Chapter 6: Rock Friction and Creep
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5 Terms
What is the significance of friction tests in rock mechanics?
Friction tests determine the coefficient of sliding friction and how shear stress relates to normal stress on faults.
What factors influence rock friction?
Rock type, surface roughness, temperature, fluid presence, and normal stress all influence frictional behavior.
What is a creep test?
A creep test measures time-dependent deformation by holding stress or strain rate constant while monitoring strain evolution.
What are the three stages of creep?
The three stages are primary (transient), secondary (steady-state), and tertiary (accelerating) creep.
How does temperature influence creep behavior?
Higher temperatures accelerate creep by promoting atomic diffusion and dislocation motion.