The Bed of Screws product is used to mount geosynthetic liners for testing on the load platform of the Large Direct Shear Machine. They are available in two sizes: 12in (304.8mm) square with 552 screws for the top shear box, and 12 x 16in (304.8 x 406.4mm) with 744 screws for the bottom shear box.
- Specific designs accommodate top or bottom shear box
- Used to test geosynthetic liners
- 12 x 12in or 12 x 16in Bed of Screws