Analysis of Concrete-Filled Steel Tube Reinforced Concrete Column-Steel Reinforced Concrete Beam Plane Frame Structure Subjected to Fire

Table 2

Fire resistance unit: min.

		CFSTRC column	Composite column frame structure	Failure mode of frame structure
0.2	0.6	582	296	The beam broke down
0.4	0.6	244	139	The frame beam and frame column were destroyed simultaneously
0.6	0.6	100	57	The frame beam and frame column were destroyed simultaneously
0.8	0.6	38	17	The frame beam and frame column were destroyed simultaneously
0.6	0.2	100	92	The frame beam and frame column were destroyed simultaneously
0.6	0.4	100	67	The frame beam and frame column were destroyed simultaneously
0.6	0.6	100	57	The frame beam and frame column were destroyed simultaneously
0.6	0.8	100	39	The frame beam and frame column were destroyed simultaneously