Sonic drilling is a soil penetration technique that strongly reduces friction on the drill string and drill bit due to liquefaction, inertia effects and temporary reduction of porosity of the soil...
Comprehensive geotechnical site investigation for a Hydropower Project in the Lao PDR. Work included geotechnical drilling, insitu testing, and undisturbed soil sampling for both on land and in river boreholes; with seismic refraction surveys
Geotechnical Investigation for tailings dam closure spillway and CFRD Raise. The work comprised diamond drilling with in-situ strength testing and sampling at each proposed borehole location, followed by laboratory testing of undisturbed core samples.
Geotech International has the capability and full set of the BLY TruCore and TruShot test equipment to perform core orientation and borehole orientation measurements.
VW Multi-level Piezometer Installation in deep boreholes. Geotech International successfully performed the installation of VW multi-level piezometers at up to 500m deep boreholes in a new mine site in Papua New Guinea.
Geotech International provided drilling and grouting to install a seepage grout curtain under Tailings Storage Facility (TSF) spillway abutments to reduce seepage in the Lao PDR