| Autor: |
Belmas, Ivan, Kolosov, Dmytro, Onyshchenko, Serhii, Bilous, Olena, Tantsura, Hanna, Antonova, Kateryna |
| Zdroj: |
Key Engineering Materials; December 2024, Vol. 997 Issue: 1 p107-118, 12p |
| Abstrakt: |
The purpose of research is to justify a calculation method for a stay rope of composite fiber structure with a breakage in fiber continuity. Research methodology is in constructing and solving a deformation model of a composite fiber stay rope with continuity breakage of one of its fibers. The calculation method of a stress-strain state of a stay rope of composite fiber structure considering the breakage of one of its fibers is established. The scientific novelty of research is in determining that the length of manifestation of a local disturbance of a stress-strain state of composite stay rope is proportional to a square root of a ratio of tensile modulus of a reinforcing element material and shear modulus of an elastic material that connects them. The practical value of the research is in that the calculation method allows reasonable prediction of a tractive capacity loss of a stay rope as a result of breakage of any of its reinforcing elements. The known value of residual tractive capacity allows reasonable selection of a safety margin for a stay rope, which ensures a sufficient level of reliability of a cable-stayed bridge. |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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