Triaxial Stress Path

Triaxial Stress Path Load Frame / Test System

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LoadTrac II/FlowTrac II

The LoadTrac-II/FlowTrac-II System for triaxial (CU, CD, and UU) and stress path testing fully automates the conduct of triaxial stress path tests on soils, and soft rocks. This system operates by software which automates the initialization, saturation, consolidation (isotropic, anisotropic, and Ko) and shear phase along any stress path (drained, undrained, or mixed) of a test. Consolidation and shear phases contain up to 32 steps. This system allows specifications of all steps required to perform a triaxial stress path test along any stress path test possible in a triaxial cell, including the ability to specify changes in pore pressure.

Applicable Test Standards

  • ASTM D-4767, D-7181, D-2850
  • AASHTO T-297
  • COE EM 1110 Consolidated Undrained Compression/ Extension tests, Consolidated Drained Compression/ Extension tests, Stress Path tests
  • BS (British Standard)

Features

  • Choose load capacity to fit user needs from 45 and 90 kN (10,000 and 20,000 lbs.) models
  • Total automation, control, data collection and reporting of test results
  • Prepare tables and plots of report quality within minutes of completing a test
  • Geo-NET compatibility lets unit be accessed and controlled over a computer network
  • Generate columns of data for easy reduction using your own spreadsheet software
  • Choose volume capacity to fit user needs from 250, and 750 cc models
  • Accurate displacement rate control from 0.00003 to 35 mm per minute (0.000001 to 1.3 in. per minute)
  • Accurate pressure and volume measurements with integrated sensors
  • Stand alone through front keypad and LCD menu capability
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