Motorized Vane Shear Tester

The shear Vane testing is used to determine the total shear resistance of normally cohesive, un-drained soils (especially soft clays) by fast shearing and is mostly useful for soils with low shear strength.

The motorized lab vane was developed and designed according to the latest scientific and research insights and requirements so that undisturbed soil samples (e.g., core cutters) as well as treated samples (e.g., Proctor samples) or artificial mixtures can be tested for practical applications as well as for research purposes.

The test is relatively easy to set up, quick, and provides an economical way of soil shear strength estimation and due to the variable sample container attachment and the height-adjustable vertical cross bar, the shape and size of sample containers which can be used are virtually unrestricted.

We manufacture two models for laboratory Vane shear test which this model is motorized version which gives Digital measurement of shear resistance (torque) using a digital transducer and LC-display with continuous or maximum value storage, and we also manufacture another version which is fully automatic and comes with data acquisition system and software.

 

 


  • Features
  • Specifications
  • Upgrade Options
  • Software
  • Standards
  • Applications
  • Simple, quick and accurate operation
  • Generates constant rate of rotation
  • Rigid and Stiff apparatus
  • With Speed control and Digital Shear Stress Measurement
  • Determination of the shear strength of undrained soft to stiff soils
  • Analogue output signal for data acquisition of torque
  • Unlimited shear displacement
  • Digital measurement of shear resistance (torque) using a digital transducer and LC-display with continuous or maximum value storage
  • Motorized vane speed with different ranges
  • Quick clamp attachment for different sample sizes
  • Height adjustable vertical cross bar for testing different sample heights
  • Accepts different size of specimens from 50 up to 200mm diameter
  • Can be used for undisturbed or remoulded samples

 

Sample diameter

50-200 mm

Torque

> 3 Nm

Resolution

0.001 Nm

Torque accuracy

Kl. 0.1 %

Shear displacement

unlimited

Measuring range according to vane size

0 – 466 kN/m2

Adjustable Speed

3 adjusting increments:
0 – 10°/min  ,  10 – 100°/min  , 100 – 1,000°/min

Additional Torque Output

2 V/Nm

Vane Sizes

  • Vane A 12,7 x 12,7mm
  • Vane B 12,7 x 19,0mm
  • Vane C 12,7 x 25,4mm
  • Vane D 20,0 x 30,0mm
  • Vane E 30,0 x 60,0mm
  • Vane F 40,0 x 80,0mm
  • Vane G 25,4 x 50,8mm

 

Different Vane sizes:

  • Vane A 12,7 x 12,7mm
  • Vane B 12,7 x 19,0mm
  • Vane C 12,7 x 25,4mm
  • Vane D 20,0 x 30,0mm
  • Vane E 30,0 x 60,0mm
  • Vane F 40,0 x 80,0mm
  • Vane G 25,4 x 50,8mm
  • Not available
  • ASTM D4648
  • Standard Test Method for Laboratory Miniature Vane Shear Test for Saturated Fine-Grained Clayey Soil

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

  • Detailed information will follow soon
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