3D simulation of tunnel excavation in soft soil

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Journal of Science, Technology and Engineering Research
Volume:4 Issue:1
3D simulation of tunnel excavation in soft soil

3D simulation of tunnel excavation in soft soil

Pages : 67-77

View : 33 | Download : 57

Publication Date : 2023-06-21

Article Type : Research Paper

Abstract :In this study, an analysis of the deformations and the stability of tunnel face in soft soil using several calculation procedures aimed at making confrontations are presented. Our purposes to approach three-dimensional modelling in tunnelling by a series of 2D computations using three procedures: The Lost Volume method insert ignore into journalissuearticles values(LVM);, the Convergence Confinement method insert ignore into journalissuearticles values(CCM); and the face pressure method insert ignore into journalissuearticles values(Pf);. A series of numerical studies was carried out to estimate the settlements, longitudinal and horizontal displacements. Analytical and empirical approaches have also been used to make comparisons. The results showed the interest of such analysis. The comparison of the numerical results to those calculated with different methods shows good agreement.
Keywords : Kalkan tünelleme, Sonlu elemanlar yöntemi, 3D simülasyon, yer değiştirme, yüzey kararlılığı analizi

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