The　dynamic　bonding　behaviour　at　the　interface　between　a　large-rupture-strain　fibre-reinforced　polymer　(LRS-FRP)　and　concrete　was　investigated　via　drop　weight　impact　tests　of　notched　beam　specimens.　The　main　experimental　variables　included　the　concrete　strength　grade,　number　of　LRS-FRP　layers,　and　loading　rate.　With　increasing　loading　rate,　the　location　of　the　peeling　damage　at　the　interface　between　the　LRS-FRP　and　concrete　shifted　from　the　interior　of　the　concrete　layer　to　the　concrete–binder　layer　interface,　binder　layer,　and　even　binder　layer–FRP　interface.　The　ultimate　debonding　load　of　the　LRS-FRP　strips　increased　with　increasing　strain　rate,　reaching　more　than　1.7　times　the　static　value　at　a　strain　rate　of　approximately　4/s,　while　the　effective　bond　length　did　not　show　a　clear　increasing　or　decreasing　tendency　with　increasing　strain　rate.　For　the　local　bond-slip　relationship,　both　the　peak　interfacial　bond　stress　and　interfacial　fracture　energy　increased　with　increasing　strain　rate,　and　the　influences　of　the　concrete　strength　and　number　of　FRP　layers　on　the　strain　rate　sensitivity　were　insignificant.　Based　on　the　experimental　results,　improved　models　to　predict　the　ultimate　debonding　load　and　effective　bond　length　at　the　LRS-FRP–concrete　interface　under　both　static　and　dynamic　loading　conditions　were　proposed.　Furthermore,　dynamic　increase　factor　(DIF)　formulas　for　the　peak　interfacial　bond　stress　and　interfacial　fracture　energy　for　bond-slip　modelling　of　the　interface　between　a　polyethylene　naphthalate　(PEN)-FRP　and　concrete　were　established.　©　2024　Elsevier　Ltd