Zobrazeno 1 - 10
of 7 503
pro vyhledávání: '"Backfill"'
Publikováno v:
Discover Civil Engineering, Vol 1, Iss 1, Pp 1-26 (2024)
Abstract After decades of mining at Giant Mine in Yellowknife, Northwest Territories, a significant amount of arsenic trioxide roaster waste (ATRW), containing around 60% arsenic, was stored underground, posing serious health hazards. This study expl
Externí odkaz:
https://doaj.org/article/03693ed6b1524c7682c8fef553508c9a
Autor:
Xiaocong YANG, Shenghua YIN
Publikováno v:
工程科学学报, Vol 46, Iss 12, Pp 2147-2158 (2024)
China’s iron ore deposits are generally characterized by substantial thickness and low grade, and this presents challenges for traditional mining methods to satisfy market demands economically and efficiently. To maintain a competitive edge in the
Externí odkaz:
https://doaj.org/article/cc9a8ff3c7154767b146ac3e4462d8d0
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract To address the low utilization rate and environmental pollution of mine tailings (MT) and cement kiln dust (CKD), a CKD-based cemented paste backfill (CPB) material was prepared using quicklime (CaO) and sulfate (DH-7) as a composite alkalin
Externí odkaz:
https://doaj.org/article/620937e77b654283baa534523ec019e6
Publikováno v:
BMC Medical Research Methodology, Vol 24, Iss 1, Pp 1-12 (2024)
Abstract Background Incorporating backfill cohorts in phase I oncology trials is a recently developed strategy for dose optimization. However, the efficacy assessment window is long in general, causing a lag in identifying ineffective doses and more
Externí odkaz:
https://doaj.org/article/62f600a0f0104a43b2cc305a31edbf70
Publikováno v:
Alexandria Engineering Journal, Vol 107, Iss , Pp 583-590 (2024)
In China's coal mine backfill mining projects, certain mines demonstrate an extensive filling distance that exceeds 3000 m. However, there are few researches concerning the theoretical underpinnings for slurry long-distance pipeline transportation. G
Externí odkaz:
https://doaj.org/article/30c1ff7fc0514b609d03918573106aa0
Autor:
Kummari Sekhar, Bendadi Hanumantha Rao
Publikováno v:
Discover Geoscience, Vol 2, Iss 1, Pp 1-15 (2024)
Abstract Due to the paucity of river sand and increased regulations on sand mining, mine fill voids are kept emptied, fostering the demand for alternate backfilling material. This study attempts to develop fly ash based sand (FAB Sand) using abundant
Externí odkaz:
https://doaj.org/article/19f345b6883f4de294e6fb58239ae9f9
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract Backfilling is a promising measure for controlling surface subsidence in mined-out areas and disposing solid wastes from the mineral processing, there are increasing demands of enhanced toughness and anti-cracking properties of backfill mate
Externí odkaz:
https://doaj.org/article/ba1f895dcd22418480695fd9e9c22d2e
Publikováno v:
International Journal of Mining Science and Technology, Vol 34, Iss 7, Pp 909-924 (2024)
During the process of constructional backfill mining, the cemented paste backfill (CPB) typically exhibits a high degree of brittleness and limited resistance to failure. In this study, the mechanical and damage evolution characteristics of waste tir
Externí odkaz:
https://doaj.org/article/4a8fc8ceaf8d4d809c1bef9b06c6ad16