Study on the Static Performance of Prefabricated UHPC-Steel Epoxy Bonding Interface

Figure 3

Interface failure mode of specimen PS-E. (a) Epoxy-steel interface failure (E-S interface failure) and epoxy-UHPC interface failure (E-U interface failure). (b) Epoxy-steel interface failure (E-S interface failure), epoxy-UHPC interface failure(E-U interface failure), and epoxy layer’s localized failure.

(a)

(b)