Abstract
The pressure in the pore water in a fully saturated soil is hydrostatic, i.e. uH = uV = u so there is only one value. The pressure within the mineral grain structure (effective stress) is not the same in all directions. The vertical effective stress in a soil can be obtained from simple considerations of depth multiplied by the bulk or submerged unit weight and is treated as a principal stress, σV′. For the design of vertical walls the horizontal stress acting σH′ is required and a coefficient of earth pressure, K is used to relate the two stresses:
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© 1995 G. E. Barnes
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Barnes, G.E. (1995). Lateral Earth Pressure and Design of Retaining Structures. In: Soil Mechanics. Palgrave, London. https://doi.org/10.1007/978-1-349-13258-4_11
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DOI: https://doi.org/10.1007/978-1-349-13258-4_11
Publisher Name: Palgrave, London
Print ISBN: 978-0-333-59654-8
Online ISBN: 978-1-349-13258-4
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