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  • Experimental Study on the Effect of Steel Slag Powder and

     · But the volume expansion of asphalt mixture caused by steel slag powder and fine steel slag was little and compared with the common asphalt mixture the routine pavement performances of the steel slag asphalt mixture were significantly improved. Bangwei Wu. Key Laboratory of Road and Traffic Engineering of the Ministry of Education Tongji

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  • Utilization of Industrial Waste Slag as Aggregate in

     · Chen Meizhu Zhou Mingkai Wu Shaopeng 2007 1 worked on mortar made up of ground granulated blast furnace gypsum clinker and steel slag sand. The ex- perimental results show the application of steel slag sand may reduce the dosage of cement clinker and increase the content of industrial waste product using steel slag sand.

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  • Study on Properties of Expansive Soil Improved by Steel

     · Expansive soil is considered to be an unfavorable soil due to its swelling-shrinking behavior. In order to improve the properties of expansive soil the addition of steel slag powder (SSP) has been used to improve expansive soil that has been mixed with the cement. In this study a series of cylindrical improved expansive soil specimens were prepared which were improved either by the addition

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  • Utilization of steel slag as aggregates for stone mastic

    Abstract Steel slag is a byproduct making up a portion of 15–20 of iron output in an integrated steel mill. Most of them are deposited in slag storing yards and thus results in many serious environment problems in China. This paper aims to explore the feasibility of utilizing steel slag as aggregates in stone mastic asphalt (SMA) mixtures and properties of such asphalt mixtures are

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  • Preparation of Mine Filling Material from Steel Slag Mud

     · Ma et al. 19 prepared a clinker-free solid waste concrete with a composite cementitious material containing steel slag slag and flue gas desulfurization gypsum (FGDG) and concluded that the clinker-free concrete has the optimal content of steel slag powder and meets the 3d strength (22.56MPa) and 28d strength (55.97MPa) required for C50

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  • -CUG

     · Effects of steel slag fillers on the rheological properties of asphalt mastic. Construction and Building Materials 2017 145 . 26. Li Chao Xiao Yue Chen Zongwu Wu Shaopeng. Crack resistance of asphalt mixture with steel slag powder. Emerging 27.

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  • Crack resistance of asphalt mixture with steel slag powder

     · The utilisation of steel slag in asphalt mixtures as filler is rarely reported. The primary objective of this research was to evaluate the effect of steel slag powder (SSP) on the crack resistance of asphalt mixtures. Two types of fillersnamely SSP and limestone powder (LP)were used and LP functioned as the control group.

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  • Effects of Steel Slag Powder and Expansive Agent on the

     · The effects of steel slag powder and hybrid expansive agents on the hydration characteristics and persistent shrinkage of UHPC are investigated. 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.

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  • Utilization of steel slag for cemented tailings backfill

    Comparatively ultrafine steel slag powder cost is only 1/3 of the OPC or GBFS making it an ideal alternative material for CTB to cut down the cost. Unfortunately there is little study on steel slag binders (SSB) for mine backfill concerning high volume steel slag dosage long-term strength and

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  • Effects of steel slag powder on workability and durability

    The workability and durability of a type of sustainable concrete made with steel slag powder were investigated. The hydrated products of cement paste with ground granulated blast furnace slag (GGBFS) alone or with a combined admixture of GGBFS-steel slag powder were investigated by X-ray diffraction (XRD). Furthermore the mechanism of chemically activated steel slag powder was also studied.

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  • Silicon Slag Powdersialloy

     · Silicon Slag Powder also known as low grade silicon powder is a by-product of silicon metal production. Elemental silicon content in the silicon metal slag is usually around 50 elemetal silicon sometimes also called metallic silicon the rest of chemical content includes Al C P S and other oxides.

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  • Effects of Steel Slag Powder on Performance of Concrete

    Slump and compressive strength of the concrete with different steel slag powder content and different finenesses were discussed in this paper. It was indicated that 1) High performance concrete with higher strength can be made using ground steel slag powder. 2) The greater content of steel slag powder the more obvious was the effect of reducing slump losing.

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  • EXPERIMENTAL STUDY ON PROPERTIES OF STRENGTH

     · The copper slag which we used had collected from a dealer of Hindustan copper limited at Vishakhapatnam. The wholesale price of the copper slag is about ₹650/ton and is also economical to use copper slag at the places where it is available. Copper slag . Egg shell powder . Eggshell consists of several mutually growing layers

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  • _USTB

    Powder Technology. 2019 345 . (Q1) 7 Fanghui Han Zengqi Zhang. Properties of 5-year-old concrete containing steel slag powder. Powder Technology. 2018 334 27-35. (Q1) 8 Fanghui Han Li Li Shaomin Song Juanhong Liu. Early-age

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  • Modification of steel slag powder by mineral admixture

     · The mix ratios of the former two groups cement with steel slag powder alone or with a compound admixture of GGBFS-steel slag powder were in Tables 3 and 4 Table 3 the cement paste samples of S0 S10 S20 S30 S40 and S50 were prepared in which cement was replaced by unmodified steel slag powder from 0 to 50 respectively the second group (Table 4) a compound

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  • EFFECT OF MODIFIER AND SUPERFINE STEEL SLAG

    With the increasing of iron and steel production the rational utilization of waste steel slag is very important. At pres-ent it is common to use steel slag as admixture of Portland cement and concrete. In order to further investigate the effect of modifier and superfine steel slag powder on properties of magnesium oxysulfate (MOS) cement the ex-

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  • (PDF) Application of Steel Slag Powder to Enhance the Low

    Moreover adding 5 larger particle steel slag powder can alleviate the severity of reversible aging due to its higher CaO content than that of limestone powder. As a result it can absorb more

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  • Early Hydration Kinetics of Cementitious Materials

     · This study measures the hydration heat emission rate and quantity of cementitious materials containing 10 20 30 and 40 of steel slag (SS) powder at 298 K calculates the kinetic parameters such as the reaction rate constant k the degree of hydration α and the order of reaction n according to the Krstulovic-Dabic hydration kinetics model and discusses the influence of SS content

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  • Effects of temperature and carbonation curing on the

    Abstract In this study 30 of cement was replaced by steel slag to prepare cementitious material additionally higher temperature and carbonation curing were investigated to study the effects of curing conditions on the mechanical properties of steel slag-cement binding materials. The hydration degree of the steel slag cementitious material was analysed by XRD and TG-DTG.

