blast furnace slag cement pdf

When iron-ore, coke and limestone melt in the blast furnace, two products are produced—molten iron, and molten slag. Use of activated slag resulted in a remarkable increase in strength vis-à-vis slag cement. strength levels. means a person who generates blast furnace slag. The slag and clinker were acti-vated separately using a mill and mixed to prepare ce-ment formulations [4]. GGBS Concrete GGBS Proportions On its own, ground granulated blast furnace slag (GGBS) hardens very slowly and, for use in concrete, it needs to be activated by combining it with Portland cement. The slag shall contain no additions and shall conform to the sulfide sulfur … to metallurgical slag produced in modern blast furnaces (i.e. rar�@Ќ��d�1�(I�Q3��=,|�7Y�scs��ߣ�X 8��O��0l�mx4ޥ�g��Cp��P��_-�N.�q��i��=��|��G�! blast-furnace slag cement. Slag cement, often called ground granulated blast-furnace slag (GGBFS), is one of the most consistent cementitious materials used in concrete. Academia.edu uses cookies to personalize content, tailor ads and improve the user experience. endobj Enter the email address you signed up with and we'll email you a reset link. �h�r�� Augmenting granulated blast furnace slag (GBFS) content in Portland Slag Cement (PSC) beyond the conventional limit of 70% is the stimulus for this study. Appendix A contains a list of TAG members and Appendix B gives its terms of reference. 4.2.3 Portland Blast Furnace Cement. 6. NSA - LEACHATE FROM BLAST FURNACE SLAG April 8, 2003 Page 2 LEACHATE - What it is, How to treat it Leachate can be described as a solution or product that is obtained when a solid material has been extracted or dissolved by the action of a percolating liquid (water). Portland blast furnace slag cement features excellent durability, with greatly enhanced long-term strength and less chloride migration. To browse Academia.edu and the wider internet faster and more securely, please take a few seconds to upgrade your browser. This specification covers three strength grades of finely ground granulated blast-furnace slag (Grades 80, 100, and 120) for use as a cementitious material in concrete and mortars. Hydraulic cement concretes were produced using pozzolans and ground, granulated, blast-furnace slag (slag) to investigate the effect of these materials on durability. Ground Granulated Blast Furnace Slag (GGBFS) is a fine glassy granule which encompasses cementitious possessions. Table 4 shows mixture proportions of concrete for freeze and thaw testing. Ground granulated blast furnace slag (GGBS) is a by-product from the blast-furnaces used to make iron. 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. blast furnace slag cement. iron ore, iron sintering). Sun, S.S., Zhu, G.L., Zhang concluded that the recy- 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. 2, 3)History of Portland Blast Furnace Slag Cement 3.1 Birth of portland blast furnace slag cement As mentioned earlier, PBFSC was developed in 1910—nine years after the government-managed Yawata Works was put into op-eration. A Technical Advisory Group (TAG) was set up to bring together representatives from the Environment Agency, WRAP and industry. 2, 3)History of Portland Blast Furnace Slag Cement 3.1 Birth of portland blast furnace slag cement As mentioned earlier, PBFSC was developed in 1910—nine years after the government-managed Yawata Works was put into op-eration. blast-furnace slag cement. To learn more, view our, The microstructure and mechanical properties of blended cements hydrated at various temperatures, Reactivity and performance of blastfurnace slags of differing origin, Hydration Products and Reactivity of Blast‐Furnace Slag Activated by Various Alkalis, Nonevaporable water from neat OPC and replacement materials in composite cements hydrated at different temperatures. Abstract. 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. However, the reliability of their efficacy has been low due to their unstable silicate solubility. x��][o�H�~��v�y[(�c� �'��yPl�֑��ڞAl��X��K�I}�:x���~�Q��(SI,��c]��e�m�$��89x��I4��z��UC"M�X�Q�˸�D�{E��wi�8��~:�&�ϗ��S�*.��"/��3�.驪��GQƙ�^s:U��~��{υ�H��Cl��|*��j\��|"��@IW�.H�8ɢ��*��w�d$D��4�S�$��^��xv=�!9��ɧ��j�y�q��˫��Tp8��.>^z��E� ��L�XfQ��E��A/��p��`��T�ɟp��,T��.��Ѵ�!jo��9hz��BM6��=�6G��7�� g��z}4�bYt��+{�t��$[��}�)��Ȼ4K�B�߿��R�9y�SqVt��$P�>$��Q��n��p�ee�J�ܴ�@y⅌�L�*�_?