1st ISRM Commission Conference on Estimation of Rock Mass Strength and Deformability

The main purpose of the conference is to establish the current status of the procedures available to estimate rock mass strength and deformability.

Technical Talk

Influence of Weathering in the Definition of Geotechnical Units

Friday, December 06, 2024, 12:00 PM - 12:30 PM

This presentation will propose a methodology to define the basic geotechnical units based on the combination of lithology, alteration and the geotechnical zones instead of the mineral zones.

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Validation of Field Investigations of Rock Quality in the RMR89 and RMR76 Systems

Friday, December 06, 2024, 09:30 AM - 10:00 AM

This presentation details the consolidation of a database containing field parameters from rock samples or geomechanical stations, organized by lithology. It reviews Rock Mass Rating (RMR) correlations, analyzing parameter distribution percentages and RMR by lithology.

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Scale – Dependent Behavior of the GSI Index: a Comparative Analysis

Friday, December 06, 2024, 04:30 PM - 05:00 PM

The objective of this research is to compare methodologies for calculating the GSI, analyzing their application, formulation parameters, and reduction considering the structure of the rock mass and the condition of the joints.

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