Table 2: Mechanical property of the steel plate.

Thickness of the steel plate (mm)σy (MPa)σu (MPa)εy (%)εu (%)Es (MPa)

32633721.98318.3219523
42563811.83120.2319871
52603581.92019.5620522
62493631.85318.9220246
82513681.91519.01420042
102383752.05218.7619197

σy is the yield stress; σu is the limit stress; εy is the yield strain; εu is the limit strain; Es is the elasticity modulus.