2014•Applied Mechanics and MaterialsOpen access

Research on Spatially Statically Indeterminate Parallel Force System of Rigid-Flexible Coupling Structures

Xin Wang, Shu Ming, Di Wu, You Guo Liang

Abstract

In the process of large equipments lifting, when the object is lifted by four or more cranes collaboratively, it is under the action of the spatially statically indeterminate parallel force system. Based on the state geometric change characteristics of the multi-crane system which is a rigid-flexible coupling structure, we creat the deformation coordination equation and propose a method to solve the problem of the spatially statically indeterminate parallel force system for the rigid-flexible coupling structure, which can be widely applied in any lifting case. And the effectiveness of this method is verified by the comparative analysis with FEM.

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Key concepts: Statically indeterminate, Indeterminate, Coupling (piping), Process (computing), Structural engineering, Finite element method, Computer science, Deformation (meteorology)