In　concrete　columns　confined　with　large　rupture　strain　(LRS)　fiber-reinforced　polymers　(FRPs),　the　LRS　FRPs　enhance　the　strength　and　ductility　of　concrete　columns　with　the　same　mechanism　as　conventional　FRPs　by　rendering　passive　lateral　confinement　pressure.　However,　LRS　FRPs　exhibit　a　strain　capacity　much　larger　than　that　of　conventional　FRPs.　Notably,　LRS　FRPs　have　a　bilinear　material　stiffness　instead　of　the　linear　stiffness　in　conventional　FRPs.　Therefore,　under　axial　compression,　concrete　confined　by　LRS　FRPs　will　bear　a　different　load　path　compared　to　that　confined　by　conventional　FRPs.　This　difference　must　be　considered　for　finite　element　analysis　(FEA)　of　LRS　FRP-confined　columns　especially　when　the　confinement　pressure　is　non-uniform.　To　this　aim,　23　samples　of　non-circular　LRS　FRP-confined　concrete　columns　under　axial　monotonic　compression　were　tested　and　analyzed.　The　variable　test　parameters　are　the　aspect　ratio　(i.e.,　the　depth　(longer　side)　and　width　(shorter　side)　of　the　cross-sections),　the　number　of　LRS　FRP　layers,　and　the　type　of　LRS　FRPs.　For　FEA,　the　concrete　damage　plasticity　module　(CDPM)　was　calibrated　by　both　the　active　confinement　pressure　approach　and　the　confinement　stiffness　approach.　The　active　confinement　pressure　approach　shows　that　the　concrete　plastic　flow　of　LRS　FRP-confined　concrete　is　dominated　by　the　secondary　stiffness　of　the　LRS　FRP　jacket.　For　the　confinement　stiffness　approach,　the　concrete　plastic　flow　is　deduced　from　the　compressive　cyclic　tests　of　cylindrical　columns　confined　by　LRS　FRP　jackets　as　a　function　of　confinement　stiffness.　Results　showed　that　the　plastic　dilation　angle　of　concrete　confined　by　LRS　FRPs　changes　almost　three　times　faster　than　that　for　concrete　confined　by　conventional　FRPs.　The　geometrical　effects　are　included　in　the　obtained　plastic　dilation　angle　so　that　a　new　plastic　dilation　angle　model　becomes　feasible　for　the　FEA　of　non-circular　LRS　FRP-confined　concrete　columns.　Utilizing　this　new　plastic　dilation　angle　model　enables　the　proposed　plastic　damage　model　to　capture　the　stress　strain　behavior　of　the　non-circular　columns.　Moreover,　the　non-uniformity　of　plastic　flow　on　sections　is　captured　reasonably.