EXPERIMENTAL RESEARCH ON SEISMIC BEHAVIOR OF CONCRETE-FILLED RPC TUBE COLUMNS

Author(s): Shan, Guang-Quan Tong and Bin He
Paper category: Proceedings
Book title: Proceedings of the 2nd International Conference on UHPC Materials and Structures (UHPC2018-China)
Editor(s): Caijun Shi and Baochun Chen
ISBN: 978-2-35158-219-0
e-ISBN: 978-2-35158-220-6
Publisher: RILEM Publications SARL
Publication year: 2018
Pages: 641-647
Total Pages: 7
Language : English

Abstract: Column concrete-filled RPC (reactive powder concrete) tube (CFRPCT), a novel cement-
based hybrid system, effectively combines the high strength of RPC and hoop confinement.

The seismic performance of this system was evaluated in the paper. Based on a series of
cyclic loading tests on 4 specimens, including a conventional reinforced concrete column
served as the control specimen, subjected to combined static axial loading and cyclic lateral
loading. The investigation and analysis have been focused on failure mode, hysteretic
response and basic parameters of seismic performance. In contrast to conventional reinforced
concrete column, the failure of CFRPCT columns were marked by distributed a lot of small
cracking, without any RPC cover spalling or crushing. Moreover, CFRPCT columns showed
significantly higher initial stiffness, lateral load carrying capacity, ultimate lateral
displacement and energy dissipation as compared with the corresponding reinforced concrete
column. The influence of lateral loading procedure and volume stirrup ratio on the seismic
performance of CFRPCT columns was also investigated in details. The results reveal that the
CFRPCT columns have a good ductility.

Online publication : 2018
Publication type : full_text
Public price (Euros) : 0.00