Fig. 10From: Pull-Out Behaviour of Hooked End Steel Fibres Embedded in Ultra-high Performance Mortar with Various W/B RatiosSEM images of the fibre-matrix interface. a UHPM1(W/B = 0.15), b UHPM2 (W/B = 0.20) and c UHPM3 (W/B = 0.25).Back to article page