Shear Storage Capacity of Vertical Stiffener Joints between Concrete-Filled Double Steel Tubular Columns and Steel Beams

Table 1

Summary of the joint specimens and analysis results.

Specimens	B × t (mm^2)	Φ2ri × ti (mm^2)	lE (mm)	n	Anchorage web					Ry	Ru
SBJ1-1	250 × 8	Φ133 × 6	80	0.23	Unribbed	1248.9	1703.9	2433.3	4070.9	1.95	2.39
SBJ1-2	250 × 8	Φ133 × 6	120	0.23	Unribbed	1373.6	1774.2	2722.9	4544.6	1.98	2.56
SBJ2-1	250 × 8	Φ133 × 6	80	0.23	Ribbed	1392.4	1959.5	2974.4	4841.8	2.14	2.47
SBJ2-2	250 × 8	Φ133 × 6	120	0.23	Ribbed	1548.3	2126.1	3264.0	5315.5	2.11	2.50
SBJ3-1	250 × 8	Φ133 × 6	80	0.40	Unribbed	1326.7	1669.5	2433.3	4070.9	1.83	2.44
SBJ3-2	250 × 5	Φ133 × 6	80	0.23	Ribbed	1325.5	1856.6	2830.2	4544.2	2.14	2.45