Ground granulated blast-furnace slag (GGBFS) was provided by Nippon Steel (ST60 compliant with JIS A 6206, density of 2.89 g/cm 3 and, and specific surface area is 6010 cm 2 /g), sand was provided by the Japan Cement Association (compliant with JIS R 5201), and one source of reagent-grade Ca(OH) 2 (CH) was obtained from Kanto …
بیشترThe experimental results obtained show that ordinary Portland cement added less than 30% by manganese slag was improved in mechanical performances and the cement concrete added less than 30% by …
بیشترIn contrast, Figure 2 (c) depicts a slight crack between the silicon manganese slag and ordinary Portland cement used by SMC. The smooth surface of silicon manganese slag slipped, transferred, or moved due to the load added to it during the compressive strength test, which was also a typical failure in many forms of concrete [50 …
بیشترClinker, blast furnace slag (BFS) and electrolytic manganese residue (EMR) were used to make the cement-based cementitious material (CCM) in this research. The activation effect of EMR with different content on the early activity of BFS was studied. The mechanical properties were analyzed by cement mortar test.
بیشتر1. Introduction. Ordinary Portland cement (OPC) is widely acknowledged as an excellent cementitious material owing to its advantages of good operability, low production and usage costs, rapid hardening, etc. [[1], [2], [3], [4]].However, cement production requires copious non-renewable resources such as oil, limestone and clay [5, …
بیشترIntroduction. Cement-based concrete has been and will be in the near future the primary construction and building material of humankind. However, clinker production is characterized as a high-emission (e.g., CO 2, SO 2, and NO x) and high-consumption (e.g., electricity, coal, and limestone) process [1].Contemporary ecological conditions require …
بیشترThe technology of slag cement predates by more than a century, with a patent awarded to Kuhl [] in 1908 and later in 1930. wherein slag was activated with alkaline liquid comprising of potassium hydroxide.In 1937, Chassevent [] conducted experimental research on the reactivity of slag by using an alkaline solution consisting of potassium …
بیشترAs a cementitious material to improve the performance of cement slurry, slag can be added in large amounts to the cement slurry, and is helpful in improving the performance of cement slurry at normal temperatures [39,40,41]. An inorganic preservative is considered in order to improve the high-temperature corrosion resistance of the …
بیشترThe obtained experimental results showed that the manganese slag cement replaced by 2~6% ( wt) manganese slag has better road performance such as mechanical properties, hydro-abrasive erosion and ...
بیشترResults showed that 5% copper slag substitution for portland cement gave a similar strength performance as the control mixture, especially at low w/b ratios (0.5 and 0.6). Higher copper slag (13.5 ...
بیشترSilico-manganese (SiMn) slag has been used to develop alkali activated cement binder. The reactivity of SiMn slag was altered by mechanical activation using eccentric vibratory and attrition mill. The reaction kinetics during alkali activation of SiMn slag and structural reorganization were studied using isothermal conduction calorimetry …
بیشترThe effect of chemical treatment on silicon manganese slag and the effect of curing time on the compressive strength of completely replacement coarse aggregate silicon manganese concrete (SMC) relative to normal weight concrete (NWC) with gravel as coarse aggregate is the subject of this paper. Alkali and acidic base chemicals are used …
بیشترZhang et al. [21] used lime and fly ash as stabilizers and cement as a curing agent to stabilize manganese slag and studied the stabilization effects of Mn and Pb in manganese slag. When the ...
بیشترG. C. Wang, "Slag use as an aggregate in concrete and cement-based materials," in The Utilization of Slag in Civil Infrastructure Construction, pp. 239–274, Elsevier Ltd, Amsterdam, ... "Performance based evaluation of ISF slag as a substitute of natural sand in concrete," Journal of Cleaner Production, vol. 112, pp. 672–683, 2016.
بیشترAbstract. The use of industrial by-products such as blast furnace slag (BFS) partially instead of natural resources in cement and concrete industry is beneficial and necessary from the viewpoint of sustainable development. Ground BFS is used in cement and concrete in different forms for many years in all over the world.
بیشترstudies, Alexandrov and al. [21] improved the recovery of manganese from slag by using metal melts that contains reducing elements as carbon and silicon. An almost 80% recovery of manganese from ferromanganese slag was performed by Naganoor et al. [22] using the calcination of the mixed slag with CaO and CaCO3 and then using a …
بیشترThis paper reviews the potential use of silico-manganese slag (SiMnS) as binder and aggregate in Portland cement and geopolymer concrete. SiMnS is a byproduct of alloy steel production.
بیشترJournal of Sustainable Cement-Based Materials List of Issues Volume 12, Issue 9 ... Insight into mechanical properties and microstructure of concrete containing steel slag and ground-granulated blast-furnace slag. Shaofeng Zhang a Department of Civil Engineering, Xi'an University of Architecture and Technology, ...
بیشترIn the paper, ordinary Portland cement was replaced partly by manganese slag to then evaluate manganese slag' effect on mechanical performances of them. The experimental results obtained show that ordinary Portland …
بیشترThis paper reviews the potential use of silico-manganese slag (SiMnS) as binder and aggregate in Portland cement and geopolymer concrete. SiMnS is a byproduct of alloy steel production. Depending on the process of solidification, the slag is available in crystalline hard stone type and granulated glassy form.
بیشتر1. Introduction. Supplementary cementitious materials (SCMs) have become an indispensable part of modern cement and concrete for enhancing the performance of cement and concrete [1].More importantly, SCMs can effectively replace the amount of clinker in cement and concrete, then reduce CO 2 emissions from the cement industry …
بیشترIntroduction Supplementary cementitious materials (SCMs) have become an indispensable part of modern cement and concrete for enhancing the performance of …
بیشترManufacturers usually control color of white cement by limiting the amount of iron and manganese oxides allowed. why is it used in decorative concrete. ASTM C 595 on blended cement includes other pozzolanic or slag materials in the cement. There is no inherent reason why white cement could not be produced under C 595.
بیشترManganese slags have been assessed as potential supplementary cementitious materials for partial replacement of Portland cement, although its effectiveness is affected by the content of MnO in the ...
بیشتر1. Introduction. Steel slag (SS) is a by-product of the steel-making process, and about 150 kg of SS is produced during the manufacture of 1 t of steel [1, 2].In contrast to developed countries, the utilization rate of SS in China is only about 10% [3].Steel slag can be disposed in road construction, cement production and other fields, but due to the …
بیشترThe novelty of the method in this study in comparison to silicomanganese slag in cement-based concrete and in alkali-activated concrete were discussed in last paragraph in introduction, display as ' This paper uses silicomanganese slag powder to replace the grounded blast furnace slag to generate alkali-activated silicomanganese …
بیشترManganese slag can also be used as a binder and aggregate in Portland cement and concrete, thus improving the mechanical strength and enhancing the properties of the concrete (Nath et al., 2022 ...
بیشترHowever, mortars with cement replaced by 30–50 wt% SMS showed excessive Mn leaching concentration (up to 31 mg/L) through the sulfuric acid-nitric acid …
بیشترThe present work reviews the various mineral admixtures used in concrete which modifies the concrete properties. In this study, cement is partially or completely replaced by different mineral admixtures such as fly ash, silica fume, rice husk ash, Ground Granulated Blast Furnace Slag, palm oil fuel ash and metakaolin. The strength obtained …
بیشترManganese slag can also be used as a binder and aggregate in Portland cement and concrete, thus improving the mechanical strength and enhancing the properties of the concrete (Nath et al., 2022). In addition to their mechanical influences, the impacts of extrinsic heavy metals on the cement clinker calcination process have …
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