Abstract
Carbonate rocks are common and widely dispersed materials. They include pure limestones and dolostones as well as a large variety of composites differentiated by the relative occurrence of accessory quartz, clay minerals and other components. Geotechnical properties reflect this wide variation of composition and a classification scheme would be helpful for consistent communication. References and data obtained for this study substantiated the proposed geotechnical classification based on porosity and swelling strain of the rocks. The relevance of these parameters for the explanation of the geotechnical behaviour of carbonate rocks as well as their simplicity render them very suitable for this purpose. The field behaviour of some Portuguese rocks is employed to demonstrate correlation with the proposed classification.
Published Version
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