Steel　moment-resisting　frames　(MRFs)　are　one　lateral　force-resistant　structural　system　commonly　used　in　high　seismicity　areas.　The　current　seismic　design　practice　for　MRFs　expects　to　develop　plastic　hinges　at　the　beam　ends　to　dissipate　earthquake　input　energy.　Meanwhile,　plastic　hinges　also　form　almost　unavoidably　at　the　column　bases　of　the　first　story　due　to　the　strong-base-weak-column　design　philosophy.　However,　concentrated　deformation　in　the　predetermined　plastic　hinges　may　lead　to　considerable　damage　in　structural　components.　The　accompanying　large　residual　drifts　can　substantially　compromise　post-earthquake　reparability　and　normal　functionality.　Hence,　this　paper　presents　a　novel　type　of　self-centering　(SC)　steel　column　base　incorporating　shape　memory　alloy　(SMA)　bolts　and　replaceable　steel　angles　as　a　damage-free　solution.　First,　the　working　principle　of　the　column　bases　is　described.　Subsequently,　the　seismic　performance　of　the　steel　columns　is　experimentally　evaluated　by　considering　the　influences　of　the　steel　angles　and　repeated　loading　scenarios,　and　the　replaceability　of　steel　angles.　Results　show　the　novel　steel　column　bases　exhibit　satisfactory　flag-shaped　hysteresis　loops　with　excellent　SC　capability　and　stable　energy　dissipation,　whereas　almost　all　the　damage　is　concentrated　in　the　steel　angles　that　can　be　replaced　rapidly　after　the　cyclic　loading　if　required.　The　deformed　columns　are　restored　to　their　upright　positions　instantaneously　with　negligible　residual　deformation　after　unloading.　More　importantly,　the　steel　column　stays　damage-free,　and　the　SMA　bolts　with　prestrain　remain　tightened.　This　enables　the　steel　columns　to　maintain　high　functionality　to　withstand　immediate　aftershocks　or　future　earthquakes,　explicitly　achieving　seismic　resilient　design.