Results 131 to 140 of about 2,878 (183)

A Low-Viscosity Copper-Based Deep Eutectic Solvent for Carbon Monoxide Elimination at the Return Corner of Coal Mining Faces. [PDF]

Molecules
Xin T, Zhou X, Sun Y, Bai G, Sun W, Wang J, Liang B, Jin J.   +7 more
europepmc   +1 more source

Research on PFC3D meso-parameters prediction model and strength simulation of backfill based on hemical-mechanical coupling. [PDF]

Sci Rep
Wang Y, Cao C, Wang D, Jiao J, Wu A.
europepmc   +1 more source

Research on location optimization and application of the gob-side entry retaining by roof cutting in close-distance coal seams. [PDF]

Sci Rep
Fu Q, Yang J, Liu Y, Zhang C, Gao Y, Gao H, Ma Q.   +6 more
europepmc   +1 more source

A prediction method for long-term surface subsidence considering the mining-induced stratum creep effect and its application. [PDF]

Sci Rep
Liang Z, Yang X, Liu Y, Zhang B.
europepmc   +1 more source

Construction of multiphysics coupling equations and study on flow field migration patterns in shallow buried goaf under air leakage conditions. [PDF]

Sci Rep
Pan J, Qiu C, Zhao D, Liu L, Yuan Q.
europepmc   +1 more source

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A theoretical goaf resistance model based on gas production analysis in goaf gas drainage

International Journal of Coal Geology, 2022
Over the past few years, the Australian coal mines heavily relied on drilling vertical goafholes to capture coal mine methane and monitor methane levels, which is named goaf gas drainage. The suction pressure applied on the surface goafholes may change goaf pressure distribution and goaf gas flow pathways.
Joung Oh, Guangyao Si
exaly   +5 more sources

Fundamental understanding of goaf gas displacement in longwall goaf

2015
Fundamental understanding of the goaf gas distribution in a gassy coal mine is necessary for developing effective goaf gas drainage strategies in the longwall coal mine. The goaf gas was subjected to the surface and body forces that were classified depending upon whether they acted on the surface area or the volume of the gas element.
Tanguturi, K., Balusu, R.
openaire   +1 more source

Goaf filling with industrial wastes

Journal of Mining Science, 2004
Characteristics are presented for industrial wastes utilized for production of hardening stowing in underground mines in the Uzbekistan Republic. The efficiency of their use as a substitute of cement is proved.
Yu. A. Gaziev, Kh. A. Rizaev
openaire   +1 more source

Application of TEM in Goaf Exploration

Applied Mechanics and Materials, 2012
The basic principle of transient electromagnetic method (TEM) is introduced in this paper, and it was used to explore position of the goaf which existed under Fushun east open-pit mining slope systematically. Inversion based on results of the exploration determines the location of dangerous abnormal area, provides a theory support for next exploration ...
Shao Jie Feng, Shi Guo Sun, Wen Bo Liu
openaire   +1 more source

Evaluation of Grouting Effect Detection in Goaf

Applied Mechanics and Materials, 2013
The paper mainly introduces the problem of grouting reinforcement of buildings over the old goaf, and presents to the positioning of grouting reinforcement technology in the goaf. Combined with engineering example, the paper discusses the grouting filling method to strengthening governance goaf.
Hui Ren Bai, Jing Jing Li
openaire   +1 more source