Seismic Performance of Exterior Steel Ring-Stiffener Joint

Figure 4

Failure phenomena of specimens. (a) Cracks appear at corners of the column. (b) Local buckling occurs at the bottom flange of the steel beam. (c) Rupture of weld seam occurs at the bottom flange of the steel beam. (d) Cracks parallel to the longer side of the slab. (e) Rupture of weld seam occurs at the top flange of the steel beam.

(a)

(b)

(c)

(d)

(e)