On Factors behind the Reasonable Failure Mode of Concrete-Filled Circular Steel Tubular Composite Frame

Table 4

Information of structural models with different β.

Frame	5 stories					Frame	8 stories
	Story height (m)		β		l (m)		Story height (m)		β		l (m)
	1	2∼5	1	2∼5			1	2∼5	1	2∼5
F51	4.2	3.6.	0.311	0.267	5.4	F81	3.6	3.0	0.416	0.347	4.2
F52	3.6	3.0	0.265	0.221	5.4	F82	3.6	3.0	0.339	0.282	5.2
F53	3.6	3.0	0.229	0.190	6.3	F83	3.6	3.0	0.243	0.202	7.2
F54	3.6	3.0	0.200	0.167	7.2	F84	3.6	3.0	0.208	0.173	8.4