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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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Influence of Steel Slag on Properties of Cement-Based …

Steel slag was used instead of sand to compare steel slag concrete with regular concrete. The findings showed that the steel slag concrete has good compatibility and can meet the requirements of concrete. Both the steel slag admixture and the …

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Synergistic effect and mechanism of lithium slag on …

Replacement of cement with solid waste is an important method for conserving natural resources and reducing CO 2 emissions. In this study, steel slag and lithium slag were used to replace cement to address the low activity of steel slag, which limits its large-scale utilization.

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Recycling of steel slag aggregate in portland cement concrete…

Compared to Portland cement, the cementitious phase of steel slag is inactive. The hydration rate of steel slag is significantly slower than that of cement at early age, which can be demonstrated by the hydration exothermic curves of steel slag (Sun et al., 2020). Most cementitious phases in SSA finish hydration after 90 days.

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Effect of slag sand as river sand and its influence on …

Hence to minimize the dumping and collection of slag waste, the byproduct is washed, crushed, and dried to remove harmful substances and converted into slag sand under strict quality control. This slag sand possesses calcium and silica as the major chemical compounds, the primary elements in river sand [21], [22], [23]. Thus, Slag sand ...

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Steel slag's effect on concrete mechanical properties and …

An analysis of the used sand using a sieve was conducted in accordance with ASTM C136 [21], [22], ... Effects of steel slag and recycled concrete aggregates on the properties of pervious concrete. Constr. Build. Mater., 155 (2017), pp. 550-559. Google Scholar [31] J. Cai, Y. Guo.

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Preparation and Performance Testing of Steel Slag Concrete …

In this paper, steel slag powder was used to replace part of the cement in road concrete, and group tests were carried out on coarse aggregates with different …

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Influence of Steel Slag Aggregate and Recycled Coarse …

This review paper focuses on the role of steel slag aggregate (SSA) and recycled coarse aggregate (RCA) in concrete, considering different percentages of SSA …

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Influence of steel slag on mechanical properties and …

In this paper, the influence of steel slag on the compressive strength, drying shrinkage, permeability to chloride, and carbonation resistance of concrete was …

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Study on the hydration characteristics of steel slag cement

2.3. Sample preparation. Stainless steel slag, silica, limestone and basalt are evenly mixed according to a certain ratio (see Table 2), then put into a mold of 5×5×5 cm3, compacted by a hydraulic press, fired in a box furnace at 1350℃ and kept warm for 2 h to obtain stainless steel slag cement clinker (SC) and Portland cement clinker (PC).). …

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Review Steel slag and its applications in cement and …

Effect of curing temperature and time on concrete containing steel slag was presented. •. Different usage areas of steel slag were recommended for future …

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Review Steel slag and its applications in cement and …

Highlights. •. Current applications of steel slag in concrete were presented. •. Its chemical composition and durability properties of steel slag in literature were …

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Utilization of steel slag in ultra-high performance concrete …

Steel slag is a byproduct of steel making and is produced when the molten steel is separated from impurities in the furnaces [14].The conversion rate of steel slag is approximately 10–15% per ton of steel produced [15].As the largest steel producer in the world, China yields 100 million tons of steel slag in 2016, the disposal of which mainly …

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The effects of iron tailings on steel slag-based cementitious …

In addition to the activity effect, the beneficial effects on concrete, such as the morphology effect and filling effect of the admixture, deserve emphasis. Research on the substitution of cement by granulated blast furnace slag (GBFS), fly ash (FA), and steel slag (SS) has promoted the application of solid waste powders in the field of ...

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A review of the application of steel slag in concrete

The analysis results indicate that the incorporation of steel slag powder (SSP 3) may have adverse effects on the initial setting time, volume stability, …

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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 diffraction analysis, and Ca(OH)2 content determination. The results show that steel slag and cement affect each other's hydration by changing the …

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Preparation and Performance Testing of Steel Slag Concrete from Steel

In this paper, steel slag powder was used to replace part of the cement in road concrete, and group tests were carried out on coarse aggregates with different water–cement (W/C) ratios, different steel slag parameters, and different particle sizes. A sample of 100 mm × 100 mm × 100 mm was prepared and cured for 3 days, 7 days, and …

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Effect of two different crystal forms of alumina on hydration

In the present work, two common nano-alumina (NA) with different crystal forms (α-NA and γ-NA) are used to research the effects of steel slag-cement composite cementitious materials, which include the hydration properties and mechanical properties. The results show that the NA can enhance the streng …

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Effect of silica fume on steel slag concrete

The volume of steel slag and water-cement ratio and the comparison between the amount of slag and that of cement show that steel slag content influences the slump of concrete the most. View Show ...

