4.3 Article

Glass Fiber-Reinforced Polymer-Reinforced Beam-Column Connections with Novel Connection Details

期刊

ACI STRUCTURAL JOURNAL
卷 119, 期 2, 页码 271-286

出版社

AMER CONCRETE INST
DOI: 10.14359/51734342

关键词

beam-column connection; cyclic performance; diagonal bars; drift ratio; glass fiber-reinforced polymer (GFRP) bars; reinforced concrete

资金

  1. Higher Education Commission (HEC) of Pakistan
  2. Graduate Research School of the University of Wollongong

向作者/读者索取更多资源

This paper proposes two novel reinforcement details for GFRP-reinforced concrete exterior beam-column connections and verifies their advantages in terms of load capacity, ductility, and energy dissipation through experimental comparison.
This paper proposes two novel reinforcement details for glass fiber-reinforced polymer (GFRP) reinforced concrete (RC) exterior beam-column connections. Four RC exterior beam-column connections with different connection details (MI-bend, GH-bend, Z-bend, and U-bend) were tested under reversed cyclic loading. The two conventional connection details (S'H-bend and GH-bend) comprised three 90-degree hooked bar anchorages for longitudinal reinforcement of the beam and four rectangular stirrups (steel or GFRP) within the connection region. In the two novel connection details (Z-bend and U-bend) proposed in this study U-shaped bars were used as anchorage at the end of the longitudinal reinforcement of the beam. The Z-bend detail contained four extra Z-shaped bars and one rectangular stirrup, and the U-bend detail contained four additional U-bars and four rectangular stirrups at the connection. Experimental results revealed that the U-bend detail achieved higher load capacity, ductility, and energy dissipation than those of the Z-bend and conventional connection details.

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