To　reduce　the　damage　of　bridge　columns　caused　by　ship　collision,a　new　prestressed　steel-rubber　combination　anti-collision　device　was　proposed.　First,three　large-scale　test　components　were　designed　to　study　the　overall　mechanical　performance,damage　mode　and　bearing　capacity　of　the　device　through　pseudo-static　tests.　Then　the　finite　element　models　were　verified　through　the　test　results,the　influence　of　the　welding　on　its　structural　force　was　determined,and　the　overall　dynamic　analysis　of　the　anti-collision　device　was　further　conducted.　The　results　show　that　the　steel-rubber　combination　anti-collision　device　has　larger　capacity　than　that　without　recycled　tires　due　to　the　supporting　effect　by　the　tires;the　steel-rubber　combination　anti-collision　device　has　a　good　buffering　and　energy　dissipation　effect,and　the　energy　consumption　reaches　more　than　35%　under　normal　collision　and　20°　oblique　collision,satisfying　the　function　of　preventing　the　collision　between　ship　and　pier;the　recycled　tires　not　only　realize　a　certain　function　to　turn　around　ships,but　also　play　the　role　of　energy　dissipation　and　have　a　rebound　effect,since　the　recycled　tires　make　additional　energy　dissipation　over　5%　.　Meanwhile,the　filling　of　recycled　tires　not　only　improves　the　self-floating　performance,but　also　enhances　the　overall　performance　of　the　device.　©　2024　Southeast　University.　All　rights　reserved.