Triaxial Test

The GCTS Soil Triaxial Test Systems (STX Series) are designed to perform conventional triaxial tests at the highest level of reliability and accuracy while also being versatile enough to perform more advanced procedures, such as the K0 test and stress/strain path tests. This system also provides the necessary versatility to easily perform dynamic tests for liquefaction, resilient modulus, and cyclic strength. These systems includes all the necessary hardware and software to automatically perform all triaxial stages including saturation, consolidation, and easily created cyclic and static customized test procedures. It allows creation of an unlimited variety of waveforms including user-generated profiles such as a digitized earthquake record. The system software provides advice for the user as to how to perform testing tasks.

Summary results for individual test specimens can be generated in report format and files can be merged to produce a Mohr envelope plot for up to five specimens. The software will also automatically calculate the shear modulus and hysteretic damping for dynamic tests. Data acquired from all the software modules can be easily transferred to other programs like spreadsheets, databases, etc.

The standard systems can also be upgraded in order to test unsaturated soils and frozen soils. True triaxial testing systems are also available to provide increased control over the stress paths of the soil specimen during shearing. Systems are available to perform these true triaxial tests on both cubical and hollow cylindrical specimens.

 

Relevant Standards

ASTM D2850 Standard Test Method for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils

ASTM D4767 Standard Test Method for Consolidated Undrained Triaxial Compression Test for Cohesive Soils

ASTM D7181 Method for Consolidated Drained Triaxial Compression Test for Soils

 

STX-050

Download the STX-050 PDF Brochure

HIGHLIGHTS

  • 10 kN axial load capacity
  • 1,000 kPa confining and pore pressure capacity
  • 70 mm maximum specimen diameter
  • Closed-loop digital servo control
  • Automatically perform saturation, consolidation & shear stages
  • Static & dynamic loading
  • Stress/strain path
  • Frequencies up to 5 Hertz
  • Electro-pneumatic
  • Affordably priced
  • Optional unsaturated soils testing system upgrade also available

STX-100

Download the STX-100 PDF Brochure

HIGHLIGHTS

  • 25 kN axial load capacity
  • 1,000 kPa confining and pore pressure capacity
  • 70 mm maximum specimen diameter
  • Closed-loop digital servo control
  • Automatically perform saturation, consolidation & shear stages
  • Static & dynamic loading
  • Stress/strain path
  • Frequencies up to 30 Hertz
  • Electro-hydraulic

STX-200

Download the STX-200 PDF Brochure

HIGHLIGHTS

  • 50 kN axial load capacity
  • 2,000 kPa confining and pore pressure capacity
  • 100 mm maximum specimen diameter
  • Closed-loop digital servo control
  • Automatically perform saturation, consolidation & shear stages
  • Static & dynamic loading
  • Stress/strain path
  • Frequencies up to 30 Hertz
  • Electro-hydraulic

STX-300

Download the STX-100 PDF Brochure

HIGHLIGHTS

  • 100 kN axial load capacity
  • 2,000 kPa confining and pore pressure capacity
  • 150 mm maximum specimen diameter
  • Closed-loop digital servo control
  • Automatically perform saturation, consolidation & shear stages
  • Static & dynamic loading
  • Stress/strain path
  • Frequencies up to 30 Hertz
  • Electro-hydraulic

STX-600

Download the STX-600 PDF Brochure

HIGHLIGHTS

  • 1,000 kN axial load capacity
  • 2,000 kPa confining and pore pressure capacity
  • 300 mm maximum specimen diameter
  • Closed-loop digital servo control
  • Automatically perform saturation, consolidation & shear stages
  • Static & dynamic loading
  • Stress/strain path
  • Frequencies up to 20 Hertz
  • Electro-hydraulic

STX-2000

Download the STX-2000 PDF Brochure

HIGHLIGHTS

  • 3,000 kN axial load capacity
  • 10 Hz maximum testing frequency
  • 3,000 kPa confining and pore pressure capacity
  • 1,000 mm specimen diameter
  • Electro-Hydraulic digital servo control
  • Dynamic compaction frame with 200 kN load capacity and frequencies from 0 to 100 Hz

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Triaxial Test

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