Hollow Cylinder Apparatus (HCA)

The Hollow Cylinder Apparatus enables the operator to apply rotational displacement and torque to a hollow cylindrical or soil specimen of soil. This modular testing apparatus is suitable for static and dynamic test and can simulate the complex loading conditions at a point in a soil Specimen. The device can also be used as a cyclic triaxial testing device by changing the upper and lower pedestals into solid ones. It is capable of testing axial strain levels lower than 0.00001 %.

APS (Wille Geotechnik®) is manufacturing and providing variety range of electromechanical or servo hydraulic Hollow Cylinder Apparatus in variety range of load/torque and frequencies for many years which enable us to cover all needs of the users for testing small and large sample sizes for different applications.This machine gives a lot of flexibilities to the users to run advanced complex tests with highest accuracy and precision and add different upgrading module to system to configure the required testing applications.


  • Features
  • Specifications
  • Upgrade Options
  • Software
  • Standards
  • Applications
  • Static and cyclic loads
  • Electromechanical or servohydraulic Apparatus
  • For Hollow and solid samples
  • Electromechanical apparatus up to 25KN- 10Hz/200 Nm
  • Servo-hydraulic apparatus up to 100KN- 100Hz/600 Nm
  • Sample sizes up to 300mm O.D
  • Software including different test module e.g. Saturation, consolidation, Stress paths, monotonic shear test, dynamic shear test, plane strain, simple shear and etc.
  • Easy access to sample by Cell wall lifting mechanism
  • High speed dynamic controller for monitoring of measured values and test procedures (2,5KHz or 10 KHz and 24 bit)
  •  

 

Type of Load

Electromechanical                             Servohydraulic

Axial Load

10kN -20kN                                        Up to 100kN

Frequency

2Hz / 5Hz / 10Hz                               Up to 50Hz

Sample Size

                    Outer/inner/height (mm)

                       100 / 60 / 200
                       150 / 75 / 300
                       200 / 160 / 400
                       300 / 150 / 600

Stroke

                             100 mm

Torque

100Nm / 200Nm / 250Nm                  600Nm

 

  • Lifting device for Triaxial cell
  • Large sample sizes up to 300mm O.D
  • Balanced ram for dynamic tests up to 10Hz
  • Temperature control package
  • Bender Element package
  • Unsaturated Test
  • Local strain transducers
  • Non-contact proximity transducers
  • Submersible load cell
  • High Pressure cell
  • K0 tests
  • Water degassing apparatus
  • Cyclic Cell and back Pressure
  •  
  • Data Acquisition, processing, and device management (DPD) Module
  • Saturation Module
  • B-value -Test Module
  • Consolidation Module (Isotropic or anisotropic)
  • Permeability Test Module
  • Stress path module: Linear stress paths-b, α and q
  • Simple Shear (distortion, ε! = ε" = 0)
  • Plane Strain (compression, ε" = ε# = 0)
  • Static Shear Stage Module: UU: Unconsolidated Undrained Triaxial Test (Total Stress test)
  • Static Shear Stage Module: CU: Consolidated Undrained Triaxial Test with pore pressure measurement (Effective Stress test)
  • Static Shear Stage Module:CD: Consolidated Drained Triaxial Test with pore pressure measurement (Effective Stress test)
  • Unsaturated Test Module
  • K0 Test Module
  • Dynamic Shear Stage Module :
  • Advanced loading Module
  • Temperature-Controlled Triaxial Testing
  • Cyclic Cell / Back Pressure Module
  • JGS 0511-2009
  • Method for Unconfined Compression Test of Soils

  • JGS 0543
  • Method for Cyclic Torsional Shear Test on Hollow Cylindrical Specimens to Determine Deformation Properties of Soils

  • Detailed information will follow soon
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