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CONTENTS <br />Page <br />LIST OF FIGURES. iii <br />LIST OF TABLES iii <br />SUMMARY. iv <br />INTRODUCTION 1 <br />GEOTECANICAL CORE LOGGING. 3 <br />General . 3 <br />Properties Logged. 3 <br />Logged Results 3 <br />Results Discussion 3 <br />ROCK TESTING PROCEDURES. 5 <br />Physical Property Tests. 5 <br />Rock Cores Tested. 11 <br />STATISTICAL TREATMENT: TEST RESULTS. 13 <br />Statistical Computations <br />Results Summar 13 <br />13 <br />y. <br />ENGINEERING DESIGN VALUES. 24 <br />Results Discussion 24 <br />Nominal Design Parameters. 25 <br />RESULTS SIGNIFICANCE 28 <br />Rock Strength. 28 <br />Coal Strength. 28 <br />Roof Control 29 <br />Floor Bearing Capacity 29 <br />Cavability 29 <br />CONCLUSIONS . 30 <br />APPENDIX I - Geotechnical Core Logs. I-1 <br />APPENDIX II - Rock Testing Results: Hole 3.75. II-1 <br />APPENDIX III -Rock Testing Results: Hole BA .III-1 <br />APPENDIX IV - Triaxial Test Results: Data Plots. IV-1 <br /> <br />13 <br />SEEGMILLER INTERNATIONAL <br />