Strength and corrosion resistance properties of ggbs. Cost and environmental impact using embodied energy is also discussed. Looking for online definition of ggbs or what ggbs stands for. Properties of concrete containing ground granulated blast. The smoother surface texture and glassy surface of ggbs particles also helps to improve workability. Nov 01, 2014 working with ggbs concrete fresh concrete containing ggbs has better mobility characteristics, arising from the consistent fineness and particle shape of the ggbs powder, and from its slightly lower relative density. Ground granulated blast furnace slag ggbfs was obtained from nippon denro ispat ltd. The indian concrete journal october 2014 5 sathish kumar. Department of civil engineering, adhiparasakthi engineering college, melmaruvathur, india. Concrete is a commonly used construction material, which is the mixture of cement, sand, aggregate, and admixtures blended with water. Ground granulated blast furnace slag ggbs is a byproduct from the blastfurnaces used to make iron. Ggbs is listed in the worlds largest and most authoritative dictionary database of abbreviations and acronyms. According to the results, the metastar, rha, ggbs and pfa are the finest pozzolans finer than lime. Groundgranulated blastfurnace slag ggbs or ggbfs is obtained by quenching molten iron slag a byproduct of iron and steelmaking from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine powder.
This paper deals with the mechanical properties of concrete made with ground granulated blast furnace slag ggbfs subjected to temperatures up to 350 c. The cementitious properties of blastfurnace slag were discovered in the late 19th century and it has been widely used in concrete manufacture for over 100 years. Mar 25, 2011 ground granulated blast furnace slag ggbs is a byproduct from the blastfurnaces used to make iron. Coarse aggregates used in this study were of 10 mm nominal size. However, some concerns regarding its performance in freezing environments have been raised. Ground granulated blastfurnace slag ggbs, manufactured from a byproduct of the ironmaking industry, is one of the most common, and most sustainable, substitutes. Replacement of portland cement by adding up to 70% ggbs, reduce cement content in concrete from about 530 kgm3 to 160 kgm3 and despite of this large reduction of cement in concrete, ultimate strength is not affected, also considerable improvement in durability properties is observed. Protective clothing should be worn which ensures that ggbs or any ggbswater mixture eg, concrete or mortar, does not come into. Influence of ggbs on mechanical properties of high. May 26, 2016 ggbs means the ground granulated blast furnace slag is a byproduct of the manufacturing of pig iron. Strength properties of a bacterial concrete with flyash. Ggbs being a waste material, it needs proper method for disposal. Ground granulated blast furnace slag ggbs 1 is a by product from the blast furnaces used to make iron. 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.
Muhammad rizwan akram, saim razaeffect of micro silica and ggbs on compressive strength and permeability of impervious concrete as a cement replacement british standards institution, cement. R, experimental study on the properties of concrete. Ggbs slag is byproduct of iron and steel manufacturing process. When ironore, coke and limestone melt in the blast furnace, two products are producedmolten iron, and molten slag.
Nov 20, 2010 this paper studies how pozzolan properties including particle size, specific surface, chemical and mineral composition, amorphousness and water demand, affect their reactivity as well as the strength of limepozzolan pastes. Pdf design of selfcompacting concrete with ground granulated. In addition, the fibre enhanced the impact resistance and other mechanical properties of the opsgc. Cementitious materials the effect of ggbs, fly ash, silica fume and limestone on the properties of concrete. The replacement of portland cement with ggbs will lead to significant reduction of carbon dioxide gas emission. Ggbs reduces the risk of sulfate attack on the concrete. Enter a new file name for your pdf and select options. The physical properties of ggbs are presented in table 1 as. Under water concrete with ground granulated blast furnace. The deflections under the design service loads for ggbs concrete beams are within the allowable limit provided by is. The study results showed that, with the increase in percentage of ggbs, the chloride diffusion of concrete decreases. The reduction in concretes embodied co2 has seen the 1990 figure fall by 22%, from 103kg of co2 per tonne of concrete to 79.
