Modal analysis of cracked tower crane with an experimental validation

Dang Xuan Trong, Le Khanh Toan, Ha Thanh Ngoc, Nguyen Tien Khiem
Author affiliations

Authors

  • Dang Xuan Trong Occupational Safety and Health Inspection & Training Joint Stock Company733 Xo Viet Nghe Tinh, Ward 26, Binh Thanh Dist., Ho Chi Minh City, Viet Nam
  • Le Khanh Toan nstitute of Mechanics, VAST, 264, Doi Can, Ba Dinh, Ha Noi, Viet Nam
  • Ha Thanh Ngoc Institute of Mechanics and Environment Engineering, VUSTA, 264 Doi Can, Ba Dinh, Ha Noi, Viet Nam
  • Nguyen Tien Khiem Institute of Mechanics, Vietnam Academy of Science and Technology, 264, Doi Can, Ba Dinh, Ha Noi, Viet Nam

DOI:

https://doi.org/10.15625/2525-2518/58/6/15298

Keywords:

Tower crane, cracked structure, modal analysis, dynamic stiffness method

Abstract

In this paper, dynamic stiffness model of a cracked frame structure that represents a planar tower crane is established in an explicit form based on general solution of cracked 2D-beam element vibration. The crack is modeled by a pair of equivalent springs of stiffness calculated from the crack depth. An explicit form of frequency equation is first established and then solved for numerical sensitivity analysis of natural frequencies of the structure to cracks. An experimental study is accomplished to validate the theoretical development

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References

Abdel-Rahman E.M., Nayfeh A.H. and Masoud, Z.N. - Dynamics and Control of Cranes. A Review. Journal of Vibration and Control, 9(7) (2003) 863-909. DOI: https://doi.org/10.1177/1077546303009007007

Ju F. and Choo Y.S. - Dynamic characteristics of tower cranes. Proc. 2nd Int. Conf. on Structural Stability and Dynamics. World Scientific, Singapore (2002) 260-266. DOI: https://doi.org/10.1142/9789812776228_0033

Ju F. and Choo Y.S. - Dynamic Analysis of Tower Cranes. Journal of Engineering Mechanics 131 (1) (2005) 88-96. DOI: https://doi.org/10.1061/(ASCE)0733-9399(2005)131:1(88)

Ju F., Choo Y.S. and Cui F.S. - Dynamic response of tower induced by the pendulum motion of the payload. International Journal of Solids and Structures 43 (2) (2006) 376-389. DOI: https://doi.org/10.1016/j.ijsolstr.2005.03.078

Nasser M.A. - Dynamic Analysis of Cranes. Proc. IMAC XIX, paper No. 194301, pp. 1592-1599.

Oguamanam D.C.D. and Hansen J.S. - Dynamic response of an overhead crane system. Journal of Sound and Vibration 243 (5) (1998) 889-906. DOI: https://doi.org/10.1006/jsvi.1998.1564

Ghigliazza R.M. and Holmes P. - On the Dynamics of Cranes or Spherical Pendula with Moving Supports. Intern. J. of Nonlinear Mechanics 37 (6) (2002) 1211-1221. DOI: https://doi.org/10.1016/S0020-7462(01)00141-X

Eden J.F., Homer P. and Butler A.J. - The Dynamic Stability of Mobile Cranes. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 199 (D4) (1985) 283-293. DOI: https://doi.org/10.1243/PIME_PROC_1985_199_168_01

Wang S., Shen R., Jin T. and Song S. - Dynamic Behavior Analysis and Its Application in Tower Crane Structure Damage Identification. Advanced Materials Research 368-373 (2012) 2478-2482. DOI: https://doi.org/10.4028/www.scientific.net/AMR.368-373.2478

Khiem N.T., Trong D.X. - Modal Analysis of Tower Crane with Cracks by the Dynamic Stiffness Method. Topics in Modal Analysis & Testing, Volume 10, Chapter 2, 2017, 11-22. M. Mains, J.R. Blough (eds.) DOI: https://doi.org/10.1007/978-3-319-54810-4_2

Khiem N.T., Tran T.H. - A procedure for multiple crack Identification in beam-like structures from natural vibration mode. Journal of Vibration and Control 20 (9) (2014) 1417-1427. DOI: https://doi.org/10.1177/1077546312470478

Nguyen Tien Khiem. Introduction to Experimental Mechanics, VNU Publishing House, Hanoi, 2012.

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Published

15-12-2020

How to Cite

[1]
D. X. . Trong, L. K. Toan, H. T. Ngoc, and N. T. Khiem, “Modal analysis of cracked tower crane with an experimental validation”, Vietnam J. Sci. Technol., vol. 58, no. 6, pp. 776–788, Dec. 2020.

Issue

Vol. 58 No. 6 (2020)

Section

Mechanical Engineering - Mechatronics

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