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Opis: The influence of the stress state on the deformation response of a rock mass has been experimentally examined on uniaxial, bi-axial and three-axial specimens of marl at short loading and in creep tests for periods of 3 to 180 days. The lateral (horizontal) pressure significantly changes the deformation behaviour of both the initial deformations induced by the stress change and creep deformations. The influence of lateral pressure on the vertical deformation can be well approximated by a linear function.
Ključne besede: creep, soft rock, marl, rheological model, lateral stress, laboratory testing
Objavljeno v DKUM: 06.06.2018; Ogledov: 706; Prenosov: 54
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