The objective of this study is to explore the feasibility of developing environmentally friendly green roller-compacted concrete (RCC) by utilizing locally available materials. The research investigates the behavior of …
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To evaluate the possibility of using phosphorus slag powder instead of mineral powder as a filler in asphalt mastic, this study investigates the micro-characteristics of phosphorus slag powder and its viscoelastic mechanical properties in asphalt mastic. A systematic approach combining macro and micro test methods was used to analyze …
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The current ASTM standard for measuring cement density is the "Test Method for Density of Hydraulic Cements" (ASTM C188-14), which utilizes a liquid displacement method to measure the volume ...
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PDF | On Mar 10, 2016, Arash Aghaeipour and others published Effect of blast furnace slag powder on moisture, density and compressive strength of RCC pavements and compared with the Taguchi method ...
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1. Introduction. Steel slag is a by-product of steel manufacturing [].Approximately 160 kg of steel slag is generated per ton of steel produced [].The common chemical compounds in steel slag are SiO 2, CaO, Fe 2 O 3, Al 2 O 3, and MnO [3, 4].The major mineral components of steel slag are C 3 S, C 2 S, C 4 AF, RO phase, and free …
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It can be seen from Table 2 that the SSP has the highest density, i.e., ... The aggregate grading was selected based on the Test Methods of Aggregate for Highway Engineering (JTG E42-2005), with a maximum nominal size of 19 mm. ... The difference is that the excessive steel slag powder (such as 75% and substitution) will make the …
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Steel slag powder as supplementary cementitious materials: ... 2.2.1. Density Test . ... it can be found that the steel slag produced by the drum method from BG has the highest apparent density. Relative to drum method slag, the rougher production process of hot smothering steel slag and hot splashing slag reduces the density of …
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Hence, the amount of gypsum to react with C 12 A 7 should be determined. In this research, first, the amount of C 12 A 7 was calculated based on the modified Bogue equation [23].Originally, the Bogue equation is used to calculate the amount of C 4 AF, C 3 A, C 2 S, and C 3 S from cement powder, it starts based on the assumption of the …
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Steel slag powder, with particle size less than 0.074 ... sintering time of 6.0 hr, and 10% coal powder. The density, porosity, and compressive strength of the specimens are presented in Table 2. ... and the results were compared with the standard testing methods. This review has elaborated on the vibroacoustic damping properties …
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There are several methods to determine the density of slags, such as weighing a fixed volume, using a manometer or analyzing sessile drops. ... Ashes were melted in the tensiometer furnace to form slag. 0.3–0.4 g of powder was used for each test using 13 and 25.4 ... For synthetic coal slag density measurements on 8 ...
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Incorporating an appropriate amount of slag powder into concrete can boost construction performance, enhance cracks and wear resistance. Incorporating 10% to 60% of slag powder can fill micropores and defects in concrete, cement hydration produces Ca(OH)₂, which provides the necessary alkaline environment for the hydration of slag.
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Steel slag has similar properties to those of conventional aggregates, and because of this it has been widely used in road construction [9]; the high density and high hardness of steel slag makes ...
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1. Introduction. Steel slag is a by-product of steel manufacturing [].Approximately 160 kg of steel slag is generated per ton of steel produced [].The …
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Experimental results indicated that the optimal performance was achieved when RP, slag powder and fly ash were mixed in a ratio of 60%, 20% and 20%, respectively. They speculated that RP, like fly ash, exhibited a "micro-aggregate" effect, which can effectively reduce the drying shrinkage of alkali-activated material. ... Test …
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Steel slag micronized powder, granulated blast furnace slag, and cement were used as cementitious materials to prepare a ed lightweight soil for roadbed filling to reduce the settlement and additional stress of the foundation and to solve the environmental problems caused by the storage of large amounts of steel slag. However, …
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To evaluate the possibility of using phosphorus slag powder instead of mineral powder as a filler in asphalt mastic, this study investigates the micro-characteristics of …
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Method for calculating packing density of powder particles in paste with continuous particle size distribution. ... Each paste sample with different water powder ratio contains 500.0 g slag and a mass dosage of 2.5% water reducer. Three samples were measured repeatedly for each water powder ratio. ... Chinese standard test method for …
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Level S95 blast furnace slag powder (BFS) with a density of 2.88 g/cm 3, activity index above 95%, a specific surface area of 437.1 m 2 /g and a loss on ignition of 2.21% manufactured by Hebei Chuangtian Engineering Materials Co., Ltd., Shijiazhuang, China, is used as another mineral admixture. The aggregate in this study is quartz sand ...