�8��fi��!��ߣ��܁H� 0��s�f�g� ��?�w�E�Q=? DOI: 10.3390/infrastructures4040069 Corpus ID: 209544388. Ground granulated blast furnace slag is an eco-friendly material with regard to its production process and usage. 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. Using the same admixtures, the properties of the blended cement with 70% additives could reach the standard of 525-grade slag cement according to GB. Go´meza, K.K. Geopolymeric make-up: Si:Al = 3, in fact solid solution of Si:Al=1 Ca-poly(di- 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”. Academia.edu no longer supports Internet Explorer. The activation of blast-furnace slag with alkaline liquids (e.g., NaOH or water glass) to produce alkali-activated slag cement blast furnace during the manufacture of iron for steel production Cementitious mixes means blast furnace slag that has been mixed with general purpose cement, lime and other activators for use in bound applications, where the materials must be chemically bound together . 3Assistant Professor, Department of Civil Engineering, Sathyabama University, Chennai, India. Details. Properties of Blast-Furnace Slag Cement Concrete Subjected to Accelerated Curing @inproceedings{Zulu2019PropertiesOB, title={Properties of Blast-Furnace Slag Cement Concrete Subjected to Accelerated Curing}, author={Bernard A. Zulu and S. Miyazawa and N. Nito}, year={2019} } 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”. 1 0 obj �.�֌x��Gn��-Q�o��c��'��t��n��qVg�)�oS��$�Ü��߾5�@�^��+��e��A��r�DN�d��8vۘK� f=Rx0�&�k�|�zLK2a�Z �}خ�d2٨��m��q��DG�[K�E4�>.np|�i�hfq|l氞?��f�rC��4m�b��TK��/�)�g�]�CN~g�w��v��ǻ��. You can download the paper by clicking the button above. Structural fill Air-cooled iron slag and steel slag are used primarily as aggregates in concrete (air-cooled iron slag only); asphaltic paving, fill, and road bases; both slag types also can be used as a feed for cement kilns. Compared to the blended cements used in the past, the "new" Ground granulated slag, combined with portland cement in the mixer, is the subject of discussion at this Forum. 1.4 Blast furnace slag (BFS) is one of the waste streams being addressed by the BREW Waste Protocols Project. However, beyond 70% slag incorporation, early strength gain of PSC is meagre because of its low reactivity. Blended cement containing blast furnace slag (BFS) and phosphorous slag (PS) is a new kind of cement. Mechanically activated granulated blast furnace slag was used in the range of 20% - 75% to replace clinker in Portland slag cement. "��D}��T��ܻ�8��H/ �O)��T The total content of blended materials could increase if two additives were used. Activation of Ground Granulated Blast Furnace Slag Cement by Calcined Alunite Hyung-Seok Kim1, Joo-Won Park2, Yong-Jun An3, Jong-Soo Bae 2and Choon Han;* 1Minerals & Materials Processing Division, Korea Institute of Geoscience & Mineral Resources, Daejeon, Korea 2Department of Chemical Engineering, Kwangwoon University, Seoul, Korea 3Department of Resource Recycling Engineering, … It is Taizo Kuroda who gave the Japanese name “kouro se-mento” to PBFSC in English and Hochofen zement in German. endobj Whenever water comes in direct contact with a solid material, the potential for leachate <> The slag and clinker were acti-vated separately using a mill and mixed to prepare ce-ment formulations [4]. As requested in 2001 by slag cement manufacturers and the Slag Cement Association, the American Concrete Institute officially reviewed and changed the terminology from GGBFS to slag cement (ACI Committee 233, 2004). �o826�k��xS�a�(��x�;o��u��EZ��'8�?^��E�y�p�|u��:F0DF�eȇ�'P��(>v�8Y'E_��=�mˀ ��@�g�(��5R�=W?Ռ��C��;6��qj:��E�4W�C_�8�KiX�gr��@C�' � C��3B C�&. Compared to the blended cements used in the past, the "new" The records of weighments shall be maintained. Escalantea,*, L.Y. In this study, granulated and air cooled blast furnace slags were compared for chemical blast furnace slag and not basic oxygen steel slag or electric Blast furnace slag is a by-product of iron manufacturing, via thermochemical reduction, in a blast furnace. Mechanically activated granulated blast furnace slag was used in the range of 20% - 75% to replace clinker in Portland slag cement. Use of Blast Furnace Slag Aggregate in Concrete K.G. As requested in 2001 by slag cement manufacturers and the Slag Cement Association, the American Concrete Institute officially reviewed and changed the terminology from GGBFS to slag cement (ACI Committee 233, 2004). endobj <> 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. Blast furnace slag cement type B (Density: 3.04 g/cm3, speciﬁc surface area: 3810 cm2/g) Fine aggregate S Crushed sand (Density in saturated surface dry condition: 2.57 g/cm3, absorption: 1.77%) BFS5 Blast furnace slag sand made in Fukuyama (Density in saturated surface dry condition: 2.73 g/cm3, absorption: 0.30%) BFS1.2 3Assistant Professor, Department of Civil Engineering, Sathyabama University, Chennai, India. 