Toughness study of polyacrylamide-modified slag/fly ash …

The experimental fly ash used in this study was sourced from the Huaneng Power Plant in Jinan, China, meeting the relevant specifications for Class I fly ash as per the Chinese standard GB/T 1596–2017. ... Funds of the National Natural Science Foundation of China (U20A20324), Dalian Science and Technology Innovation Fund Project ...

Fly ash properties, characterization, and applications: A review

Coal fly ash is primarily produced in power plants as a byproduct of coal combustion. ... "Ministry of Education "in Saudi Arabia for funding this research work through the project number IFKSURP-2020-135." ... (2021). "Fresh and mechanical properties of SCC with fly ash and copper slag as mineral admixtures." 45: 6687-6693. Google ...

Characterisation of LD slag of Bokaro Steel Plant and its fe

The compressive strength of the brick samples type A (Fly ash - 35% + LD slag - 30% + Gypsum - 5% + Quarry dust - 20% + Lime - 9.75% + CaCl 2 - 0.25%) was found to be more than 100 kg/cm 2 after 14 days of curing which is sufficiently higher than that of the strength of a normal red clay bricks (50-70 kg/cm 2 ) and may be its feasible ...

Slag Iron & Steel -2015

Steel Slag in the Countr y Steel Plant Capacity for granulation ('000 tpy) Bhilai Steel Plant, Durg, Chhattisgarh 2675 Bokaro Steel Plant, Bokaro, Jharkhand 7884 Rourkela Steel Plant, Rourkela, Odisha 600 Durgapur Steel Plant, Durgapur, West Bengal 566 IISCO Steel Plant, Burnpur, West Bengal 400 kg/THM Visvesvaraya Iron & S teel Plant, 400

Amelioration Effect of Fly Ash and Powdered Ground Steel Slag …

The utilization of fly ash (FA) and powdered granulated steel slag (PGSS) as additives in soil stabilization plays a crucial role in environmental, economic, and weak soil property improving advantages. In this study, the combined effect of FA and

The Environmental Benefits of Fly Ash in Construction

Fly ash is produced by coal-fired electric and steam-generating power plants. Generally, coal is pummeled and blown with air into the boiler's combustion chamber, where it immediately fires up, creating heat which produces a molten mineral buildup. ... also known as bottom ash or slag, fall to the bottom of the combustion chamber, while the ...

Effects of Fly Ash and Granulated Ground Blast Furnace Slag …

Granulated blast furnace slag and fly ash are the by-products of steel plants and thermal power plants respectively; whose disposal poses a problem. They can be used effectively as cushioning ...

"Use of Soil-Steel Slag-Class-C Fly Ash Mixtures in Subgrade …

Use of steel slag, fly ash and blast furnace slag in road applications, such as in subgrade stabilization projects, can be a cost-effective alternative to lime stabilization in some …

Combined utilization of slag, fly ash, and polyacrylamide for

Hence, in this research context, a novel solid waste additive composed of slag, fly ash, and polyacrylamide, referred to as SFP, was adopted to investigate its impact on saline soil's improvement and reinforced mechanisms based on a highway project in Urumqi, Xinjiang, China. ... ensuring a conducive environment for plant growth, and more.

Iron and Steel Slag

crude (pig) iron production and steel furnace slag may be estimated to be 10% to 15% of raw steel production. In 2020, world iron slag production was estimated to be between 310 million and 380 million tons, and steel slag production was estimated to be between 180 million and 270 million tons. World Resources : Not applicable. Substitutes :

Mechanical properties of discarded shield residue improved …

To utilize discarded shield residue and alleviate the shortage of subgrade filling, industrial wastes such as calcium carbide slag (CCS) and fly ash (FA) were considered to …

Fly ash and Blast Furnace Slag for Cement …

Granulated Blast Furnace Slag (GBFS) from primary steel making processes and Fly Ash (FA) from coal-fired power plants are currently used as additional cementitious materials. These are...

