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author:

Zhao, Qiuhong (Zhao, Qiuhong.) [1] | Li, Yikang (Li, Yikang.) [2] | Qi, Zhaoyang (Qi, Zhaoyang.) [3] | Chen, Baochun (Chen, Baochun.) [4] (Scholars:陈宝春)

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EI Scopus

Abstract:

This paper focused on seismic behavior of integral abutment-steel H pile joints through cyclic tests. Six specimens were tested, composing of a steel H-pile embedded inside an inverted 'T' shape reinforced concrete block simulating abutment. Design parameters varying as follow: H pile orientation, strong vs. weak axis bending; crumb rubber concrete (CRC) vs. normal concrete, for portion of abutment around pile tip; attaching rubber plates to H pile tip vs. no rubber plates. Test results indicated that: pile orientation had significant influence on seismic performance, energy dissipation and bending capacity for weak axis bending is lower than strong axis bending, while failure displacement and ductility is higher; CRC would reduce concrete cracks, initial stiffness, and slow down stiffness degradation, and reduced total energy dissipation; attaching rubber plates to pile tip protected it from damage. It would reduce initial stiffness and bending capacity, but increased failure displacement and ductility. © 2018 Taylor & Francis Group, London.

Keyword:

Abutments (bridge) Concrete blocks Concrete testing Cyclic loads Ductility Energy dissipation Life cycle Maintenance Piles Reinforced concrete Rubber Safety engineering Sandwich structures Seismic response Steel testing Stiffness

Community:

  • [ 1 ] [Zhao, Qiuhong]School of Civil Engineering, Tianjin University, Tianjin, China
  • [ 2 ] [Zhao, Qiuhong]Key Laboratory of Coast Civil Structure Safety of Ministry of Education, Tianjin, China
  • [ 3 ] [Li, Yikang]School of Civil Engineering, Tianjin University, Tianjin, China
  • [ 4 ] [Qi, Zhaoyang]School of Civil Engineering, Tianjin University, Tianjin, China
  • [ 5 ] [Chen, Baochun]School of Civil Engineering, Fuzhou University, Fuzhou; Fujian, China

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Year: 2018

Page: 2189-2196

Language: English

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 3

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