Customer case aboutInfluence of large iron content in steel slag on cement

Influence of large iron content in steel slag on cement

The influence of steel slag on the hydration of cement

Feb 02, 2011 The influence of steel slag, a by-product from the processing of iron to steel, on the hydration of cement during the hydration process of complex binder was studied by calorimetry, X-ray diffraction analysis, and Ca (OH) 2 content determination.

get price

Influence of steel slag on mechanical properties and

Oct 01, 2013 Steel slag is a potential mineral admixture for concrete. In this paper, the influence of steel slag on the compressive strength, drying shrinkage, permeability to chloride, and carbonation resistance of concrete was investigated under two different conditions: constant W/B and constant 28 days’ compressive strength.

get price

Steel Slag an overview ScienceDirect Topics

Aluminum oxide (Al 2 O 3) content in steel slag exists in solid solution. In OPC clinker, Al 2 O 3 forms calcium aluminate and calcium aluminoferrite. (iii) The total amount of iron oxide in steel slag exists in the form of FeO and Fe 2 O 3, but mainly in the form of bivalent FeO. Normally, FeO accounts for about 70% of total iron content.

get price

(PDF) Properties of Concrete Manufactured Using Steel Slag

The study will help in providing a better understanding of the behavior of iron and steel slag aggregates in concrete and enable the efficient use of the same, reducing the consumption of natural

get price

86 IRON AND STEEL SLAG USGS

slag piles at about 129 processing plants (including some iron and steel plants with more than one slag-processing facility) in 33 States, including facilities that import and grind unground slag to sell as ground granulated blast furnace slag (GGBFS). Air-cooled iron slag and steel slag are used primarily as aggregates in concrete (air-cooled

get price

Use of steel slag in concrete mixtures

Slump for the steel slag concrete mix with 100% slag aggregate (S 20-100), was 70 mm. Concrete mixes showed an increase in slump with an increase in gabbro aggregate content used in the mixes, and slump eventually increased to the controlled mix slump value of 80 mm.

get price

Influence of steel slag on the mechanical properties and

Sep 01, 2018 The steel slag was the byproduct produced during the steel manufacturing from Wuhan Iron and Steel Company. The raw steel slag was graded particles with diameter ranges from 0.075 mm to 13.2 mm. In this study, it was grinded firstly by the Los Angeles abrasion tester for further crushing, and then the steel slag powder was screened by the sieve

get price

Recycling of steel slag aggregate in portland cement

Feb 01, 2021 BOF steelmaking needs the heat of the molten iron and other reactions. In the final stages of steelmaking, BOF slag floats on top of the molten steel and is composed of the impurities combined with burnt lime or dolomite (Brandt, 1985).BOF slag accounts for a large proportion of the total steel slag production.

get price

Steel-slag: a supplementary cementious Global Cement

Above Table 1: Typical chemical compositions by percentage of steel-slag, ground granulated blast-furnace slag and clinker. 1 It can be seen that chemically steel-slag is much closer to OPC clinker than BFS. Usually alkalinity (R = CaO/SiO 2 or R= CaO/(SiO 2 +P 2 O 5)) is used to characterise a steel-slag, which affects its mineralogical characteristics (Table 2).

get price

(PDF) Steel Slag as A Road Construction Material

Steel slag is a dark-coloured material with a high hardness, density and abrasion resistance [24][25], where the high density and hardness of steel slag are due to the presence free iron in steel

get price

Influence of Steel Slag on the Workability of Concrete

The influence of steel slag, a by-product from the processing of iron to steel, on the hydration of cement during the hydration process of complex binder was studied by calorimetry, X-ray

get price

The Influence of Super-Fine Steel Slag on the Properties

The influence of steel slag, a by-product from the processing of iron to steel, on the hydration of cement during the hydration process of complex binder was studied by calorimetry, X-ray

get price

The influence of steel slag on the hydration of cement

The influence of steel slag, a by-product from the processing of iron to steel, on the hydration of cement during the hydration process of complex binder was studied by calorimetry, X-ray

get price

86 IRON AND STEEL SLAG USGS

slag piles at about 129 processing plants (including some iron and steel plants with more than one slag-processing facility) in 33 States, including facilities that import and grind unground slag to sell as ground granulated blast furnace slag (GGBFS). Air-cooled iron slag and steel slag are used primarily as aggregates in concrete (air-cooled

