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Relation between the stability coefficient and the face supporting according to [12].

Relation between the stability coefficient and the face supporting according to [12].

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Tunneling is considered to be among the most important projects in all countries worldwide. However, interspersed, some tunnels rise to problems of instability during excavation. This chapter is a case study of the tunnel of “Djebel El Kantour” which is part of the East–West Algerian Highway. Face stability is the most critical problems that affect...

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Context 1
... u: Shearing resistance (Figure 4). The Figure 5 gives an indication of the relation between the amount of real stability and awaited deformations. ...