Influence of Tilted Bolts on Flexural Behavior of Circumferential Joints in a Large-Diameter Tunnel

This paper presents a finite element method (FEM) analysis of the flexural behavior of the circumferential joints in a large-diameter tunnel. The bending rigidity of these joints is calculated and compared based on the linear or nonlinear material properties of the connecting bolts. The results indi...

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Veröffentlicht in:Soil mechanics and foundation engineering 2023-05, Vol.60 (2), p.113-118
Hauptverfasser: Zhang, Y. C., Zhang, M. X., Wu, H. M., Xiao, X. C., Javadi, A. A.
Format: Artikel
Sprache:eng
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Zusammenfassung:This paper presents a finite element method (FEM) analysis of the flexural behavior of the circumferential joints in a large-diameter tunnel. The bending rigidity of these joints is calculated and compared based on the linear or nonlinear material properties of the connecting bolts. The results indicate that the nonlinear material properties of the bolts play a major role in determining the flexural rigidity of the joints. This flexural rigidity is also dependent on the tilt angle and the strength grade of the connecting bolts. The results presented in this paper may serve as guide for the design of similar tunnels.
ISSN:0038-0741
1573-9279
DOI:10.1007/s11204-023-09871-6