Journal of Applied Engineering Science & Technology
Volume 1, Numéro 1, Pages 23-29
2014-06-28
Numerical Modeling Of The Face Reinforcement Of Djebel El-kantour Tunnel Face (highway East-west)
Auteurs : Messast Salah . Hazem Mustapha . Bousbia Nawel . Mokhbi Hichem .
Résumé
The extension of communication ways (roads, highways, railways) often involves difficult crossings that usually lead to the construction of important structures such as tunnels. Similarly congestion on ground surface in cities necessitates the construction of underground structures (roads and metros). Terrain stability during construction especially in the coalface is one of the major problems related to the construction of these structures. This paper presents numerical modeling of the mechanical behavior of the rock face of the DJebel El-Kantour tunnel (East West Highway) reinforced by fits. In order to minimize on maximum the cost of numerical simulations, the reliability of three methods of homogenization of reinforced soil (improving cohesion, improving the cohesion and angle of friction and ultimately improve the Young's modulus) is tested by comparing the results of numerical simulations to the displacements measured insitu.
Mots clés
Reinforcement; Soil; Homogenization; Tunnel; Displacement
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