Effect of fine steel slag powder on the early hydration …
Hydration heat evolution, non-evaporative water, setting time and SEM tests were performed to investigate the effect of fine steel slag powder on the hydration process of Portland cement and its mechanism. The results show that the effect of fine steel slag powder on the hydration process of Portland cement is closely related to its chemical …
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 …
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 ...
ReviewSteel slag and its applications in cement and concrete …
Substituting 10% steel slag powder instead of cement in the manufacture of self-compacting concrete has increased the filling and passing capacity of concrete …
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 …
Mechanical properties of self-compacting concrete using …
The experimentation is carried out on M20 grade concrete, by partially replacing the cement with 20% of glass powder and fine aggregate with varying …
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 …
Mechanical and durability assessments of steel slag-seashell powder …
The optimum GPC compressive strength on a 100 × 100 × 100 mm 3 cube for 3, 7, 14, 28, and 56 curing days was obtained with 10% seashell, while seashell replacement exceeded 10% declined in strength. Portland cement concrete achieved better mechanical strength when compared to steel slag seashell powder geopolymer …
(PDF) Effects of Steel Slag Powder and Expansive Agent on …
The results indicate that 15 wt.% steel slag powder and 5 wt.% hybrid expansive agents can effectively reduce the drying shrinkage deformation of UHPC with a slight decrease of strength.
Comprehensive utilization of steel slag: A review
Steel slag micronized powder has garnered considerable interest for its large specific surface area and high activity. Qiao [54] mixed finely ground steel slag …
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, compressive strength, and …
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 …
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.
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 ...
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 ...
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 ...
Effect of fine steel slag powder on the early hydration …
The results showed that the effect of fine steel slag powder on the hydration process of Portland cement is closely related to its chemical composition, mineral phases, fineness, etc. Fine steel ...
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, …
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 …
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 ...
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 …
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 …
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.
Study on Compressive Strength of Concrete Mixed by Steel Slag Powder
The recommended optimal composite substitution ratio is cement: steel slag powder: fly ash = 12:5:3. ... B y mi x i n g w i t h f l y as h, i t p l a ys t h e ro l e of.
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 …
Properties of High-Content Micro-Steel Fiber Self-Compacting Concrete …
Therefore, this study aims to explore the effects of partially substituting cement with fly ash and slag powder as gel materials, while incorporating a high volume fraction of micro-steel fibers (6%), on the workability and mechanical properties of self-compacting concrete. By means of rigorous experimental investigation and meticulous …
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: …
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 …
Effects of Steel Slag Powder on Workability and Durability of Concrete
Steel slag powder was used widely in cement concrete industry and road construction to improve the workability and durability of cement concrete construction materials (Cui et al., 2016;Guo and ...
Ultra-high performance concrete design method based on
The cementitious materials used in UHPC are P.O. 52.5 Portland cement (PC), fly ash (FA), silica fume (SF) and steel slag powder. The cementitious material's chemical composition is shown in Fig. 2.The 28-day compressive strength of PC is 54.5 MPa and the density is 3.07 × 10 3 kg/m 3, which conforms to the National Standard …