Zobrazeno 1 - 10
of 72
pro vyhledávání: '"high water material"'
Publikováno v:
矿业科学学报, Vol 9, Iss 3, Pp 446-454 (2024)
This study aims to address existing problems of complex stress conditions and difficulties in retaining roadway so as to achieve long-term stability of roadway surrounding rock in gob-side entry in thin coal seam. Specifically, we investigated the 43
Externí odkaz:
https://doaj.org/article/e525fa465d3c4cb1aa2a889e1919c586
Publikováno v:
Meikuang Anquan, Vol 54, Iss 8, Pp 90-98 (2023)
In order to solve the problem of large deformation of surrounding rock in gob-side entry retaining in fully mechanized coal seam with large buried depth, taking the 182605 working face of Wutongzhuang Coal Mine as the engineering background, through
Externí odkaz:
https://doaj.org/article/20df40c4955a46ce86caefcb944438ea
Publikováno v:
International Journal of Coal Science & Technology, Vol 9, Iss 1, Pp 1-18 (2022)
Abstract To ameliorate the defects of insufficient support resistance of traditional roadside filling bodies for gob-side entry retaining (GER), overcome the inability to adapt to the deformation of surrounding rock, and isolate the goaf effectively,
Externí odkaz:
https://doaj.org/article/2c3a39f4a37245308af26cd232802b32
Publikováno v:
Meikuang Anquan, Vol 52, Iss 10, Pp 64-69 (2021)
In order to study the impact of the permeable surrounding rock in the underground filling area on the performance of the super-high water material filling body, the use of super-high water material （water-cement ratio 6∶1） and creep test device
Externí odkaz:
https://doaj.org/article/54651a66a0ce486287d0e0d585c17ac9
Analysis of overburden activity law of filling mining with ultra-high water material and application
Autor:
ZHOU Rui
Publikováno v:
Meikuang Anquan, Vol 52, Iss 6, Pp 211-216 (2021)
In order to ensure the stability of surface structures in the mining process of filling test face in Taoyi Mining Area of Handan Mining Group, an active mechanical model of open filling and fully mechanized overlying rock with ultra-high water materi
Externí odkaz:
https://doaj.org/article/03b515b279b7461ca2d062f1b62a76a0
Publikováno v:
工程科学学报, Vol 43, Iss 4, Pp 552-560 (2021)
Pollution from waste plastics has become one of today’s most serious environmental problems, and the recycling of waste plastics is a research hotspot. High-water materials are widely used in mine-filling operations, leak prevention, flame-retardan
Externí odkaz:
https://doaj.org/article/39a2c2b19d5644c885be8a1570dcb2d2
Publikováno v:
Meikuang Anquan, Vol 51, Iss 9, Pp 162-167 (2020)
In order to solve the problems such as the occurrence of slurry bleeding and even the impact of non-solidification on the strength of backfill in the field construction of ultra-high water materials, based on this, the optimized material ratio test w
Externí odkaz:
https://doaj.org/article/60435e7ac3f947edbf00acf1e87ee449
Autor:
DU Hailong
Publikováno v:
Meikuang Anquan, Vol 51, Iss 6, Pp 72-76 (2020)
For the characteristics of the two empty lanes which are parallel empty roadways in front of 3311 fully mechanized caving face in Chengzhuang Mine and empty roadway in roof, and the problems that overhanging support pressure overlaps, the mine pressu
Externí odkaz:
https://doaj.org/article/1fa99174a09e4dacbbbdace5af6ecb4d
Publikováno v:
Sustainability; Volume 15; Issue 11; Pages: 8713
Research on the rock and surface subsidence laws of super-high water material backfilling and mining technology can provide a scientific basis for liberating coal resources that are deposited under buildings, railways, and bodies of water. Using fiel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48bdde941d349f54317492c1dd01dcb5