Fig. 13From: Investigation into corrosion-induced bond degradation between concrete and steel rebar with acoustic emission and 3D laser scan techniquesVisual observations on steel-concrete interfaces after pullout tests: (1) concrete interface, (2) steel rebar surface; (a) uncorroded rebar, (b) slightly corroded rebar, (c) moderately corroded rebar, and (d) severely corroded rebarBack to article page