2021
DOI: 10.1002/nag.3264
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Spherical cavity expansion in porous rock considering plasticity and damage

Abstract: In rock engineering, damage evolution upon loading imposes significant impacts on the stiffness of rock mass and its deformation characteristics. In order to investigate the influence of both damage and plasticity on cavity expansion, a plastic damage solution is derived for undrained spherical cavity expansion in rock medium. For the consideration of plasticity‐damage, Modified Cam‐Clay (MCC) model is selected as the plasticity driver, a damage evolution criterion is adopted and coupled with MCC. The coupled … Show more

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Cited by 13 publications
(6 citation statements)
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“…To investigate the influence of both damage and plasticity on cavity expansion in rock medium, a plastic damage solution is derived for undrained spherical cavity expansion using a modified Cam-Clay (MCC) model as the plasticity driver and a damage evolution criterion. The proposed solution is verified through a classic solution in literature, and the role of damage in undrained spherical cavity expansion is investigated [47].…”
Section: Introductionmentioning
confidence: 90%
“…To investigate the influence of both damage and plasticity on cavity expansion in rock medium, a plastic damage solution is derived for undrained spherical cavity expansion using a modified Cam-Clay (MCC) model as the plasticity driver and a damage evolution criterion. The proposed solution is verified through a classic solution in literature, and the role of damage in undrained spherical cavity expansion is investigated [47].…”
Section: Introductionmentioning
confidence: 90%
“…Jiao et al analyzed the failure mechanism and stability efect of segment lining through feld monitoring, numerical simulation, and the numerical analysis method of rock and soil mechanics. In rock engineering, the damage evolution under load has an important infuence on the stifness and deformation characteristics of rock mass [22,23]. Jiao et alimproved the traditional U-shaped steel structures and improved the supporting efect of U-shaped steel supports in loose thick coal seams [21].…”
Section: Introductionmentioning
confidence: 99%
“…A large number of scholars have carried out research work on theoretical aspects of rock masses and numerical simulations [2][3][4][5][6][7]. Te inversion method using a combination of actual measurements and numerical calculations is one of the efective methods to obtain the mechanical parameters of the surrounding rocks.…”
Section: Introductionmentioning
confidence: 99%