PDF 2020 10 13 BLAST FURNACE SLAG USAGE AND GUIDANCE FOR INDIANA Introduction INDOT permits the use of air cooled blast furnace slag ACBFS as a conventional aggregate The material can be used in granular base hot mix asphalt Portland cement concrete embankments and fill applications ACBFS has been used in unbound applica
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Slag Bound Material SBM BSEN 14227 2 Flushing SBM uses the hydraulic combination of granulated blast furnace slag and air cooled steel slag/concrete It is widely used in the construction of highways where thickness and strength are required.
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Air cooled slag which is allowed to solidify slowly in ladles or pits is by far the most abundant and is a grey compact rock like material which is almost wholly crystalline More than 80 per cent of the UK production of air cooled slag is consumed in road aggregate uses other than concrete.
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2021 6 22 The air cooled slag aggregates provided the necessary physical and chemical properties and presented no environmental issues Furthermore the slump and air content of concrete made with the aggregates met the target values The slump decreased and the air content increased with increasing amounts of air cooled slag aggregate.
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The 2015 recovery quantities for blast furnace slag are shown in Fig 15 Granulated slag makes up 86 of which almost the entire amount is used in the cement industry The fields of application of the air cooled slag are mainly in road construction and other uses in the construction industry 4 Trends in slag recycling
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PDF 2017 1 24 Chapter 6 Uses of slag cement in concrete and mortar p 233R 15 6.1 Introduction 6.2 Ready mixed concrete 6.3 Concrete products 6.4 Mortars and grouts Chapter 7 References p 233R 15 7.1 Referenced standards and reports air cooled blast furnace sla
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Slag cement is commonly found in ready mixed concrete precast concrete masonry soil cement and high temperature resistant building products While there are many applications and benefits of slag cement a few are highlighted below and detailed information sheets are located here.
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2007 12 7 Air cooled slag is suitable as an aggregate in concrete A comparison of the compressive strengths of concrete made with blast furnace slag aggregate and that with gravel and crushed limestone shows that slag concrete is stronger Slag fines may be used as a substitute for sand without any deleterious effect.
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Use of Blast Furnace Slag as an Alternative of Natural Sand in Mortar and Concrete 1 Air cooled blastfurnace slag is the material resulting from solidification of molten blastfurnace slag under atmospheric conditions subsequent cooling may be accelerated by application of water to the solidified surface 2.
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2012 7 14 Read Effect of crushed air cooled blast furnace slag on mechanical properties of concrete Journal of Wuhan University of Technology Mater Sci Ed on DeepDyve the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
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In Air Cooled Blast Furnace Slag as Coarse Aggregate in Concrete you ll learn How ACBFS aggregate is produced including some of the important chemical and physical properties of the material Key design considerations for concrete pavements that will be constructed using ACBFS aggregate
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PDF 2021 8 9 manner similar to portland cement However air cooled slag does not have the hydraulic properties of water cooled slag Granulated blast furnace slag was first developed in Germany in 1853 Malhotra 1996 Ground slag has been used as a cementitious material in concrete since the begin ning of the 1900s Abrams 1925 Ground granulated blast
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Downloadable In this work the effects of replacing the aggregates of self compacting concrete by air cooled blast furnace slag have been analysed Different mixes have been manufactured by substituting the fine and coarse natural aggregates by air cooled blast furnace slag The fracture energy and the tensile and compressive strength have been determined for each mix.
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PDF 2019 7 12 60 and 75 in mortar and concrete respectively KEYWORDS Concrete Natural sand Blast furnace slag compressive strength I.INTRODUCTION Aggregate is the main constituent of concrete occupying more than 70 of the concrete matrix The global consumption of natural sand is very high due to the extensive use of concrete.
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PDF 2018 10 1 air cooled slag After crushing and screening it could be used as aggregate for asphalt pavement road bases concrete railway ballast embankment and mineral wool 3 7 8 The asphalt mixtures containing air cooled blast furnace slag aggregate have good binding property impermeability to
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PDF 2017 12 4 air cooled slag aggregate has not been widely considered for use as a concrete coarse aggregate and is mainly utilized as a roadbed filling materials 5 However a new process for porosity reduction in air cooled slag aggregate has been recently developed in which the molten slag is solidified to a plate thickness of 20 30mm in a period of
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PDF 2018 8 24 AIR COOLED SLAG Blast furnace slag is allowed to slowly cool by ambient air is processed through a screening and crushing plant and is processed into many sizes for use primarily as a construction aggregate Common uses are as aggregates in ready mix concrete precast concrete hot mix asphalt aggregate septic drain fields and pipe backfill.
