Improved analytical solution for ground movements induced by circular tunnel excavation based on ground loss correction

Binbin Zhu,Peng Zhang,Mingfeng Lei,Lichuan Wang,Lun Gong,Chenjie Gong,Fudong Chen

Tunnelling and Underground Space Technology（2023）

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摘要

•Derivation of the displacement boundary function considering the lining-soil interaction.•Correction of ground loss considering vertical movement and geological conditions.•Quantification of the effects of radial contraction, vertical translation and lining deformation on ground movements.

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关键词

Circular tunnel excavation,Displacement convergence boundary,Ground volume loss,Nonuniform tunnel deformation,Analytical solution

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