A practical Equivalent Linear Spring–Damper model for nonlinear soil–structure interaction under seismic loading

2026-08-25

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DOI：10.1016/j.soildyn.2026.110647

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摘要

En 中文

非迭代等效线性模型用于非线性土-结构相互作用。包含SSI中的刚度退化和阻尼增加。基于地震荷载下3D有限元模拟的校准。以良好精度捕捉关键非线性SSI响应趋势。适用于软土和浅基础的实用框架。

Keyword:

SSI

Nonlinear seismic response

Structural engineering

Nonlinear soil

Soil stiffness degradation

Equivalent linear SSI

Seismic response analysis

ELSD