Research Article

Effect of Cross-Sectional Aspect Ratio on Rectangular FRP-Concrete-Steel Double-Skin Tubular Columns under Axial Compression

Figure 1

Cross section of square and rectangular DSTCs. (a) Square DSTCs with a circular steel tube, (b) square DSTCs with a square steel tube, (c) rectangular DSTCs with an elliptical steel tube, and (d) rectangular DSTCs with a rectangular steel tube.
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(b)
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