Fully Automatic Electromechanical Direct-Residual Shear Apparatus

This stand alone electromechanical static machine is a sophisticated robust construction in connection with high-quality mechanic and electronic components designed to test soil specimen in variety range of sizes.

The machine includes of a high stiffness frame and actuator system to compensate any deformation in static loading. This machine is suitable for highly precise direct shear tests in practice and research (optionally expandable for several other tests).







  • Features
  • Specifications
  • Upgrade Options
  • Software
  • Standards
  • Applications
  • Suitable for highly precise direct shear tests in practise and research
  • The complete shear box system is made of stainless steel, incl. porous plates, load piston and water container for saturated conditions
  • The main advantage is an accurate testing of soil parameters without tilting and friction between shear box components (e. g. load piston, upper shear box, lower shear box)
  • The normal stress and the shear stress are closed-loop controlled by an electromechanical precision drive system
  • The device can be operated by the touch sensitive keypad or fully automatic by a computer with adecuate control software
  • Standard direct shear boxes:
    • Square size: 60 x 60 mm ( 36 cm² )
    • Square size: 100 x 100 mm (100 cm²)
    • Circular: Ø 60 mm (28.27 cm²)
    • Circular: Ø 71.4 mm (40 cm²)
    • Circular: Ø 80 mm (50 cm²)
    • Circular: Ø 94.4 mm (70 cm²)


Note: Other sizes are available on request

Maximum shear force (standard) 5 / 10 kN
Maximum normal force (standard) 5 / 10 / 20 kN
Shear displacement +/-25 mm
Accuracy class 0.1 %
Resolution 0.00001 kN
Shear rate 30 – 0.000001 mm/min
Rated power < 200 W
Dimensions (D*W*H) 400*400*1500 mm
  • Not available
  • Not available
  • ASTM D-3080
  • Standard Test Method for Direct Shear Test of Soils Under Consolidated Drained Conditions

  • BS 1377-7
  • Methods of test for Soils for civil engineering purposes - Part 7: Shear strength tests (total stress)

  • CEN ISO/TS 17892-10
  • Geotechnical investigation and testing -- Laboratory testing of soil -- Part 10: Direct shear tests

  • JGS 0560
  • Method for Consolidated Constant Volume Direct Box Shear Test on Soils

  • JGS 0561
  • Method for Consolidated Constant Pressure Direct Box Shear Test on Soils

  • Detailed information will follow soon
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