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The Comparative Study of Fatigue Crack Propagation Experiment and Computer Simulation on the Component Materials for the Crane Life Remained

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DOI: 10.4236/lce.2011.21004    5,789 Downloads   13,489 Views  

ABSTRACT

This study presents fatigue crack propagation experiments and the simulation used to estimate the life remaining in a crane that is currently in use at a port. The fatigue crack propagation experiments were performed by an Instron 8516 fatigue testing machine and the simulation was performed using the AFGROW software. The simulation results indicated that the critical size of the crack in the upper flange surface of the main jib was 107.4 mm and that it would take 818,000 cycles to reach that point. If the main jib of the crane undertakes 28,800 cycles per annum then its remaining lifespan should be 28.4 years.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

S. Kim, H. Bae, M. Park, S. Kim, H. Chung and H. Choi, "The Comparative Study of Fatigue Crack Propagation Experiment and Computer Simulation on the Component Materials for the Crane Life Remained," Low Carbon Economy, Vol. 2 No. 1, 2011, pp. 20-25. doi: 10.4236/lce.2011.21004.

References

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[14] Y. B. Lee and B. D. Oh, “Characteristics of Fatigue Crack Propagations with Respect to the Angles be-tween Rolling and Tensile Loading Directions of Steel Plates,” Transactions of the Korean Society of Machine Tool Engineers, Vol. 14, No. 3, 2005, pp. 74-80.
[15] J. A. Harter, “AFGROW Users Guide and Technical Manual,” Air Force Research Laboratory, 2003.
[16] D. Wu, Y. Hu and X. Fan, “Visual Simulation for Granular Rocks Crush in Virtual Environment Based on Fractal Geome-try,” Simulation Modelling Practice and Theory, Vol. 17, No. 7, 2009, pp. 1254-1266. doi:10.1016/j.simpat.2009.04.010
[17] F. Lanoue, A. Vadean and B. Sanschagrin, “Finite Element Analysis and Contact Modelling Considerations of Interference Fits for Fretting Fa-tigue Strength Calculations,” Simulation Modelling Practice and Theory, Vol. 17, No. 10, 2009, pp. 1587-1602. doi:10.1016/j.simpat.2009.06.017
[18] S. Y. Kim, S. S. Kim and H. Choi, “Remaining Life Estimation of a Level Luffing Crane Component by Computer Simulation,” Korean Institute of Metals and Materials, Vol. 48, No. 6, 2010, pp. 489-497.
[19] S. Y. Kim, H. S. Bae, Y. H. Lee and M. K. Park, “Computer Simulation for Residual Life Expectancy of a Con-tainer Crane Boom Structure,” Journal of the Korean Society for Precision Engineering, Vol. 24, No. 9, 2007, pp. 125-128.
[20] C. W. Hur, “A Study on the Design and Life Expectancy of a Double Link Type Level Luffing Jib Crane,” Ph.D. Thesis, Department of Mechanical Engineering, Pukyong National University, 2002.
[21] P. C. Paris and F. Erdogan, “A Critical Analysis of Crack Propagation Laws,” Transaction ASME, Journal of Basic Engineering, Vol. 85, No. 1, 1963, pp. 528-534.
[22] “Structural Analysis and Design Software, STAAD,” Proceeding of Research Engineers International, 2004.
[23] Japanese Standards Association, JIS B 8821, “Specification for the Design of Crane Structures,” 2004.
[24] JIS B 8831, Japanese Standards Association, “Cranes- Design principles for loads and load combinations,” 2004.
[25] Federation europeenne De La manutention (FEM Code), “Rules for the Design of Hoisting Appliances,” Techni-cal Commission of FEM Section I, 1998.
[26] “Specification for Electric Overhead Traveling Cranes,” Crane Manufacturers Association of America Inc., CMAA Specified No. 70, 1988.
[27] ASTM Code, E647-95a, “Standard Test Method for Measurement of Fatigue Crack Growth Rates,” American Soci-ety for Testing and Materials, 1995.
[28] H. S. Kim and B. W. Ahn, “An Experimental on the Evaluation of Fatigue Crack Propagation of Carbon Steel,” Journal of the Korean Society of Mechanical Engineers, Vol. 13, No. 5, 1989, pp. 938-946.
[29] Y. B. Lee and B. D. Oh, “Characteristics of Fatigue Crack Propagations with Respect to the Angles be-tween Rolling and Tensile Loading Directions of Steel Plates,” Transactions of the Korean Society of Machine Tool Engineers, Vol. 14, No. 3, 2005, pp. 74-80.
[30] J. A. Harter, “AFGROW Users Guide and Technical Manual,” Air Force Research Laboratory, 2003.

  
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