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Erschienen in:
2009 | OriginalPaper | Buchkapitel
Equivalent Static Loading for Ship-Collision Design of Bridges Based on Numerical Simulations
verfasst von : Junjie Wang, Cheng Chen
Erschienen in: Computational Structural Engineering
Verlag: Springer Netherlands
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The numerical simulation technology for structural impacts is used to develop the equivalent static loading for design of bridges against ship collisions. FEM models of five ships whose DWT vary from 3000T–50000T have been developed for numerical collision simulations using the software, LS-DYNA. Time histories for ship-rigid wall collisions are obtained and three kinds of equivalent static loading, the maximum collision force, the local average collision force and the global average collision force are defined. The relationship between the equivalent static loading and DWT, the collision velocity of a ship are established. Modification factors are introduced to consider the effects of geometry of a bridge foundation on the equivalent static loading.