Mechanical properties prediction of blast furnace slag and fly ash …
Mechanical properties prediction of blast furnace slag and fly ash-based alkali-activated concrete by machine learning methods December 2023 Construction and Building Materials 409(11):133933
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Sustainable mortars containing fly ash, glass powder and blast-furnace …
by-products, e.g. fly ash (FA), glass powder (GP), and ground granulated blast furnace slag (GGBS), and the replacement of natural river sand (NS) with waste-based sand, namely lead smelter slag ...
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Mechanical properties prediction of blast furnace slag and fly ash …
1. Introduction. During the past decades, promoting the utilization of blast furnace slag and fly ash based alkali activated concretes (BFS/FA-AACs) has gained increasing attention because it can alleviate carbon dioxide footprint and reduce waste disposal [1], [2], [3].Nowadays, BFS/FA-AACs using sodium hydroxide and sodium …
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Comparative studies on mechanical characteristics of granulated blast
Typical Microstructures of both granulated blast furnace ash reinforced Al alloy and Fly ash reinforced Al alloy have been drawn and investigated. ... Fly ash powder . 3. Granular blast furnace ...
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Glossary of Terms used for a Blast Furnace – IspatGuru
Fig 1 Cross section of a blast furnace. Blast furnace coke – It is the fraction of coke in the size range of 30 mm to 80 mm.. Blast furnace gas – Blast furnace gas is the name given to the by-product which is continuously produced from the upward gaseous rise of blast air through the burden in the BF during its operation.. It is almost …
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Slag Cement Production Line | Blast Furnace Slag Cement …
how to make blast furnace slag cement? Recently, Slag has become an important mixing material of cement, grind ability of slag is very poor. In general, the slag powder is processed by the slag grinding plant in advance, and slag powder will be sent into the cement plant for making slag cement, so it is particularly important to select the …
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Mechanical properties prediction of blast furnace slag and fly ash …
During the past decades, promoting the utilization of blast furnace slag and fly ash based alkali activated concretes (BFS/FA-AACs) has gained increasing attention because it can alleviate carbon dioxide footprint and reduce waste disposal [1], [2], [3]. ... Machine learning algorithms can build a predictive method based on a big data set ...
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Advances on resource utilization of semi-dry desulfurization ash …
The semi-dry flue gas desulfurization ash (SFGDA) is an industrial waste generated by the semi-dry desulfurization process, and its resources have been continuously attracted attention. Through the method of heat decomposition, the SFGDA decomposed into CaO and SO2 has emerged as a prominent research topic. This paper …
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Compressive strength of concrete containing furnace blast …
Supplementary Cementitious Materials (SCMs) such as ground granulated blast-furnace slag (GGBS), fly ash (FA) (Chand, 2021; Chand et al., 2021), silica fumes (SF), and rice husk ash (RHA) (Amin et al., 2021) are frequently utilized as partial substitutes for cement in concrete because of their capacity to improve the mechanical …
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Iron-Tapping State Recognition of Blast Furnace Based on …
The recognition of blast furnace iron-tapping status is crucial for improving the production efficiency and quality of ironmaking plants. However, traditional manual observation methods face interference from a large amount of iron powder and other dust in the environment, as well as problems such as iron splashing during tapping, making it …
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Recycling of blast-furnace sludge by thermochemical treatment with
1. Introduction. Blast-furnace (BF) sludge is a hazardous waste that is generated when the flue gas formed during the production of pig iron in a blast furnace is purified in a wet scrubber (Asadi Zeydabadi et al., 1997; Mansfeldt and Doann, 2004; Kretzschmar et al., 2012; Vereš et al., 2012; Földi et al., 2014; Trinkel et al., 2016).The …
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Stabilization of iron ore tailing with low-carbon lime/carbide …
Request PDF | Stabilization of iron ore tailing with low-carbon lime/carbide slag-activated ground granulated blast-furnace slag and coal fly ash | The massive accumulation of iron ore tailing ...
