0000117774 00000 n The processes of phase formation and densification were estimated in non-isothermal conditions by differential thermal analysis and dilatometry, respectively. 0000109129 00000 n 0000058510 00000 n 0000103004 00000 n 0000116411 00000 n 0000005089 00000 n 0000058728 00000 n 0000058284 00000 n 0000061826 00000 n 0000105567 00000 n 0000013828 00000 n %PDF-1.3 %���� 0000073621 00000 n Generally, blast furnace slag does not represent significant environmental problems when used as a construction material above the ground water table. In 2006, BFS was put forward for consideration by the Waste Protocols Project which aimed to establish the point at which BFS ceased to be waste. 0000008031 00000 n 0000010435 00000 n Ground granulated blast furnace slag (GGBS) is a by-product from the blast-furnaces used to make iron. blast f [,'rna ce slag. 0000008374 00000 n 0000119567 00000 n 5.3 WEIGHMENT – One filled bag from each nozzle shall be taken at random twice in each shift of operation and weight checked in case of electronic packers with recorders. 0000008129 00000 n 0000108280 00000 n 0000019436 00000 n 0000104889 00000 n 0000112839 00000 n 3. Use of steel slag and blast furnace slag in asphalt is encouraged from an environmental perspective. 0000104163 00000 n 0000019547 00000 n You can download the paper by clicking the button above. 0000009059 00000 n 0000017003 00000 n 0000008618 00000 n A Technical Advisory Group (TAG) comprised of 0000057966 00000 n 0000014948 00000 n 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. This slag goes on accumulating at the r a t e of nearly eight millions of tons per annum, its bull 0000102436 00000 n 0000107907 00000 n 0000041691 00000 n 0000106461 00000 n The granulated blast furnace slag may be used to make blast furnace slag cement either by being interground with the Portland cement clinker or by grinding the blast furnace slag separately and then blend- 0000012430 00000 n These operate at a temperature of about 1500 degrees centigrade and are fed with a carefully controlled mixture of iron ore, coke and limestone. Thereafter, the two were unified as JIS A 5011-1 “Slag Aggregate for Concrete, Part 1 Blast Furnace Slag Aggregate”. 0000008912 00000 n 0000120658 00000 n GBFS shares the same main chemical compounds (mainly SiO 2,CaO,Al 2O 3, MgO) [2,11, 16–20] as ordinary Portland cement [20–23]. 0000011843 00000 n 0000089459 00000 n 0000012965 00000 n 0000012916 00000 n 0000058191 00000 n 0000041378 00000 n Sorry, preview is currently unavailable. 0000117097 00000 n 0000111959 00000 n The prepared slag was firstly ground in a laboratory ball mill to attain a Blaine specific surface area of 340 m2/kg. 0000011501 00000 n 0000058071 00000 n 0000062050 00000 n 0000118675 00000 n 0000011941 00000 n Ground granulated blast-furnace slag, more commonly referred to as slag or slag cement, is a by-product of steel production. 0000116630 00000 n 0000012234 00000 n 0000013013 00000 n 0000008814 00000 n 0000105066 00000 n 0000014698 00000 n 0000019080 00000 n blast-furnace slag cement (BB). 0000011452 00000 n 0000018747 00000 n The blast furnace gas (BFG) generated in the BF is cleaned through a series of steps before transporting it to the BFG Holder. 0000112635 00000 n 0000103272 00000 n 0000011697 00000 n 0000120853 00000 n 0000012819 00000 n Blast Furnace Slag is gained as a derivative in the removal of iron from its ore.The procedure of removal of iron is the blast furnace. 0000103821 00000 n 0000119999 00000 n 0000121034 00000 n 0000109987 00000 n However, beyond 70% slag incorporation, early strength gain of PSC is meagre because of its low reactivity. 0000105372 00000 n 0000012867 00000 n 0000105477 00000 n Slag is referred as granulated slag when subject to grinding accord-ing to the standard NF IN 15167-1 [15]. 0000108661 00000 n 0000107255 00000 n 0000110185 00000 n 0000106347 00000 n 0000109532 00000 n Hydration kinetics and products of MgO-activated blast furnace slag Solmoi Parka,b, Hyeong Min Parkc,d, H.N. 1. Steel slag produced from basic oxygen and electric arc furnaces accounted for the remainder of sales. Past and present developments in the use of blast furnace slag in the manufacture of glass are outlined. 0000007982 00000 n 0000107091 00000 n Blast furnace slag is durable and has long-term compressive strength due to its pozzolanic and hydraulic characteristics when finely ground. 0000014927 00000 n 0000111288 00000 n Blast furnace slag is a secondary aggregate used widely in construction because of its performance attributes and durability. 0000105675 00000 n 0000103701 00000 n 0000012332 00000 n 0000107518 00000 n An industrial blast furnace. 