To　improve　the　seismic　performance　and　repairability　of　precast　structures,　an　artificial　plastic　hinge　(APH)　was　proposed　for　precast　beam-column　joint.　The　proposed　APH　was　made　from　a　combination　of　steel　and　high-strength-concrete　(HSC),　and　the　AHP　will　dissipates　energy　through　metal　plastic　deformation　when　the　earthquake　occurs.　To　carry　out　the　research,　three　full-scale　beam-column　joints　were　designed　and　fabricated,　including　one　cast-in-place　joint　and　two　precast　joints　with　APH.　By　using　hysteretic　loads,　the　seismic　performance　of　joint　was　examined.　For　more　systematic　research,　the　finite　element　models　were　established　and　verified,　and　the　parameter　analysis　was　carried　out.　The　findings　demonstrate　that　the　proposed　joint　performs　well　in　terms　of　ductility　and　energy　dissipation.　It　is　recommended　to　use　12　mm　steel　plate　thickness　in　the　actual　design,　and　to　ensure　the　number　of　connecting　bolts　to　avoid　connection　damage　under　earthquake.　Through　design　optimization,　the　damage　to　the　APH　will　be　revealed　at　the　location　of　the　replaceable　steel　components,　so　as　to　achieve　rapid　repair　after　the　earthquake.　©　2023