Summary
A method is proposed for calculating the residual working life of a frame structure from the viewpoint of failure mechanics. The method has been tested on the load-bearing frame of a KS-3575 track crane.
The size of a permissible defect has been calculated for the working life of the crane N=2.104 loading cycles and the maximum stress in the lower wall of the frame is σ=05σy (material steel 20).
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References
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Translated from Fiziko-Khimicheskaya Mekhanika Materialov, No. 6, pp. 35–40, November–December, 1992.
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Andreikiv, O.É., Pan'ko, I.M., Zazulyak, V.A. et al. Residual life calculations for frame structures working in bending. Mater Sci 28, 501–506 (1992). https://doi.org/10.1007/BF00724459
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DOI: https://doi.org/10.1007/BF00724459