Research Article

Cyclic Testing of Concrete-Filled Double-Skin Steel Tubular Column to Steel Beam Joint with RC Slab

Figure 14

P-Δ hysteresis loops of the end of the column: (a) CBJ1; (b) CBJ2; (c) CBJ3; (d) CBJ4; (e) SBJ1.
(a)
(b)
(c)
(d)
(e)