[1] Xia Jian, Zong Zhouhong, Xu Chaoran, et al. Seismic performance of double-skin steel-concrete compositebox piers: PartⅠ—Bidirectional quasi-static testing [J]. Journal of Southeast University (English Edition), 2016, 32 (1): 58-66. [doi:10.3969/j.issn.1003-7985.2016.01.011]

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Seismic performance of double-skin steel-concrete compositebox piers: PartⅠ—Bidirectional quasi-static testing()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

32

Issue:

2016 1

Page:

58-66

Research Field:

Traffic and Transportation Engineering

Publishing date:

2016-03-20

Info

Title:

Seismic performance of double-skin steel-concrete compositebox piers: PartⅠ—Bidirectional quasi-static testing

Author(s):

Xia Jian¹;  3;  Zong Zhouhong²;  Xu Chaoran²;  Li Minghong²

¹School of Civil Engineering, Fuzhou University, Fuzhou 350116, China
²School of Civil Engineering, Southeast University, Nanjing 210096, China
³Fujian Academy of Building Research, Fuzhou 350025, China

Keywords:

double-skin steel-concrete composite box(DSCB)pier;  bidirectional quasi-static testing;  hysteretic curve;  skeleton curve;  ductility;  energy dissipation capacity

PACS:

U443.22

DOI:

10.3969/j.issn.1003-7985.2016.01.011

Abstract:

To study the seismic performance of double-skin steel-concrete composite box(DSCB)piers, a total of 11 DSCB pier specimens were tested under bidirectional cyclic loading. The effects of the loading pattern, the steel plate thickness, the axial load ratio, the slenderness ratio and the aspect ratio were taken into consideration. The damage evolution process and failure modes of the tested specimens are presented in detail. Test results are also discussed in terms of the hysteretic curve, skeleton curve, ductility and energy dissipation capacity of DSCB pier specimens. It can be concluded that the hysteretic performance of DSCB piers in one direction is affected and weakened by the cyclic loading in the other direction. DSCB piers under bidirectional cyclic loading exhibit good performance in terms of load carrying capacity, ductility, and energy dissipation capacity. Overall, DSCB piers can meet the basic aseismic requirements. The research results can be taken as a reference for using DSCB piers as high piers in bridges in strong earthquake-prone areas.

References:

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Memo

Memo:

Biographies: Xia Jian(1970—), male, doctor, professor; Zong Zhouhong(corresponding author), male, doctor, professor, zongzh@seu.edu.cn.
Foundation items: The National Natural Science Foundation of China(No. 51178101, 51378112), the Doctoral Fund of Ministry of Education(No. 20110092110011).
Citation: Xia Jian, Zong Zhouhong, Xu Chaoran, etl al.Seismic performance of double-skin steel-concrete composite box piers: PartⅠ—Bidirectional quasi-static testing[J].Journal of Southeast University(English Edition), 2016, 32(1):58-66.DOI:10.3969/j.issn.1003-7985.2016.01.011.

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