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- W3085818889 abstract "As the main bearing structure of the crane, the girder structure determines its service life. While the girder structure meets the strength, stiffness, and stability, its fatigue life should be paid more attention. A strong impact will be caused by the overhead travelling crane running through the uneven track joint. Based on SolidWorks and automated dynamic analysis of mechanical systems, the virtual prototype of 480 t overhead travelling crane operation is established in this study. The operation simulation of various track height differences is carried out. Compared with the theoretical calculation of GB and ISO, the virtual prototype is verified. Through the strain test and finite-element calculation of stress of girder under the two working conditions including the main car with a load of 433 t running to the mid-span and span end of the girder, the stress concentration in the transition rounded corner of the girder is found. On the basis of the simulation load spectrum and finite-element static stress analysis, combined with the S–N curve of material, the fatigue damage and life prediction model of the 480 t overhead travelling crane girder is established. The minimum life of the dangerous part is obtained, providing a basis for the design and maintenance." @default.
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- W3085818889 date "2020-09-08" @default.
- W3085818889 modified "2023-09-26" @default.
- W3085818889 title "Analysis on fatigue life of overhead travelling crane girder under impact load for sustainable transport system" @default.
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- W3085818889 doi "https://doi.org/10.1049/iet-its.2019.0656" @default.
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