Studies on the Volumetric Stability and Mechanical Properties …

The stability of steel-slag road materials remains a critical issue in their utilization as an aggregate base course. In this pursuit, the present study was envisaged to investigate the effects of fly ash on the mechanical properties and expansion behavior of cement-fly-ash-stabilized steel slag. Strength tests and expansion tests of the cement-fly-ash-stabilized steel …

Characterisation of LD slag of Bokaro Steel Plant and its …

Characterisation of LD slag of Bokaro Steel Plant Table 7 143 Dimension of 'fly ash–LD slag' brick S. No. Sample code Length (cm) Breath (cm) Height (cm) Volume (cm3) 1 A1 23.2 11.0 7.5 1914 2 A2 23.1 11.0 7.5 1905.7 3 A3 23.2 11.1 7.6 1939.5 4 B1 23.0 11.1 7.5 1897.5 5 B2 23.2 11.0 7.5 1914 6 B3 23.1 11.0 7.5 1905.7 7 C1 23.1 11.1 7.6 ...

Using steel slag and fly ash solid wastes to fabricate …

Recently, to reduce the cost of fabricating PCC towards its applications in engineering, some researchers have investigated the industrial solid waste (ISW) based PM to encapsulate molten salt, such as industrial slag, fly ash, tailings, and red mud [30], which can also improve resource utilization and reduce the environmental pollution of ISW.. Argyrios et al. [31] …

The Influence of Fly Ash and Slag on the Mechanical …

The binder material used in the study was fly ash and slag. Fly ash is a byproduct of the combustion of coal, normally in the form of spherical particles . Slag, derived from blast furnace slag, is a byproduct of the ironmaking process . The utilized fly ash was Class II, F, with a sieve residue of 19.9% in the 45 μm sieve and a loss on ...

What is fly ash in steel plant, why and how to make it to …

The steelmaking industry is a typical resource-energy-intensive industry that produces a variety of solid wastes, which include lots of dust. From the raw material unit to the rolling line workshop, dust is generated in each process. Dust will be collected through the dust collecting system, …

Bulk utilization of steel slag–fly ash composite: a sustainable

This study explores the utilization of steel slag and fly ash in road construction to address the increasing demand for pavement materials and the scarcity of natural aggregates.

Experimental investigation of quarry rock dust incorporated fly ash …

Waqas, R. M. & Butt, F. Behavior of quarry rock dust, fly ash and slag based geopolymer concrete columns reinforced with steel fibers under eccentric loading. Appl. Sci. 11, 6740.

Tata Steel, ICAR-NRRI to collaborate with Odisha

The first consignment of LD slag was flagged off from Tata Steel Meramandali (TSM) plant in Dhenkanal district on June 18, the official said. The project, titled "Economic and Environment-Friendly Utilisation of Basic Slag and Fly Ash as Soil Amendments to Reclaim Acid Soils of Odisha (SAFAR)," is being spearheaded by the Indian Council of Agricultural …

SLAG

reported production of 748,836 tonnes of slag. Bhilai Steel Plant reported production of 1,557,343 tonnes granulated slag. KIC Metaliks reported production of 19,400 tonnes of granulated slag. ... by utilising blast furnace slag and fly ash generated from power plants. Expanded slag is formed through controlled cooling of molten slag in water ...

Effect of Steel Slag on Hydration Kinetics and Rheological

The effects of steel slag (SS) and fly ash (FA) on hydration heat, fluidity, setting time and rheological properties of alkali-activated slag (AAS) pastes with different silicate modulus (Ms) values were comparatively investigated. The results show that the incorporation of SS shortens the induction period, increases the cumulative hydration heat, improves the initial …

Fly Ash Processing Plant | Ball Mill, Raymond Mill, | EPC Project

Fly ash is generally a solid waste generated by the incineration boilers in thermal power plants, coal-fired power plants, paper mills, and chemical factories, as well as the collection of ash from dust collectors. It consists of tiny ash particles emitted during the combustion of fuel, primarily coal, with particle sizes typically ranging from 1 to 100 micrometers.

