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Soil-structure Interaction in Shield Tunnelling in Soft Soil by S. Bernat; B. Cambou is a Engineering article available to read on EtoBox.
What is Soil-structure Interaction in Shield Tunnelling in Soft Soil about?
The development and extension of large cities creates a need for multiple shallow tunnels in the soft ground of building areas. Prediction of the ground settlement caused by the tunnel excavation is a major engineering challenge. A numerical simulation using a ®nite element method was implemented in the aim of developing a procedure to predict the movement induced by shield tunnelling in soft soil. This study describes a two-dimensional modelling and compares two procedures. The ®rst procedure is done in a simple way (called ``decon®nement modelling'') simulating the excavation using a stress decrease vector exerted on the excavation boundary (inside the tunnel) described by a stress release scalar parameter l (named the ``decon®nement factor''). The second procedure is composed of a complete stage of modelling (called ``phase modelling'') taking into account dierent phases which simulate the dierent kinds of interactions between the tunnel and the soil (decon®nement, lining installation, pore pressure applied on the lining, and weight of the lining). Using a shallow lined tunnel with homogeneous soil conditions, the two procedures are analysed and compared. Then, the second modell
Who reads Soil-structure Interaction in Shield Tunnelling in Soft Soil?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- S. Bernat; B. Cambou
- Publisher
- Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0266-352X)
- Published
- 1998
- Language
- EN
- Field
- Engineering (Physical Sciences)