Geotechnical investigation is the process of evaluating the subsurface conditions of a site to understand its geological, geotechnical, and hydrological properties.
This investigation is essential for construction projects, as it helps engineers and designers understand the characteristics of the soil and rock beneath the ground surface.
Geotechnical investigations typically involve drilling boreholes and taking soil and rock samples at various depths. These samples are then analyzed in a laboratory to determine their physical and engineering properties, such as density, strength, permeability, and compressibility.
In addition to soil and rock testing, geotechnical investigations may also involve assessing groundwater conditions, seismic risk, and other relevant factors.
The findings of a geotechnical investigation are used to design foundations, earthworks, and other structural elements of construction projects. They help engineers make informed decisions about the type of foundation that will best support a structure, how to mitigate potential geotechnical hazards, and how to ensure the stability and safety of the built environment.
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