Ggbs improves longterm strength, protects concrete from aggressive chemical attack, reduces heat of hydration 35x. Hence, its effects on the properties of concrete in fresh and hardened form also change signi. The final properties of geopolymer concrete is influenced by large number of factors like curing temperature, water content, alkali concentration, initial solids content, silicate and aluminate ratio, ph. With alkaline solution sodium hydroxide and sodium silicate as binders these form aluminasilicate gel. Reactivity was evaluated with chemical, mechanical and mineralogical methods. Ground granulated blastfurnace slag ggbs to bs 6699. They were tested as per indian standard specifications is. For this purpose, normal concrete having compressive strength of 34 mpa was designed using ggbfs as partial replacement of cement. The ultimate moment capacity of ggbs concrete beams with 50% ggbs is 9% less than the control concrete beam when tested at 28th day.
Pdf this paper experimentally comparing the mechanical properties between ground granulated blast furnace slag ggbs and unground blast furnace slag. Influence of ggbs on mechanical properties of high strength. Flexural behaviour of reinforced concrete beams with partial. Properties of hardened concrete with blast furnace slag. Blastfurnaces are fed with controlled mixture of ironore, coke and limestone, and operated at a temperature of about 1,500c. Ggbs ground granulated blastfurnace slag is perfect for use in concrete applications and large pours. The ggbs in these concretes confirm to the minimum characteristics specified by astm c989 for use as mineral admixture in concrete with fineness ranging from 350 to 465 m 2 kg, sio 2 from 31. Durability properties of concrete with ggbs the constructor. You can set properties that apply formatting, determine how the form field information relates to other form fields, impose limitations on what the user can enter in the form field, trigger custom scripts, and so on.
National slag nsa 1842 association glass content influence upon hydraulic potential of blast furnace slag by rene galibert it is generally admitted that blastfurnace slags have hydraulic power that depends for one part on their chemical composition and for another on their microstructure. Ggbs is replaced for cement in the level of 10%, 20%, 30%, 40%, 50% and 60%. The particle size distribution of the pozzolans is included in fig. Showings of rent ready units are being scheduled by appointment only. The study results showed that, with the increase in percentage of ggbs, the. Materials science and engineering, volume 330, international conference on recent advances in materials, mechanical and civil engineering 12 june 2017, hyderabad, india. Ground granulated blast furnace slag is the byproduct of smelting ore to purify metals. Granulated blast furnace slag is obtained by rapidly chilling quenching the molten ash from the furnace with the help of water. Thank you for your patience as we navigate through these uncertain times. Effect of ggbfs of durability properties of concrete is discussed in this article. Effect of ggbfs of durability properties of concrete is discussed in this. Updates much of the content of tr 40 th f ggbs d pfa i ttr 40, the use of ggbs and pfa in concrete tr 41, microsilica in concrete denis higgins cementitious slag makers association chairman lindon sear uk quality ash association.
Water table for this site is 6m below natural ground level. Iron ore, coke and limestone are fed into the furnace and the resulting molten slag floats above the molten iron at a temperature of about 1500oc to 1600oc. Flexural behaviour of reinforced concrete beams with. Effect of partial replacement of cement with ggbs on properties of concrete tejaswini s. Fly ash was replaced in varying percentages by bottom ash to understand the effect on compressive strength. Effect of partial replacement of cement with ggbs on.
V 2, ganapathy ramasamy 2 1assistant professor, department of civil engineering, srm university, chennai, india 2postgraduate, department of civil engineering, srm university, chennai, india received 17 june, 2017. Ggbs means the ground granulated blast furnace slag is a byproduct of the manufacturing of pig iron. The investigation showed that by replacing the ggbs upto 40%, compressive, split tensile, flexural. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Effect of addition of ground granulated blast furnace slag. According to habeeb et al published in materials research, the world produces about 649. In adobe acrobat, how a form field behaves is determined by settings in the properties dialog box for that individual field. Ground granulated blast furnace slag ggbs jsw cement. Strength and corrosion resistance properties of ggbs concrete containing quarry dust as fine aggregate.
