Summary and Info
Compiled by the U.S. Dept of Health and Human Services, CDC/NIOSH Office of Mine Safety and Health Research, the 2007 proceedings of the International Workshop on Rock Mass Classification in Underground Mining contain 16 invited papers from nine countries, reflecting the international depth and breadth of current practice. Rock mass classification is widely used throughout the underground mining industry-in both coal and hard-rock mines. It is used in all stages of the mining process, from site characterization to production operations. The goal of the International Workshop on Rock Mass Classification in Underground Mining was to provide a forum for leading practitioners of rock mass classification to come together and share their methods and experiences with the technique. Applications in both hard-rock and coal mining are well represented. Content:• Front Matter • Unit of Measure Abbreviations Used in This Report • Table of Contents • Abstract 1. Rock Mass Characterization for Excavations in Mining and Civil Engineering 2. Mechanized Excavability Rating for Hard-Rock Mining 3. Rock Mass Characterization of Primary Copper Ore for Caving at the EL Teniente Mine, Chile 4. Stope Design Considerations Using Rock Mass Classification Tools at the Xstrata Zinc George Fisher Mine 5. An Integrated Approach to Support Design in Underground Coal Mines 6. A Rock Mass Rating Scheme for Clastic Sediments Based on Geophysical Logs 7. Practical Experiences with Application of the Coal Mine Roof Rating (CMRR) in Australian Coal Mines 8. Use of the Mining Rock Mass Rating (MRMR) Classification: Industry Experience 9. Classification-Based Probabilistic Design of Ground Support 10. The Geological Strength Index (GSI): A Characterization Tool for Assessing Engineering Properties for Rock Masses 11. Development and Application of the Coal Mine Roof Rating (CMRR) 12. Problems with Rock Classification for Empirical and Numerical Design 13. Weak Rock Mass Design for Underground Mining Operations 14. Application of the Q-System to Australian Underground Metal Mines 15. Rock Mass Classification in German Hard-Coal Mining: Standards and Application 16. Numerical Modeling Procedures for Practical Coal Mine Design
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Mark Christopher Higley is an American soap opera writer. He is married to Dena Higley. During the WGA strike, he chose financial core status with the WGA and continued working.
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