Preparation of Reactive Powder Concrete Using Fly Ash …
Ed. Apr.2010 349 DOI 10.1007/s11595-010-2349-0 Preparation of Reactive Powder Concrete Using Fly Ash and Steel Slag Powder PENG Yanzhou 1, 2 H,U Shuguang 2 un ngj Qi NG, DI 2 (1. College of Hydraulic & Enviormental Engineering, China Three Gorges University, Yichang 443002, China; 2. Key Laboratory for Silicate Materials Science and ...
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Effect of ground steel slag powder on cement properties
The materials used for this study included Portland cement and steel slag powder with seven different specific surface areas. The properties of cement pastes and mortars with steel slag powder were tested including water requirement of normal consistency, setting time, fluidity, soundness, compressive and flexural strength.
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Influence of CSH grown in situ on steel slag powder on the …
The P.II 52.5 Portland cement (PC) was produced by Jiangnan-Onoda Cement Co. Ltd, and the steel slag powder (SSP) was provided by Jiangsu Yancheng Lianxin Iron and Steel Co. Ltd. Their chemical composition was tested by X-ray florescence (XRF) (ARL Perform'X 4200, Thermofisher) and given in Table 1. Particularly, their loss …
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Applications of Steel Slag Powder and Steel Slag …
The applications of steel slag powder and steel slag aggregate in ultra-high performance concrete (UHPC) were investigated by determining the fluidity, nonevaporable water content, and pore structure of paste and the compressive strength of concrete and by observing the morphologies of hardened paste and the concrete …
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Mechanical and durability assessments of steel slag-seashell powder …
Steel slag-seashell powder-based geopolymer concrete is satisfactory only as non-loading bearing concrete or mass concrete. vii) The geopolymer binder synthesized from steel slag-seashell powder and sodium silicate can be applied as walling materials in hot temperature regions due to their better thermal insulating properties at 20% seashell ...
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Effect of steel slag powder and stone powder by-product …
Recently, the effect of using steel slag alone is not satisfactory and the performance of blended cementitious materials is expected to improve after compounding with other admixtures. In this study, steel slag powder (SSP) and SP by-products from manufactured sand were employed with a total dose of less than 30% as a replacement for cement.
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Comprehensive utilization of steel slag: A review
1. Introduction. Steel slag is the main solid waste generated in the steel-making process, accounting for 15 to 20% of crude steel output [1].China's crude steel output in 2021 was 1.035 billion tons [2], more than half of the global crude steel output (1.9505 billion tons) [3], and the steel slag output exceeded 120 million tons.In contrast, …
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Effect of Steel Slag Powder on the Performance of …
Steel slag powder and construction waste have received widespread attention for their resource utilization as solid waste. This article uses steel slag powder and recycled concrete aggregates to prepare controlled low-strength materials (CLSM). The study investigates the influence of steel slag powder replacing cement and …
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A comparison of early hydration properties of …
minerals in steel slag is much lower than that in cement because the cooling rate of steel slag is much lower than that of cement [12, 13]. So the activity especially the early activity of steel slag is much lower than that of cement [14]. Limestone powder is acquired from the grinding of limestone, and its particles are normally smaller than 5 lm.
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Study on Compressive Strength of Concrete Mixed by Steel …
The experimental results show that: 1. Under the premise that the total amount of composite substitution is 40%, increasing the content of steel slag powder can …
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Application of Steel Slag as an Aggregate in Concrete …
Steel slag particles can potentially be used as aggregates in concrete production. However, the volume stability of steel slag is poor, and the direct use of …
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Fracture Behavior of Steel Slag Powder-Cement-Based …
Compared with concrete without steel-slag powder, adding appropriate steel-slag powder can effectively improve the bond performance between aggregate …
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A comparison of early hydration properties of cement–steel slag …
The early hydration properties of cement–steel slag composite binder and cement–limestone powder composite binder were compared in this study by determining the hydration heat of binder within ...
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Effectiveness of waste steel slag powder on the
This can be explained that HA not only hinders the hydration of cement and steel slag, but also dissolves the Ca(OH) 2 produced by cement and steel slag hydration, thus reducing the pH of HCSDS. From Fig. 15 (b), the pH values corresponding to the maximum UCS of HCSDS containing 0.5, 1.5 and 2.5% HA are 9.99, 9.89 and 9.91, …
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Design and assessment of eco-friendly ultra-high performance concrete …
Design and assessment of eco-friendly ultra-high performance concrete with steel slag powder and recycled glass powder. / Xu, Jing; Zhan, Peimin; Zhou, Wei et al. In: Powder Technology, Vol. 419, 118356, 01.04.2023. Research output: …
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Fracture Behavior of Steel Slag Powder-Cement-Based …
Materials 2022, 15, 2243 2 of 15 instead of cement, the steel-slag powder has a cementing activity that occurs under the mixture system with continuous hydration, which not only effectively ...
