2022
DOI: 10.1155/2022/2363291
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Elastic Stress and Plastic Zone Distributions around a Deeply Buried Tunnel under the Nonhydrostatic Pressure

Abstract: The elastic stress and the plastic zone are the important mechanical parameters to determine the tunnel support design. Based on Muskhelishvili’s complex variable function, the analytical solution for the elastic stress around a deeply buried noncircular tunnel under the nonhydrostatic pressure is firstly derived. The shape and size of the plastic zone of the surrounding rock mass are then determined by substituting the elastic stresses into the Drucker-Prager yield criterion. Finally, taking a horseshoe-shape… Show more

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Cited by 2 publications
(1 citation statement)
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“…Exadaktylos and Stavropoulou [3], Exadaktylos et al [4], and Guan et al [5] obtained analytical solutions for stress and displacement of rock mass around unlined tunnels with diferent cross sections. Based on the analytical stress and displacement distribution, Xu et al [6], Ma et al [7][8][9], and Liu et al [10,11] studied plastic zones around tunnels with circular, elliptical, and horseshoe-shaped cross sections, respectively; Wu et al [12] clarifed failure mechanism of horseshoe-shaped tunnel; Liu et al [13] studied viscoelastic displacements of a noncircular tunnel by using the elasticviscoelastic correspondence principle.…”
Section: Introductionmentioning
confidence: 99%
“…Exadaktylos and Stavropoulou [3], Exadaktylos et al [4], and Guan et al [5] obtained analytical solutions for stress and displacement of rock mass around unlined tunnels with diferent cross sections. Based on the analytical stress and displacement distribution, Xu et al [6], Ma et al [7][8][9], and Liu et al [10,11] studied plastic zones around tunnels with circular, elliptical, and horseshoe-shaped cross sections, respectively; Wu et al [12] clarifed failure mechanism of horseshoe-shaped tunnel; Liu et al [13] studied viscoelastic displacements of a noncircular tunnel by using the elasticviscoelastic correspondence principle.…”
Section: Introductionmentioning
confidence: 99%