The Electromechanical Dynamic Triaxial Testing System (DYNTTS) is a combined triaxial cell and dynamic actuator, the axial force and axial deformation being applied through the base of the cell. The cell itself is screw-driven from an integral base unit housing the motor drive. Where an optional dynamic radial actuator is not chosen, the cell is provided with a balanced ram to eliminate disturbance to constant cell pressure during dynamic testing. This software-based system is controlled from a PC running GDSLAB in MS Windows. Data is saved and displayed in real-time for any number of cycles.Technical Specification: Displacement range = 100mm. Displacement accuracy = 35μm in 50mm (i.e. 0.07%). Displacement resolution = 0.208μm. Axial force accuracy = <0.1% of load cell range (i.e. 1N for 10kN load cell)]. Axial force resolution = 16bit (i.e. <0.4N for 10kN load cell, <1.5N for 40kN load cell). Control data points = 10,000 points/sec. Maximum saved data points = 100 points/cycle.

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