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Preparation and Mechanism Analysis of Stainless Steel AOD Slag …

Therefore, the need for efficient treatment and recycling of stainless steel slag and waste concrete has become an urgent problem to be solved [4,5]. The composition of stainless steel slag mainly includes electric arc furnace (EAF) slag and argon oxygen decarburization (AOD) slag . Among them, AOD slag is produced in the …

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Environmental benefit assessment of steel slag utilization …

The CaO content of steel slag is relatively high (23–60%), depending on the steelmaking process [41]. Mo et al. [42] reported that the compressive strength of steel slag pastes carbonated at 0.1 MPa CO2 for only 1 day (22.4 MPa) was significantly higher than that of steel slag pastes cured under ambient conditions for 28 days (7.8 MPa).

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Effect of wet-grinding steel slag on the properties of Portland cement …

The compressive strength of 5 μm-20% and 3 μm-20% are still higher than that of cement. When steel slag dosage comes to 30%, only 3 μm-30% has a close compressive strength with cement. The raw steel slag could replace cement with only 10% dosage without adverse effect on the mechanical property.

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Effect of stainless steel slag waste as a replacement for cement …

Significance = F probability of main effects in regression analysis, ... slag for Portland cement clinker production and found that a 10.5% addition of steel slag did not negatively affect the quality of the cement produced. Monshi and Asgarani [52] produced a type of cement from steel slag (with 8%), iron slag and limestone that satisfied the ...

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Influence of Steel Slag as a Partial Replacement of …

Amidst the global pursuit of sustainable alternatives in concrete production, this study explores the viability of incorporating by-products or waste materials as aggregates to support the concrete construction industry, with a specific emphasis on steel slag. The objective of this study is to evaluate the effectiveness of steel slag as a …

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Influence of steel slag on mechanical properties and durability of concrete

Tsakiridis et al. [6] investigated the utilization of steel slag for Portland cement clinker production, and revealed that the addition of steel slag did not negatively affect the quality of the produced cement with 10.5% addition of steel slag. Monshi and Asgarani [7] produced a kind of cement from steel slag (with 8%), iron slag and …

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Hydration and mechanical properties of cement-steel slag …

This study aims to improve the mechanical properties of cement-steel slag mortar by the addition of alkaline activators (NaOH, Na 2 CO 3 /NaOH and water glass) to promote the optimal utilization of steel slag. In this paper, the setting time, flexural and compressive strength, early-age hydration kinetics and microstructure are investigated …

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Beneficial Effects of Steel Slag on Concrete

For this study M40 grade of concrete with replacement of high volume steel slag is utilized. Quality is determined from experimental test values. ..., Issue 2, June 2015, pp. 51-57 Beneficial Effects of Steel Slag on Concrete Girish Sharma1, Ritu goyal2, Abhishek Gupta3, Devinder Sharma4 1,3M.Tech Student, Deptt. of Civil Engg., IGCE ...

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Comprehensive multiphase visualization of steel slag and …

As a kind of industrial waste in steel manufacturing, steel slag accounts for about 12–15% of steel output [1], [2].China's crude steel output reached 1.03 billion tons in 2021, with steel slag produced exceeding 120 million tons [3].At present, the amount of steel slag stacked in China has reached 1 billion tons, which will cause serious waste of …

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Comprehensive analysis of the environmental impact of …

For the analysis, three asphalt concrete mixtures (ref, slag 1 and slag 2) were designed according to the Marshal Design method using a conventional 50/70 penetration grade bitumen. The particle size distribution of the three mixtures was defined following the limits established by the Spanish regulation for pavement design ( …

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