Welcome to GDS Instruments - Specialists in Computer Controlled Geotechnical Soil and Rock Testing Systems

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Technical Papers

Technical papers relevant to GDS systems, with many available for download as pdf.

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Product Helpsheets

Helpsheets are the GDS FAQ documents, designed to be a one stop self help section.

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You Tube Channel

Both hardware and software videos designed for use by both existing and potential customers.

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GDS Related Technical Papers

Measure for Measure

Patrick Hooker of GDS Instruments examines some methods used to evaluate the shear modulus of soil and rock at very small strains, Gmax, a very useful parameter for use in Finite Element analysis. Reprinted from Ground Engineering (EMAP publications), November 2002, with kind permission.

This document is available from this website in pdf (acrobat) format only. Hard copies available from GDS.

Download as a pdf [1,018kb]