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  • Triaxial Testing System (Automated Stress)

    Model:GDSTTS
    Country of Origin:UK
    Use:The GDS Triaxial Testing System (GDSTTS) is a fully automated triaxial testing system designed principally for stress path testing. The GDSTTS is based on the classic Bishop & Wesley type stress path triaxial cell which controls stress directly on the sample. The system can be configured using Enterprise, Standard or Advanced level controllers. The 38/50mm cell is for up to 7kN axial force, with the larger 70/100mm cell up to 25kN. This is the system of choice for teaching laboratories and researchers.

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  • Triaxial Automated System (Load Frame type)

    Model:GDSTAS
    Country of Origin:UK
    Use: The GDS Triaxial Automated System (GDSTAS) is a load frame-based triaxial testing system. The system is configured by choosing from a range of load frames, triaxial cells, pressure controllers and software. The system can be configured as a multi-station commercial testing apparatus (e.g. 50kN/1MPa) right through to high range rock testing at research level (500kN/100MPa). If an existing system requires upgrading, parts of the GDSTAS system can be incorporated with existing equipment (including from other manufacturers) to upgrade the system.

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  • Unsaturated Triaxial Testing of Soil

    Model:UNSAT
    Country of Origin:UK
    Use: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. All GDS triaxial testing systems (as well as triaxial equipment from other manufacturers*) can be modified to allow for Unsaturated Triaxial Testing. GDS provide 4 methods to perform unsaturated testing. • Method A: direct volume measurement using a GDS pore air pressure/volume controller • Method B: HKUST inner cell • Method C: double cell • Method D: on-sample strain transducers *Please confirm existing equipment with GDS to check for compatibility.

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  • GDS Virtual Infinite Stiffness Loading System

    Model:GDSVIS
    Country of Origin:UK
    Use: The GDS Virtual Infinite Stiffness loading system (GDSVIS) is the premier load frame in the GDS range with load capacities or 100kN, 250kN, 400kN and 500kN. VIS stands for virtual infinite stiffness, it allows the axial loading system to operate as though it has infinite stiffness (zero system compliance). This type of frame is exclusive to GDS.

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  • Triaxial Cells

    Model:Cells
    Country of Origin:UK
    Use:GDS produce an extensive range of triaxial cells in order to satisfy the complex range of tests required by today’s modern geotechnical laboratories. Traditional passive triaxial cells (known as passive due to the fact that they are used with an external actuator such as a load frame to apply axial loads), large diameter triaxial cells (up to 500mm sample diameter), active triaxial cells (based on Bishops and Wesley’s original hydraulic stress path apparatus and include an actuator ‘built in’), as well as cells specifically designed for dynamic triaxial testing with low friction bearings and seals are available from GDS. In addition, there are a number of features such as balanced ram triaxial cells, access ports and access rings for internal transducers that are offered.

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