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On distribution of stresses around circular tunnels in nonhomogeneous rocks
Effect of constructing tunnels in layered rocks as opposed to homogeneous rocks; results represent solutions to plane strain boundary value problems using finite element analysis; when circular tunnel is excavated along vertical contact between two rock types with different elastic moduli, stresses are found to increases in harder material while softer rock is relatively destressed; results show changes in stress distribution as tunnel is constructed at varying distances from contact between rock types; effect of differing orientations of bedding and assumptions of initial rock stress have also been explored.
On distribution of stresses around circular tunnels in nonhomogeneous rocks
Effect of constructing tunnels in layered rocks as opposed to homogeneous rocks; results represent solutions to plane strain boundary value problems using finite element analysis; when circular tunnel is excavated along vertical contact between two rock types with different elastic moduli, stresses are found to increases in harder material while softer rock is relatively destressed; results show changes in stress distribution as tunnel is constructed at varying distances from contact between rock types; effect of differing orientations of bedding and assumptions of initial rock stress have also been explored.
On distribution of stresses around circular tunnels in nonhomogeneous rocks
Int Soc Rock Mechanics
Goodman, R.E. (author)
Proceedings of the 1st Congress of International Society for Rock Mechanics ; 1966 ; Portugal , Lisbon
1966
7 pages
Conference paper
English
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