Dynamic Amplification Factor of Shear Force on Bridge Columns under Impact Load

Figure 4

Distribution of DAF of internal forces of bridge columns at different timestamps under impact load. (a) Right triangle of t_d/T₁ = 1, 0.5 ms. (b) Right triangle of t_d/T₁ = 1, 5 ms. (c) Isosceles triangle of t_d/T₁ = 4, 20 ms.

(a)

(b)

(c)