IRS

Definition

Intact Rock Strength (IRS) is a measure of the strength of unfractured rock material, indicating its ability to withstand stress without failure.

Purpose

IRS is used in geological and engineering studies to assess the suitability of rock for construction, mining, and other applications where rock stability is critical.

Examples of Use

• Testing rock samples to determine their strength for tunnel construction.
• Assessing rock stability in quarry operations to ensure safe extraction practices.
• Evaluating potential sites for dam construction based on the strength of the underlying rock.

Related Terms

• Rock Mechanics: The study of the behavior of rock under various physical conditions.
• Compressive Strength: The capacity of a material or structure to withstand loads tending to reduce size.
• Geotechnical Engineering: The branch of engineering concerned with the behavior of earth materials.

Notes

Accurate measurement of IRS is essential for designing safe and effective structures and for understanding the mechanical properties of rock in natural and engineered settings.