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Variation of Shear Modulus of a Clay with Pressure and Overconsolidation Ratio
Although clays rarely, if ever, exhibit fully recoverable behavior, they do show a substantially elastic response for a certain range of stress paths. If the clays are approximately isotropic then it is convenient to express the elastic properties in terms of the bulk and shear moduli. Many engineering calculations require values of these moduli, especially the shear modulus, which can be difficult to measure directly. It is therefore useful to establish correlations between the shear modulus and other quantities, for instance the mean effective stress, overconsolidation ratio and undrained shear strength. It is the purpose of this note to examine how the shear modulus of a clay varies with pressure and overconsolidation ratio, and hence also deduce a relationship with the undrained shear strength.
Variation of Shear Modulus of a Clay with Pressure and Overconsolidation Ratio
Although clays rarely, if ever, exhibit fully recoverable behavior, they do show a substantially elastic response for a certain range of stress paths. If the clays are approximately isotropic then it is convenient to express the elastic properties in terms of the bulk and shear moduli. Many engineering calculations require values of these moduli, especially the shear modulus, which can be difficult to measure directly. It is therefore useful to establish correlations between the shear modulus and other quantities, for instance the mean effective stress, overconsolidation ratio and undrained shear strength. It is the purpose of this note to examine how the shear modulus of a clay varies with pressure and overconsolidation ratio, and hence also deduce a relationship with the undrained shear strength.
Variation of Shear Modulus of a Clay with Pressure and Overconsolidation Ratio
G. T. Houlsby (author) / C. P. Wroth (author)
1985
21 pages
Report
No indication
English
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