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<p>The GDS 1000kN loadframe is a servo-hydraulic system that has been designed to be a compact and effective addition to a soil and rock testing laboratory. Hydraulic power is derived from a separate powerpack that can be sited up to 15m from the Loadframe. ...
The 500kN Virtual Infinite Stiffness loading system (GDSVIS) is the premier load frame in the GDS VIS range. VIS stands for virtual infinite stiffness, it allows the axial loading system to operate as though it has infinite stiffness (zero system compliance). ...
Acoustic emissions testing provides a nondestructive means of accurately characterizing the properties of rock core specimens under triaxial test conditions. After in situ conditions are reproduced, changes in loads, confining pressures, pore pressures and ...
The High Pressure Back Pressure Shearbox (HPBPS) is a high pressure version of our standard back pressures shearbox which also has the unique feature of being able to perform direct shear tests with precise back pressure control, for the direct control and ...
<p>Used for the evaluation of the surface roughness of rock samples. This simple device allows to a myriad of very thin steel wires to perfectly lay to the outline of the sample under test, so to allow its analysis</p>
Used to obtain rock samples perfectly machined (cube, prisms, etc) from irregular rock or core pieces. It is supplied complete with a proper vice to hold irregular pieces firmly in place up to 70x140 mm approximately and "V" device for cores up to 75 mm dia. ...
<p>Direct shear testing studies the boundary conditions of natural (or artificially induced) faults or joints in fractured rocks, including cylindrical core samples and prismatic specimens. Typically, a specimen shear box holds the rock sample while a biaxial ...
<p>Direct tensile testing is an essential part of geological studies. Subjecting cylindrical rock specimens to direct tensile forces reveals ultimate yield strength and resistance to failure under various tensile loads, which enables more accurate determination ...
Fracture toughness is a measure of a material's ability to resist fracture in the presence of a crack. Fracture toughness tests generally require a specimen that contains a pre-existing crack, often generated by fatigue pre-cracking. For specimens where the ...
The Hoek triaxial cells are offered in four models of different size