2022
DOI: 10.32604/sdhm.2022.023851
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Vibration Characteristics Analysis and Structure Optimization of Catenary Portal Structure on Four-Wire Bridge

Abstract: The portal structure is the support equipment in the catenary, which bears the load of contact suspension and support equipment. In practical work, with the change of external forces, the support equipment bears complex and changeable loads, so it has higher requirements for its reliability and safety. In order to study the dynamic characteristics of catenary portal structure on continuous beam of four-way bridge, taking the catenary portal structure on Dshaping four-way bridge as the research object, the port… Show more

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Cited by 3 publications
(1 citation statement)
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“…By comparing the maximum displacements and stress response values from Reference [29], relative errors were found to be below 10%, validating the correctness of the finite element model for the bridge-portal structure. The specific data comparison results are shown in Table 5.…”
Section: Different Track Irregularitiesmentioning
confidence: 54%
“…By comparing the maximum displacements and stress response values from Reference [29], relative errors were found to be below 10%, validating the correctness of the finite element model for the bridge-portal structure. The specific data comparison results are shown in Table 5.…”
Section: Different Track Irregularitiesmentioning
confidence: 54%