Study on Parameter Optimization and Mechanism of Rigid-Flexible Coupling Underground Engineering Structure of Steel Panel and Polymer

Figure 6

The relationship of loading force with displacement at different thickness of steel panels (a) The thickness of the steel panel is 3 mm (b) The thickness of the steel panel is 6 mm (c) The thickness of the steel panel is 9 mm (d) The thickness of the steel panel is 12 mm.

(a)

(b)

(c)

(d)