Supporting a Retained Gob-Side Entry Under Soft and Fractured Rock: Computer Simulations and a Practical Example
Sign Up to like & getrecommendations! Published in 2018 at "Geotechnical and Geological Engineering"
DOI: 10.1007/s10706-018-0745-y
Abstract: Abstract This study uses theoretical analysis, finite difference numerical simulations with FLAC3D software, and a field test to determine and demonstrate the most reasonable width for a retained gob-side entry and the most reasonable dimensions… read more here.
Keywords: gob side; soft fractured; side entry; fractured rock ... See more keywords
Experimental Study on the Width of the Reasonable Segment Pillar of the Extremely Soft Coal Seam in the Deep Mine
Sign Up to like & getrecommendations! Published in 2019 at "Geotechnical and Geological Engineering"
DOI: 10.1007/s10706-019-00954-6
Abstract: Various dynamic disasters will happen in the extremely soft coal seam mining process of Gob-side entry in the deep mine, including large deformation of roadways, rock burst, gas unusual, floor water invasion, spontaneous combustion of… read more here.
Keywords: side entry; coal seam; gob side;
Pressure Distribution and Deformation Control of Gob-Side Entry Retaining Formed by Roof Cutting Influenced by Abandoned Roadways
Sign Up to like & getrecommendations! Published in 2020 at "Geotechnical and Geological Engineering"
DOI: 10.1007/s10706-020-01644-4
Abstract: To explore the influence of abandoned roadways on the technology of gob side entry retaining formed by roof cutting and pressure release, theoretical analyses, numerical simulations, and field engineering experiments are adopted to study the… read more here.
Keywords: gob side; entry retaining; side entry; abandoned roadways ... See more keywords
Influence of lateral structure and combined support system of split-level entries in the thick seam
Sign Up to like & getrecommendations! Published in 2020 at "Arabian Journal of Geosciences"
DOI: 10.1007/s12517-020-06066-3
Abstract: In this paper, an innovative mining method of the split-level of external staggered gob-side entry (SEGE) is proposed to solve the serious deformation of traditional entry in the continuous panel and coal wastage in Xiegou… read more here.
Keywords: gob side; side entry; split level; entry ... See more keywords
Mixing of non-Newtonian fluids in a cylindrical stirred vessel equipped with a novel side-entry propeller
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2018.06.034
Abstract: Abstract A side-entry propeller was designed and introduced in this study. The mixing performance of shear thinning fluids in a cylindrical stirred vessel equipped with this propeller was experimentally investigated via an ultrasonic Doppler anemometer… read more here.
Keywords: stirred vessel; entry propeller; side entry; cylindrical stirred ... See more keywords
Coordinated Deformation Mechanism of the Top Coal and Filling Body of Gob-Side Entry Retaining in a Fully Mechanized Caving Face
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Geomechanics"
DOI: 10.1061/(asce)gm.1943-5622.0001972
Abstract: Abstract When gob-side entry retaining technology is used in a fully mechanized caving face, the load-bearing structure of the filling body and top coal often cannot meet the series of dynamic defo... read more here.
Keywords: gob side; entry retaining; mechanized caving; caving face ... See more keywords
Deformation Mechanism and Control of the Surrounding Rock during Gob-Side Entry Driving along Deeply Fully Mechanized Caving Island Working Face
Sign Up to like & getrecommendations! Published in 2021 at "Geofluids"
DOI: 10.1155/2021/5515052
Abstract: The deformation control of the surrounding rock during gob-side entry driving along deeply fully mechanized caving island working face is one of the main bottlenecks affecting the successful and efficient production in modern mining. The… read more here.
Keywords: gob side; side entry; island working; fully mechanized ... See more keywords
Deformation Law and Control Measures of Gob-Side Entry Filled with Gangue in Deep Gobs: A Case Study
Sign Up to like & getrecommendations! Published in 2021 at "Advances in Materials Science and Engineering"
DOI: 10.1155/2021/9967870
Abstract: Aiming at the large deformation problem of gob-side entry in solid filling mining, the roof subsidence of gob-side entry retaining (GER) was studied under the influence of gangue filling, by taking a deep filling working… read more here.
Keywords: gob side; side entry; gangue; deformation ... See more keywords
Dynamic distribution and prevention of spontaneous combustion of coal in gob-side entry retaining goaf
Sign Up to like & getrecommendations! Published in 2022 at "PLoS ONE"
DOI: 10.1371/journal.pone.0267631
Abstract: The 11101 working face of Qipanjing Mine was taken as the research object to explore the dynamic change law of the spontaneous combustion of the remaining coal in the gob-side entry retaining goaf area. A… read more here.
Keywords: entry retaining; coal; side; side entry ... See more keywords
Coal Pillar Width Design in High - stress Gob - side Entry Driving
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Engineering Science and Technology Review"
DOI: 10.25103/jestr.114.07
Abstract: Problems of large deformation of surrounding rock, such as large damage range and difficult support, are prominent during the period of gob-side entry driving excavation. Such problems seriously affect the safety and production efficiency in… read more here.
Keywords: coal pillar; gob side; side entry; pillar width ... See more keywords