DIRECT RESIDUAL SHEAR APPARATUS

BS 1377, EN 1997-2, ASTM D3080, AASHTO T236
Main features
  • Display of both speed and displacement with high resolution.
  • Box group mounted on ball track with high quality antifriction system.
  • Read value results are immediate and of extreme accuracy
  • Extremely easy and practical use

 

General description

The Digital Residual Direct Shear Apparatus is used for determination of the direct shear strength of soils specimen. The process is known as shear failure and occurs when shear stresses set up in the soil mass exceed the maximum shear resistance which the soil can offer, i.e. its shear strength.

The Automatic Direct Residual Shear Testing Machine comes complete with, Digital control of speed and data acquisition unit, infinitely variable speed drive from 0.00001 – 9.000000 mm/min via servo motor, wide-screen TFT control unit, 1/9, 1/10, 1/11 loading ratios, complete with a 5 kN load cell, a 25 x 0.001 mm linear potentiometric displacement transducer (for horizontal displacement), a 10 x 0.001 mm linear potantiometric displacement transducer (for vertical displacement).

Supplied complete with Geotechnical software. Shear box assembly, slotted weight set, specimen cutter and extrusion dolly.

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Technical specifications

Ordering info

SL 0824 Digital Residual Direct Shear Apparatus

Accessories

SL 0825 Square Shear Box Assembly, 60×60 mm

SL 0826 Square Shear Box Assembly, 100×100 mm

SL 0827 Square Shear Box Assembly, Ø 2.5 inch

SL 0828 Circular Shear Box Assembly, 60×60 mm dia.

SL 0829 Circular Shear Box Assembly, 100×100 mm dia.

SL 0830 Circular Shear Box Assembly, Ø 2.5 inch dia.

SL 0831 Set of Weights for consolidation, 16 kg

SL 0832 Set of Weights for consolidation, 32 kg

SL 0833 Set of Weights for consolidation, 50 kg

SL 0834 Set of Weights for consolidation, 64 kg

SL 0835 Set of Weights for consolidation, 80 kg