Concrete-filled　steel　tubes　(CFST)　are　used　extensively　in　modern　civil　engineering.　In　many　cases,　they　are　often　subjected　to　shear　and　constant　axial　compression,　particularly　when　being　used　in　high-rise　buildings.　ABAQUS　Programming　is　used　in　this　paper　for　the　analysis　of　CFST　subjected　to　shear　and　constant　axial　compression.　A　comparison　of　results　calculated　using　this　model　shows　good　agreement　with　test　results　in　general.　The　theoretical　model　was　used　to　investigate　the　influence　of　important　parameters　that　determine　the　ultimate　shearing　strength　of　the　composite　members.　The　parametric　studies　provide　information　for　the　development　of　formulae　to　calculate　the　ultimate　strength　of　CFST　members　subjected　to　shear　and　constant　axial　compression.　(c)　2008　Elsevier　Ltd.　All　rights　reserved.