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|Based on the stepwise strain features and the strength reduction law of the surrounding rock in extremely softrock roadway, this paper proposes a dynamic supporting principle. A new kind of stepwise reinforced technology, which consists of immediate shotcreting, timely bolting and delay grouting, was optimized after thorough analysis and illustrated with a successful engineering example in extremely difficult softrock roadway.|
Additional chapters/articles from the SME-ICGCM book Proceedings 19th International Conference On Ground Control In Mining
|An Approach To Identifying Geological Properties From Roof B||Field Experience Of Measuring The Acoustic Energy From A Ham||Advancements In Reflective Seismic Tomography For The Locati||Longwall Geomechanics, An Australian Perspective||Moonee Colliery: Renewing The Economic Viability Of A Mine U||Successful Application Of Hydraulic Fracturing To Control Wi||Pillar Mining And Longwalling Below Massive Roof Strata: Geo||High Capacity Tensioned Cable Bolts For Tailgate Support||Single Point And Full Scale Laboratory Testing Of Timber Cho||Optimizing Secondary Roof Support With The NIOSH Support Tec||The Use Of Cribless Tailgates In Longwall Extraction||Five Stress Factors Conducive To Bumps In Utah, USA, Coal Mi||Development Of Stress Measurement Techniques In Bump-Prone C||Coal Mine Seismicity And Bumps: Historical Case Studies And||Multi-Scale Assessment Of Coal And Gas Outbursts Based On Fr||Horizontal Stress: The Root Of All Evil?||Utilizing The ?Advance And Relieve? Method To Reduce Horizon||Regional Horizontal Surface Displacements Due To Mining Bene||Prognosis And Control Of Mining Induced Surface Subsidence A||Prediction Of Subsurface Subsidence For Longwall Mining Oper||Development Of A Statistical Technique For Assessing Sandsto||Evaluation Of Surface Subsidence Potential Along A Pipeline||Roof Monitoring In Limestone Mines-Experience With The Roof||Site Characterization For Planning Underground Stone Mines||Potential Problems Related To Mining Under Or Adjacent To Fl||Mine Planning For Longwall And Pillar Retreat Panels Subject||Optimization Of District-Wide Mine Layout In Multi-Seam Mini||Application Of Bolt Design Criteria At Galatia Mine||The Utilization Of Rockbolting Technology And Monitoring Tec||Rockbolting For Highly Stressed Roadways||Evaluation Of Measurement System For Monitoring The Stabilit||Quality Management For Grouted Rockbolts||Evaluating Anchorage Mechanisms Of Fully Encapsulated Rock B||INSTáL CableOx: A New Tensionable & Corrosion Resistant Cabl||Rock Reinforcement Longevity||Progress In The Development Of A Roof Bolt Design Methodolog||Case Studies Of Progressive Pillar Failure In Two Mines Usin||Jointing Effects On Pillar Strength||Impact Of Vertical Stress On Roadway Conditions At Dartbrook||Stepwise Support Technology For Extremely Soft Rock Roadway||Mobile Roof Supports For Pillar Retreat Mining||Three-Dimensional Simulations Of The Roof Behavior In Coal R||Roof Behavior In South African Coal Room And Pillar Panels||Extended Cut Out Distances In Continuous Miner Sections In S||Roof Control Analysis In North River Mine||Analysis Of The Seam Inclination Effect On Roof Stability||The Application Of Rock Mass Classification Principles To Co||Mining Geotechnical Benchmarking||Using The Point Load Test To Determine The Uniaxial Compress||The Influence Of Water Content On Strength Characteristic Of||Polymer Membrane Liners In Underground Coal Mines - Ground C||Applications Of Cement Grouting Method For Controlling Weak||Analysis Of Safety Aspects And Mining Practices For Effectiv|