Liner-Medium Interaction in Tunnels

by Bijan Mohraz, (M.ASCE), Assoc. Prof. of Civ. Engrg.; Southern Methodist Univ., Dallas, Texas,
Mohammad H. Salem, (A.M.ASCE), Engr.; Skidmore, Owings and Merrill, Chicago, Ill.,
Randall E. Ranken, Research Asst.; Dept. of Civ. Engrg., Univ. of Illinois at Urbana-Champaign, Urbana, Ill.,
Alfred J. Hendron, Jr., (M.ASCE), Prof. of Civ. Engrg.; Univ. of Illinois at Urbana-Champaign, Urbana, Ill.,

Serial Information: Journal of the Construction Division, 1975, Vol. 101, Issue 1, Pg. 127-141

Document Type: Journal Paper


Results from a number of elastic finite element solutions for determination of forces and deformations in tunnel liners are presented. The effect on forces and deformations in the liner of the properties of the medium, loading conditions, and the extension of the tunnel longitudinally are examined. Several loadings were assumed in the solutions. The results indicate that small absolute values of the coefficients of moment, shear, and deflection are obtained irrespective of the loading condition assumed.

Subject Headings: Load factors | Tunnels | Linings | Elastic analysis | Finite element method | Longitudinal loads | Moment (mechanics) | Displacement (mechanics)

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