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STABILITY ANALYSIS AND SUPPORT SYSTEM DESIGN OF JAJARM GOLBINI MINE TUNNEL NO 3

M. Ataei, F. Sereshki, A. Salemi, A. Ghasempour

First published: 2008DOI pendingView metrics

Abstract

For opening of blocks No. 7 \& 8 of Golbini mine in Bauxite Jajarm region (Northern- Khorasan province, Iran) a tunnel is excavated with horse shoes shape with 800 m length. In this paper firstly, the tunnel section was modeled by FLAC2D software and secondly the stability analysis were studied. Then a composition of shotcrete and steel frame was offered. To reach an appropriate safety factor the shotcrete with 20 cm thickness which utilized with steel bars IPE-140, IPE-160 and IPE-180 established and amounts of safety factors were determined 1.34, 1.64 and 1.75 respectively.

Publication details

Title
STABILITY ANALYSIS AND SUPPORT SYSTEM DESIGN OF JAJARM GOLBINI MINE TUNNEL NO 3
Authors
M. Ataei, F. Sereshki, A. Salemi, A. Ghasempour
Proceedings
8th International Scientific Conference - SGEM2008
Publisher
SGEM Scientific GeoConference
Year
2008
Pages
517-524
ISSN
1314-2704
ISBN
954-918181-2
Language
en
Publication type
Conference Paper
Keywords
Convergence-ConfinementGround Reaction CurveHydrogeology. Engineering Geology and GeotechnicsSafety FactorSteel FrameTunnel Stability AnalysisHydrogeologyEngineering Geology and Geotechnics
References6

  1. Itook consulting engineering Co. 2005, Technical and implementation study and geological report of Golbini mine of Jajarm Tunnel No.3, Iran Alumina Co.

  2. Ghorbanbeigi, S. 2002, analysis of tunnels using convergence-confinement method, electricity and water industry collage Press.

  3. Behnia, A. Behnia, K., 1993, underground structures: design-implementationsupport; Tehran University Press

  4. Tahooni,S., steel structers design base on Iranian Standards, Elmo-Adab Press.

  5. Carranza-Torres, C. and Fairhurst, C, 2000, Application of ConvergenceConfinement Method of Tunnel Design to Rock Masses That Satisfy the HockBrown Failure Criterion, Tunneling and Underground Space Technology, Vol. 15, No. 2, pp. 187-213

  6. Sakurai, S., 1993, Direct Strain Evaluation Technology in Construction of Underground Opening, in Proc 22 US Symp. Code Commentary 2002

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