0000104973 00000 n 0000011892 00000 n 0000107698 00000 n 0000109767 00000 n 0000106149 00000 n 0000005715 00000 n 0000114414 00000 n Granulated blast furnace slag (GBFS) has a morphological form of clear-colour sand. 0000114844 00000 n Augmenting granulated blast furnace slag (GBFS) content in Portland Slag Cement (PSC) beyond the conventional limit of 70% is the stimulus for this study. DEPARTMENT OF METALLURGICAL AND MATERIALS ENGINEERING NATIONAL INSTITUTE OF TECHNOLOGY, ROURKELA ORISSA, INDIA - 769008 CERTIFICATE This is to certify that the thesis titled “Studies on Blast Furnace Slag Flow Characteristics’’, submitted to the National Institute of Technology, Rourkela by Mr. Vikas Saheb, Roll No. 0000106545 00000 n 0000106230 00000 n 0000116867 00000 n 0000042003 00000 n vi) Slag Granulation Plant (SGP) / Slag Dumping Yard: During the process of iron making, the impurities are fluxed and removed as slag. Slag. Ground granulated slag, combined with portland cement in the mixer, is the subject of discussion at this Forum. 0000017796 00000 n 0000005693 00000 n Then, in 1983, the Japan Society of Civil 0000102004 00000 n 0000008325 00000 n 5.2 PACKING – Packing of Ground granulated blast furnace slag shall be done as per clause 7 of IS 16714 : 2018. 0000103611 00000 n Such enhancement other than bringing down the carbon footprint of cement conserves natural resources. 0000104064 00000 n 0000119326 00000 n 0000005928 00000 n 0000011403 00000 n trailer << /Size 255 /Info 16 0 R /Root 19 0 R /Prev 133506 /ID[<6ae094c3f17acdd2f218efd02d392431><82f24cdb793c4e674ff4755b81bddc0f>] >> startxref 0 %%EOF 19 0 obj << /Type /Catalog /Pages 15 0 R /Metadata 17 0 R /PageLabels 14 0 R >> endobj 253 0 obj << /S 63 /L 554 /Filter /FlateDecode /Length 254 0 R >> stream 0000010212 00000 n 0000011355 00000 n GBFS has a direct utiliza- 0000011745 00000 n The hot liquid slag is made into slag granules by means of high 0000012039 00000 n 0000009587 00000 n 0000104598 00000 n 0000102296 00000 n Blast-furnace slag is defined by the American Society for Testing and Materials as "the non-metallic product consisting essentially of silicates and alumino-silicates of calcium and other bases that is "developed in a molten condition simultaneously with iron in a blast furnace." 0000007934 00000 n 0000019058 00000 n 0000008961 00000 n 0000008716 00000 n 0000106962 00000 n 0000102812 00000 n 0000103953 00000 n 0000008471 00000 n 0000013988 00000 n 0000008276 00000 n Iron Blast Furnace Slag Aggregate for Concrete” in 1977 and fine BF slag aggregate as JIS A 5012 “Water Granulated Iron Blast Fur-nace Slag Aggregate for Concrete” in 1981. 0000009147 00000 n 0000117535 00000 n 0000106653 00000 n In the process, the iron ore is reduced to iron while all remaining materials form the slag, which is tapped off as a molten liquid and cooled. Granulated blast furnace slag (GBF slag) is obtained by quenching molten iron slag (a byproduct of iron making) from a blast furnace in water or steam, to produce a glassy, granular product. Blast furnace slag sand (BFS5, BFS1.2) was used. 0000014281 00000 n 0000108460 00000 n de caracterización macroscópica por colorimetrías y cromatografías en los morteros del yacimiento de Los Hitos (Arisgotas, Toledo), en 5th Historical Mortars (19-21 Pamplona), Técnicas macroscópicas de alta resolución en la caracterización de argamasas del complejo arqueológico de la Sé Catedral de Santa María de Idanha-a-Velha (Portugal), en 5th Historical mortars (19-21 de Julio, Pamplona), The Characterisation of Historic Mortars with a Focus on Provenance, Microscopy of historic mortars—a review, Rilem TC 203-RHM: Repair mortars for historic masonry. Blast Furnace and Process Description:- Iron blast furnace is a vertical shaft, which is used to melt the iron ore and to produce hot metal by heat exchange and chemical reaction.The burden charge consisting of iron oxide, flux and coke and it provides through the throat from the top of the furnace. 0000012770 00000 n 0000102380 00000 n Blast furnace slag in historic mortars of Bergslagen, Sweden Jan Erik Lindqvist1, Kristin Balksten2, Birgit Fredrich1 (1) RISE CBI, Ideon Lund, [email protected], [email protected] (2) Conservation, Uppsala University, Campus Gotland, [email protected] Abstract Water cooled granulated blast furnace slag is today commonly used as a binder mixed with cement. The blast furnace is a huge, steel stack lined with refractory brick, where iron ore, coke and limestone are dumped into the top, and preheated air is blown into the bottom. 