Journal of Liaoning Petrochemical University
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Study on the Mechanical Behaviors of the Hollow Reinforced Concrete Column Confined by GFRP Tube
Zhan Jiedong, Ren Meng, Guan Haiwei, Zhao Dewang
Abstract373)      PDF (3196KB)(285)      
According to the domestic and foreign scholars on the research status of GFRP concrete column, the hollow reinforced concrete column confined by GFRP tube was put forward as a new type of member. Three hollow GFRP reinforced concrete columns were designed, and the compression capacity under three kinds of reinforcement ratio through the static test method was investigated. At the same time, the simulation analysis was carried out on the specimens combining with the finite element software ANSYS, a reference for practical engineering was provided. The results show the bearing capacity of specimen increased with the increase of reinforcement ratio, but not linear relationship. With the increase of reinforcement ratio, the confinement effect of composite columns increased firstly and then decreased. When the longitudinal reinforcement ratio of the new type of composite columns was 0.9%, the loading mechanism was best, and the confinement effect by the GFRP tube was largest.
2015, 35 (5): 49-53. DOI: 10.3969/j.issn.1672-6952.2015.05.012