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Showing: 1 to 10 of 2040 matches for "safety in rock bolting"  Page   1   2   3   4   5   6   7   8   9  next TITLE Quality And Reliability In Rock Bolting  SUMMARY ... Z, kl h ., ,+ Gene Mattila Ron Boyd Atlas Copco ROCTEC Denver, Colorado QUALITY AND RELIABILITY IN ROCK BOLTING For presentation at the SNE-AINE Annual Xeeting ... AUTHOR Mattila, Gene PUBLISHED 1985 TITLE Prospects for Single Pass Bolting (SPB) in Underground Hardrock Mining  SUMMARY ... The usage has resulted in a great improvement in terms of safety, cost, productivity and ventilation. Today rock bolting has become one of the primary support ... AUTHOR Dorricott M G PUBLISHED 1992 TITLE Autorock Rigs For Rockbolting In Narrow Reef Stopes - Introduction  SUMMARY ... industry-wide roll-out of stope bolting (which has safety advantages) and is an ... drill rigs compare favourably with full mechanization of rock bolting in narrow ... AUTHOR Johnson, Frank PUBLISHED 2008 TITLE A New Rock Bolting Concept for Underground Roadways  SUMMARY ... The tests show that the Skybolt is an advanced concept of rock bolting, ie provides an ... the rock. ... This increases bolt load capacity and its safety margin by 50 ... PUBLISHED 1992 TITLE Back Analysis Of Plane And Wedge Rock Slope Failures Using Microcomputer Programs  SUMMARY ... from 1 and 2 above to approximate rock bolting patterns where ... the shear strength of the rock mass in ... ure analysis code which calculates a safety factor against ... AUTHOR Frizzell, E. M. PUBLISHED 1988 TITLE A New Rock Bolting Concept For Underground Roadways  SUMMARY ... Thic incnastl the safety margin of roof ... length for a particular rock type - ultimate ... mm of acapdation - instaUationofrockboltwithuistiagrock bolting machincry. ... AUTHOR Skybey, G. PUBLISHED 1992 TITLE Accessing Deep Ore Bodies Using Mechanical Excavation Equipment  SUMMARY ... To achieve a complete bolt pattern the rock bolting units are able to pivot around ... GRIPPER SYSTEM The gripper system is crucial for the overall safety of the ... AUTHOR Burger, W. PUBLISHED 2010 TITLE Accessing deep orebodies using mechanical excavation equipment  SUMMARY ... excavation is ongoing.To achieve a complete bolt pattern,the rock bolting units are ... Gripper system The gripper system is crucial for the overall safety of the ... AUTHOR Burger, W. PUBLISHED 2010 TITLE Future And Potential In-Stope Rock Support Systems In Conventional Narrow Vein Stoping Operations To Reduce Safety Risks And Enhance Productivity  SUMMARY ... appreciated and introduced roof-bolting in the stopes achieved a phenomenal decline in rock fall incidents and as such reported improved safety performance in ... AUTHOR Tshabalala, I T PUBLISHED 2008 TITLE Successful Application of Rock Bolt Support and Mechanised Depillaring in Difficult Roof Conditions at Tandsi Mine, Western Coalfields, India  SUMMARY ... and depths being restricted for safety reasons. Rock Mechanics Technology Ltd was contracted to improve ... of a ‘world best practice’ bolting system resulted ... AUTHOR Oldroyd, D. C. PUBLISHED 2006 Showing: 1 to 10 of 2040 matches for "safety in rock bolting"  Page   1   2   3   4   5   6   7   8   9  next Search Again