COMPARATIVE ANALYSIS OF THE MODELS FOR DETERMINATION OF DEFLECTION IN THE COLUMN-MOUNTED JIB CRANE STRUCTURE

Goran Pavlović; Milomir Gašić; Mile Savković; Nebojša Zdravković; Goran Marković

Scientific paper ID 1528 : 2017/3

COMPARATIVE ANALYSIS OF THE MODELS FOR DETERMINATION OF DEFLECTION IN THE COLUMN-MOUNTED JIB CRANE STRUCTURE

Goran Pavlović, Milomir Gašić, Mile Savković, Nebojša Zdravković, Goran Marković

Column-mounted jib cranes belong to the group of cranes which are the most widespread in plants. The increased development of industry s shorter deadlines for the manufacturing and assembly of these cranes and, consequently, shorter design time. Deflection of these cranes often represents the main limiting factor in design. The paper presents the comparative analysis of expressions for analytical calculation of deflection of the jib tip defined by a lot of authors. The obtained results were compared by using the finite element method, as well as by experimental values. The recommendations for the selection of an adequate expression for calculation of deflection of the jib tip were given based on the comparison of results. The recommendation for the use of appropriate analytical expressions, which can considerably shorten the time of preliminary calculation in design of this type of cranes, was given based on the conclusions.

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стрелови кран отклонение метод на крайните елементи.column-mounted jib crane deflection finite element method.Goran Pavlović Milomir Gašić Mile Savković Nebojša Zdravković Goran Marković

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