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Physical modeling of tunnel induced displacement in sandy grounds.
- Source :
-
Tunneling & Underground Space Technology . Aug2019, Vol. 90, p19-27. 9p. - Publication Year :
- 2019
-
Abstract
- Evaluation of ground behavior due to tunneling is a key factor in designing and construction of tunnels, especially in soft grounds. In this study, a physical model setup has been designed and constructed to simulate the excavation procedure of a full-face circular tunnel. Silica sand was used with four different densities and three different cover to tunnel diameter ratios. Full-face excavation was simulated with variation of the tunneling-induced volume loss. Particle Image Velocimetry (PIV) technique was employed to monitor the ground deformation throughout the excavation process. A new empirical equation is introduced to predict the maximum ground settlement as a function of ground relative density. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 08867798
- Volume :
- 90
- Database :
- Academic Search Index
- Journal :
- Tunneling & Underground Space Technology
- Publication Type :
- Academic Journal
- Accession number :
- 136729972
- Full Text :
- https://doi.org/10.1016/j.tust.2019.04.022