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100 Bureau dr., Gaithersburg MD 20899. [email protected]. 301-975 5865. [Expertise: cement, concrete, test meth ods] Abstract. The accurate measurement of the density of …
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Utilizing steel slag aggregate (SA) as a substitute for river sand in 3D concrete (3DCP) has emerged as a new technique as natural resources become increasingly scarce. This study investigates the feasibility of using steel slag (SS) as fine aggregate for 3DCP. Ninety mixtures with varying steel slag aggregate-to-cement ratios (SA/C), water-to …
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The injection method was employed to measure the angle of repose of the slag powder. The volumetric method was used to measure the natural stacking density of the slag powder. To measure the tapped bulk density of the powder, the material container was placed on an electric vibrating table for testing the cement fluidity and …
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The use of ferronickel slag powder (FNSP) as a cementitious additional material has been supported by numerous reports. ... Study on Key Parameters and Design Methods for the Density-Mix Proportion of Rubber-ed Concrete. ... GB/T 50081-2019; Standard for Test Methods of Concrete Physical and Mechanical Properties. …
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2.1. Raw Materials. A P·O 42.5 ordinary Portland cement (PC) was provided by Ningbo Hailuo Cement Co., Ltd., Ningbo, Zhejiang, China, with a specific surface area of 365 m 2 /kg, a density of 3.1 g/cm 3, and a loss on ignition value of 2.2%.The steel slag powder (SS) was provided by Hebei Jingye Steel Co., Ltd., Shijiazhuang, Heibei, China.
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1.1 This test method covers the determination of density for powder metallurgy (PM) materials containing less than two percent porosity and for cemented carbides.This test method is based on the water displacement method. NOTE 1—A test specimen that gains mass when immersed in water indicates the specimen contains surface-connected …
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The slag powder selected for this experiment was S95 slag powder, which was greyish white in color (Fig. 3 (b)) and had a density of 2.96 g/cm 3, and its chemical components are shown in Table 1. The fly ash selected for this experiment is power plant fly ash, the color is grey ( Fig. 3 (c)), the density is 2.45 g/cm 3, and its chemical ...
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When the slag powder replacement rate (by mass) does not exceed 20%, ... ASTM C127-88, Standard Test Method for Density, Relative Density (Specific Gravity), and Absorption of Coarse Aggregate, 2001. Google Scholar [56] BS EN 12620:2013, Aggregates for concrete, 2013. Google Scholar
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To evaluate the possibility of using phosphorus slag powder instead of mineral powder as a filler in asphalt mastic, this study investigates the micro-characteristics of phosphorus slag powder and its viscoelastic mechanical properties in asphalt mastic. A systematic approach combining macro and micro test methods was used to analyze …
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The scanning angle range for testing is 5–80° 2θ, and the scanning speed is 2 °/min with a step size of 0.02°. The Rietveld refinement method of XRD quantification was conducted via the HighScore Plus software to determine the amorphous content of precursors, and the results are shown in Table 2. The broad diffraction peak of SL is in ...
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2.2. Experimental methods. PC–SCA composite mortar prisms measuring 40 × 40 × 160 mm were prepared for fluidity and strength measurements according to Chinese National Standard Method of Testing Cements: Determination of Strength (GB/T 17671-1999). The ratios of binder to sand, water to binder, and PC to SCA were 1:3, 1:2 …
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In addition, the anti-aging behavior of ESAM was investigated by thin film oven test (TFOT) and ultraviolet (UV) accelerated aging, and the high and low temperature rheological behavior of ESAM were examined ... Steel slag powder: Density (g/cm 3) 3.56: ... It is a method of simulating and tracking the movement of molecules to determine ...
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