get price

A Study into the Use of Recycle Iron and Steel Slag as an

Iron and steel slag production in Nigeria was estimated at 0.29 tons per ton of steel produced (Uzondu, 2012) hence, the total estimated production of iron and steel slag in Nigeria was 0.55405 million tonnes per year. Iron and steel slag are widespread in Nigeria

get price

(PDF) Utilization of steel slag for Portland cement

Blending 10% extra iron slag to a cement composed of 49% iron slag, 43% calcined lime, and 8% steel slag kept the compressive strength of concrete above standard values for type I ordinary Portand

get price

Influence of Steel Slag on the Workability of Concrete

The influences of steel slag on the compatibility of cement-superplasicizer system and workability of concrete were investigated in this study. Results show that there are differences among the effects of different steel slags on the fluidity of paste and workability of concrete. Steel slag is not so good as GGBS in improving the workability of concrete.

get price

Study on the Properties of High-Performance Ground Iron

Nov 16, 2020 Ground iron and steel slag with excellent performance was prepared using the uniform test design. The influence of the fineness and content of steel slag powder on the fluidity and strength of the powder mortar was studied, the regression equations of fluidity and compression strength of different ages are derived, and the contour map is drawn. Based on the optimized composition, the

get price

(PDF) Steel Slag as A Road Construction Material Moetaz

Steel slag has a number of advantages with high engineering properties. It has been declared a useful construction material not an industrial waste. The overall conclusion drawn based on the literature review is as followed; previous studies have emphasized on utilization of steel slag in cement and concrete

get price

The mineralogy of air granulated converter slag

Converter slag is produced during the conversion of pig iron into steel in a basic oxygen furnace. For this reason, it is also called BOF-Slag or LD-slag after the Linz-Donawitz process.1,2 On average 126 kg converter slag is produced per ton of steel,3 with worldwide steel production of 1.8 Mt

get price

Influence of fineness on the cementitious properties of

Aug 01, 2014 In this paper, the influence of fineness on the cementitious properties of steel slag and the properties of cement containing steel slag with different finenesses were investigated. The results show that increasing the fineness can significantly enhance the early as well as the late cementitious properties of steel slag. However, the early hydrations of cement and steel slag tend to hinder

get price

The soundness of steel slag with different free CaO and

Oct 01, 2017 Figs. 4 and 5 show the influence of steel slags on the compressive strength of concrete containing 40% and 60% steel slag, respectively, with a W/B ratio of 0.35 The strength results of concretes containing steel slag A, C, D and E are similar to those with a W/B ratio of 0.5: the concretes with 40% and 60% content can exhibit stable strength

get price

Evaluation of the Characteristic and Content Development

the tested steel slag needs to be assessed for their use in civil engineering applications because of the presence of free MgO and CaO. Reference [8], investigated the influence of Steel Basic Oxygen Slag and Portland cement on the compressive strength and the hydration mechanisms of blended Grounded Granulated Blast Furnace Slag (GGBS) pastes.

get price

Effect of blast furnace slag powder on compressive

Production of Portland blast-furnace slag cement began in 1910, and the Japanese national standard for Portland blast-furnace slag cement (JES 29) was formulated in 1926.some of the study has been done in past which summa-rized as: 1. Sun, S.S., Zhu, G.L., Zhang concluded that the recy-cling of steel slag will inevitably become an important

get price

A Study into the Use of Recycle Iron and Steel Slag as an

Iron and steel slag production in Nigeria was estimated at 0.29 tons per ton of steel produced (Uzondu, 2012) hence, the total estimated production of iron and steel slag in Nigeria was 0.55405 million tonnes per year. Iron and steel slag are widespread in Nigeria

get price

Influence of Steel Slag on the Workability of Concrete

The influences of steel slag on the compatibility of cement-superplasicizer system and workability of concrete were investigated in this study. Results show that there are differences among the effects of different steel slags on the fluidity of paste and workability of concrete. Steel slag is not so good as GGBS in improving the workability of concrete.

