Residual Strain Monitoring and Dynamic Characteristics of Hybrid Hollow Square Tube with Metal–FRP–Metal Sandwich Walls

Figure 4

Fabrication processes for the hybrid HST with sandwich walls: (a) manufacturing, (b) wrapping, (c) placing, (d) wrapping, (e) covering, (f) clamping, and (g) photograph of the clamped hybrid HST.

(a)

(b)

(c)

(d)

(e)

(f)

(g)