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This study examines the nonlinear response of load-bearing masonry walls to tunnelling-induced ground movements using the Two-Stage Analysis Method (TSAM). The research evaluates the effects of soil-structure interaction, greenfield inputs, and soil-structure stiffness ratios on structural behaviour. Comparative analyses between elastic and elastoplastic models (incorporating modified concrete damaged plasticity) demonstrate that the elastic approach underestimates structural displacements, shear response, and damage levels. Results indicate that considering horizontal ground movements lead to a decrease in vertical displacements of buildings and a increase of building damage level.

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A Numerical Study for Load-Bearing Wall Response to Tunnelling

  • 会议论文

  • 发表日期：

    2026年

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  • Yalin Yu,
  • Feng Chen,
  • Shenghui Zhou,
  • Jiahao Chen

摘要

This study examines the nonlinear response of load-bearing masonry walls to tunnelling-induced ground movements using the Two-Stage Analysis Method (TSAM). The research evaluates the effects of soil-structure interaction, greenfield inputs, and soil-structure stiffness ratios on structural behaviour. Comparative analyses between elastic and elastoplastic models (incorporating modified concrete damaged plasticity) demonstrate that the elastic approach underestimates structural displacements, shear response, and damage levels. Results indicate that considering horizontal ground movements lead to a decrease in vertical displacements of buildings and a increase of building damage level.