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Effects of Granulated Blast Furnace Slag and Fly Ash on
Effects of Granulated Blast Furnace Slag and Fly Ash on Concrete Compressive Strength • S. Rahman 1,*, M. R. Uddin 2, M. M. Alam 2, M. T. Chowdhury 2 and S. A. Mohamed 2
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Ground Granulated Blast Furnace Slag Powder
A fine ground powder which is obtained by physical grinding of granular slag. White to grey colour. Used for cement or concrete. Secondary names: fine slag powder or water slag powder. Bulk density: 847 - 1,205 kg/m 3.
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Novel resource utilization of fly ash and blast furnace slag …
This was attributed to the fact that some of the metal oxides exhibiting photocatalytic activity were not involved in the alkali activation of fly ash and blast furnace slag powder during the geopolymerization. These metal oxides had certain photocatalytic activity under irradiation, which could degrade formaldehyde in trace amounts.
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Design and properties of ternary alkali-activated binder based on blast
Ternary alkali-activated binder was prepared by blast furnace slag (GGBS), recycled powder (RP) and waste glass powder (WGP) using simplex centroid design method. By measuring the fluidity, setting time, drying shrinkage and mechanical property of specimen, the complementary effect of GGBS, RP and WGP was discussed.
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Machine Learning Models for Predicting and Controlling the …
The pressure difference is an important parameter to characterize the stability and smoothness of the blast furnace (BF) ironmaking process. The prediction and control of the pressure difference is the basic step to ensure the high efficiency, stability, low consumption, and smooth operation of a BF. Based on the collected industrial data, …
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Strengthening Behaviour and Microstructural Properties …
The study on the physical and mechanical properties of compacted reduced composite fines produced after crushing of reduced composite briquette containing …
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Effects of electric arc furnace slag powder and fly ash within …
A study on partial replacement of cement was conducted in Spain in 2015 to compare the effect of EAF powder used in concrete with that of blast furnace slag (BF) and concluded that 10% BF by cement weight was better for early strength, while 10% EAFS was better for flowability [10]. Fly ash (FA), an important cementitious material, …
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Complete Listing
The American Concrete Institute. Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for …
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An Innovative Method for Sustainable Utilization of Blast-Furnace …
This paper reported the synthesis and characterization of one-part hybrid cement mortar, in which dry activator–based blast-furnace slag and Portland cement were the main ingredients. Dry activator with different contents were blended with Portland cement to achieve 70 wt.% blast-furnace slag and 1, 2, 3 wt.% NaOH.
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A Review on the Dissection of Quenched Blast …
In this study by McCutcheon and his colleagues, an experimental blast furnace was cast dry, the wind stopped, and nitrogen was introduced through the top of the furnace, cooling the stock as it …
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The Effects of Fly Ash, Blast Furnace Slag, and Limestone Powder …
This study investigates the alterations in the ratios of components such as class C fly ash (FA), blast furnace slag (BFS), and waste stone powder (WSP) types of limestone powder (LP) used in the production of geopolymer concrete. These components are meticulously examined concerning the physical and mechanical attributes of …
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Optimization of geotechnical characteristics of clayey soils …
The addition of fly ash (FA) and Granulated blast furnace slag (GBFS) to a highly plasticity clayey soil demonstrated a direct and incremental correlation with the optimum moisture content. The water content of the soil mixture increased gradually with the addition of fly ash and furnace slag, all be it, a small increase.