get price

Influence of Electric Arc Furnace (EAF) Slag Aggregate

In furtherance, this present study is focused on the evaluation of the influence of steel slag aggregate sizes on the workability and durability of concrete. Steel slag is a known by-product produced during the conversion of iron ore or scrap iron to steel. The major categories of steel slag, based on its raw materials and production

get price

Effect of steel slag and Portland cement in the rate of

Despite the problems associated with steel slag, it has many possibilities for use in the cement and concrete industry. In China, for example, it has been commercialized for long time in a cement that contains 35% Portland clinker, 5% gypsum, 30% steel furnace slag, and 30% blast furnace slag 2004). Steel slag c(Shi ould be used in

get price

Mineral Resource of the Month: Iron and Steel Slag EARTH

Iron and steel slag, also known as ferrous slag, is produced by adding limestone (or dolomite), lime and silica sand to blast furnaces and steel furnaces to strip impurities from iron ore, scrap and other ferrous feed materials and to lower the heat requirements of the iron- and steelmaking processes. Ferrous slag forms as a dominantly calcium silicate melt that floats on top of the molten

get price

Hydration characteristics of cement pastes incorporating

Much of the iron and steel slag produced around the world are slowly air-cooled, leading to the formation to influence the hydraulic activity of slag cement include chemical composition, glass content, and fineness, oxidation process is steel plus large quantities of slag.

get price

(PDF) Steel Slag as A Road Construction Material Moetaz

Steel slag has a number of advantages with high engineering properties. It has been declared a useful construction material not an industrial waste. The overall conclusion drawn based on the literature review is as followed; previous studies have emphasized on utilization of steel slag in cement and concrete

get price

Systematic Research on the Application of Steel Slag

The large-scale and resourceful utilization of solid waste is one of the important ways of sustainable development. The big data brings hope for further development in all walks of life, because huge amounts of data insist on the principle of “turning waste into treasure”. The steel big data has been taken as the research object in this paper. Firstly, a big data collection and

get price

Influence of the granulation conditions and ­performance

17 Influence of glass content and merwinite formation on the strength development of blastfurnace cement made with granulated blastfurnace slag HS Z (slag/clinker = 75/25), granulation G1 18 Change in dynamic viscosity of the blastfurnace slag for granulated blastfurnace slag D as a function of the basicity CaO/SiO 2 and the TiO 2 content (T

get price

Iron and Steel Slag Market Size, Share, Industry Forecast 2028

Global Iron and Steel Slag Industry Developments. In December 2017, Steel Authority of India Limited reported that it is planning to provide Delhi Metro with Structural Plates and Thermo Mechanical Treatment Plates.It had also confirmed that the Magneta line will be supplied with 55000 metric tons of steel.; In December 2017, The Nippon Steel & Sumitomo Metal Company agreed upon a deal to

get price

PAPER OPEN ACCESS Physical and Chemical Properties of

Generally, the content of metal Fe in steel slag is about 10%. For large steel mills, the first process is using crushing magnetic separation screening process to recover the metal iron contained in steel slag, and then smelting. For example, the amount of steel scrap in steel slag recovered by dielectric self-

get price

APPLICATION OF METALLURGICAL STEEL SLAG IN FOAMED

L. F. ZHANG et al.: APPLICATION OF METALLURGICAL STEEL SLAG IN FOAMED CONCRETE METALURGIJA 60 (2021) 1-2, 30-32 From Figure 1 that the incorporation of metallurgi-cal steel slag has a great influence on the early strength of foamed concrete, and the compressive strength de-clines rapidly with the increase of the content of metal-lurgical steel

get price

Influence of the granulation Cement Lime Gypsum

As a rule the liquid blastfurnace slag, which is usually at temperatures of 1440–1540 °C, is cooled rapidly in a steel works by quenching with a large excess of water (about 10:1). This breaks down the stream of slag into particles < 5 mm that very largely solidify in vitreous form.

get price

Influence of fineness on the cementitious properties of

Aug 01, 2014 In this paper, the influence of fineness on the cementitious properties of steel slag and the properties of cement containing steel slag with different finenesses were investigated. The results show that increasing the fineness can significantly enhance the early as well as the late cementitious properties of steel slag. However, the early hydrations of cement and steel slag tend to hinder

get price

Booking Online

#