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Abstract of the Article

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Analysis of stability with making use of the accuracy equipments in TEHRAN highway

Authors:
[ ALI DADASH ZADEH SAYAR ] - foundation and soil MS
[ ALI FARHADI ] - professor assistant of Ttarbiyat Moalem university in Tehran
[ ISA SHOOSH PASHA ] - professor assistance of MAZANDARAN university

Abstract:

Monitoring in the first and after construction the project are used for controlling the stability of structures and finding internal parameter of geology and geo mechanical that in analysis it must be done in the condition hat the distance of the zone be less. This paper survey the TANOL tunnel in the Tehran-north highway between 2 west and east tunnel. Because of special geometry of the space and kink of the zone and loose the rock mass of the around of the tunnel it need to erect the accuracy instrumentation in the tunnel. This paper first survey the information of instrumentation in tunnel and then done back analysis with using the analysis program of FLAC software for finding the geo mechanical parameter and horizontal strains. In the end they use SAKOORAYI model for stability analysis of tunnel. Results of this researching show un stability of rock mass around the tunnel and say that they are in accuracy station NPI8, NPI9, NPI10.

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