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author:

Zhao, Q. (Zhao, Q..) [1] | Li, Y. (Li, Y..) [2] | Qi, Z. (Qi, Z..) [3] | Chen, B. (Chen, B..) [4]

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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.

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  • [ 1 ] [Zhao, Q.]School of Civil Engineering, Tianjin University, Tianjin, China
  • [ 2 ] [Zhao, Q.]Key Laboratory of Coast Civil Structure Safety of Ministry of Education, Tianjin, China
  • [ 3 ] [Li, Y.]School of Civil Engineering, Tianjin University, Tianjin, China
  • [ 4 ] [Qi, Z.]School of Civil Engineering, Tianjin University, Tianjin, China
  • [ 5 ] [Chen, B.]School of Civil Engineering, Fuzhou University, Fuzhou, Fujian, China

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Source :

Maintenance, Safety, Risk, Management and Life-Cycle Performance of Bridges - Proceedings of the 9th International Conference on Bridge Maintenance, Safety and Management, IABMAS 2018

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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Chinese Cited Count:

30 Days PV: 4

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