Overview

Intended for geological engineers and geoscientists, this reference provides a comprehensive guide to 16 of the most important rock classification systems and their failures modes. It discusses these systems in relation to the design of excavations and ground reinforcement/support under passive, active, static and dynamic mining conditions. This includes rock testing assessment, surface and underground site investigation, and any practical activity that deals with the physical and mechanical properties of rocks.

Full Product Details

Author:   Andy Afrouz (University of Alaska)
Publisher:   Taylor & Francis Inc
Imprint:   CRC Press Inc
Dimensions:   Width: 15.60cm , Height: 1.70cm , Length: 23.50cm
Weight:   0.513kg
ISBN:  

9780849337116

ISBN 10:   0849337119
Pages:   208
Publication Date:   10 June 1992
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Hardback
Publisher's Status:   Active
Availability:   In Print  
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Table of Contents

Preface. ROCK MASS CLASSIFICATION SYSTEMS. Introduction. Classification of Degree of Weathering. Classification of Discontinuities. Rock Quality Designation (RQD). Rock Mass Quality System (Q). Rock Quality Index (QI). Strength Properties of Rock Mass. Rock Mass Factor (j). Rock Mass Rating (RMR). Laubscher's Adjusted RMR Rating (AR). Rocha's Quality of Rock Mass (MR). Wickham et al. Rock Structure Rating (RSR). Mathews Method of Rock Mass Classification. Brook et al. Simplified Rock Mass Rating (R). Correlation and Relationships between Various Rock Mass Classification Systems. Estimation of Rock Mass Deformability. MODES OF GROUND FAILURE. Introduction. Planar Failure. Bilinear Slab Failure. Ploughing Slab Failure. Stepped Failure. Wedge Failure. Circular Failure. Deep Seated Failure. Toppling Failure. Buckling Failure. Sagging or Bed Separation Failure. Keyblock Failure. Ravelling and Rockfall Failure. Stress Induced Failure. Chimney Caving or Failure. Swelling Failure. Weathering and Erosion. Dynamic Induced Failure. Remedy for Failure Conditions. REFERENCES. APPENDIX: DETERMINATION OF VARIOUS SUPPORT REQUIREMENTS USING ROCK MASS QUALITY (Q). TERMINOLOGY. SYMBOLS. CONVERSION FACTORS.

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