Critical Review for Utilization of Blast Furnace Slag in …
According to , air-cooled blast furnace slag is an ideal material for use in base and sub-base courses. Inherent properties of the slag provide advantages …
PPT
Leaching assessment of air-cooled blast-furnace slag for use in road construction Sofia Lidelöwa and Mathilde Grandjeanb a Division of Waste Science & Technology b Division of Geosciences Luleå University of Technology, Sweden. Leaching assessment of air-cooled blast-furnace slag for use in road construction • Working …
Use of Air-cooled Blast Furnace Slag as Coarse Aggregate …
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, …
uses of air cooled slag in concrete
Masonry blocks are made from cement and aggregate. Slag cement, fly ash, or silica fume can substitute partially for cement. Bottom ash, blast furnace slag, and recycled concrete aggregate can substitute for newly mined materials. 15 Base Material Spent foundry sand can be used in place of natural soil as base material for the building site.
Effect of cooling technique of blast furnace slag on the …
When the molten slag is allowed to cool slowly under ambient conditions, it solidifies into a gray, crystalline, hard and stone-like material known as air-cooled slag …
Use of Air-cooled Blast Furnace Slag as Coarse Aggregate in …
This document contains recommendations for best practices related to the use of air-cooled blast furnace slag (ACBFS) as coarse aggregate in concrete …
Recycling industrial slags in production of fired clay bricks …
As the properties are dependent on the cooling method, water-cooled slag is applied to uses of relatively high added value, such as raw material for cement and admixtures for concrete; however ...
Air-cooled blast furnace slag (ABS)
Air-cooled blast furnace slags ABS are a crystalline by-product produced by the solidification of molten blastfurnace slag. Production and Processing Iron production is via a continuous batch process with the iron and slag produced in the blastfurnace at a temperature around 1500ºC.
Possible Uses of Steelmaking Slag in Agriculture: An …
by quenching and granulating it. It is used as material in cement, as fine aggregate for concrete and in civil engineering works, exhibiting better long-term strength, better resistance to chemical attack, and it brings down the cost of cement. v The Air-cooled BF Slag (ABFS) is discharged to a cooling yard and naturally cooled
Various Uses of Blast Furnace Slag and Steel Slag in …
The use of slag in concrete and mortar has given good results, and it has been concluded by looking at previous studies that the best percentage for using slag as coarse aggregate ranges from 30% ...
Influence of air-cooled slag on physicochemical properties …
Lime and sand in autoclaved aerated concrete (AAC) were replaced by air-cooled slag (AS). The compressive strength and the type and nature of the hydration products were studied for samples autoclaved at 8 bar for different periods of times: 2, 6, 12 and 24 h. The hydration reactions were monitored by determining free-lime contents and …
[PDF] Use of Air-cooled Blast Furnace Slag as Coarse …
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 physical and chemical properties of ACBFS are presented, …
Manganese Slag
In this case, both granulated and air-cooled slags have been successfully used. The granulated slag gives excellent properties after alkali activation, and resultant products are good durable. However, one drawback has been reported with air-cooled slag that the structure becomes spongy with uneven distribution of porosity after alkali interaction.
Effect of cooling technique of blast furnace slag on the …
Sadek (2014) examined the effect of using air-cooled slag (ACS) produced by the slow cooling of blast furnace slag (BFS) under atmospheric conditions and with water-cooled slag (WCS) produced by ...
Characteristics of bricks made from waste steel slag
The characteristics of bricks made from steel slag were investigated in this research. Slag addition was shown to reduce the required firing temperature. When the firing temperature was greater than 1050 °C and the slag addition less than 10%, the bricks met ROC national standard CNS 3319 third-class brick for builders.
Use of Air-Cooled Blast Furnace Slag as Coarse …
Use of Air-Cooled Blast Furnace Slag as Coarse Aggregate in Concrete Pavements—A Guide to Best Practice (Smith, Morian, and Van Dam 2012). 2. Use of Air-Cooled Blast Furnace Slag as Coarse Aggregate in Concrete Pavements (Morian, Van Dam, and Perera 2012). Properties and Characteristics of ACBFS Aggregate. ACBFS is one of several …
An Overview of Utilization of Blast Furnace and Steelmaking Slag …
Sadek (2014) [29] made a comparison between the thermal behaviors of bricks manufactured with air-cooled and water-cooled granulated blast furnace slags, and reported better high-temperature resistance and thermal stability for …
Mix components for interlock paving units (kg/m 3 ).