The Impact of Fly Ash on the Properties of Cementitious

This paper presents a novel low-carbon binder formulated from fly ash (FA), ground granulated blast furnace slag, steel slag, and desulfurization gypsum as a quaternary solid waste-based material. It specifically examines the influence of FA content on the mechanical properties and hydration reactions of the quaternary solid waste-based binder. The mortar test …

(PDF) Steel slag and its applications in cement …

Due to the free lime in steel slag, they determined that samples formed of steel slag cracked during the autoclaving process, the samples containing 80% steel slag and 20% silica powder had 23 MPa compressive strength, the …

Recent applications of steel slag in construction industry

Steel slag and fly ash-based steel fiber reinforced geopolymer mortars have been prepared and studied for its mechanical properties where 0.4% and 0.5% of steel fiber replaced geopolymer mortars reveals better compressive strength (38.6 Mpa at 28 days with improving ratio 22.9%) and flexural strength (7.9 Mpa at 28 days with improving ratio 21. ...

Structural Evaluation of Flexible Pavement Constructed …

steel slag and optimum steel slag–fly ash–dolime mix was appre- ciably lower than the maximum permissible limit of 0.5% after 7 days immersion, as per ASTM D2940 (ASTM 2015).

Efficient use of steel slag in alkali-activated fly ash-steel slag

In order to find an effective way to use steel slag (SS), this study explored the possibility of using SS and ground granulated blast-furnace slag (GGBS) as a composite …

Steel plant slag dumps: A potential source of groundwater …

Abstract The metallurgical processes in production of iron and steel from ores produce slags (blast furnace slag and basic oxygen furnace slag), which is usually dumped as solid waste by various steel plants around the world. The present study assessed and estimated the impact of slag dump piling up for the last 60 years on the hydrogeological environment in …

Evaluation of slag/fly ash based geopolymer concrete with steel …

Geopolymer concrete's compressive strength values vary depending on the slag/fly ash ratio. Previous studies [7] with geopolymer concrete produced with fly ash show low reactivity at room temperature. Due to this situation, a high-temperature curing method has been chosen in some studies [8].However, N.K.Lee and H.K Lee [6], in their study, obtained …

Production of Lightweight Aggregates from Coal …

1 Characterisation of Elcogas fly ash and slag Table 1 gives the chemical analysis of the ELCOGAS IGCC slag and fly ash. The high content of glass former oxides (>80% SiO 2 + Al 2O 3) and low level of modifying or fluxing oxides in its composition are the main reason for the high viscosity of the melted fly ash and slag.

Bulk utilization of steel slag–fly ash composite: a sustainable

This study explores the utilization of steel slag and fly ash in road construction to address the increasing demand for pavement materials and the scarcity of natural aggregates. For this purpose, steel slag–fly ash composite is stabilized with lime and ground granulated blast furnace slag (GGBS) to assess their utility as a subbase and base material in flexible …

Fly ash for sustainable construction: A review of fly ash …

Fly ash thermal power plants for concrete: 2017: Germany: DIN EN 450-1: Fly ash for concrete - Part 1: Definition, specifications and conformity criteria, German version ... The activity of admixtures mostly influenced the rate of hydration. In this study, slag had higher activity than type I FA, while type II FA had the lowest activity and ...

Effective Utilization of Fly Ash and Steel Slag for Partial …

This study investigated the potential for incorporating fly ash and steel slag as partial replacements for cement and fine aggregate respectively to achieve an alternate M20 …

Enhancing Concrete Durability and Strength with Fly Ash, Steel Slag …

The effect of an alternative source of silica, based on class F fly ash mixed with blast furnace slag and activated by rice husk ash (RHA), to produce concrete exposed to marine environments was evaluated. Four mixtures activated by the combination of 85% NaOH 14M + 15% RHA were manufactured to achieve a liquid/solid ratio of 0.20. Fly ash was incorporated …

Suitability of leaching test methods for fly ash and slag: A …

The WLT indicates the potential for contaminant release from fly ash or mixtures, but does not evaluate how a fly ash or fly ash mixture will impact groundwater (Bin-Shafique et al., 2002). Leaching of heavy metals from the dumped fly ash and steel slag may have negative impact on the environment should be reduced by leaching assessment of ...