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幫忙查一下如下論文是否檢索： Advanced Materials Research Vols. 807-809 (2013) pp 2299-2303 Advanced Materials Research Vols. 807-809 (2013) pp 2304-2308 |
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Accession number: 20134516956149 Title: Law of ground subsidence and strata movement caused by backfill mining of under three coal Authors: Yu, Wei Jian1, 2 ; Feng, Tao1; Chen, Xin Yuan2 Author affiliation: 1 School of Resources and Safety Engineering, Central South University, Changsha 410083, China 2 Hunan Key Laboratory of Safe Mining Techniques of Coal Mines, Hunan University of Science and Technology, Xiangtan 411201, China Source title: Advanced Materials Research Abbreviated source title: Adv. Mater. Res. Volume: 807-809 Monograph title: Environmental Protection and Resources Exploitation Issue date: 2013 Publication year: 2013 Pages: 2304-2308 Language: English ISSN: 10226680 ISBN-13: 9783037858622 Document type: Conference article (CA) Conference name: 2013 International Conference on Advances in Energy and Environmental Science, ICAEES 2013 Conference date: July 30, 2013 - July 31, 2013 Conference location: Guangzhou, China Conference code: 100432 Publisher: Trans Tech Publications Ltd, Kreuzstrasse 10, Zurich-Durnten, CH-8635, Switzerland Abstract: Taking 24 mining area of Zhouyuanshan mine as the research object, analysis on law of ground subsidence and strata movement caused by backfill mining of under three coal is carried on by using numerical simulation method. A three-dimensional numerical model is established by using FLAC 3D software. To analyze the computational scheme of remain wide coal pillar and gradually to finish backfill mining, results showed that the maximal subsidence displacement value is 30.8mm along the coal strike and the subsidence displacement value is 32.1mm along the coal seam inclination; In addition, computational scheme of backfill mining with narrow coal pillar is analyzed, results showed that the filling body plays a stronger supporting role for the roof strata, to fully mobilize the bearing capacity of filling body, forming a relatively coordinated bearing system of backfill body + coal pillar + overlying strata © (2013) Trans Tech Publications, Switzerland. Number of references: 3 Main heading: Room and pillar mining Controlled terms: Coal - Coal deposits - Numerical analysis - Numerical models - Subsidence - Three dimensional Uncontrolled terms: Backfill minings - Computational schemes - Displacement value - Narrow coal pillars - Numerical simulation method - Overlying strata - Three-dimensional numerical modeling - Waterbodies Classification code: 921.6 Numerical Methods - 921 Mathematics - 902.1 Engineering Graphics - 524 Solid Fuels - 503 Mines and Mining, Coal - 502.1 Mine and Quarry Operations - 482 Mineralogy DOI: 10.4028/www.scientific.net/AMR.807-809.2304 Database: Compendex Compilation and indexing terms, © 2013 Elsevier Inc. |
4樓2013-11-17 10:51:13
tianzhisun
木蟲 (正式寫手)
大棚郭冬臨
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2樓2013-11-13 18:51:30
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1. Add to selected records Accession number: 20134516956148 Title: Numerical analysis on ground pressure feature in fully mechanized coal face Authors: Yu, Wei Jian1, 2 ; Feng, Tao1; Guo, Gang Ye2 Author affiliation: 1 School of Resources and Safety Engineering, Central South University, Changsha 410083, China 2 Hunan Key Laboratory of Safe Mining Techniques of Coal Mines, Hunan University of Science and Technology, Xiangtan 411201, China Source title: Advanced Materials Research Abbreviated source title: Adv. Mater. Res. Volume: 807-809 Monograph title: Environmental Protection and Resources Exploitation Issue date: 2013 Publication year: 2013 Pages: 2299-2303 Language: English ISSN: 10226680 ISBN-13: 9783037858622 Document type: Conference article (CA) Conference name: 2013 International Conference on Advances in Energy and Environmental Science, ICAEES 2013 Conference date: July 30, 2013 - July 31, 2013 Conference location: Guangzhou, China Conference code: 100432 Publisher: Trans Tech Publications Ltd, Kreuzstrasse 10, Zurich-Durnten, CH-8635, Switzerland Abstract: Base on the fully mechanized coal face of 8113 (1) in LaoYingSan mine, numerical analysis method was applied to analyze the ground pressure feature, FLAC software is carried out to set up numerical model, and offer numerical procedure. The mining abutment pressure distribute form and its partition in front of fully mechanized working face. All four different mining height (2.6m, 2.8m, 3.0m, 3.2m) was respectively calculated. In addition, the influence of mining speed to mining abutment pressure and intervals is analyzed, four different mining distance (20m, 30m, 40m, 50m) selected separately. Afterwards, the different solution analyzed respectively, these results show that the mining abutment pressure distribution form in front of fully mechanized working face essentially identical, they including the stress increasing zones, the stress decreasing zones and the initial rock stress stable field. The influence of mining pace to wall rock looseness range greater than mining height. © (2013) Trans Tech Publications, Switzerland. Number of references: 3 Main heading: Numerical analysis Controlled terms: Abutments (bridge) - Coal Uncontrolled terms: Abutment pressures - Coal mining - Fully mechanized coal faces - Fully-mechanized working faces - Ground pressure - Mining heights - Numerical procedures - Stable fields Classification code: 401.1 Bridges - 524 Solid Fuels - 921.6 Numerical Methods |
3樓2013-11-17 10:50:05
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