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Direct Shear Apparatus

Direct Shear Apparatus
Direct Shear Apparatus
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Product Code : JLab1676
Brand Name : JLab
Product Description

Direct Shear Apparatus


  • Used to determine the resistance to shearing of all types of soil specimens both consolidated and drained, undisturbed or remoulded samples.
  • The machine can accommodate specimens dia. 60, 100 mm, and square 60 x 60, 100 x 100 mm.
  • The apparatus is equipped with a control closed loop motor with epicycloid reducers.
  • At the beginning of each test, the machine performs an automatic and complete internal check, a position reset with the elimination of all possible positioning errors and all pauses.
  • The input of all the test patterns is achieved by the interaction of the keyboard and the alphanumeric display with self-memory, thus granting infinitesimal resolutions in short times.
  • All data are input and stored when the machine is in stand-by, without affecting the specimen under test with quick machine setting.
  • Possibility to fix maximum excursion of the shear box, so as to interrupt automatically the test.
  • It is possible to input a different return speed (residual shear) in relation to the one used for the shear test, thus allowing a quick playback to select the residual shear test, saving a lot of time.
  • For determining the direct shear strength of soils on specimen size 60mm x 60mm x 25mm.


  • Display of both speed and displacement with 0.00001 mm resolution
  • Shear speed between 0.00001 to 9.99999 mm/minute
  • Max shear effort: 5000 N possible on the whole speed range
  • Possibility of direct vertical load, or with a lever arm ratio 10:1
  • Max vertical direct load: 500N; with lever arm: 5500N
  • Display and pilot lamps to signal any bad functioning and alarms
  • 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, not requiring qualified staff.
  • Shear box, hollow punch, and tamper are not included in the standard supply and have to be ordered separately Power supply: 230 V A.C. Single Phase 50Hz