Cement kiln dust can be used in cement bricks, concrete, or mortar as cementitious materials ... including Air Cooled Slag (ACS), Granulated Blast Furnace Slag (GBFS), Basic Oxygen Furnace Slag ...
Use of air-cooled blast furnace slag as supplementary …
These findings suggest that air-cooled blast furnace slag can be used as supplementary cementitious material for the production of self-compacting concrete, with overall performance comparable to that of limestone filler. However, additional tests are recommended before using it on a large scale, such as durability investigations. ...
Use of air-cooled blast furnace slag as supplementary …
The manufacturing process of pig iron generates large amounts of slag. The slow cooling of this waste generates the air-cooled blast furnace slag (ACS). Since it is …
Sustainable composite cement prepared by two different types of iron slag
The utilization of two kinds of iron slag in the production of pozzolanic cement is introduced. A series was created with a fixed percentage of OPC (30%) and varying amounts of imported granulated blast-furnace slag (IGBFS) and air-cooled slag (ACS) at which imported IGBFS was substituted by ACS with the mass ratios of 10, 20, and 30%. …
Ferrochrome slag: A critical review of its properties, …
Molten slag is cooled by using a water jet to make it easier to handle, or in some cases, left in the atmospheric condition for air cooling (Sahu et al., 2016a).The physical properties of the generated slag mainly depend upon the cooling process; the air-cooled slag gets into larger size, whereas the water-cooled one gets granulated (Sahu …
Properties and Uses of Ironmaking slag – IspatGuru
Air-cooled slag uses are many and varied, including all types of construction aggregate applications in addition to manufacture of mineral wool, cement and glass and as a soil conditioner. ... The first industrial commercial use (around 1859) was the production of bricks using unground granulated BF slag.
Slag uses in making an ecofriendly and sustainable concrete: …
Slag, as shown in Fig. 1, is the 16th ingredient of high-performance concrete production [22], called supplementary cementitious materials (SCM) [23], that can …
Use of Air-cooled Blast Furnace Slag as Coarse Aggregate …
Figure 12. Relationship between absorption, bulk specific gravity, and ACBFS particle size. (© Edw. C. Levy Company 2010. Reprinted with permission.) - "Use of Air-cooled Blast Furnace Slag as Coarse Aggregate in Concrete Pavements"
Use of Air-Cooled Blast Furnace Slag as Coarse …
Use of Air-Cooled Blast Furnace Slag as Coarse Aggregate in Concrete Pavements . Final Report . Report No. FHWA-HIF-12-008 . March 2012
Critical Review for Utilization of Blast Furnace Slag in …
According to , air-cooled blast furnace slag is an ideal material for use in base and sub-base courses. Inherent properties of the slag provide advantages in engineering performance and in economy. It provides outstanding durability and weight savings of 10–20% over natural aggregate materials in the same applications. Slag has …
Slag uses in making an ecofriendly and sustainable concrete: A …
Slag, as shown in Fig. 1, is the 16th ingredient of high-performance concrete production [22], called supplementary cementitious materials (SCM) [23], that can enhance the strength and durability of concrete [2].The highly fine slag powder, with a surface area of 400–600 m 2 /kg and a bulk density of 1200 kg/m 3, can be mixed with free lime to …
Full article: Utilization of by-pass cement kiln dust and air-cooled …
The amount of air-cooled slag generated at the Egyptian Iron and steel Company is more than 300,000 tons annually (0.2 tons of slag/1 ton of iron and steel produced). Table 1 gives the chemical analysis of the used air-cooled slag. The chemical analysis of the sand utilized shows that it contains negligible percent of Cl − and SO 3 − …
An Investigation of Utilization of Ferrochrome Slag in …
Elazığ ferrochrome slag can easily be used in brick and tile production in a controlled manner at the rates determined. A. R T I C L E : I: N F O: Received : 05.20.2018 . ... control of air cooled and has a porous structure is as light as pumice. There is no binding feature of this crystal structure slag [13]. With sudden cooling in water ...