The invention provides a dismountable
assembly type circular
steel tube concrete column. The dismountable
assembly type circular
steel tube concrete column mainly comprises an upper circular
steel tube concrete column, a lower circular steel tube concrete column, a column
flange connecting piece, two semicircular
steel plates with holes and a pulling-resistant connecting pair. Structural measures of the circular steel tube concrete columns and the column
flange connecting piece are reasonably designed, the pulling-resistant connecting pair is adopted for splicing the circular steel tube concrete columns, then grouting is carried out from the reserved semicircular holes of the semicircular
steel plates, and finally, the dismountable fabricated circular steel tube concrete column is formed. When the circular steel tube concrete columns are replaced, a bolt bar is dismounted, so that the circular steel tube concrete columns and the column
flange connecting piece are taken down, and further removal and replacement of the circular steel tube concrete columns are realized. The dismountable
assembly type circular steel tube concrete column has the advantages that all the components are connected in a field assembly manner, building industrialization assembling efficiency is improved, dismounting, separating and replacing functions of an assembly type combined structure column-column component are realized, and a novel energy-saving and environment-friendly architectural concept that a building component can be dismounted and altered is shown.