A device for measuring strain and volume of a soil sample including an enclosure adapted to receive a soil sample within another enclosure. A base adapted to hold the sample enclosure. The device also has a plurality of moveable arms located between the enclosures which may be a spaced distance apart and adapted to move around the sample. Cameras as included on the arms.
US 20200209209 A1
Board of Trustees of the University of Arkansas (Fayetteville, AR)
Salazar, S. E., & Coffman, R. A. (2022). Pressurized fluid-submerged, internal, close-range photogrammetry system for laboratory testing. Patents Granted. Retrieved from https://scholarworks.uark.edu/pat/438