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Foreword; Preface; Contents; 1 The Present and Future of Rock Testing: Highlighting the ISRM Suggested Methods; 1...Introduction; 2...Historical Background: From the Past to the Present; 3...Near Future Trends in Rock Testing and Monitoring; 4...ISRM Suggested Methods and Recent Advances; 4.1 ISRM Commission on Testing Methods; 4.2 What Is an ISRM SM; 4.3 Guideline for Developing ISRM SMs and the Procedure Followed for Their Evaluation; 4.4 How the ISRM SMs Should Be Referenced; 4.5 Current ISRM SMs and Most Recent Attempts; 5...Conclusions; Acknowledgements; References; Part I Laboratory Testing
2 ISRM Suggested Method for Determination of the Schmidt Hammer Rebound Hardness: Revised Version1...Introduction; 2...Scope; 3...Apparatus; 3.1 Operational Principle; 3.2 Hammer Type, Test Range and Calibration; 4...Procedure; 4.1 Specimen Requirements; 4.2 Test Requirements; 4.2.1 Relative Direction of Impact; 4.2.2 Normalization of Rebound Values with Reference to Horizontal Impact Direction; 4.2.3 Specimen
Steel Base
Ground Interface; 4.3 Data Gathering and Reduction; 5...Influencing Factors; 5.1 Relative Strength of Coarse Grains Versus Matrix; 5.2 Weathering and Moisture Content; 5.3 Anisotropy
5.4 Field Versus Laboratory Testing5.5 Testing Discontinuity Walls; 6...Further Improvements; 7...Reporting of the Results; Acknowledgments; Appendix A: UCS and E Versus Rebound Value Correlations in the Light of Indentation Mechanisms; A.1 Guidelines for the Correlations; References; 3 Suggested Methods for Determining the Dynamic Strength Parameters and Mode-I Fracture Toughness of Rock Materials; 1...Introduction; 2...Part 1: Suggested Method for Determining the Dynamic Uniaxial Compressive Strength of Rock Materials with SHPB; 2.1 Scope; 2.2 Apparatus; 2.3 Specimen Description; 2.4 Procedure
2.5 Calculation2.6 Reporting of Results; 3...Part 2: Suggested Method for Determining Dynamic Indirect Tensile Strength of Rock Materials by the Brazil Test; 3.1 Scope; 3.2 Apparatus; 3.3 Specimen Description; 3.4 Procedure; 3.5 Calculation; 3.6 Reporting of Results; 4...Part 3: Suggested Method for Determining Dynamic Mode I Fracture Toughness of Rock Materials; 4.1 Scope; 4.2 Apparatus; 4.3 Specimen Description; 4.4 Procedure; 4.5 Calculation; 4.6 Reporting of Results; 5...Notes and Recommendations; References; 4 ISRM Suggested Method for the Determination of Mode II Fracture Toughness
1...Introduction2...Scope; 3...Specimen Preparation; 4...Experimental Set-Up; 5...Testing Procedure; 6...Calculations; 7...Reporting of Results; 8...Typical Values; 9...Notes and Recommendations; 9.1 Evaluation Procedure; 9.2 Influence of Confining Pressure; 9.3 Discussion of Loading History; 9.4 Discussion of Displacement Rate; 9.5 Discussion of Geometry; 9.5.1 Influence of Notch Depth; 9.5.2 Influence of Asymmetric Specimen Geometry; 9.5.3 Influence of Notch Diameter and Sample Diameter; 9.5.4 Influence of Notch Width; 9.6 Discussion of Fracture Generation; 9.7 Influence of Temperature
2 ISRM Suggested Method for Determination of the Schmidt Hammer Rebound Hardness: Revised Version1...Introduction; 2...Scope; 3...Apparatus; 3.1 Operational Principle; 3.2 Hammer Type, Test Range and Calibration; 4...Procedure; 4.1 Specimen Requirements; 4.2 Test Requirements; 4.2.1 Relative Direction of Impact; 4.2.2 Normalization of Rebound Values with Reference to Horizontal Impact Direction; 4.2.3 Specimen
Steel Base
Ground Interface; 4.3 Data Gathering and Reduction; 5...Influencing Factors; 5.1 Relative Strength of Coarse Grains Versus Matrix; 5.2 Weathering and Moisture Content; 5.3 Anisotropy
5.4 Field Versus Laboratory Testing5.5 Testing Discontinuity Walls; 6...Further Improvements; 7...Reporting of the Results; Acknowledgments; Appendix A: UCS and E Versus Rebound Value Correlations in the Light of Indentation Mechanisms; A.1 Guidelines for the Correlations; References; 3 Suggested Methods for Determining the Dynamic Strength Parameters and Mode-I Fracture Toughness of Rock Materials; 1...Introduction; 2...Part 1: Suggested Method for Determining the Dynamic Uniaxial Compressive Strength of Rock Materials with SHPB; 2.1 Scope; 2.2 Apparatus; 2.3 Specimen Description; 2.4 Procedure
2.5 Calculation2.6 Reporting of Results; 3...Part 2: Suggested Method for Determining Dynamic Indirect Tensile Strength of Rock Materials by the Brazil Test; 3.1 Scope; 3.2 Apparatus; 3.3 Specimen Description; 3.4 Procedure; 3.5 Calculation; 3.6 Reporting of Results; 4...Part 3: Suggested Method for Determining Dynamic Mode I Fracture Toughness of Rock Materials; 4.1 Scope; 4.2 Apparatus; 4.3 Specimen Description; 4.4 Procedure; 4.5 Calculation; 4.6 Reporting of Results; 5...Notes and Recommendations; References; 4 ISRM Suggested Method for the Determination of Mode II Fracture Toughness
1...Introduction2...Scope; 3...Specimen Preparation; 4...Experimental Set-Up; 5...Testing Procedure; 6...Calculations; 7...Reporting of Results; 8...Typical Values; 9...Notes and Recommendations; 9.1 Evaluation Procedure; 9.2 Influence of Confining Pressure; 9.3 Discussion of Loading History; 9.4 Discussion of Displacement Rate; 9.5 Discussion of Geometry; 9.5.1 Influence of Notch Depth; 9.5.2 Influence of Asymmetric Specimen Geometry; 9.5.3 Influence of Notch Diameter and Sample Diameter; 9.5.4 Influence of Notch Width; 9.6 Discussion of Fracture Generation; 9.7 Influence of Temperature