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ABUTMENT: 作品数：47被引量：118H指数：5; 导出分析报告; 相关领域：医药卫生更多>>; 相关作者：于荣俊曹淑上段创峰易勇颜丙山更多>>; 相关机构：上海隧道工程股份有限公司重庆市建筑科学研究院长沙理工大学首都医科大学更多>>; 相关期刊：《Open Journal of Stomatology》《Science China(Technological Sciences)》《Journal of Wuhan University of Technology(Materials Science)》《International Journal of Sediment Research》更多>>; 相关基金：国家自然科学基金World Health Organization国家重点基础研究发展计划国家科技支撑计划更多>>

Investigating different methods used for approximating pillar loads in longwall coal mines被引量：4: 《International Journal of Mining Science and Technology》2021年第1期23-32,共10页Deniz Tuncay a Ihsan Berk Tulu a Ted Klemetti; Accurately estimating load distributions and ground responses around underground openings play a significant role in the safety of the operations in underground mines.Adequately designing pillars and other support mea...; 关键词：Abutment loads Numerical modeling LaModel FLAC3D Longwall coal mines

Bleeder entry evaluation using condition mapping and numerical modeling被引量：1: 《International Journal of Mining Science and Technology》2021年第1期137-143,共7页Ted M.Klemetti Mark A.Van Dyke Gabriel S.Esterhuizen; One of the most common critical areas of longwall mining in terms of ground stability are the gateroad and bleeder entries.These critical entries provide much-needed safe access for miners and allow for adequate venti...; 关键词：Stability assessment Bleeder entry Abutment loading Condition mapping LONGWALL Ground control

Numerical simulation of roof cavings in several Kuzbass mines using finite-difference continuum damage mechanics approach被引量：3: 《International Journal of Mining Science and Technology》2020年第2期157-166,共10页Mikhail Eremin Gabriel Esterhuizen Igor Smolin; This work was supported by the Russian Science Foundation,under grant 19-71-00083.Authors also would like to express gratitude to an anonymous reviewer whose comments helped to improve the quality of paper,and editors of the journal.; An essential stage of mine design is an estimation of the steps of the first and periodic roof caving in longwall mines.Generally,this is carried out using the field experience and can be much enhanced by numerical si...; 关键词：LONGWALL mining Rock mass Underground OPENINGS ROOF CAVING ABUTMENT pressure Numerical simulation

A case study of the stability of a non-typical bleeder entry system at a U.S.longwall mine被引量：3: 《International Journal of Mining Science and Technology》2020年第1期25-31,共7页T.M.Klemetti M.A.Van Dyke I.B.Tulu D.Tuncay; Longwall abutment loads are influenced by several factors,including depth of cover,pillar sizes,panel dimensions,geological setting,mining height,proximity to gob,intersection type,and size of the gob.How does proximi...; 关键词：ABUTMENT LOADING LONGWALL Instrumentation BORE hole pressure cells PILLAR LOADING Yield PILLAR Bleeder PILLAR

Analysis of ARMPS2010 database with LaModel and an updated abutment angle equation: 《International Journal of Mining Science and Technology》2020年第1期111-118,共8页Deniz Tuncay Ihsan Berk Tulu Ted Klemetti; This study was sponsored by the Alpha Foundation for the Improvement of Mine Safety and Health,Inc.(ALPHA FOUNDATION).The views,opinions and recommendations expressed herein are solely those of the authors and do not imply any endorsement by the ALPHA FOUNDATION,its Directors and staff.The findings and conclusions in this report are those of the author(s)and do not necessarily represent the official position of the National Institute for Occupational Safety and Health,Centers for Disease Control and Prevention.Mention of any company or product does not constitute endorsement by NIOSH.; The Analysis of Retreat Mining Pillar Stability(ARMPS) program was developed by the National Institute for Occupational Safety and Health(NIOSH) to help the United States coal mining industry to design safe retreat ro...; 关键词：ABUTMENT ANGLE ARMPS2010 LaModel ARMPS-LAM COAL mining PILLAR stability

Abutment pressure distribution for longwall face mining through abandoned roadways被引量：7: 《International Journal of Mining Science and Technology》2019年第1期59-64,共6页Yang Li Mingxing Lei Haosen Wang Cheng Li Weiwei Li Yang Tao Jingyi Wang; supported by National Key R&D Program of China (No. 2017YFC060300204);Yue Qi Young Scholar Project,CUMTB and Yue Qi Distinguished Scholar Project (No. 800015Z1138);China University of Mining & Technology, Beijing; Abutment pressure distribution is different when a longwall panel is passing through the abandoned gate roads in a damaged coal seam. According to the geological condition of panel E13103 in Cuijiazhai Coal Mine in Ch...; 关键词：Abandoned roadways ABUTMENT PRESSURE THEORETICAL CALCULATION NUMERICAL simulation

Deep cover bleeder entry performance and support loading: A case study被引量：1: 《International Journal of Mining Science and Technology》2018年第1期85-93,共9页Ted M.Klemetti Mark Alexander Van Dyke Ihsan Berk Tulu; Several questions have emerged in relation to deep cover bleeder entry performance and support loading:how well do current modeling procedures calculate the rear abutment extent and loading? Does an improved understan...; 关键词：Bleeder ENTRY STANDING supports ABUTMENT LOADING LONGWALL mining Full extraction

Effects of longwall-induced stress and deformation on the stability and mechanical integrity of shale gas wells drilled through a longwall abutment pillar被引量：3: 《International Journal of Mining Science and Technology》2017年第1期115-120,共6页Daniel W.H.Su; This paper presents the results of a comprehensive study conducted by CONSOL Energy, Marcellus Shale Coalition, and Pennsylvania Coal Association to evaluate the effects of longwall-induced subsurface deformations on ...; 关键词：Gas well CASING Abutment pillar Stability Safety and health INSTRUMENTATION Numerical simulation

Formation and evolution of gas flow channels in the abutment pressure area被引量：2: 《International Journal of Mining Science and Technology》2012年第6期801-807,共7页Zhang Yong Zhang Xibin Xu Lifeng Zhang Jiangli Zhou Genli; supported by a Grant from the State Key Basic Research Program of China(No.2011CB201204);the Central University Basic Scientific Research Business Expenses(No.2011ZY05); The permeability of coal ahead of the working face obviously changes dues to changes in abutment pressure.The formation and evolution of gas flow channels within the abutment pressure area was studied by analyzing the...; 关键词：ABUTMENT pressure Gas flow CHANNELS FRACTURE EXTENSION mechanism FRACTURE development characteristics EVOLUTION process

Control mechanism and technique of floor heave with reinforcing solid coal side and floor corner in gob-side coal entry retaining被引量：6: 《International Journal of Mining Science and Technology》2012年第6期832-836,共5页Chen Yong Bai Jianbiao Yan Shuai Xu Ying Wang Xiangyu Ma Shuqi; provided by the National Natural Science Foundation of China(No.51174195);the State Key Laboratory of Coal Resources and Mine Safety of China University of Mining and Technology(No.SKLCRSM08X04);a foundation for the author of the National Excellent Doctoral Dissertation of China(No.200760);the Science Research Fund of China University of Mining and Technology(No.2008A002); Floor heave is the most common convergence in gob-side entry retaining.The paper analyzes the form,process and characteristics of gob-side entry retaining with the comprehensive methods of theoretical analysis,numeric...; 关键词：Gob-side ENTRY retaining ABUTMENT pressure Forms of FLOOR heave Reinforcing sides of solid COAL SIDE Bolt in a FLOOR CORNER

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