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5 钢纤维表面和界面过渡区表面的纳米压痕阵列

Fig.5 Steel fiber surface nanoindentation array (a) and ITZ surface nanoindentation array (b)