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PDF 2018 6 27 Slag for use in Concrete and Mortars though this has now been superceded by ASTM C 989 C 989M 1613 This material contrasts with the air cooled slag which is a more massive material and GROUND SLAG PROPERTIES CHARACTERISATION AND USES GGBFS
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Most concrete which is made with slag becomes light grey or white after a few hours after which the concrete surface is exposed to direct sunlight and air If greening is occurring it generally appears after a week of concrete placement and disappears within a few days after oxidation begins Surfaces where greening is showing will settle
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2021 9 15 Air content of structural lightweight concrete must be closely monitored and controlled to ensure that the density requirements are being achieved Testing for air content must be according to the volumetric method ASTM C 173 or calculated using the gravimetric method described in ASTM C 138 Virtually all lightweight concrete is air entrained.
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PDF 2017 8 29 w I 4 TABLE1 GradationandUnitWeightofAggregates CoarseAggregates 1 PercentPassingSieves Weight Sizeofopening in 1.5 1.0.75.50 .25 187cu.ft Nat lSlagCompany
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2021 1 29 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 Once the slag has been cooled and ground to a usable fineness it is stored and shipped to suppliers throughout the United States.
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This document contains recommendations for best practices related to the use of air cooled blast furnace slag ACBFS as coarse aggregate in concrete pavements It is primarily based on the results of a review of available literature regarding the production and use of ACBFS as coarse aggregate in concrete pavements information provided through interaction with the project’s expert task
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PDF 2018 8 10 their stability with normal concrete specimens that prepared at the same experimental condition Also elucidate the optimum geopolymer mix from water cooled slag air cooled slag SF and cement dust upon fire and acid conditions while focusing on the morphology as well as its relationship between compositions and mechanical properties 2.
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PDF 2018 2 13 cementitious materialsfor copper nickel and phosphorus nonferrous slag The use of air cooled nickel slag is presented based mainly on practical highway experience and in the Dominican Republic with ferronickel slag It has been shown in the laboratory and more importantly during highway construction that air cooled crushed nickel slag
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2021 10 24 Amongst all mineral admixtures blast furnace slag has the highest specific gravity 2.8 to 3.0 Typically the slag fineness is slightly more than that of the cement There are various types of slag possible like air cooled slag expanded or ed slag granulated slag and pelletized slag.
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PDF 2017 8 29 w I 4 TABLE1 GradationandUnitWeightofAggregates CoarseAggregates 1 PercentPassingSieves Weight Sizeofopening in 1.5 1.0.75.50 .25 187cu.ft Nat lSlagCompany
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2021 3 4 Air cooled blast furnace slag Angular roughly cubical and rough porous or smooth textures when finely ground High water absorption up to 6 ed blast furnace slag Angular and roughly cubical in shape higher porosity and a rougher texture when ground than air cooled slag Pelletized blast furnace slag.
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PDF 2011 8 24 The use of air cooled nickel slag is also presented based mainly on recent positive developments in the Dominican Republic with ferronickel slag It has been shown in the laboratory and more importantly during highway construction that air cooled crushed nickel slag is an excellent aggregate in granular base engineered fill
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As a method of reducing the porosity of air cooled blast furnace slag a process was developed in which the slag is solidified to a plate thickness of 20 30 mm in about 2 minutes by pouring the
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PDF 2020 3 9 the molten slag known as air cooled slag and water cooled slag The air cooled slag is slowly cooled by the air in an open pit whereas water cooled slag is rapidly cooled by usingwater as shown in Fig 1 Choi Choi 2015 As seen from Fig 1 air cooled nickel slag is
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use of air cooled blast furnace slag as a sustainable material in cement concrete 1.1 Air Cooled Blast Furnace Slag ACBFS Today one of the leading ideas for natural aggregate replacement in concrete mixture is to employ steel s co products in concrete production and blast furnace slag is one of them currently available which is an
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How Is Slag Used The main uses of Slag are in construction water treatment agriculture cementitious applications Full details of the specific properties and applications for each of the types of slag can be found on the below covering Air cooled Blast Furnace Slag ABS Air cooled Basic Oxygen Steel Slag
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2014 2 1 This paper presents a study on thermal stability as well as acid resistance of geopolymer materials prepared from ground granulated blast furnace slag GGBFS air cooled slag ACS silica fume SF and cement kiln dust CKD using 6 of equal mix from alkaline sodium hydroxide and sodium silicate activators.
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Ramachandran 1981 stated that air cooled slag is suitable as an aggregate in concrete Also slag fines may be used as a substitute for sand without any deleterious effect Furthermore volume stability good sulphate resistance and corrosion resistance to chloride solutions make reinforced slag concrete suitable for many applications 2.
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2015 1 1 Pavement Concrete with Air Cooled Blast Furnace Slag and Dolomite as Coarse Aggregates Kho Pin Verian Parth Panchmatia Jan Olek Tommy Nantung Transportation Research Record Vol 2508 Issue 1 pp 5564 Issue published date January 01 2015
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