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Luke Valvona, Pre-Sales Engineer at GDS Instruments talks through the features and benefits of GDS' Advanced Dynamic Triaxial Testing System (DYNTTS).

Overview of GDS' Range of Hydraulic Loading Frames (HLF). The frames have a hydraulic dynamic actuator mounted on the cross beam for axial stress/strain cyclic dynamic loading. The load frames are available in 100kN, 250kN and 1500kN loads.

Overview of GDS' Large Automated Direct Shear System (GDSLADS). An electro-mechanical direct shear testing device for large samples, up to 300mm square or round. Different sample sets can be used to achieve the following types of testing in one system: Standard Direct Shear up to 300 x 300mm x 150mm, Geomembrane Shear test, Rock Mechanics sample set.

Luke Valvona, Pre-Sales Engineer at GDS Instruments talks through the features and benefits of GDS' Electro-Mechanical Dynamic Cyclic Simple Shear Apparatus (EMDCSS).

Camilo Perico a QA & Test Engineer at GDS Instruments, gives an overview of GDS' Resonant Column torsional excitation mechanism.

Camilo Perico a QA & Test Engineer at GDS Instruments, gives an overview of GDS' Resonant Column Apparatus. More technical videos on the system to follow.

GDS' purpose built demonstration and training room allows customers the opportunity to gets hands on with the apparatus. GDS are able to stock the room with most GDS apparatus and if required can carry out full product training.

Michael Bulley a QA & Test Engineer at GDS Instruments gives an overview of GDS' Electro-Mechanical Dynamic Cyclic Simple Shear Apparatus. More technical videos on the system are to follow.

Mr. Efthymios Apostolou and Dr. Andrew J. Brennan from the Civil Engineering department of the University of Dundee, planned to carry to out some advanced physical modelling techniques in the Universities centrifuge. However, before using large amounts of soil in a centrifuge model and testing it under earthquake motions, it is necessary to test the material under shearing to check its behaviour, in particular liquefaction.

GDS’ equipment has been used in China for over two decades. With more than 160 active users, 330 systems in the field and over 500 published papers (using GDS' apparatus), GDS have established themselves as the first choice for geotechnical testing apparatus in China.