Research Article

Crash-Induced Vibration and Safety Assessment of Breakaway-Type Post Structures Made of High Anticorrosion Steels

Figure 13

Induced vertical forces in the -axis at the point of failure force measurement (cases 9∼16, SM490).
(a) Case 9
(b) Case 10
(c) Case 11
(d) Case 12
(e) Case 13
(f) Case 14
(g) Case 15
(h) Case 16