Australian Standard, AS 1726-1993 sets out, in detail, the minimum requirements for the carrying out of a geotechnical site investigation. AS 1726-1993 provides these definitions: Geotechnical – pertaining to the nature, condition and physical properties of the earth’s crust (whether soil or rock and including water and gases therein)  which affect its performance in civil engineering … Continue reading Geotechnical Drilling and Sampling