Verifications About the Seismic-Deformation-Method of Tunnel Cross-Sections by Precice Comparisons With the Fem Dynamic Analysis

Key Points

• This research aims to deepen understanding of the response displacement method for tunnel seismic analysis.
• Conducted precise comparisons between the response displacement method and FEM dynamic analysis.
• Discussed modeling techniques for tunnels and the significance of inertia forces.
• Examined the effects of neglecting damping and the implications of ground spring interactions.
• Confirmed the validity of the response displacement method's foundational principles.
• Clarified the relationships between earthquake loads considered in the method.
• Identified the actual role of ground springs and factors causing computational errors in FEM analysis.