Investigation on the Influence of Ground Motion Duration on the Seismic Response of Self-Centering Prestressed Concrete Frames

SUN Xiaoyun; ZENG Bin; XU Qing; HUANG Linjie; WEI Yang; ZHOU Zhen; XIE Qin; ZHENG Kaiqi

doi:10.13204/j.gyjzG22083020

Volume 53 Issue 3

Mar. 2023

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2023 > 53(3): 35-40

SUN Xiaoyun, ZENG Bin, XU Qing, HUANG Linjie, WEI Yang, ZHOU Zhen, XIE Qin, ZHENG Kaiqi. Investigation on the Influence of Ground Motion Duration on the Seismic Response of Self-Centering Prestressed Concrete Frames[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(3): 35-40. doi: 10.13204/j.gyjzG22083020

Citation:

SUN Xiaoyun, ZENG Bin, XU Qing, HUANG Linjie, WEI Yang, ZHOU Zhen, XIE Qin, ZHENG Kaiqi. Investigation on the Influence of Ground Motion Duration on the Seismic Response of Self-Centering Prestressed Concrete Frames[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(3): 35-40. doi: 10.13204/j.gyjzG22083020

Citation:

SUN Xiaoyun, ZENG Bin, XU Qing, HUANG Linjie, WEI Yang, ZHOU Zhen, XIE Qin, ZHENG Kaiqi. Investigation on the Influence of Ground Motion Duration on the Seismic Response of Self-Centering Prestressed Concrete Frames[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(3): 35-40. doi: 10.13204/j.gyjzG22083020

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Investigation on the Influence of Ground Motion Duration on the Seismic Response of Self-Centering Prestressed Concrete Frames

doi: 10.13204/j.gyjzG22083020

1. Nanjing Vocational Institute of Transport Technology, Nanjing 211188, China;
2. Central Research Institute of Building and Construction, MCC Group, Beijing 100088, China;
3. College of Civil Engineering, Nanjing Forestry University, Nanjing 210037, China;
4. Key Laboratory of Concrete and Prestressed Concrete Structures of the Ministry of Education, Southeast University, Nanjing 210096, China;
5. School of Civil Engineering, Guizhou Institute of Technology, Guiyang 550003, China

Received Date: 2022-08-30
Available Online: 2023-06-12

Abstract

Abstract

To investigate the influence of ground motion duration on the seismic response of self-centering prestressed concrete (SCPC) frames characterized by semi-rigidity, a friction based SCPC frame located in the area with a seismic fortification intensity of eight degree is selected as the analytical case, and its numerical model has been built. Two sets of artificial ground motions with 20 s and 60 s duration, generated based on code response spectrum, were used as the excitation for structures. The nonlinear dynamic analyses were performed on the SCPC frame under moderate and major earthquakes through finite element model of OpenSees. Results show that the ground motion duration has minor influence on the seismic response of structures under moderate earthquakes and the structures can be used immediately. Under major earthquakes, the structure can achieve the performance objective of repairable under the earthquake with short duration, while long ground motion duration may lead to larger displacement and residual deformation of lower floors, and aggravate the damage of beam and column, the objective of repairable under major earthquake is not achieved easily.
- ground motion duration,
- self-centering prestressed concrete,
- friction,
- repairable performance

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References

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