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Holistic Review of Soil-Structure Interaction Effects on Seismic Vulnerability of Bridges
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DOI：10.1080/10168664.2026.2628753.png)
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Abstract
En 中文
Bridges are an important part of the transportation network for moving people and goods quickly and safely. In areas prone to seismic activity, one of the most concerning aspects of bridge structures is how well they will perform during strong seismic activity. When a bridge structure rests on the ground with some degree of deformation, the interaction of the soil with the structural system is called soil-structure interaction (SSI). The purpose of the study is to present a comprehensive literature review of SSI and how it affects the seismic capacity of bridge systems. Through the combination of numerous studies examining the dynamic interplay between bridge substructure and surrounding soils during seismic events, the study illustrates the prevalence of nonlinear SSI behavior in overall bridge performance. In addition to evaluating analytical, numerical and experimental methods for quantifying SSI effects, the research investigates interaction between the foundation and soil in integral and conventional abutment bridges. The results indicate that nonlinear SSI behavior and flexibility of substructure can considerably impact displacement and force demands and may result in inaccurate prediction of bridge demand through simplified models. The review identifies areas for further investigation to advance development of more resilient bridge systems.
Keywords:
seismic performance of bridges
seismic SSI analysis
dynamic response of bridges
structure-soil-structure interaction (SSSI)
SSI due to seismic loading
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