Research Article
Novel Crashworthy Device for Pier Protection from Barge Impact
Table 4
Prespecified parameters for structure optimization.
| Member | Parameter | Value |
| Barge | = barge mass | 181.4 ton1723.7 ton | = impact velocity | 1.0 m/s5.0 m/s | Cap | = cap width | 3.0 m | = cap mass | 100.0 ton | Steel beams | = number of planes of beam units | 2 | = mass density of beam steel | 8020.0 kg/m3 | = elastic modulus of beam steel | 200.0 GPa | = tangent modulus of beam steel | 1.5 GPa | = yielding strength of beam steel | 350.0 MPa | = failure strain of beam steel | 0.25 | Design requirements | = lower bound of | 1 | = upper bound of | 10 | = lower bound of | 0.2 m | = upper bound of | 1.0 m | = lower bound of | 1.0 m | = upper bound of | 5.0 m | = maximum allowable force on pier | 5.0 MN |
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