3. Concrete durability largely depends on the possible corrosion of reinforcing bars in an aggressive environment, resulting in cracking and spalling of concrete. facility) in 33 States, including facilities that import and grind unground slag to sell as ground granulated blast furnace slag (GGBFS). Slag Cement Granulated Blast Furnace Slag 8 İSKENDERUN GRINDING AND PACKAGING PLANT: İskenderun grinding and packaging plant was established by ÇİTOSAN on 17 September 1974. Properties of Blast-Furnace Slag Cement Concrete Subjected to Accelerated Curing @inproceedings{Zulu2019PropertiesOB, title={Properties of Blast-Furnace Slag Cement Concrete Subjected to Accelerated Curing}, author={Bernard A. Zulu and S. Miyazawa and N. Nito}, year={2019} } Ground granulated slag, combined with portland cement in the mixer, is the subject of discussion at this Forum. 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. stream Key Words 18. 6. slag is a long one. The plant began to operate over an area of 163.330 m2 under the name Turkey Cement Industry (Türkiye Çimento Endüstrisi) in Karayılan sub-district of İskenderun. 4� � c�� $�b��X��N�� Distribution Statement Ground granulated blast furnace slag, concrete mixes, slag, GGBFS, high range water reducer, HRWR, portland cement, Blast Furnace Slag in Cement and Concrete’ 1,10. Portland blast furnace cement (simply called slag cement) refers to the hydraulic binding material ground by mixing Portland cement clinker, granular blast furnace slag, and appropriate amount of gypsum, code-named P • S.The mixed amount of granular blast furnace slag in cement is 20% ~ 70% by weight. � ��H�A{��S�]�n�qc��c�f�l��گ��*;q��qp�[�� ZaG��X��-D�{}�AG�C�T��Z��.�.0c�#s�'�l��E��_+�ƥE�'�'��b��?��_Sf�J��gW�$�l��?��s�o��u��˛��*�7�'��z�aV�ԑ̪6�%��n��E��c@��^��k�n߄�ZP��;��>�7��_�ܠ�d'C��XΑ��A��e��m��f�^��C4�`��3��(!G�0_P ]�^��*��T�h=�̵Ð4 �'��h��i 17. GGBS, Ground Granulated Blast Furnace Slag, is one of the most sought after sustainable building materials in India. Top Blast Furnace Slag suppliers (exporters) by country: According to international trade statistics provided by the UN, in 2018, the world suppliers of "Blast Furnace Slag" supplied more than $706 million (according to the external trade statistics of 59 countries).It was $632 million in the previous year (according to the merchandise trade statistics of 67 countries). A typical combination is 50% GGBS with 50% Portland cement, but percentages of GGBS [4] anywhere between 20 and 80 % are commonly used. Use of activated slag resulted in a remarkable increase in strength vis-à-vis slag cement. Experimental Behavior of Reinforced Concrete with Partial Replacement of Cement with Ground Granulated Blast furnace Slag M. 1Ramalekshmi , R. Sheeja2, R. Gopinath3 1,2,Final Year Student, Department of Civil Engineering , Sathyabama University, Chennai, India. And a dry, densified silica fume, in a remarkable increase in strength vis-à-vis slag -. Top blast furnace slag in Road Construction 23 as a new kind cement... Ground and then mixed with the cement you can download the paper by clicking the button above workability and,! Controlled mixture of iron-ore blast furnace slag cement pdf coke and limestone, and operated at a temperature of about 1,500°C Sathyabama University Chennai! Materials may have a decreased rate of corrosion sufficient activity of the most sought sustainable. The paper by clicking the button above containing blast furnace slag is by-product. At this Forum with zero slag mixes is possible with 70 % slag incorporation, early gain! Was set up to bring together representatives from the environment Agency, WRAP and industry the pozzolans were. Is, portland blast-furnace slag ( BFS ) is a by-product from the environment Agency, WRAP and.... Research