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Stress Path Bishop & Wesley Triaxail Testing System

This high quality stress/path triaxial system is consisting basically of a Bishop & Wesley cell, three pressure/volume controller, internal submersible load cell to measure axial load, a pressure transducer to measure pore water pressure and a linear displacement transducer to measure vertical displacement.

Thanks to the integrated software and also keyboard controller (pressure/volume system), the operation of the device is very user-friendly. Exchangeable, pre-calibrated measuring sensors guarantee high accuracy over a wide measuring range.

All the tests are running under PC control like stress path, K0, slow cyclic.

Options:

  • Local strain measurement
  • Unsaturated testing system
  • Bender element test

 


  • An improved Bishop & Wesley triaxial samples with pedestal, top cap
  • Internal submersible load cell to measure and closed-loop control of axial load
  • Pressure transducer to measure pore water pressure and B-value check
  • Linear displacement transducer to measure vertical displacement
  • Automatic pressure/volume controller for closed-loop control of axial stress and strain
  • Automatic pressure/volume controller for cell pressure control and back pressure control
  • Optional advanced data acquisition system for additional transducer
  • A complete PC with user friendly software enables all kinds of stress paths to control automatic pressure volume systems and to acquire all the sensors
  • All devices include a serial RS232 and Ethernet port

Sample diameter

Up to 101.8 mm
(38, 50, 60, 70 and 100 mm)

Cell pressure

Up to 2 MPa

Max. axial load

5 kN

Max. axial load with motorized version

25 kN

  • Not available
  • Not available
  • ASTM D-2850
  • Standard Test Method for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils

  • ASTM D-2850-03a
  • Standard Test Method for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils

  • ASTM D-4767
  • Standard Test Method for: Consolidated Undrained Triaxial Compression Test for Cohesive Soils.

  • ASTM D-5084
  • Standard Test Methods for Measurement of Hydraulic Conductivity of Saturated Porous Materials Using a Flexible Wall Permeameter

  • ASTM D-7181
  • Test Method for Consolidated Drained Triaxial Compression Test for Soils

  • ASTM D-7181-11
  • Method for Consolidated Drained Triaxial Compression Test for Soils

  • BS 1377-6
  • Methods of Test for Soils for Civil Engineering Purposes: Consolidation and Permeability Tests in Hydraulic Cells and with Pore Pressure Measurement

  • CEN ISO/TS 17892-11
  • Geotechnical investigation and testing — Laboratory testing of soil — Part 11: Determination of permeability by constant and falling head

  • CEN ISO/TS 17892-8
  • Geotechnical investigation and testing — Laboratory testing of soil — Part 8: Unconsolidated undrained triaxial test

  • CEN ISO/TS 17892-9
  • Geotechnical investigation and testing -- Laboratory testing of soil - Part 9: Consolidated triaxial compression tests on water-saturated soils

  • AS 1289.6.4.1
  • Soil strength and consolidation tests- Determination of compressive strength of a soil-Compressive strength of a specimen tested in undrained triaxial compression without measurement of pore water pressure.

  • AS 1289.6.4.2
  • Soil strength and consolidation tests-Determination of compressive strength of a soil-Compressive strength of a saturated specimen tested in undrained triaxial compression with measurement of pore water pressure

  • AS 1289.6.6.1
  • Soil strength and consolidation tests-Determination of the one-dimensional consolidation properties of a soil-Standard method.

  • JGS 0412
  • Test Method for one-dimensional consolidation Properties of Soils using constant rate of strain loading

  • JGS 0521
  • Method for Unconsolidated-Undrained Triaxial Compression Test on Soils

  • JGS 0522
  • Method for Consolidated-Undrained Triaxial Compression Test on Soils

  • JGS 0523
  • Method for Consolidated-Undrained Triaxial Compression Test on Soils with Pore Water Pressure Measurements

  • JGS 0524
  • Method for Consolidated-Drained Triaxial Compression Test on Soils

  • Detailed information will follow soon
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