Seismic Refraction Analysis
Seismic Refraction Analysis :
A method of studying the subsoil based on artificial generation of seismic waves - e.g. sledge hammer, explosions - and measurement of the arrival times of the waves at a series of receptors (geophones) positioned in a line. The waves used are those subject to refraction phenomena along the surface of passage between means that increase in density with depth. This kind of analysis is very useful for defining the thickness of "soft" surface soils
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