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Fine Aggregates All fine aggregates, except air-cooled blast furnace slag sand or granulated blast furnace slag sand, must have an acid insoluble content of not less than 40 percent. When using these slag sands, the acid insoluble content must not be less than 25 percent. The acid insoluble content is determined by ITM 202.
The objective of reseach paper is to study behavior of steel slag concrete. Also to study comparison of compressive strength of steel slag concrete for 0%, 10%, 20%, 30%, and 40% replace-ment of fine aggregate by steel slag. The concrete specimen cubes are .
Utilization of Steel Slag in Concrete as a partial replacement material for fine aggregates ... steel slag (EAFSS) in concrete aggregate helps in enhancing the cohesion between the aggre- gate ...
In this study, the use of steel slag as fine and/or coarse aggregate in concrete is investigated. For this purpose, 12 different concrete mixtures with different water/cement ratios of 0.40, 0.55 and 0.70 which include steel slag aggregate as fine and/or coarse aggregate are prepared.
admixtures with steel slag powder and blast furnace slag powder mixed in concrete. Saud Al-Otaibi (2008) studied use of recycling steel mill as fine aggregate in cement mortars. The replacement of 40% steel mill scale with that of fine aggregate increased compressive strength by 40%,
Mar 18, 2011· This paper aims to investigate the possibility of utilizing steel slags produced in Croatian plants as a concrete aggregate. Aggregate properties were determined on coarse slag fractions (4–8, 8–16 mm) according to the relevant European Standards. Considering the obtained results, slags were specified in accordance with the classes as given in the main European standard for aggregates ...
aggregates cannot be overemphasized. The fine and coarse aggregates generally occupy 60% to 75% of the concrete volume (70% to 85% by mass) and strongly influ-ence the concrete's freshly mixed and hardened proper-ties, mixture proportions, and economy. Fine aggregates (Fig. 5-1) generally consist of natural sand or crushed
Steel slag is currently used as aggregate in hot mix asphalt surface applications, but there is a need for some additional work to determine the feasibility of utilizing this industrial by-product more wisely as a replacement for both fine and coarse aggregates in
ing slag is used instead of the fine and coarse aggregates in concrete, and ground granulated blast-furnace slag (granules of molten blast-furnace slag obtained through a process of quenching, grain refining, drying and pul-verizing), fly ash, and alkali activator (lime dust, slaked lime, cement, etc.) are employed instead of the cement
Steel slag, which has low CaO content, is a by-product of steel processing. The steel slag consisting iron oxides is ground into sizes as coarse aggregates used for concrete.
Blast furnace slag, peletised slag and granulated slag can be used as an aggregate in concrete replacing primary aggregates in a number of applications. Mortar GGBS used as a cementitous component in mortars enhances workability and can allow further working time for the bricklayer.
Suitability of using steel slag (SS) as substitute for sand in concrete was investigated. SS was collected from a dump site, crushed manually and sieved through between sieves No. 4 and 200.
various replacement level of steel slag with fine aggregate. The use of steel slag aggregates in concrete by replacing natural aggregates is a most promising concept. Steel slag aggregates are already being used as aggregates in asphalt paving road mixes due to their mechanical strength, stiffness, porosity, wear resistance. II. MATERIALS USED
Dec 31, 2018· Abstract. This paper aims to study the compressive strength of concrete made using Linz-Donawitz (LD) slag as a replacement for natural fine and coarse aggregate with both getting replaced up to at an interval of 20% respectively.
INTRODUCTION. Steel slag can be processed into a coarse or fine aggregate material for use in dense- and open-graded hot mix asphalt concrete pavements, (1,2,3) and in cold mix or surface treatment applications. (4) Proper processing of steel slag and special quality-control procedures are extremely important in selecting steel slag for use in asphalt paving mixes.
concrete using BF slag as aggregate. Thereafter, the aggregate use of BF slag expanded, and in 2013, the use of fine BF slag aggregate ... The measures to solve the problems in the use of fine slag aggregate for con- ... 20-cm thick beds of iron/steel slag 2) Concrete mixing According to No. 3 in Table 5 3) Outlines of paving work ...
This paper aims to study experimentally, the effect of partial replacement of coarse and fine aggregates by steel slag (SS), on the various strength and durability properties of concrete, by using the mix design of M20 grade. The optimum percentage of replacement of fine and coarse aggregate by steel slag .
Other uses Include, skid resistant asphalt aggregate, rail ballast asphaltic concrete aggregate, soil conditioner, hard stand areas and unconfined construction fill. Electric Arc Furnace Slag (EAF or steel furnace slag) Produced when scrap metal and fluxes are oxidized by the use of an electric current. Molten slag is generally placed into ...
Use of Blast Furnace Slag Aggregate in Concrete K.G. 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 .
Mechanical Properties Of Concrete Using Steel Slag Aggregate Page | 9 improvement in compressive strength, split tensile and flexure strength over control mixes by 4 to 8 %. The replacement of 100 % slag aggregate (coarse) increased concrete density by about 5 to 7 %
Steel slag used in paving mixes should be limited to replace either the fine or coarse aggregate fraction, but not both, since hot mix asphalt containing steel slag is susceptible to high void space and bulking problems due to the angular shape of steel slag aggregate.
This report presents available information regarding the use of air-cooled blast furnace slag (ACBFS) as coarse aggregate in concrete pavements. The report discusses ACBFS aggregate production and properties, and the properties of concrete produced with ACBFS coarse aggregate. Both the .
This report showcases important studies conducted on use of steel slag as fine aggregate and its effect on the strength, durability, fresh density, workability etc of the resulting mix. A brief discussion on the properties and present uses of steel slag has been incorporated. Index Words –Aggregate, Concrete, Fine aggregate, Steel slag.
study has been conducted to explore the possibility of utilization of steel slag in concrete as coarse aggregate. After collection of steel slag aggregate from a local steel manufacturing company, the steel slag aggregate was separated into lightweight (SL), heavyweight (SH), and mixed (SM) slag aggregates. The
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