INVESTIGATION OF GEOMECHANICAL PARAMETERS OF ROCK MASSES AROUND THE DAROONGAR DIVERSION TUNNEL

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GHAFOURI M.; SADEGHI H.; LASHKARIPOUR GH.; TARIGH AZALI S.

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Seminar Paper

Paper Information

Seminar: PROCEEDING OF IRANIAN MINING ENGINEERING CONFERENCE
Year:2005 | Issue:1

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Title

INVESTIGATION OF GEOMECHANICAL PARAMETERS OF ROCK MASSES AROUND THE DAROONGAR DIVERSION TUNNEL

Author(s)

GHAFOURI M. | SADEGHI H. | LASHKARIPOUR GH. | TARIGH AZALI S.

Keywords

GEOMECHANICAL PARAMETERS

DIVERSION TUNNEL

DISTINCT ELEMENT

UDEC

Abstract

This paper presents the investigation of GEOMECHANICAL PARAMETERS of rock masses around the Daroongar DIVERSION TUNNEL. The preliminary support design of this tunnel was analyzed by empirical and numerical methods. The rock mass rating (RMR), geological strength index (GSI) and rock mass quality (Q) systems were used at different sections of the tunnel route for estimation of quality of rock masses properties. Also DISTINCT ELEMENT method (UDEC program) was used for stability analysis of the tunnel. Samples obtained from drilling were tested in the laboratory, including uniaxial compression strength (UCS), deformation parameters, unit weight and porosity. In order to estimate strength parameters of rock mass (compressive strength, tensile strength, deformation modulus and Hoek-Brown constants) Hoek-Brown failure criterion was used. According these results the sections C and B of the tunnel route have lowest and highest values of the rock mass strength parameters, respectively.

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APA: Copy

GHAFOURI, M., SADEGHI, H., LASHKARIPOUR, GH., & TARIGH AZALI, S.. (2005). INVESTIGATION OF GEOMECHANICAL PARAMETERS OF ROCK MASSES AROUND THE DAROONGAR DIVERSION TUNNEL. PROCEEDING OF IRANIAN MINING ENGINEERING CONFERENC. SID. https://sid.ir/paper/902615/en

Vancouver: Copy

GHAFOURI M., SADEGHI H., LASHKARIPOUR GH., TARIGH AZALI S.. INVESTIGATION OF GEOMECHANICAL PARAMETERS OF ROCK MASSES AROUND THE DAROONGAR DIVERSION TUNNEL. 2005. Available from: https://sid.ir/paper/902615/en

IEEE: Copy

M. GHAFOURI, H. SADEGHI, GH. LASHKARIPOUR, and S. TARIGH AZALI, “INVESTIGATION OF GEOMECHANICAL PARAMETERS OF ROCK MASSES AROUND THE DAROONGAR DIVERSION TUNNEL,” presented at the PROCEEDING OF IRANIAN MINING ENGINEERING CONFERENC. 2005, [Online]. Available: https://sid.ir/paper/902615/en

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