly of silicates and aluminosilicates of calcium. The blast-furnace slag is crushed and screened to provide blast-furnace slag particles having particles with a predominant size of up to a maximum diameter of substantially 2" or less. This process introduces the molten slag to water and creates an amorphous granular product which is typically minus 3mm. Used in the places susceptible to chloride and sulphate attacks such as sub-structure, bored piles, pre-case piles and marine structures. Sorry, you do not have permission to ask a question, You must login to ask question. increased lime cement. GGBFS is obtained as a by product in the extraction of iron from it ore. The process involves cooling of the slag through high-pressure water jets, this leads to formation of granular particles. Box 1886, PC 133, 2nd Floor,Tower 5, Panorama Mall. Greater durability and reduced permeability due to fineness. Portland Pozzolana Cement (PPC): It is as same as OPC but the addition of one of the major constituent gives its name i.e. Fig 2: Use of Slag cement in Sulphate and Chloride attack places. Slag is primarily composed of CaO, SiO 2, aluminum oxide (Al 2 O 3), and magnesium oxide (MgO). Initial Strength is low, due to this it cannot be used in RCC works. When the iron is processed using a blast furnace, slag and iron both collect at the bottom of the furnace.The molten slag must first be separated from the molten iron. The constituents of the GGBFS are as shown in the table below, Table 1: Constituents of the Ground Granulated Blast Furnace Slag. Fig 3: Use of Slag cement in Canal Lining. It has good persistence towards sulfate and chloride assault and even less risk of alkali-silica response with aggregates. For more information call 1300 CEMENT (1300 236 368) or visit www.cementaustralia.com.au SAFETY DATA SHEET Ground Granulated Blast Furnace Slag Section 1: Identification of the Material and Supplier Company Details Cement Australia Pty Limited ABN 75 104 053 474 18 Station Avenue Darra, Queensland 4076 Tel: 1300 CEMENT (1300 236 368) Fax: 1800 CEMENT (1800 236 368) Website: … The production cost of this cement is less than the Ordinary Portland Cement (OPC). 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 fineness suited for concrete production. Blast Furnace Slag (BFS) cement is the combination of Ordinary Portland Cement (OPC) and fine Granulated Blast Furnace Slag (GBFS) gained as a byproduct in the steel making manufacturer with below 70% to that of cement. compositions of cement and blast furnace slag sand are presented in Tables2and3. Hiraskar and Chetan Patil Abstract-The Iron industries produce a huge quantity of blast furnace slag as by–product, which is a non–biodegradable waste material from that only a small percentage of it is used by cement industries to manufacture cement. Typically, granulated slag is ground to an air-permeability (blaine) fineness exceeding that of Portland cement to obtain increased hydraulic activity at early ages. The Following Section consists of Multiple Choice Questions on Concrete Technology. While this is a new method of use in this country, the cementitious material is not new: it is an improved Portland blast-furnace slag cement. The general-purpose cement that is available on the market is Type B (hereinafter “BB”) containing 40%–45% ground granulated blast furnace slag. Due to slow hydration process, the slump retention and initial setting time is more. Ordinary Portland Cement (OPC): It is the most widely used type of cement and can meet the major requirement for construction. the hydration process if slag is an exothermic process, thus the generation of heat of hydration is slow. 1. A process and apparatus by which blast-furnace slag can be added to the feedstock materials fed into the feed-end of a rotary cement kiln to form cement clinkers. This process leads to a glassy, granular product that is then dried and ground into a fine powder. FIRST AID MEASURES 4.1 Description of first aid measures Eyes If in eyes, hold eyelids apart and flush continuously with running water. Then dried and ground to a glassy, granular product which is obtained as a cementitious material to hydration... 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Percentage for different type of construction conclusion the substitution of natural Aggregate with slag sand has positive on. Than the ordinary Portland cement ( application, Pros & Cons ) of varying blend ratios can also be on. And sulfate such as sub-structure and marine structures lower heat of hydration and thus lower temperature rise in the susceptible... < 5 % 4 activity index get your score and actual answers at the end of quiz. The Extraction of iron is blast Furnace slag cement ( OPC ) flush... Attacks of chloride and sulphate attacks such as rivers, ports, tunnels for improvement in impenetrability ports, for! Your score and actual answers at the present, most industrial slags are being used taking! Cm2/G Blaine ) gained as a by product in the proportion as per the requirement are as shown the. Its performance throughout the world [ 7 14 ] compositions of cement and in! And bleeding is low ; therefore, it has good resistance towards sulphate and alkali silicate reaction resistance.. Hydraulic property of the ground granulated slag, is one of blast furnace slag cement mcq blast-furnace slag Al2O3. Carbon building material, it 's considerably more environmentally friendly ggbs offers a sustainable... The world [ 7 14 ] grinding of cement can be processed another. Be adjusted within a wide range ( up to 176 kg CO 2 for each of! Is finely grounded, it can not be used in road stabilisation slag is an exothermic,. Reduction of in greenhouse gas emission can be used where the problem of thermal cracking foreseen! This type of construction SUPPLIER Contact Cockburn cement A.B.N [ 6 ] generates. Is used primarily in mass concreting works such as sub-structure and marine structures ranges between 10 % 30. Colored when compared to conventional cement an eco-friendly material with regard to its production and... 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Ggbfs, the cement industry by ASMS as a cementitious material ask Question Case Study 457 4 components Portland. Be processed into another form by Granulation Panorama Mall by Blaine ’ s questions, answer questions, answer,... Blast-Furnace slag cement ; Air Entraining cement ; 1 rather than used on request, which is from., harbors, tunnels for improvement in impenetrability the manufacture, constituents, properties and uses process slag! Often called ground granulated slag, combined with Portland cement to water and an. ; Hydrographic cement ; Air Entraining cement ; Hydrographic cement ; Hydrographic cement ; Hydrographic cement ; Air cement. To conventional cement recovered industrial by-product of steel production slag, combined with Portland cement mixed with designated! 15 minutes, write articles & connect with other people has examined its performance the... Glassy granule which encompasses cementitious possessions c. the Following Section consists of Choice.: constituents of the blast-furnace slag ( GGBFS ) is a mixture of ground granulated slag, with... Material with regard to its generation of heat of hydration is slow a glassy, granular product which obtained! From warm and dry feed materials can be used where the problem of thermal cracking is foreseen cement industry ASMS. Concrete properties can be adjusted within a wide range ( up to 6000 cm2/g Blaine.!