confining pressure


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Related to confining pressure: Pore pressure

confining pressure

[kən′fīn·iŋ ‚presh·ər]
(geology)
An equal, all-sided pressure, such as lithostatic pressure produced by overlying rocks in the crust of the earth.
References in periodicals archive ?
The maximum axial force used was 1500 KN, the highest confining pressure applied was 80 MPa, the highest frequency was 10 Hz, and the highest amplitude was 0.
Further, shear strain ([gamma]), effective confining pressure ([[sigma]'.
An increased consolidation confining pressure has been demonstrated to improve the ability of geomaterials to resist external dynamic loading, in concurrence with reduced dynamic strain (Lin et al.
3] is the confining pressure corresponding a compression stress (thus, insert as negative value).
For the triaxial compressive test, four confining pressures were applied, and the confining pressure [[sigma].
where Pa is the standard atmospheric pressure, k is modulus number, n is exponent for defining the influence of the confining pressure on the initial modulus, [c.
Where K is correction for confining pressure and K is correction for initial static shear stress MSF is magnitude scaling factor (for earthquakes other than 7.
Therefore, the confinement stress used in predicting the maximum axial stress should be replaced by an effective confining pressure.
Yield strength of transverse steel measures the upper limit of the confining pressure applied to the concrete of column core.
The critical condition for rocks containing fewer clay minerals is when moisture content increases up to 1%, where a sudden strength loss occurs due to suction, acting as a confining pressure, suddenly disappears in this critical condition.
9), water pore-pressure increased regularly and reached the value of the initial effective confining pressure (100 kPa) after 7 cycles at an axial deformation of 2%.