Study on the Anticollision Performance of a New Corrugated Steel Protection System for Bridge Pier

Table 1

Parameters of the materials.

Material	LS-DYNA model	Parameters
Corrugated steel	^∗MAT_024	ρ (g/mm^3)	E (MPa)	ν	FAIL	LCSS	VP
		7.85e − 3	176e3	0.31	0.3	1	1
Bow	^∗MAT_003	ρ (g/mm^3)	E (MPa)	ν	σ0 (MPa)	Et (MPa)	Fs
		7.85e^−3	210e3	0.3	235	1180	0.5
Stern	^∗MAT_ 020	ρ (g/mm^3)	E (MPa)	ν	CM0	CON1	CON1
		7.85e^−3	210e3	0.3	1.0	0	0
Reinforcement 1	^∗MAT_001	ρ (g/mm^3)	E (MPa)	ν	—	—	—
		7.85e^−3	210e3	0.3	—	—	—
Reinforcement 2	^∗MAT_001	ρ (g/mm^3)	E (MPa)	ν	—	—	—
		7.85e^−3	210e3	0.3	—	—	—
C50	^∗MAT_145	ρ (g/mm^3)	G (MPa)	K (MPa)	α (MPa)	α1	α2
		2.6e − 3	1.4e4	0.2	14.97	0.83	0.76
		θ	θ1 (MPa^−1)	θ2 (MPa^−1)	λ	λ1 (MPa^−1)	λ2 (MPa^−1)
		0.3270	0	0	8.1464	0.2407	0.2561
		β (MPa^−1)	β1 (MPa^−1)	β2 (MPa^−1)	X0 (MPa)	D1 (MPa^−1)	D2 (MPa^−1)
		0.0240	0.0082	0.0071	108.14	9.5e − 4	1.675e − 6
		W	S	A^−	B^−	A^+	B^+
		0.067	2.0	1.0	0.1	1.0	0.3