HOLLOW PC COMPOSITE COLUMN FOR SRC COLUMN AND SRC STRUCTURE USING SAME

摘要

The present invention relates to a hollow PC composite column and an SRC structure properly using the same, wherein the hollow PC composite column formed by partially forming an SRC column into PC has a sectional property maximized by the optimal composite of steel and concrete and allows works in a construction site to be simplified. According to the present invention, the hollow PC composite column for an SRC column is a hollow PC composite column formed by the composite of a steel frame and reinforced concrete, and comprises: multiple sectional steels separated each other and vertically arranged on a column section; strips installed to be bonded to the sectional steels, positioned between the sectional steels, and mutually connecting the sectional steels; a tie bar horizontally wounded around the outsides of the sectional steels; and cover concrete covering the outside of a prefabricated section and integrally formed into the PC, wherein the prefabricated section has the sectional steels, the strips, and the tie bar assembled each other. A hollow part is formed in the sectional steels. The hollow PC composite column can include studs further, wherein the studs are installed to be bonded to the outsides of the sectional steels and are buried in the cover concrete. Furthermore, the sectional steels can be formed into L-shaped steels and be arranged at the edges of the rectangular column section; or the tie bar can be a spiral reinforcing bar; or the cover concrete can be made from steel fiber reinforced concrete (SFRC) having a high deformation property for preventing the early crush of the cover concrete. The PC composite column according to the present invention is completed into the SRC column by filling core concrete in the hollow part at the center thereof.;COPYRIGHT KIPO 2014