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Steel slags in cement-based composites: An ultimate review …
Steel slags have a chemical composition close to that of the Portland cement clinker, mainly constituted by calcium-silicates and calcium-ferrites, which makes this industrial waste potentially usable as a raw material for cement and concrete production [91].The presence of steel slag in the clinker manufacturing process reduces the …
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Fracture Behavior of Steel Slag Powder-Cement-Based Concrete …
The influence of different replacement ratios of steel-slag powder as cement-replacement material on the fracture performance of concrete is studied in this paper. A three-point bending fracture test is carried out on slag powder-cement-based concrete (SPC)-notched beams with steel-slag powder as cementitious materials, …
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Study on Compressive Strength of Concrete Mixed by Steel …
Abstract. Using steel slag powder and fly ash to replace cement can promote the secondary utilization of industrial solid waste and protect the ecological …
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Applications of Steel Slag Powder and Steel Slag …
industrial by-products, such as ground-granulated blast furnace slag, phosphorus slag, y ash, and copper slag, in UHPC have been reported [39–42].
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Characteristics of Pavement Cement Concrete Incorporating Steel Slag Powder
After thermal braising and magnetic separation, steel slag is often ground into steel slag powder (SSP), which contains active silica (SiO2) and can be used as a cementitious material to replace part of the cement and applied in concrete. However, there have been relatively few studies on the influence of SSP on the …
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Mechanical Properties and Microscopic Mechanism of a
The possibility of using polydisperse steel-smelting slag for the production of type B asphalt concrete is investigated, the possibility of its use as a mineral powder, crushing screening and ...
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Study on Compressive Strength of Concrete Mixed by Steel Slag Powder
Steel slag is regarded as overburned Portland cement clinker, which can be used as auxiliary cementing material to improve the activity of cement, while fly ash can improve the workability of concrete and improve the later strength of concrete. 3. The recommended optimal composite substitution ratio is cement: steel slag powder: fly …
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Application of High Performance Concrete Mixed with Steel …
Used in combination with Super-plasticizer admixture, steel slag powder can lead to economical high performance concrete for highway pavements with …
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Preparation of Reactive Powder Concrete Using Fly Ash and Steel Slag Powder
Journal of Wuhan University of Technology-Mater Sci Ed 25(2):349-354; DOI:10. ... is used as a cementitious material instead of cement, the steel-slag powder has a cementing activity that occurs ...
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Applications of Steel Slag Powder and Steel Slag …
When the cement replacement ratio is no more than 10%, the proportion of pores larger than 50 nm in the hardened paste containing steel slag powder is close to that of the control sample, and the ...
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Materials | Free Full-Text | Mechanical Properties and …
The objective of this study was to reduce the stockpile of steel slag, which is a solid waste generated in the steelmaking process, and promote the resource utilization of steel slag powder (SSP) in construction projects. Experimental research was conducted on SSP and fly ash (FA) as supplementary cementitious materials. Composite cement …
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Minerals | Free Full-Text | Effects of Steel Slag Powder as A
The utilization rate of steel slag in China is far behind that of developed countries. The annual output of steel slag is still increasing, resulting in a large amount of accumulation, causing environmental pollution. This paper summarizes and analyzes the relevant research on steel slag powder (SSP) as a cementitious material, studies the …
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Design and assessment of eco-friendly ultra-high performance concrete …
Design and assessment of eco-friendly ultra-high performance concrete with steel slag powder and recycled glass powder. Author links open overlay panel Jing Xu a b, Peimin Zhan a, ... Steel slag powder (SSP) is a common industrial waste derived from iron and steel works. ... J. Wuhan Univ. Technol. Mater. Sci. Ed., 28 (2013), pp. 963-967 ...
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JRM | Experimental Research of Concrete with Steel Slag Powder …
The optimum mix ratio of C40 steel slag powder-zeolite powder concrete is obtained, and which had the slump of 220 mm, the 3 d, 7 d and 28 d compressive strengths of 27.8 MPa, 37.5 MPa and 48.4 MPa, the 6 h electric flux of 950 C and the diffusion coefficient of 1.65 × 10 −12 m 2 /s.
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