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Stress-Strain Behavior and Strength Development of High …
Phosphogypsum is a common industrial solid waste that faces the challenges of high stockpiling and low utilization rates. This study focuses on the mechanical …
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(PDF) Geopolymer Bricks Using Iron Ore Tailings, Slag Sand, …
1 Chapter Geopolymer Bricks Using Iron Ore Tailings, Slag Sand, Ground Granular Blast Furnace Slag and Fly Ash Raghunandan Kumar, Pranab Das, M. Beulah and H.R. Arjun Abstract World is pound with million tonnes of industrial wastes such as ground granu- lated blast furnace slag (GGBS), flyash and mine tailings as a various industrial waste. The …
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Article The Effects of Fly Ash, Blast Furnace Slag, and …
terials such as fly ash, blast furnace slag, and waste stone powder (WSP). These materials can be activated with various alkalis, resulting in the production of binding materials used in geopolymer concrete [6–12]. According to American Material Test Standard (ASTM) C618-19, fly ashes obtained
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High fire stability cement composite cementitious material …
Semi-dry gas desulfurized ash (SGDA) and granulated blast furnace slag (GBFS) as solid waste both have pozzolanic activity as well as... High fire stability cement composite cementitious material based on semi‐dry gas desulfurized ash/blast furnace slag system: The synergistic effect of nano‐TiO2 and nano‐SiO2 - Yu - 2023 - Asia …
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Case Analysis of Blast Furnace Consumption Technology and …
Abstract. Copper slag and steel slag can be combined for iron extraction, with raw materials including Cu slag, steel slag, and lime. Sintering ore with a suitable …
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Enhancement of strength of blast furnace flue dust – iron …
The strength of a briquette made with Blast furnace flue dust and iron oxide with fly ash as a binder depends upon the briquetting pressure, particle size of fly ash, fly ash quantity, and curing ...
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Modification of magnesium phosphate cement with steel slag powder …
This paper delves into the impacts of steel slag powder (SSP) and ground granulated blast furnace slag (GBFS) on the workability, compressive strength, conductivity, and microstructural characteristics of magnesium phosphate cement (MPC). ... 40 mm × 40 mm × 40 mm in accordance with the Chinese standard GB/T 17671–1999 …
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The Influence of CaO and MgO on the Mechanical Properties …
2.1. Raw Materials. The alkali-activated blast furnace slag powder in this study is composed of the blast furnace slag powder, light-burned magnesia powder (MgO), potassium sodium silicate (K 2 SiO 3), sodium hydroxide (NaOH), water, expansive agent and refractory fiber.. The blast furnace slag (BFS) powder is provided by …
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Process and mechanism of preparing metallized blast furnace …
The converter sludge, blast furnace ash and CDQ powder were mixed according to the C/O (Carbon/oxygen is the fixed carbon in CDQ powder and carbon in two kinds of metallurgical dust and sludge ...
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Predicting Compressive Strength of Blast Furnace …
The novelty and research significance of this study is to explore the effects of different factors on the compressive strength of concrete made with BFS and Fly Ash using advanced machine learning …
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The effect of size distribution of slag particles obtained in dry …
The effect of size distribution of slag particles obtained in dry granulation on blast furnace slag cement strength. Author links open overlay panel Junxiang Liu, Qin Qin, ... the particle size distribution of blast furnace slag powder is a very important parameter, which influences the strength of slag cement. ... Iron …
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Online Self-Learning-Based Raw Material Proportioning for …
With the increasing awareness of environmental protection, the rotary hearth furnace system has emerged as a key technology that facilitates a win-win situation for both environmental protection and enterprise economic benefits. This is attributed to its high flexibility in raw material utilization, capability of directly supplying blast furnaces, low …
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Predicting Compressive Strength of Blast Furnace Slag and Fly Ash …
The utilization of waste industrial materials such as Blast Furnace Slag (BFS) and Fly Ash (F. Ash) will provide an effective alternative strategy for producing eco-friendly and sustainable concrete production. However, testing is a time-consuming process, and the use of soft machine learning (ML) techniques to predict concrete …
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Stabilization of iron ore tailing with low-carbon lime/carbide …
The massive accumulation of iron ore tailing (IOT) results in land resource wastage and increases the possibility of environmental pollution. In this study, the feasibility of using low-carbon alkali-activated ground granulated blast-furnace slag (lime/Carbide slag (CS)-GGBS) and coal fly ash (CFA) instead of portland cement (PC) for solidifying …
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