Bond Behavior of Reinforcing Steel Bars in Thermal Insulation Concrete Exposed to Freeze-Thaw Cycles

Figure 12

Images of the interface between steel bar and TIC after exposing to different numbers of F-T cycles. (a) 0, (b) 50, (c) 100, (d) 200, and (e) 300.

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(b)

(c)

(d)

(e)