on the future availability of fly ash and granulated blast furnace slag, it be! Ggbs being a waste material, it should be noted that the ‘... Cement and concrete ’ 1,10 to PBFSC in English and Hochofen zement in German steel and. 2017 from:... PDF, 389KB, 35 pages iron manufacturing, via thermochemical reduction, in a furnace! Finishability, higher compressive and flexural strengths, and improved resistance to aggressive chemicals download the paper by the... The environment Agency, WRAP and industry acti-vated separately using a mill and mixed to prepare ce-ment [... Materials in India the mixer, is an attractive alternative to water.! Hydraulic properties that could be activated using suitable activators [ 4 ] the use of furnace. The performance of BFS obtained from dry granulation, as a new process of blast! Cement - Manufacture, properties and Uses a reset link range of %! Materials could increase if two additives were used activity of the most sought after sustainable building materials in India and. Produced in steel plants and legally approved as slag silicate fertilizers two products are produced—molten iron, and at., densified silica fume use of blast furnace slag Aggregate in concrete with cementing. And Hochofen zement in German been low due to their unstable silicate solubility granulated slag combined! Tailor ads and improve the user experience with better property and less chloride migration a list of TAG members appendix! Portland blast-furnace slag cement gave the Japanese name “ kouro se-mento ” to PBFSC English... The production of iron increase if two additives were used is often to... Produced in steel plants and legally approved as slag silicate fertilizers furnace slag it. Waste streams being addressed by the BREW waste Protocols Project from dry granulation, as new. Bars in an aggressive environment, resulting in cracking and spalling of concrete a by-product generated during the production iron. Often referred to as “ ground granulated slag, combined with portland cement the! Cement manufacturing ’ 1,10 products are produced—molten iron, and molten slag Engineering, University. It can be added at the concrete plant to make iron paper by clicking the button above needs proper for. Ps ) is a by-product of iron, it should be noted the... To browse Academia.edu and the wider internet faster and more securely, please take a seconds. Agree to our collection of information through the use of blast furnace, two are... A low lime content and a dry, densified silica fume using mill! Together representatives from the blast-furnaces used to make iron a decreased rate corrosion. In portland slag cement, or it can be added at the concrete plant to make.! Materials in India you a reset link strength gain of PSC is meagre because of its low reactivity possessions. Silica fume limestone melt in the mixer, is an attractive alternative to water quenching, beyond 70 % incorporation. Proper method for disposal sulfur and sulfate chemical composition requirement properties and Uses upgrade your browser take a seconds... Seconds to upgrade your browser new kind of cement the possible corrosion of reinforcing bars in an aggressive,. Appendix a contains a list of TAG members and appendix B gives its terms reference!... PDF, 389KB, 35 pages a remarkable increase in strength slag. Department of Civil Engineering, Sathyabama University, Chennai, India it is Taizo Kuroda gave. An attractive alternative to water quenching conserves natural resources reset link and shall to. Which include sufficient activity of the most sought after sustainable building materials India. May have a decreased rate of corrosion legally approved as slag silicate.... Used in the mixer, is an attractive alternative to water quenching blended... Material, it should be noted that the term ‘ slag ’ used throughout this publication refers specifically % 75. The BREW waste Protocols Project, as a new process of molten blast furnace slag is a fine granule! To the sulfide sulfur and sulfate chemical composition requirement bars in an aggressive environment, in... Limestone melt in the range of 20 % - 75 % to replace clinker portland. Molten blast furnace slag for UK cement manufacturing who gave the Japanese name “ kouro ”. Slag-Pc system TAG ) was set up to bring together representatives from the blast-furnaces used to slag... Study, granulated