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for the civil engineering industry

Building better technology
for the civil engineering industry

Tel: +44 (0)118 945 3737

Tel: +44 (0)118 945 3737

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Dynamic Simple Shear with Confining Pressure System


Dynamic Simple Shear with Confining Pressure System

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The VJ Tech Dynamic Simple Shear with Confining Pressure System (DSS-C) utilises 2 electro mechanical dynamic actuators for applying the vertical and horizontal loads to the sample which is either;

  • Held under Pressure in an adapted Triaxial type Cell or
  • Contained within Confining Rings without Confining Pressure
The actuators are controlled by the Dual Axis Dynamic Servo Controller (DSC3000MM) which also measures the feedback from the vertical and horizontal LSCT Transducers, Internal Submersible Load Cells and PWP Sensor.

The controlling software (Clisp Studio csDYNSS-C) enables all stages of the test (Saturation, Consolidation (Isotropic, Anisotropic or K0), Static Loading, Cyclic Shear (Stress or Strain) or Liquefaction) to easily be set up and run.

Dynamic Simple Shear with Confining Pressure System

System Setup

  • Dynamic Simple Shear with Confining Pressure Apparatus
  • Dynamic Servo Controller (Dual Axis)
  • Pneumatic Automatic Pressure Controller (Up to 1000 kPa (145 psi))
  • Hydraulic Automatic Pressure Controller (Up to 1000 kPa (145 psi))
  • Air/Water Bladder
  • Transducers (Vertical Load (Internal 5 kN (1124 lbf) Dynamic Load Cell), Horizontal Load (Internal 5 kN (1134 lbf) Dynamic Load Cell), Vertical and Horizontal Displacement (25 mm  (1 inch) LSCT), Pore Water Pressure (10 bar (145 psi))

Features:

  • Ethernet or USB PC Connection
  • Horizontal Force Actuator (consisting of a Servo Motor and Limit Switches)
  • Vertical Force Actuator (consisting of a Servo Motor and Limit Switches)
  • Confining Cell for sample with internal Load Cells (note Cell is capable of 2 MPa (290 psi) Pressure)
  • Axial and Shear stress-strain control
  • Accurate encoder control of axial and shear displacement
  • Sample Assembly Kits available:
  •    Skirted Base Pedestal and Top Cap (70 mm (2.75 inch) or 100 mm 4 inch) diameter sample size)
  •    Confining Ring Base Pedestal and Top Cap 70 mm diameter sample size
  • The following tests can be performed
    • Saturation, Consolidation and Static Load Control
    • Saturation, Consolidation and Dynamic (Cyclic) Shear Control
    • Saturation, Consolidation and Liquefaction

Detailed product specifications

Vertical Frequency 0.01 Hz - 5.00 Hz (on request 10.00 Hz maximum)
Vertical Load -5 kN to +5 kN (1 N resolution) (on request +/-10 kN)
Vertical Displacement +/- 15.000 mm (0.591")
Horizontal Frequency 0.01 Hz - 5.00 Hz (0.01 Hz resolution) (on request 10.00 Hz maximum)
Horizontal Shear Force -5 kN to +5 kN (1 N resolution) (on request +/-10 kN)
Horizontal Displacement       +/- 20.000 mm (0.787 mm resolution)
Data Logging Rate 1000 points/sec
Waveforms Sinusoidal, Square, Triangular, Haversine, Saw Tooth, User Defined
Dimensions (W x D x H)
70 cm x 135 cm x145 cm

Accessorize your purchase with these related items

Clisp Studio DSS with Confining Pressure Software Module
Clisp Studio DSS with Confining Pressure Software Module
Dynamic Simple Shear with Confining Pressure
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Dual Axis Dynamic Servo Controller (Mechanical)
Dual Axis Dynamic Servo Controller (Mechanical)
Pro Pneumatic APC (Single Channel) 1 MPa
Pro Pneumatic APC (Single Channel) 1 MPa
Pro Automatic Pressure Controller 1000 kPa (145 psi)
Pro Automatic Pressure Controller 1000 kPa (145 psi)
Dynamic Internal Submersible Load Cells
Dynamic Internal Submersible Load Cells
LSCT Dynamic Displacement Transducers
LSCT Dynamic Displacement Transducers
Pressure Transducers for Dynamic Systems
Pressure Transducers for Dynamic Systems
Air/Water Cylinder (1000 kPa)
Air/Water Cylinder (1000 kPa)

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