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GDS unsaturated soil triaxial instrument wins bid again at Jilin University
Release time: 2018-08-30

GDS unsaturated soil triaxial instrument uses internal pressure chamber plus high-precision differential pressure sensor (DPT) to measure volume change; the software can control pore air pressure, pore water pressure, confining pressure and axial pressure controller through the four-dimensional stress path module; Complete the following tests; make the soil sample unsaturated; soil-water characteristic curve; drainage test under saturated conditions; drainage test under unsaturated conditions
In all GDS-upgraded unsaturated soil tests, axis translation technology is used to control matrix suction. This method requires the use of a pressure controller or regulator to control the pore air pressure of the soil sample, and a clay plate with a high air intake value to isolate air and water. Due to the presence of air in the pores, the volume deformation of the test specimen becomes very complicated, and different methods can be applied to accurately measure the volume change. GDS can also upgrade equipment of other manufacturers for unsaturated soil testing, please contact us if necessary.
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