The dynamic behaviour of container crane under seismic loading is a complex issue, especially for assessing uplift. The pin support is commonly used to model the contact between crane’s legs and the ground/rails in low seismicity area. However, the behaviour of the structure is quite different under high seismic intensity because the crane’s wheels are not fixed to the rails in operation. In this study, therefore, a 3-D finite element (FE) model was simulated with gap elements to consider the uplift behavior. In addition, the vertical reaction of the crane’s legs were investigated as well.

Abstract
 1. Introduction
 2. Modelling and results
 3. Conclusion
 References

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