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Seismic performance of elliptical FRP-concrete-steel tubular columns under combined axial load and reversed lateral load by Bing Zhang; Yutao Peng; Yuhang Gao; Yanlei Wang; Guipeng Chen; Chong Zhou; Ningyuan Zhang is a Engineering article available to read on EtoBox.
What is Seismic performance of elliptical FRP-concrete-steel tubular columns under combined axial load and reversed lateral load about?
By combining FRP composites with both steel and concrete, double-skin tubular columns (i.e., DSTCs) with a hollow core are a novel structural member to be used as bridge piers or other columns in harsh environments. Up to now, DSTCs with circular or square sections (i.e., C-DSTCs or S-DSTCs) have been investigated extensively, while DSTCs with an elliptical section (i.e., E-DSTCs) are rarely studied. E-DSTCs are composed of two concentric elliptical tubes (i.e., the external FRP tube and the internal steel tube) and a sandwiched concrete layer. E-DSTCs can be designed with two distinct bending stiffness with respect to the two axes of symmetry. Similar to C-DSTCs, E-DSTCs have an FRP tube with a continuously curved circumference, thus effectively confining the concrete layer. To extend the existing research, this paper tested six large E-DSTCs under combined axial load and reversed lateral load to investigate the effect of elliptical aspect ratio. The testing parameters also included the direction of reversed lateral load and the FRP thickness. Experimental results showed that, E-DSTCs performed with rounded hysteresis loops and remarkable ductility even for the specimen with a lar
Who reads Seismic performance of elliptical FRP-concrete-steel tubular columns under combined axial load and reversed lateral load?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Bing Zhang; Yutao Peng; Yuhang Gao; Yanlei Wang; Guipeng Chen; Chong Zhou; Ningyuan Zhang
- Publisher
- Elsevier BV
- Published
- 2023
- Language
- EN
- Field
- Engineering (Physical Sciences)