Sample Preparation for Unconfined Compressive Strength

Gilson’s sample preparation products for soil unconfined compressive strength testing provide efficient and precise sizing, trimming, cutting, and molding of soil specimens.


  • Adjustable Soil Trimmers are available in two versions for cylindrical soil samples with diameters of up to 3 or 4in (76 or 102mm) and lengths up to 7.5 or 9.75in (191 or 241mm).
  • Open-End Wire Saw can be used with Adjustable Soil Trimmers, and also work well for a variety of soil trimming applications.
  • Hydraulic Sample Extruder provides easy and efficient removal of soil samples with minimal disturbance. The unit has sufficient force to eject even the most stubborn sample.
  • Two-Part Miter Boxes are available in sizes ranging from 1.4 to 6in (35.6 to 152.4mm) and used to trim samples to specified length for testing.
  • Two-Part Compaction Mold Assemblies used to prepare remolded cohesive soil samples for testing.