GEOTECHNICAL
Soil Testing - Salinity & ACID Sulfate - permeability - groundwater
Geotechnical Investigation
Geotechnical investigations are performed to obtain information on the properties of soil and groundwater around a site. A geotechnical investigation involves a desktop search of known mapping data and site characteristics and on-site borehole drilling for acquisition and classification of samples. The data gathered during the geotechnical investigation is used to inform environmental site response measures. The investigation data is also used to perform onsite wastewater assessments and earthworks estimating.
Land and Soil Investigation
Soil investigation & Mapping
In-situ and laboratory
Invesitgation and assessment
Soil Hydraulic Conductivity
Estimation and Design
Geotechnical Soil Testing
Geotechnical testing involves collecting soil samples in either a "disturbed" or "undisturbed” state. A disturbed sample (e.g. from an auger) will allow classification of grain size, water content and colour but it’s properties will not represent the true in-situ soil properties. Undisturbed samples aim to maintain the in-situ soil state, allowing the soil properties to be tested. Broadcrest uses undisturbed thin wall tube sampling to ensure the highest quality soil testing.
Learn more about the geotechnical soil tests here or soil permeability testing here.
Geotechnical Design
Cut and fill
Bulk earthworks use cut and fill to minimise the amount of construction labor, time and cost involved in earth moving. A cut and fill investigation is used to develop a 3D model showing the bulk volumes, levels, layout and planning dimensions.
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