Particle size and specific surface are important because they affect reactivity. High strength concrete incorporating ground granulated blast. The project work is to highlight the feasibility study on the utilization of ground granulated blasts furnace slag as an alternative for cement content partially and manufacturers sand as an alternative for conventional fine aggregate. V 2, ganapathy ramasamy 2 1assistant professor, department of civil engineering, srm university, chennai, india. Granulated blast furnace slag ggbs has somewhat similar properties to. Strength, economic and sustainability characteristics of coal. Durability is an important factor that must be appreciable for any structure so that it is performing for the requirement for which it is built for. These operate at a temperature of about 1500 degrees centigrade and are fed with a carefully controlled mixture of iron ore, coke and limestone. Durability of concrete is an important factor considered for structures.
Following are the durability properties of concrete with ggbfs. Ggbs dust does not present any fire or explosion hazard. Strength, economic and sustainability characteristics of. One of the alternatives to the conventional fine aggregate is sandy soil which is successfully incorporated in the present work. The curing process also affects the properties of concrete made from ordinary or blended.
Impact of metakaolin on the properties of concrete. Influence of ggbs on mechanical properties of highstrength concrete s. So incorporating this waste material in concrete can reduce the depletion of conventional concrete components such as cement, fine aggregate and coarse. Properties of materials used the physical properties and chemical composition of materials as obtained by xray fluorescence xrf is shown in. Dustproof goggles should be worn wherever there is a risk of ggbs powder or any ggbswater mixture entering the eye. Using one tonne of regen in concrete reduces the embodied co2 by around 900kg, compared to using one tonne of portland cement, and also increases its durability. Pdf influence of granulated blast furnace slag on mechanical. Pdf effect of micro silica and ggbs on compressive strength. Strength, economic and sustainability characteristics of coal ash. Regen ground granulated blast furnace slag ggbs is a cement substitute, manufactured from a byproduct of the ironmaking industry. Choose cutepdf writer as the printer in the print dialog box, and click print.
For every kg 1 ton of paddy milled, about 200kg 20% of husk is produced, and when this husk is burnt in the boilers, about 40kg 20% of rice husk ash is generated. Protective clothing should be worn which ensures that ggbs or any ggbs water mixture eg, concrete or mortar, does not come into. Introduction to ground granulated blastfurnace slag. Ggbs used in this experimental work is procured from sona alloys pvt. Use of ggbs in concrete is recognized by leed leadership in energy and environmental design and add points towards its certi. Pdf effect of micro silica and ggbs on compressive. So the replacement of cement by ggbs can be possible. Dust control is the same as that required for portland cement.
He is the author, editor and partner at theconstructor. Good control of material quality unlimited choice of replacement rate technical description. P saranya 1, praveen nagarajan 1 and a p shashikala 1. Slag has pozzolanic reaction which allows the increase of compressive strength. During this process, the slag gets fragmented and transformed into amorphous granules glass, meeting the requirement of is 12089. The target for 2020 is to reduce this figure to 71. She is an author, editor and partner at theconstructor. Portland cement, pozzalonic materials like fly ash and ggbs, rich in silica and alumina are used. Strength development characteristics of concrete produced. Pdf ground granulated blast furnace slag ggbs, due to its pozzolanic nature, could be a great. Physical properties and reactivity of pozzolans, and their. Portland cement was replaced with 40% ggbs and glenium b233 was used as superplastisizer for the casting of beams.
Influence of granulated blast furnace slag on mechanical properties. Amarnath yerramala properties of concrete with eggshell powder as cement replacemnet. Dustproof goggles should be worn wherever there is a risk of ggbs powder or any ggbs water mixture entering the eye. High strength concrete incorporating ground granulated. The physical properties of ground granulated blast furnace slag ggbfs provides advantages to. Ggbs can also be moved by airslides, cement screws and bucket elevators. Experimental investigation included testing of eight reinforced concrete beams with and without ggbs.
The production of ggbs requires less additional energy as compared with the energy needed for the production of portland cement. A number of artificial pozzolans were investigated including ground granulated blastfurnace. Concrete gets hardened with time and gains the strength, and for the best results in a construction of your dream home, mixing of concrete is. Working with ggbs concrete fresh concrete containing ggbs has better mobility characteristics, arising from the consistent fineness and particle shape of the ggbs powder, and from its slightly lower relative density. Published under licence by iop publishing ltd iop conference series.
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