Deep Foundations Deep foundations are used for structures when shallow foundations cannot provide adequate capacity due to size and structural limitations. Deep foundations rely on end bearing resistance, frictional resistance along their length or both. They include piles, drilled shafts, caissons, piers and earth stabilized columns. Retaining Walls – Support of Excavations A retaining wall […]
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Geotechnical surveys (or investigations) are performed for obtaining information on the physical properties of soil and rock around a site. This information is needed for design earthworks, foundations for proposed structures and distress repairs caused by subsurface conditions. Furthermore, the aim of investigations will be the measurement of thermal resistivity of soils or backfills for
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A geological survey is the systematic investigation of the geology beneath a given piece of ground for the purpose of creating a geological map or model. Geological surveying employs techniques from the traditional walk-over survey, studying outcrops and landforms, to intrusive methods, such as hand augering and machine-driven boreholes, to the use of geophysical techniques
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