Optimization of Box Type Girder of Overhead Crane
Parvez, Muhammad Abid, Muhammad Hammad Akmal, Shahid . 2008
Double girder box girder overhead cranes are used for heavy-duty applications in the industry. In this paper, a detailed parametric design optimization of the main girder of box type is performed for a 150Ton capacity and 32m long span crane, after its basic design using available design rules. Design optimization is performed using detailed 3D finite element analysis by changing the number, shape and location of horizontal stiffeners along the length of the girder and number and location of stiffeners along the vertical direction to control any possible buckling, lightweight and for safe stress and deflection. During optimization, primarily calculated thickness of the box girder plates is not changed.
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