2021
DOI: 10.3389/fmats.2021.727925
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Effect of the Alkalized Rice Straw Content on Strength Properties and Microstructure of Cemented Tailings Backfill

Abstract: The tailings and rice straw are waste by-products, and the storage of tailings on the ground and the burning of rice straws will seriously damage the ecological environment. In this study, the effect of different contents of alkalized rice straw (ARS; rice straw was alkalized with 4% NaOH solution) on the mechanical properties and microstructure of cemented tailings backfill (CTB; ARSCTB) was studied through uniaxial compressive strength (UCS), scanning electron microscopy (SEM), and X-ray diffraction (XRD) te… Show more

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Cited by 12 publications
(1 citation statement)
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“…In mine backfill applications, the cement is often used to prevent the AMD formation, and also to offer the mechanical strength, which is critical for the stability of CPB (Hefni and Ali, 2021). To reduce/eliminate the negative effects of AMD which is harmful to vegetation, aquatic life, wildlife, groundwater, and strength of mine backfill (Li et al, 2020;Wang et al, 2021), many researchers have studied to reduce the amount of the cement needed by using different types of cement and additives (Xue et al, 2020;Yan et al, 2020;Huan et al, 2021).…”
mentioning
confidence: 99%
“…In mine backfill applications, the cement is often used to prevent the AMD formation, and also to offer the mechanical strength, which is critical for the stability of CPB (Hefni and Ali, 2021). To reduce/eliminate the negative effects of AMD which is harmful to vegetation, aquatic life, wildlife, groundwater, and strength of mine backfill (Li et al, 2020;Wang et al, 2021), many researchers have studied to reduce the amount of the cement needed by using different types of cement and additives (Xue et al, 2020;Yan et al, 2020;Huan et al, 2021).…”
mentioning
confidence: 99%