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Proceedings Paper

Bi-probability structural risk management for container cranes
Author(s): Xiao Mei; Dashan Dong; Chen Wang; Xinyuan Wang
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Paper Abstract

Fatigue is one of main failure forms that the steel structure loses its functions under fluctuating loads. Take a container crane for example, the randomness of lifting load and trolley reaching positions, namely load probability and position probability, are the most obvious characteristic when loading and unloading containers on the ship. Correspondingly load spectrum and position spectrum is constructed to estimate the crack growth remaining life by using Paris’ Law and then the periodic inspection interval is proposed to conduct the structural risk management. A real case is analyzed in accordance with the risk assessment process mentioned in the paper and successfully explains which members to inspect, where to inspect, and how to inspect. At last the inspection interval is recommended based on the field structural monitoring data and it is economical and feasible.

Paper Details

Date Published: 17 April 2013
PDF: 8 pages
Proc. SPIE 8695, Health Monitoring of Structural and Biological Systems 2013, 86953D (17 April 2013); doi: 10.1117/12.2009762
Show Author Affiliations
Xiao Mei, Shanghai Maritime Univ. (China)
Dashan Dong, Shanghai Maritime Univ. (China)
Chen Wang, Shanghai Maritime Univ. (China)
Xinyuan Wang, Shanghai Maritime Univ. (China)


Published in SPIE Proceedings Vol. 8695:
Health Monitoring of Structural and Biological Systems 2013
Tribikram Kundu, Editor(s)

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