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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 & Direct Shear System


Dynamic (Cyclic) Simple & Direct Shear System

For prices: call +44 (0)118 945 3737 or Email us
The VJ Tech Dynamic Simple & Direct Shear System has been designed to perform either Dynamic Shear, Direct/Residual Shear or Direct Simple Shear tests and incorporates;

  • A sturdy frame with 2 electro-mechanical actuators for Horizontal and Vertical movement
  • A Dual Axis Dynamic Servo Controller (DSC3000MM) for actuator control & Transducer data logging
  • Interchangeable Direct Shear or Simple Shear carriage assembly for the sample
The System can be used for either a:

  • Direct/Residual Shear test
  • Simple Shear test with the height of the sample kept constant using Active height control
  • Cyclic Simple Shear test with a cyclic horizontal force & constant Vertical stress applied
  • Cyclic Simple Shear test with a cyclic horizontal force & constant height maintained
  • Cyclic Simple Shear test with a cyclic horizontal displacement & Vertical stress maintained
  • Cyclic Simple Shear test with a cyclic horizontal displacement & constant height maintained

Dynamic Simple & Direct Shear System

Features: 

  • csSimpleShear software conforms to ASTM D6528-07
  • csSHEAR software conforms to BS1377
  • csDYNADSS software conforms to ASTM D6528-07
  • Interchangeable direct/residual and simple shear sample assemblies:
  • Stainless Steel /Hard Anodised Simple Shear apparatus/assembly includes:
    Vertical and horizontal actuator mountings
    All transducer and load cell mounting brackets for 5 kN S Beam Load Cell
  • Direct Shear Water Carraige Supplied as standard:
  • Optional Diameter/Square  Sample boxes available on request 60-100 mm
    Sample height 20 mm (Nominal)
  • Fully variable speed range from 0.00001 mm/min to 10.0000 mm/min
  • Active height control
  • Sample accessories sold separately

Detailed product specifications

Horizontal & Vertical Dynamic Frequency
  0.0001 - 5.0000 Hz
Horizontal & Vertical Dynamic  Load
  +/- 5 kN 
Horizontal Travel    Simple Shear (45 mm), Direct Shear (20 mm) 
Vertical Travel    Simple Shear (25 mm), Direct Shear (20 mm) 
Sample Size (Simple Shear)    70 mm diameter with accessories and 12 Confining Rings 
Sample Size (Direct Shear)    60, 70 & 100 mm Optional Diameter/Square  Sample boxes, nominal 20 mm height 
Cyclic Waveforms    Sinusoidal, Square, Triangular, Haversine, Saw Tooth or User Defined 
Electrical Requirement    90-240VAC, 50-60 Hz, 1ph 
PC Interface    Ethernet or USB

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