This　paper　developed　a　novel　bolted　connection　of　prefabricated　partially　encased　composite　(PEC)　beam　to　concrete-filled　steel　tubular　(CFST)　column　by　end-plates　or　π-connectors,　and　two　joints　with　varying　design　details　were　tested　subjected　to　cyclic　loading.　The　seismic　performance　of　the　developed　connections　was　investigated　by　experimental　and　finite　element　(FE)　analysis.　It　was　observed　that　both　the　two　type　connections　exhibited　concrete　crushing　within　the　PEC　beam,　accompanied　by　localized　buckling　and　eventual　fracture　of　the　flanges　in　the　main　steel　component　of　the　beam.　At　the　same　time,　other　components　were　essentially　in　the　elastic　phase,　such　as　end-plates,　π-connectors,　high-strength　bolts,　and　column　steel　tubes.　The　bolted　end-plate　connections　demonstrated　excellent　hysteretic　performance,　exhibiting　high　ductility　factors.　The　stiffness,　ductility,　and　energy　dissipation　capacity　of　the　bolted　π-connector　connections　were　significantly　diminished　due　to　the　influence　of　relative　slippage　between　the　π-connectors　and　the　beams,　in　stark　contrast　to　the　bolted　end-plate　connection.　According　to　Eurocode　3,　the　suggested　connection　configurations　exhibited　semi-rigid　behavior　and　full-strength　characteristics　for　non-sway　frames.　©　2024　Elsevier　Ltd