Internal Force Transfer Mechanism and Bearing Capacity of Vertical Stiffener Joints in CFDST Structures

Table 1

Test specimens and calculation results.

Specimens	□B × t (mm^2)	lO (mm)	n	Anchorage web	lp (mm)
SBJ1-1	250 × 8	80	0.23	Unribbed	900	214.5	208.0	1703.9	4070.9	0.97	2.28
SBJ1-2	250 × 8	120	0.23	Unribbed	860	226.0	208.0	1774.2	4544.6	0.92	2.45
SBJ2-1	250 × 8	80	0.23	Ribbed	900	246.3	240.9	1959.5	4841.8	0.98	2.37
SBJ2-2	250 × 8	120	0.23	Ribbed	860	263.0	240.9	2126.1	5315.5	0.92	2.41
SBJ3-1	250 × 8	80	0.40	Unribbed	900	210.1	208.0	1669.5	4070.9	0.99	2.32
SBJ3-2	250 × 5	80	0.23	Ribbed	900	250.9	240.9	1856.6	4544.2	0.96	2.60