Dynamic Triaxial Testing GDS Instruments has supplied more than 300 dynamic triaxial testing systems throughout the world, making them one of the most experienced suppliers in the field. GDS supply Dynamic Cyclic, Dynamic Triaxial Testing using either electromechnical, hydraulic or pneumatic actuation to suit your application in terms of load and frequency. GDS Enterprise Level Dynamic Triaxial Testing System Resilient Modulus Testing System Advanced Dynamic Triaxial Testing System Hydraulic Load Frames for Soil GDS Large Diameter Cyclic Triaxial Testing System GDS True Triaxial Apparatus Dynamic Triaxial Testing System (DYNTTS-10) DYNAMIC TRIAXIAL TESTING SYSTEM (DYNTTS-5)