Effect of Intermediate Stiffeners on the Behaviors of Partially Concrete Encased Steel Beams

Figure 18

Condition and crack pattern of all specimens at 1st 5% drift angle cycle. (a) PS-NB. (b) PS-SC. (c) PS-MS. (d) PS-HS. (e) PW-NB. (f) PW-SC. (g) PW-MS. (h) PW-HS.