Hybrid Simulation of Soil Station System Response to Two-Dimensional Earthquake Excitation

Cheng-Yu Yang, Xue-Song Cai, Yong Yuan and Yuan-Chi Ma
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Cheng-Yu Yang: State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China
Xue-Song Cai: Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China
Yong Yuan: State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China
Yuan-Chi Ma: Department of Bridge Engineering, Tongji University, Shanghai 200092, China

Sustainability, 2019, vol. 11, issue 9, 1-15

Abstract: Soil station system seismic issues have been highly valued in recent years. In order to investigate the dynamic seismic behaviors of the intermediate column in soil station systems, a hybrid test of a soil station system was conducted. The soil station model was performed with OpenSees. Virtual hybrid simulation was fulfilled with adapter elements. A hybrid model, composed of the steel column specimen and the remainder numerical model, was assembled using the OpenFresco framework. An intermediate column was treated as the physical substructure, while the rest of the soil station system was treated as the numerical substructure in a hybrid simulation. The hybrid test results are compared with the analytical results. The data obtained from such tests show that the system can accurately reflect the mechanical properties of intermediate columns in soil station systems. A hybrid simulation would be a proper way to assess the seismic performance of a soil station system.

Keywords: hybrid simulation; intermediate column; subway station; OpenFresco; OpenSees (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2019
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