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
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
Numerical Investigation of Gob-Side Entry Retaining through Precut Overhanging Hard Roof to Control Rockburst
Sign Up to like & getrecommendations! Published in 2018 at "Advances in Civil Engineering"
DOI: 10.1155/2018/8685427
Abstract: Gob-side entry retaining through precut overhanging hard roof (GERPOHR) method is one of the commonly used methods for nonpillar mining. However, feasibility studies of controlling rockburst by this method are few. Rockburst occurs in hard… read more here.
Keywords: overhanging hard; precut overhanging; gob side; hard roof ... See more keywords
Deformation Mechanism and Control of the Surrounding Rock during Gob-Side Entry Driving along Deeply Fully Mechanized Caving Island Working Face
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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
Research on the Reasonable Coal Pillar Width and Surrounding Rock Supporting Optimization of Gob-Side Entry under Inclined Seam Condition
Sign Up to like & getrecommendations! Published in 2021 at "Advances in Civil Engineering"
DOI: 10.1155/2021/7145821
Abstract: In order to study the optimal coal pillar width and surrounding rock control mechanism of gob-side entry under inclined seam condition, the 130205 return air entry adjacent to 130203 gob in Yangchangwan No. 1 well… read more here.
Keywords: coal pillar; gob side; surrounding rock; entry ... See more keywords
Deformation Law and Control Measures of Gob-Side Entry Filled with Gangue in Deep Gobs: A Case Study
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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
Width Design of Small Coal Pillar of Gob-Side Entry Driving in Soft Rock Working Face and Its Application of Zaoquan Coal Mine
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DOI: 10.1155/2021/9999957
Abstract: Reasonable width of gob-side coal pillar can reduce the waste of coal resources and is conducive to roadway stability. According to the distribution of internal and external stress fields at the working face, a method… read more here.
Keywords: coal pillar; coal; gob side; working face ... See more keywords
Ground response of a gob-side gateroad suffering mining-induced stress in an extra thick coal seam
Sign Up to like & getrecommendations! Published in 2020 at "Geomechanics and Engineering"
DOI: 10.12989/gae.2020.22.1.001
Abstract: This paper presents an investigation of the ground response of a gob-side gateroad suffering mining stress induced by a 21 m-thick coal seam extraction. A field observation, including entry convergence and stress changes monitoring, was… read more here.
Keywords: gob side; response; stress; gateroad ... See more keywords