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Seismic performance of a bridge column integrated by multiple steel pipes with directly-connected piles

A bridge column integrated by multiple steel pipes and connected directly to piles with or without a footing is proposed to design a rational foundation of the column. Its seismic performance is evaluated based on the large-scale shaking tests and a soil-water coupled FE analysis.

A bridge column integrated by multiple steel pipes and connected directly to piles without a footing
A bridge column integrated by multiple steel pipes and connected directly to piles without a footing

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Cyclic triaxial test apparatus
Cyclic triaxial test apparatus

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Large-scale shaking model test apparatus
Large-scale shaking model test apparatus

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Soil-water coupling elasto-plastic FE analysis
Soil-water coupling elasto-plastic FE analysis

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