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A platform for research: civil engineering, architecture and urbanism
Stresses in the Linings of Shield-Driven Tunnels
A rational method for determining the amounts and distribution of the soil reactions (passive pressures) developed around a shield-driven tunnel lining is presented in this paper. Considering the lining supported by a hypothetical diaphragm, the thrust, shear, and moment produced at the support are first determined. From the values obtained, formulas are next derived, and tables prepared, permitting the deflections produced at various points of the lining under the combined influence of active loads and soil reactions to be expressed as simple product sums. However, the deflections may also be expressed in a different way, as functions of the soil reactions and the settlement. By equating the two sets of expressions a number of simultaneous equations are obtained from which the soil reactions are determined.
Stresses in the Linings of Shield-Driven Tunnels
A rational method for determining the amounts and distribution of the soil reactions (passive pressures) developed around a shield-driven tunnel lining is presented in this paper. Considering the lining supported by a hypothetical diaphragm, the thrust, shear, and moment produced at the support are first determined. From the values obtained, formulas are next derived, and tables prepared, permitting the deflections produced at various points of the lining under the combined influence of active loads and soil reactions to be expressed as simple product sums. However, the deflections may also be expressed in a different way, as functions of the soil reactions and the settlement. By equating the two sets of expressions a number of simultaneous equations are obtained from which the soil reactions are determined.
Stresses in the Linings of Shield-Driven Tunnels
Bull, Anders (author)
Transactions of the American Society of Civil Engineers ; 111 ; 443-474
2021-01-01
321946-01-01 pages
Article (Journal)
Electronic Resource
Unknown
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