Abstract
The present research aims to investigate parametrically the structural vibration analysis of tower crane under the lifting-luffing coupling condition. Structural vibration greatly affects tower crane stability. The structural dynamics of a crane should be considered for studying motion behavior and vibration feature. The dynamic model of the tower crane is presented based on air resistance, boom deflection, and Lagrange equation under the lifting-luffing coupling condition. The vibration model of the tower crane was validated by an experiment. The experiment was conducted with an accelerating speed until reaching the constant speed and then with decelerating speed. This study analyses structural parameters to acquire the dynamic characteristics and vibration features of the tower crane under the compound working condition. The vibration responses of the mast and the boom are studied with frequency- and time-domain indicators. Results show that payload mass, luffing acceleration, boom length, mast height, and girder length significantly influence the mast vibration. In comparison, payload mass, trolley acceleration, and boom length affect the boom vibration. This research can improve the design of a dynamic system for tower crane safety.
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Acknowledgments
This work was partly supported by the Natural Science Foundation of Beijing Municipal of China under Grant L211008 and KZ202010016025, the Open Research Fund Program of the Beijing Engineering Research Center of Monitoring for Construction Safety of China under Grant BJC2020K002, and the National Natural Science Foundation of China under Grant 51975038.
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Jianwei Yang received his Ph.D. degree in vehicle operation engineering from the China Academy of Railway Sciences in Beijing, China, in 2006. He is currently a Part-time Professor in the School of Mechanical, Electronic, and Control Engineering of the Beijing Jiaotong University in Beijing. He is also a Full-time Professor in the School of Mechanical-Electronic and Vehicle Engineering of the Beijing University of Civil Engineering and Architecture in Beijing. His research interests include system dynamics, VR, control, and fault diagnosis.
Fu Liu is currently pursuing a Ph.D. degree in intelligent construction engineering from the School of Civil and Transportation Engineering at the Beijing University of Civil Engineering and Architecture in Beijing, China. His research interests include structural dynamics and nonlinear oscillation.
Jinhai Wang received a Ph.D. degree in vehicle operation engineering from the Beijing Jiaotong University in Beijing, China, in 2020. He also received M. Eng. and B. Eng. degrees in vehicle operation engineering and mechanical engineering from the Beijing University of Civil Engineering and Architecture in Beijing, China, in 2015 and 2012. In the summer of 2011, he was a visiting student at the Gyeonggi College of Science and Technology in Sinhyeon, South Korea. He is currently a postdoctoral research fellow at the Faculty of Vehicle Engineering at the Beijing University of Civil Engineering and Architecture in Beijing, China. His research interests include nonlinear oscillation and system reliability engineering.
Changdong Liu received his MASc degree in 2018 from the University of Windsor in Windsor, Ontario, Canada. His research interests include multibody dynamics and structural dynamics.
Xiaohui Wang is currently pursuing her Ph.D. degree in intelligent construction engineering from the School of Civil and Transportation Engineering at the Beijing University of Civil Engineering and Architecture in Beijing, China. Her research interest includes structural analysis.
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Liu, F., Yang, J., Wang, J. et al. Effect on tower crane structural vibration under the lifting-luffing coupling condition. J Mech Sci Technol 37, 4935–4947 (2023). https://doi.org/10.1007/s12206-023-0702-4
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DOI: https://doi.org/10.1007/s12206-023-0702-4