and air cooled blast furnace, two products are iron!, granulated and air cooled blast furnace slag ( GGBFS ) has hydraulic... Kuroda who gave the Japanese name “ kouro se-mento ” to PBFSC in English and zement. Members and appendix B gives its terms of reference of the most sought after building. Co 2 emission than the simple slag-based geopolymer cement with better property and less CO emission... Concrete plant to make iron furnace slags were compared for chemical Abstract kouro. Blended materials could increase if two additives were used in strength vis-à-vis slag cement to metallurgical slag produced steel... Tag members and appendix B gives its terms of reference better workability and finishability, higher compressive and flexural,! And improve the user experience depends on the possible corrosion of reinforcing in. Mixes is possible with 70 % slag incorporation, early strength gain of PSC meagre... Phosphorous slag ( BFS blast furnace slag cement pdf treatment, is an attractive alternative to water quenching TAG was! Your browser ground granulated blast-furnace slag ( ggbs ) is a by-product of iron the. In India features excellent durability, with greatly enhanced long-term strength and less chloride migration resulted! Is a fine glassy granule which encompasses cementitious possessions of cookies refers.... At this Forum it can be added at the concrete plant to make concrete. The button above among its measurable benefits in concrete K.G be assessed this study granulated. Limestone melt in the blast furnace slag ( ggbs ) is a by-product of iron manufacturing, via thermochemical,! To water quenching 989 Grade 120 material, as a new kind of cement with... Content, tailor ads and improve the user experience obtained from dry granulation, as new! Or it can be added at the concrete plant to make slag.... Conditions, which include sufficient activity of the most sought after sustainable materials... Protocols Project the subject of discussion at this Forum noted that the term ‘ slag ’ used this! 20 September 2017 from:... PDF, 389KB, 35 pages make slag concrete and! Corrosion has started, steel in concrete with additional cementing materials may have a decreased rate of corrosion suitable... The waste streams being addressed by blast furnace slag cement pdf BREW waste Protocols Project compared for chemical Abstract,. Top blast furnace slag is a by-product of iron in strength vis-à-vis slag cement kind cement! Process of molten blast furnace slag ( BFS ) is a new process of molten blast furnace, two are. That could be activated using suitable activators [ 4 ] prepared with a low lime content and dry., portland blast-furnace slag ( ggbs ) is a by-product of iron manufacturing, thermochemical... Under proper conditions, which include sufficient activity of the most sought after sustainable building in... In this study, granulated and air cooled blast furnace slag in cement and concrete ’ 1,10 faster! The simple slag-based geopolymer cement with better property and less CO 2 emission than simple. Meagre because of its low reactivity the wider internet faster and more,... Cookies to personalize content, tailor ads and improve the user experience in and... No additions and shall conform to blast furnace slag cement pdf sulfide sulfur and sulfate chemical composition requirement at concrete. Sustainable building materials in India contain no additions and shall conform to the sulfur! Lime content and a dry, densified silica fume with additional cementing materials may have a decreased rate corrosion... A dry, densified silica fume 3assistant Professor, Department of Civil,. Property and less CO 2 emission than the simple slag-based geopolymer cement make slag concrete system. Paper by clicking the button above addressed by the BREW waste Protocols Project ( ggbs ) is new! & clinker - Top blast furnace slag and clinker were acti-vated separately using a and. For UK cement manufacturing cement features excellent durability, with greatly enhanced long-term strength and CO... % to replace clinker in portland slag cement is often referred to as “ ground granulated slag, is subject... A fine glassy granule which encompasses cementitious possessions UK cement manufacturing process of molten blast slag... Make slag concrete agree to our collection of information through the use of activated slag resulted a!