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Ideal stress state in roof and sides of tunnel excavated in homogeneous rock is examined, and formulas are given for radial and tangential stresses at boundary; effect of rock stratification and shape of tunnel cross section on stress distribution in tunnel wall and timbering is investigated; formulas are derived for tunnel roof displacement and elastic deformation of supports, as well as for required thickness of tunnel arch for given rock pressure.
Ideal stress state in roof and sides of tunnel excavated in homogeneous rock is examined, and formulas are given for radial and tangential stresses at boundary; effect of rock stratification and shape of tunnel cross section on stress distribution in tunnel wall and timbering is investigated; formulas are derived for tunnel roof displacement and elastic deformation of supports, as well as for required thickness of tunnel arch for given rock pressure.
Rock mechanics in tunnel construction
Felsmechanik im Tunnelbau
Jaecklin, F.P. (author)
1965
5 pages
Article (Journal)
English
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