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Experimental Modal Analysis Assessment of a Scaled-Down Tower Crane Mast to be Used in Experimental Studies

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Iranian Journal of Science and Technology, Transactions of Mechanical Engineering Aims and scope Submit manuscript

Abstract

Testing of large and heavy structures or systems in real-size form is not a preferred method because of expectations from experimental studies, such as repeatability, less time consumption, less cost, and realistic environmental conditions. Thus, it is more reasonable to design a scaled model that represents a real-size structure and to perform experimental studies with this model. In this research, a tower crane mast that is the dominant part for oscillation of the whole crane system and so large for the laboratory environment is considered and aimed to obtain a scaled physical model that dynamically represents the real structure in order to experimentally investigate the dynamic response of a tower crane under the seismic effect. In this context, a tower crane mast model was manufactured as 1/30 scaled size and an experimental modal analysis test was performed on the physical model. The competency of the scaled model to represent the real-size model was presented by theoretical and experimental studies. Results of these studies show that the scaled model represents the dynamics of the real-size system effectively.

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Acknowledgements

This work has been supported by Yildiz Technical University Scientific Research Projects Coordination Unit under project number FDK-2019-3694.

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Correspondence to Hamit Kenan.

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Kenan, H., Azeloğlu, C.O. Experimental Modal Analysis Assessment of a Scaled-Down Tower Crane Mast to be Used in Experimental Studies. Iran J Sci Technol Trans Mech Eng 47, 1867–1876 (2023). https://doi.org/10.1007/s40997-023-00594-5

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