Research Article
The Experimental Studies on Behavior of Ultrahigh-Performance Concrete Confined by Hybrid Fiber-Reinforced Polymer Tubes
Figure 8
Average stress-strain response curves for each group of confined UHPC specimens.
(a) UHPC-filled A/BFRP tubes |
(b) UHPC-filled B/GFRP tubes |
(c) UHPC-filled C/BFRP tubes |
(d) UHPC-filled C/GFRP tubes |
(e) UHPC-filled C/A/GFRP and C/B/GFRP tubes |