Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Identification and description of rock
4.1 Rock identification
4.2 Description of rock material
4.2.1 Colour
4.2.2 Grain size
4.2.3 Matrix
4.2.4 Weathering and alteration effects
4.2.5 Carbonate content
4.2.6 Stability of rock material
4.2.7 Unconfined compressive strength
4.3 Rock mass
4.3.1 General
4.3.2 Structure
4.3.3 Discontinuities
4.3.4 Weathering of the rock mass
4.3.5 Rock mass permeability
5 Report
Annex A (informative) Aid to identification of rock types on
the basis of geological features for engineering purposes
Bibliography