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EPC Products Civil Engineering Testing Instruments Geotechnical Testing Rock & Soil Testing Laboratory Soil Testing Soil Water-physical Properties Soil-water Characteristic Curve (SWCC) UNSATURATED TRIAXIAL TESTING OF SOIL- UNSAT
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UNSATURATED TRIAXIAL TESTING OF SOIL- UNSAT

Model：UNSAT

Use：GDS Unsaturated Triaxial Testing System (UNSAT) is an extension to traditional triaxial testing

Standard：GBT 50123-2019

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GDS Unsaturated Triaxial Testing System (UNSAT) is an extension to traditional triaxial testing, in that soils from above the water table may be tested under conditions approaching the in-situ stress state and degree of saturation or partial saturation. The Stress Dependant Soil Water Characteristic Curve (SDSWCC) may be obtained using the axis translation technique.

All GDS triaxial testing systems (as well as triaxial equipment from other manufacturers*) can be modified to allow for Unsaturated Triaxial Testing. GDS provide options for 4 methods to perform unsaturated testing, each based on alternative methods for measuring  volume change.

  • Method A:  direct volume measurement using an air pressure/volume controller
  • Method B: HKUST inner cell
  • Method C: double walled cell
  • Method D: on-sample strain transducers
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GDS Instruments,GDS