= Pore water pressure
{wiki=Pore_water_pressure}
Pore water pressure is the pressure exerted by water within the pores of a soil or rock formation. It is a critical concept in geotechnical engineering and hydrogeology, as it influences the effective stress, stability, and strength of soil and rock structures. The concept of pore water pressure can be understood in the context of the effective stress principle, which states that the effective stress in a soil is equal to the total stress minus the pore water pressure.
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