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  • (PDF) An Overview of Utilization of Steel Slag

    Wu 26 also investigated the utilization of steel slag as aggregates for SMA mixtures. Two test sections fly ash steel slag powder and cement clinker to prepare composite cement and observed

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  • Application of steel slag powder to enhance the low

     · Finally using smaller particle size steel slag powder can increase the ductile fracture resistant performance in a superior way than larger particle size. (3) In cold region area steel slag powder asphalt mastic has better low-temperature performance than regular limestone powder system.

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  • Evaluation of Steel Slag Powder as Filler in Hot Mix

     · Steel slag has been used as an aggregate for asphalt mixtures for many years but its excessive volume expansion has limited its wide applicability. With the development of steel-making technology a considerable amount of steel slag powder (SSP) was produced in Shanghai.

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  • Evaluation of Steel Slag Powder as Filler in Hot Mix

     · Steel slag has been used as an aggregate for asphalt mixtures for many years but its excessive volume expansion has limited its wide applicability. With the development of steel-making technology a considerable amount of steel slag powder (SSP) was produced in Shanghai.

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  • Material Properties of Steel Slag-Cement Binding Materials

    AbstractNowadays a large amount of steel slag Parametric Study of Steel Slag Powder as Cementitious Material on Cement Mortars. Qisheng Wu. Professor School of Materials Engineering Yancheng Institute of Technology Jiangsu 224051 China. Email email protected

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  • (PDF) Mould Powder Requirements for High-speed Casting

    Mould powders play an important role in the stability of the continuous casting process of steel. The main functions of mould slag (i.e. molten powder) are to provide sufficient lubrication and to

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  • A review on utilization of steel slag in hot mix asphalt

     · B. Wu L. Liu Y. Feng Evaluation of steel slag powder as filler in hot-mix asphalt mixtures Adv. Civ. Eng. Mater. ASTM 7 (2) (2018) 64–72. Google Scholar 78 American Society for Testing and Materials Standard test method for Marshall Stability and flow of bituminous mixtures.

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  • (PDF) Effects of Steel Slag Powder and Expansive Agent on

    The effects of steel slag powder and hybrid expansive agents on the hydration characteristics and persistent shrinkage of UHPC are investigated. The results indicate that 15 wt. steel slag powder

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  • On the use of blast furnace slag and steel slag in the

     · The content of residual f-CaO in SS is only 1.23 which meets the specification of Chinese national standard GB/T "Steel slag powder used for cement and concrete" that requires f-CaO content of steel slag shall be no more than 3 when used in the preparation of cement and concrete . The content of residual f-MgO in SS is only 0.81 .

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  • Influence of steel slag powders on the properties of MKPC

     · When steel slag powder content was 10 or 20 the 60-day compressive strength of MKPC specimens under water curing condition was high and their strength residual ratios were close to that of M0 (more than 90 ). Download Download high-res image (190KB) Download Download full-size image Fig. 5.

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  • Evaluation of Steel Slag Powder as Filler in Hot-Mix

    Wu et al. 20 found that using steel slag powder as a filler in hot-mix asphalt mixtures could replace mineral filler in asphalt concrete (AC) with better pavement performance. A study 21 has

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  • Effects of temperature and carbonation curing on the

    Abstract In this study 30 of cement was replaced by steel slag to prepare cementitious material additionally higher temperature and carbonation curing were investigated to study the effects of curing conditions on the mechanical properties of steel slag-cement binding materials. The hydration degree of the steel slag cementitious material was analysed by XRD and TG-DTG.

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  • A facile manufacture of highly adsorptive aggregates using

    Industrial by-product steel slag (SS) powder is used in conjunction with porous expanded silicate (ES) powder applying a non-sintered pelletizing method for producing sustainable high adsorptive aggregates and bio-based miscanthus (M) is used to further increase its permeability and porosity. The results show that the bulk density of the

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  • A new formulation for strength characteristics of steel

     · concrete. Steel slag in powder form of about 5 has been used to suppress the swelling potential and improved the strength of expansive soil (Wu et al. 2019). Zalnezhad and Hesami (2019) utilized steel slag aggregate and bitumen emulsion to enhance the performance of micro-surfacing mixture. It was reported that steel slag-containing mixtures

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  • Dry Magnetic Separation RecoveryIron fromSteel Slag

    There are a lot of iron particles in the steel slag powder that can be recycled. In this work the technological parameters of dry magnetic separation were optimized and the screening processwas used to replace the traditional magnetic separation process by low-intensity magnetic field.Somore than 80 wt. concentrate of the iron was obtained which

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  • Experimental Study on Strength Characteristics of

    Expansive soil as an unsaturated cohesive soil is considered a harmful geological soil due to its tendency to expand with water and shrink with loss of water. Especially in the alternating environment between dry and wet (D–W) cycles it can cause engineering accidents because of its deformation. Steel slag powder (SSP) was used as a new curing agent to improve the expansive soil by

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