Cyclical Behavior of Concrete-Encased Composite Frame Joints with High Strength Concrete

Figure 6

Experimental phenomenon in failure stage.

(a) Splitting crack

(b) Concrete spalling

(c) Steel bar bending

(d) Specimen J-1

(e) Specimen J-2

(f) Specimen J-3

(g) Specimen J-4

(h) Specimen J-5