Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Shaking table test of a multi-story subway station under pulse-like ground motions
Abstract A series of shaking table tests were conducted to investigate the effect of pulse-like ground motion on a multi-story subway station. Dynamic response data, including internal forces, column drift, and settlement and deformation of the soil were obtained and analyzed. Results show that the pulse-like ground motion increases dynamic responses of the subway station and surrounding soils mainly owing to its inherent rich low-frequency component and high energy. In terms of the structure, central columns, especially central columns on a floor with large story height, are vulnerable components of a multi-story subway station. Both the dynamic earth pressure and the deformation mode of the side wall were analyzed.
Highlights Shaking table tests were conducted on a four-story subway structure. Effects of pulse-like motions on seismic responses of underground structures were discussed. Rich low-frequency components of pulse-like motions result in severe responses. Lateral displacements of the side wall manifest as racking deformation. Central columns are vulnerable structures subjected to pulse-like ground motion.
Shaking table test of a multi-story subway station under pulse-like ground motions
Abstract A series of shaking table tests were conducted to investigate the effect of pulse-like ground motion on a multi-story subway station. Dynamic response data, including internal forces, column drift, and settlement and deformation of the soil were obtained and analyzed. Results show that the pulse-like ground motion increases dynamic responses of the subway station and surrounding soils mainly owing to its inherent rich low-frequency component and high energy. In terms of the structure, central columns, especially central columns on a floor with large story height, are vulnerable components of a multi-story subway station. Both the dynamic earth pressure and the deformation mode of the side wall were analyzed.
Highlights Shaking table tests were conducted on a four-story subway structure. Effects of pulse-like motions on seismic responses of underground structures were discussed. Rich low-frequency components of pulse-like motions result in severe responses. Lateral displacements of the side wall manifest as racking deformation. Central columns are vulnerable structures subjected to pulse-like ground motion.
Shaking table test of a multi-story subway station under pulse-like ground motions
Chen, Zhiyi (Autor:in) / Chen, Wei (Autor:in) / Li, Yueyang (Autor:in) / Yuan, Yong (Autor:in)
Soil Dynamics and Earthquake Engineering ; 82 ; 111-122
07.12.2015
12 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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