Strengthening and Rehabilitation of U-Shaped RC Bridges Using Substitute Cable Ducts

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dc.contributor.authorSvoboda, Adamcs
dc.contributor.authorKlusáček, Ladislavcs
dc.contributor.authorOlšák, Martincs
dc.coverage.issue8920718cs
dc.coverage.volume2019cs
dc.date.issued2019-11-30cs
dc.description.abstractThe presented paper deals with strengthening and rehabilitation of U-shaped reinforced concrete bridges from the period of 1905–1930 using post-tensioning, which is a suitable, reliable, and durable method. These bridges have two main beams pulled over the bridge deck, which is supported by cross girders. The cross girders connect the two main beams forming a half-frame in the transverse direction, which provides spatial rigidity to the structure. The spans of these bridges are usually between 15 and 25m. The high efficiency of post-tensioning can be seen on many implemented applications for bridge reconstructions worldwide. However, in this paper, the post-tensioning method is extended by a unique structural system of substitute cable ducts that allows for significantly expanding applicability of this method on existing concrete bridges. This method is highly recommended due to minimization of interventions into the constructions, unseen method of cable arrangement, and hence the absence of impact on appearance, which is appreciated not only in case of valuable historical structures but in general as well. In conclusion, the post-tensioning by monostrands in substitute cable ducts is a highly efficient method for strengthening of existing bridges in order to increase their load-bearing capacities in terms of current traffic load and to extend their service life. This method was also verified by monitoring the behavior of rehabilitated bridges before and after strengthening.en
dc.formattextcs
dc.format.extent1-21cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationAdvances in Materials Science and Engineering. 2019, vol. 2019, issue 8920718, p. 1-21.en
dc.identifier.doi10.1155/2019/8920718cs
dc.identifier.issn1687-8442cs
dc.identifier.orcid0000-0001-5106-0626cs
dc.identifier.orcid0000-0003-2119-1742cs
dc.identifier.orcid0000-0001-5325-511Xcs
dc.identifier.other160614cs
dc.identifier.researcheridV-8375-2019cs
dc.identifier.researcheridY-1937-2019cs
dc.identifier.scopus57197707954cs
dc.identifier.scopus6507300105cs
dc.identifier.scopus57203975457cs
dc.identifier.urihttp://hdl.handle.net/11012/184125
dc.language.isoencs
dc.publisherHindawi Limitedcs
dc.relation.ispartofAdvances in Materials Science and Engineeringcs
dc.relation.urihttps://www.hindawi.com/journals/amse/2019/8920718/cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1687-8442/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectU-shaped bridgesen
dc.subjectstrengtheningen
dc.subjectreconstructionen
dc.subjectpost-tensioningen
dc.subjectsubstitute cable ductsen
dc.subjectreinforced concreteen
dc.titleStrengthening and Rehabilitation of U-Shaped RC Bridges Using Substitute Cable Ductsen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-160614en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:44:18en
sync.item.modts2025.01.17 18:41:52en
thesis.grantorVysoké učení technické v Brně. Fakulta stavební. Ústav betonových a zděných konstrukcícs
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