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for the civil engineering industry

Building better technology
for the civil engineering industry

Tel: +44 (0)118 945 3737

Tel: +44 (0)118 945 3737

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Unsaturated Testing

It is important to understand the mechanical behaviour of unsaturated soils, as they occur extensively in compacted fills and also in natural soils above the water table. Unsaturated soil has a negative pore water pressure. The ingress of water into an unsaturated soil will affect the pore water pressure and therefore soil suction. Changes in suction can result in collapses, landslides and also swelling. However, the measurement of volume change of unsaturated soil is not straightforward.

Vj Tech offers 2 systems for Unsaturated Triaxial testing (Bishop & Wesley type twin cell and double walled cell), an unsaturated shearbox for Unsaturated Shear testing and an SD-SWCC system for Stress Dependent Soil Water Characteristic Curve testing

Useful datasheets to download for further information;

 Unsaturated Triaxial Testing

 Unsaturated Shear Testing

 SD-SWCC Testing

Select the category of Unsaturated Testing you are interested in to see available equipment options;