Mechanical and ultrasonic anisotropic response of soil

This paper describes experimental procedures to relate multiaxial mechanical and ultrasonic responses of a cemented sand toward a study of stress-induced anisotropy due to microstructural changes under loading, unloading, and reloading. It is shown that the ultrasonic velocities and attenuation can provide indirect measures of microcracking and resulting induced anisotropy. The procedures proposed can lead to development of correlation between mechanical and ultrasonic characteristic and toward determination of material parameters based on laboratory and field measurements.