Research Article

The Experimental Studies on Behavior of Ultrahigh-Performance Concrete Confined by Hybrid Fiber-Reinforced Polymer Tubes

Figure 10

The fitting curves for strength of each group of 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