Properties of silicon manganese slag as an aggregate for concrete depending on cooling conditions

Choi, Hong-Beom; Kim, Jin-Man

doi:10.1007/s10163-020-01003-8

Cited by 11 publications

(2 citation statements)

References 14 publications

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“…Silico manganese slag is a result of the carbothermic reduction of high-MnO ferroalloys in submerged arc furnaces. Despite having a higher SiO 2 content and a lower CaO content, a problem that can be addressed by blending it with fly ash [46][47][48], it has considerable potential as a supplementary cementitious material (SCM) due to its comparable reactivity [46] and quick cooling which promotes an amorphous form [47]. These studies have identified the coexistence of FA-derived slag-activated gel (C-S-H/C-A-S-H) and geopolymer gel (N-A-S-H) within the blended matrix [29].…”

Section: Introductionmentioning

confidence: 99%

Performance Analysis of Self-Compacting Concrete with Use of Artificial Aggregate and Partial Replacement of Cement by Fly Ash

Patil,

Jayale,

Arunachalam

et al. 2024

Buildings

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Artificial aggregate (AF), i.e., silico manganese (SiMn) slag aggregate, is a byproduct of ferromanganese and silico manganese alloy production. The utilization of industrial waste and industrial byproducts in construction has increased the aim of conserving natural resources to nurture a pollution-free environment. The current study examines the performance of the use of artificial aggregate (AF) and partial replacement of cement with fly ash (FA). The properties of fresh concrete, as well as the compressive and flexural strength and split tensile strength of concrete were evaluated. Seven mix proportions were prepared for M30-grade concrete. The first was a control mix (with 0% AF and FA), three other mixes contained varying amounts of AF (20%, 40%, and 60%) as a partial replacement of CA with AF. The average compressive strength of the control SCC was found to be 32.87 MPa (megapascals) at the age of 28 days, and after replacing 20% natural aggregate with artificial aggregate, the compressive strength increased by 8.27%, whereas for 40% and 60% replacement, it decreased by 4.46% and 12.55%, respectively. Further investigation was performed on the optimum value obtained by replacing 20% of CA with AF. At this percentage, cement was replaced by FA at (15%, 25%, and 35%) where at 15%, the average compressive strength increased by 7.41%, whereas for 25% and 35% replacement, it decreased by 7.47% and 17.19%, respectively. For SCAF20 and SCF15, all strengths were at maximum due to the increase in its density. The findings show that the development of advanced construction materials is environmentally sustainable.

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Section: Introductionmentioning

confidence: 99%

Performance Analysis of Self-Compacting Concrete with Use of Artificial Aggregate and Partial Replacement of Cement by Fly Ash

Patil,

Jayale,

Arunachalam

et al. 2024

Buildings

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“…porosos, angulosos e com fraturas lisas, decorrente do seu resfriamento lento com água, formando poros internos pela evaporação do vapor de água(CHOI et al, 2016;CHOI;KIM, 2020); o tom escuro e verde indica o alto teor de óxidos…”

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Influência das propriedades físico-químicas de diferentes escórias como material cimentício suplementar.

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Effect of Chemical Treatment on Silicon Manganese: Its Morphological, Elemental and Spectral Properties and Its Usage in Concrete

Yun

Bakri

Rahman

et al. 2022

Silicon

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The 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 to alter the neat silicon manganese slag during chemical preparation. The mixture pattern proportions for Grade 30 and Grade 50, respectively, were used to create the concrete. Before the compressive strength tests, the samples were cast and cured for 7-, 14-, and 28-days. The properties of the silicon manganese slag and its concrete were studied using a scanning electron microscope (SEM), energy dispersive x-ray spectroscopy (EDS), and Fourier transform infrared spectroscopy (FTIR). The compressive strength of SMC30 and SMC50 obtained were 37.3 MPa and 51.1 MPa, respectively, on the 28-day. The alkaline treatment smoothest the matrix, while the acid treatment roughens the composition of the silicon manganese slag, according to SEM. The functional group demonstrated a major improvement in FTIR, while EDS revealed a high content of both silicon (Si) and manganese (Mn) elements. As a result, it can be observed that the power of SMC increases as the curing time increases for samples with complete replacement of normal aggregates using silicon slag.

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Properties of silicon manganese slag as an aggregate for concrete depending on cooling conditions

Cited by 11 publications

References 14 publications

Performance Analysis of Self-Compacting Concrete with Use of Artificial Aggregate and Partial Replacement of Cement by Fly Ash

Performance Analysis of Self-Compacting Concrete with Use of Artificial Aggregate and Partial Replacement of Cement by Fly Ash

Influência das propriedades físico-químicas de diferentes escórias como material cimentício suplementar.

Effect of Chemical Treatment on Silicon Manganese: Its Morphological, Elemental and Spectral Properties and Its Usage in Concrete

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