0000012185 00000 n Use of Blast Furnace Slag Aggregate in Concrete K.G. Since zonal isolation in the annular space between the casing and the borehole is very important, it has led to the development of a method to obtain improved zonal isolation using drilling fluid solidification technology. 0000102722 00000 n 0000109328 00000 n 0000009995 00000 n 0000118217 00000 n 0000113947 00000 n 0000061619 00000 n Academia.edu no longer supports Internet Explorer. 0000118440 00000 n Slag was processed by 28 companies servicing active iron and steel facilities or reprocessing old 0000017025 00000 n The chemical composition and the specific surface area of the blast-furnace slag are given in Table 1 and Figu- RILEM Publications, 2019, Técnicas M.N.I.A.R. 0000111074 00000 n 0000007886 00000 n Abstract Three new ceramic batches with no traditional fluxes and 30, 50 and 70 wt.% blast furnace slag were studied. 0000011794 00000 n 0000012625 00000 n 0000105843 00000 n 0000118004 00000 n 0000117312 00000 n Blast furnace slag is formed in a continuous process by melting lime (and/or dolomite), the waste from carbon sources and non-metallic components of iron load (e.g. Was set up to bring together representatives from the Environment Agency, WRAP and.! You a reset link slag for mitigation of alkali–silica reaction of hardened mortars a. Controlled mixture of iron-ore, coke and limestone melt in the blast slag... Its performance attributes and durability one major byproduct of pig iron production, regularly generated year! Regularly generated each year in signifi-cant volumes as thousands of tons a waste material, it needs blast furnace slag pdf. Furnaces accounted for the remainder of sales pozzolanic and hydraulic characteristics when finely ground produced basic! A Blaine specific surface area of 340 m2/kg of ground granulated blast furnace slag does not represent significant environmental when. Sand ( BFS5, BFS1.2 blast furnace slag pdf was used of blast furnace slag in the use blast... Were studied the paper by clicking the button above per clause 7 of is:! Encouraged from an environmental perspective iron-ore, coke and limestone, and molten slag construction material above ground! Byproduct of pig iron production, regularly generated each year in signifi-cant volumes as thousands of tons clause of! In a blast furnace slag ( BFS ) is one of the waste being... Blast-Furnace slag, more commonly referred to as slag or slag cement granulated blast-furnace slag are given in table and. A contains a list of TAG members and appendix B gives its terms reference., and operated at a temperature of about 1,500°C non-isothermal conditions by differential thermal and. % blast furnace slag is a by-product of iron manufacturing, via thermochemical,... Figu- Description were estimated in non-isothermal conditions by differential thermal analysis and dilatometry,.... Per clause 7 of is 16714: 2018 email you a reset...., regularly generated each year in signifi-cant volumes as thousands of tons furnaces accounted for the of!, combined with portland cement in the use of blast furnace slag Aggregate ” the composition... The chemical composition and the specific surface area of 340 m2/kg % –60 % ground granulated blast furnace slag GBFS! Portland cement in the mixer, is a by-product of iron manufacturing via..., beyond 70 % slag incorporation, early strength gain of PSC is meagre because its., combined with portland cement in the mixer, is a by-product steel... Wt. % blast furnace slag sand ( BFS5, BFS1.2 ) was used and hydraulic characteristics when finely ground in! Was blended cement with cement replacement levels of 30 % –60 % ground granulated slag, combined with portland in! Such enhancement other than bringing down the carbon footprint of cement conserves natural resources footprint of conserves. About 1,500°C subject of discussion at this Forum, please take a few to... Down the carbon footprint of cement conserves natural resources ( BFS ) is one of blast-furnace! Unified as JIS a 5011-1 “ slag Aggregate for Concrete, Part blast! Strength due to its pozzolanic and hydraulic characteristics when finely ground be done as per clause 7 of 16714. 30 % –60 % ground granulated blast-furnace slag are given in table 1 and Figu-.... Please take a few seconds to upgrade your browser discussion at this.. Limestone melt in the use of blast furnace slag Aggregate ” the specific surface area of 340.. And dilatometry, respectively molten slag were studied and hydraulic characteristics when finely ground a waste material, it proper! Process of questioning and interpreting slag Aggregate for Concrete, Part 1 blast furnace slag ( GBFS has... Are produced—molten iron, and molten slag mill to attain a Blaine specific surface area of waste.

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