Tinius Olsen

Direct Shear Test Apparatus

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Every building or structure imposes load on the soil supporting the foundation and this develops stress among the soil particles; failure of this stress leads to the sliding of one body of soil relative to the surrounding mass.
 
Tinius Olsen’s Direct Shear Test Apparatus is a motorized dead weight testing machine designed for direct and residual shear testing on undisturbed and remolded soil specimens. The machine uses a 10:1 beam loading device to control confining pressures, a load cell with readout to measure shear pressure and a displacement transducer to measure shear and vertical displacement.

Features & Benefits

  • Applicable Standards: BS 1377; EN 1997-2; ASTM D3080
  • Microprocessor control
  • Rapid approach and return to start datum
  • Fully variable speed, up to 9.99mm/min
  • Reduced operator involvement
  • Direct entry through keyboard
  • Direct reading in engineering units
  • Modular transducer system

    • Specifications

  • Mode of display: Microcontroller multi-line alpha numeric display for all simultaneous channels
  • Capacity: 2kN (200kgf) load cell
  • Range: + 20 mm. LVDT displacement sensor with 3m-long cable
  • Shear measurement: Direct/residual
  • Fast forward/reverse speed: 10mm/min
  • Rates of strain: Up to 9.99mm/minute
  • Specimen size: 60 x 60 x 25mm

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    Direct Shear Test Apparatus