冻融作用后超高性能混凝土中钢纤维的拔出行为研究

谢瑞峰, 仵云飞, 唐百晓

Pullout Behavior of Steel Fiber in Ultra-high-performance Concrete Subjected to Freeze-thaw

XIE Ruifeng, WU Yunfei, TANG Baixiao

图3 冻融循环作用不同埋深的钢纤维的拔出荷载-滑移曲线

Fig.3 Pull-out load-slip curves of fiber with different embedment depth under (a) 0 F-T cycles, (b) 300 F-T cycles, (c) 600 F-T cycles, (d) 900 F-T cycles, (e) 1200 F-T cycles, (f) 1500 F-T cycles