It was found that silicon manganese slag could complement cement and be used as cementitious materials in concrete. ... B. Influence of silica fume on properties of fresh and hardened ultra-high performance concrete based on alkali-activated slag. Cem. Concr. Compos. 2019, 100, 53–59.
ادامه مطلبGround granulated blast-furnace slag (GGBS) is a green construction material used to produce durable concrete. The secondary pozzolanic reactions can result in reduced pore connectivity; therefore, replacing partial amount of Portland cement (PC) with GGBS can significantly reduce the risk of sulfate attack, alkali–silica reactions and …
ادامه مطلبEnvironmental impact assessment of fly ash and silica fume based geopolymer concrete. J. Clean. Prod., 254 (2020), 10.1016/j ... structural and microstructural properties of CFB …
ادامه مطلبDOI: 10.1016/j.conbuildmat.2022.126515 Corpus ID: 246267243; Preparation of composite micro-slag based on the application of tailings slag in cement and concrete @article{Peng2022PreparationOC, title={Preparation of composite micro-slag based on the application of tailings slag in cement and concrete}, author={Yajuan Peng and Zhong …
ادامه مطلبThe use of ladle slag as a replacement for natural aggregates as coarse aggregate in concrete has gained attention in recent years due to its potential benefits in terms of sustainability and waste reduction. The paper aims to investigate the influence of ladle slag as a coarse aggregate replacement on various properties of concrete, …
ادامه مطلبSemantic Scholar extracted view of "Precise mix-design of Ultra-High Performance Concrete (UHPC) based on physicochemical packing method: From the perspective of cement hydration" by T. Yin et al. ... Promoting the application of water-quenched manganese slag in high-strength mortar through high pressure-temperature …
ادامه مطلبThe formation of hydroxy-manganese was due to the solidification of divalent manganese ions, mainly caused by the ionization of the added magnesium oxide in the interstitial water of the electrolytic manganese slag to produce hydroxide ions. Download: Download high-res image (826KB) Download: Download full-size image; Fig. 4.
ادامه مطلبManganese slag (MS) containing a certain amount of active hydration substances may be used as a kind of cementitious material. In the present study, we measured the mass, the relative dynamic modulus of elasticity (RDME), and the flexural and compressive strengths of MS high-performance concrete (MS-HPC) with added basalt …
ادامه مطلبThe functional and mechanical properties of steel slag (SS)–red mud (RM)–electrolytic manganese residue (EMR)-based composite mortar under different matching ratio conditions were investigated in this paper to examine the synergistic cementing effect among multiple solid wastes. The hydration characteristics of the …
ادامه مطلبIn order to inquiry the effect of manganese slag powder on the asphalt mixture pavement performance, With the asphalt mixture specimens produced by adding manganese slag powder of 1.5, 3.0, 4.5and…
ادامه مطلبAccording to International Manganese Institute (IMnI) statistics, worldwide production of SiMn alloy in 2018 is around 16 million tons, which is 16% more than 2017 …
ادامه مطلبThis paper discusses mineral composition and pore microstructure characteristics of water-cooled manganese slag and its effects on durability of …
ادامه مطلبIt is of great importance to innocuity, minimization and reutilization of manganese slag generated in manganese product by electric furnace process. In the …
ادامه مطلبBased on concrete 3SR-60 with better mechanical strength, the compressive strength laws of concrete 30-0, 3SR-0, 2SR-60, 3SR-60 and 4SR-60 at different ages were normalized to reveal the influence of dosage of silicon-manganese slag and cement on the strength of concrete. The results are shown in Figure 9. It can be …
ادامه مطلبManganese slag (MS) containing a certain amount of active hydration substances may be used as a kind of cementitious material. In the present study, we measured the mass, the relative dynamic modulus of elasticity (RDME), and the flexural and compressive strengths of MS high-performance concrete (MS-HPC) with added basalt …
ادامه مطلبCement mortar was prepared at a ratio of 1:3 as per the Indian standard IS:2250-1981. 1:3 grade of cement mortar considered in the proportion of cement: M-sand: Slag sand (C:M:S). An experimental investigation of slag sand was done by preparing a mortar with varying aggregate percentages from 0 to with an interval of 25%.
ادامه مطلبPerformance comparison of cement replacing materials in concrete: Limestone fillers and supplementary cementing materials – A review. Daman K. Panesar, Runxiao Zhang, in Construction and Building Materials, 2020 2.3 Slag cement. Slag cement is a by-product from the iron manufacturing industry. Molten slag is produced with molten iron in blast …
ادامه مطلبThe performance of prepared samples were compared to Portland cement based concrete that subjected t o similar conditions. The performance results shows the sulfate attack which led to the
ادامه مطلبWith the emergence of ultra-high performance concrete (UHPC) as an emerging cement-based composite material, it has gradually received extensive …
ادامه مطلبIndustrial solid waste is characterized by complex mineral phases and various components. Low-carbon cementitious materials can be prepared through precise regulation based on the material composition and properties of various industrial solid wastes. In this study, electrolytic manganese residue (EMR), carbide slag (CS), and …
ادامه مطلب1. 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 …
ادامه مطلبHowever, as shown in Fig. 1, due to the huge capacity gap between the steel industry and the cement industry, the supply of GBFS is far from meeting the demand of the cement industry and some countries even rely on imported GBFS to meet their demands.In addition, the price of S95 GBFS used in the cement and concrete industry …
ادامه مطلبDOI: 10.1016/J.POWTEC.2013.03.003 Corpus ID: 97208274; Preparation of electrolytic manganese residue–ground granulated blastfurnace slag cement @article{Wang2013PreparationOE, title={Preparation of electrolytic manganese residue–ground granulated blastfurnace slag cement}, author={Jia Wang and Bing …
ادامه مطلبManganese slag (MS) containing a certain amount of active hydration substances may be used as a kind of cementitious material. In the present study, we …
ادامه مطلبAs a result of the studies performed, it was found that the addition of dispersed sludge with manganese oxide in an amount of 4% of the cement mass to a cement binder leads to the activation of ...
ادامه مطلبThe Properties of High-Performance Concrete with Manganese Slag under Salt Action. March 2024; Materials 17(7):1483; ... Cement is still one of the most widely …
ادامه مطلبAt present, the application of EMR in building materials is simply blended into cement concrete, which fails to take advantage of its high content of sulfate [15]. Blast furnace slag (BFS) is a kind of waste slag discharged from a blast furnace in pig iron smelting, and it is a kind of high-quality concrete admixture [16].
ادامه مطلب1. Introduction. Geopolymer concrete has been highly recommended as a suitable alternative to ordinary Portland cement (OPC)-based concrete over the past few years [1].Indeed, it is known for its good compressive and splitting tensile strengths which can reach over 60 and 3 MPa respectively [2].Furthermore, in comparison to OPC …
ادامه مطلبElectrolytic manganese residue (EMR) is added into ground granulated blastfurnace slag (GGBS) as an activator to prepare EMR–GGBS cement. The effects of chemical activation, mechanical activation, water-to-cement ratio and the curing process on the strength and setting properties of EMR–GGBS cement are investigated based on its …
ادامه مطلبmanganese slag has a good activity th at coul d affect the performance of concrete [7]. Due to the rapid development of the steel industry, a large amo unt of metallurgical slag needs to be recycled.
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