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Abstract: In this paper construction of urban traffic tunnel in disturbed soil stratum based on New Austrian Tunneling Method (NATM) has been investigated. As a case study, Modares tunnel which is a part of Arash-Esfandiar-Niyayesh Project has been considered. This tunnel has been designed to connect and reduce the traffic volume between Modares highway and Niyayesh Highway in north of Tehran-Iran. The...
Abstract: Under passing tunnels are strongly influenced by the soil around. There are some complexities in specification of real soil behaviour, owning the fact that lots of uncertainties exist in soil properties and additionally inappropriate soil constitutive model. Such mentioned factors may cause incompatible settlements in numerical analysis with the obtained values in actual construction. This...