FIREPROOF CONSTRUCTION OF STEEL FRAMES

摘要

A fireproof structure of a steel frame is provided to increase the application property and to control the twist or bending of a supporting member due to the heat. A fireproof structure of a steel frame comprises: a top runner combined with a fixing member(60) on a upper slab and located to be separate to the outside of a steel column(10a); a lower runner combined with the fixing member on a bottom slab and located at a vertical lower part of the top runner to face each other; a supporting member(20) inserted between the top runner and lower runner, and in which an upper end and a lower end of the supporting member are connected each other; and a fireproof member(40) providing a fireproof function to a steel column and mounted on the supporting member while surrounding the steel column.