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Ocena strižne nosilnosti prekladne konstrukcije obstoječih krajših armiranobetonskih mostov
ID Gošte, Neža (Author), ID Isaković, Tatjana (Author), ID Kreslin, Maja (Author)

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Abstract
V prispevku je z različnimi modeli ocenjena strižna nosilnost prekladne konstrukcije obstoječega krajšega armiranobetonskega premostitvenega objekta. Pri zagotavljanju varnosti tovrstnih starejših mostov je prav strižna nosilnost pogosto ključnega pomena, njena določitev z obstoječimi modeli pa je praviloma zahtevnejša in manj zanesljiva kot določitev upogibne nosilnosti. Zato smo strižno nosilnost ocenili z več različnimi modeli in primerjali rezultate. Uporabili smo veljavni standard Evrokod 2 (EC2), drugo generacijo standarda Evrokod 2 (EC2*) in Pravilnik za beton in armirani beton (PBAB). Rezultati so pokazali, da različni modeli za isti most dajejo precej različne ocene strižne nosilnosti. V obravnavanem primeru se je izkazalo, da oba Evrokoda podata nižje vrednosti strižne nosilnosti kot model PBAB, ki pri oceni hkrati upošteva prispevek betona in strižne armature.

Language:Slovenian
Keywords:strižna nosilnost, mostovi, primerjava modelov, Evrokod 2, PBAB
Work type:Article
Typology:1.04 - Professional Article
Organization:FGG - Faculty of Civil and Geodetic Engineering
Publication status:Published
Publication version:Version of Record
Year:2026
Number of pages:Str. 189-198
Numbering:Letn. 75, št. 3
PID:20.500.12556/RUL-189754 This link opens in a new window
UDC:539.415:624.012.45
ISSN on article:0017-2774
COBISS.SI-ID:300903939 This link opens in a new window
Publication date in RUL:15.10.2026
Views:32
Downloads:7
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Record is a part of a journal

Title:Gradbeni vestnik : glasilo Zveze društev gradbenih inženirjev in tehnikov Slovenije
Shortened title:Gradb. vestn.
Publisher:Zveza društev gradbenih inženirjev in tehnikov Slovenije
ISSN:0017-2774
COBISS.SI-ID:859140 This link opens in a new window

Licences

License:CC BY-SA 4.0, Creative Commons Attribution-ShareAlike 4.0 International
Link:http://creativecommons.org/licenses/by-sa/4.0/
Description:This Creative Commons license is very similar to the regular Attribution license, but requires the release of all derivative works under this same license.

Secondary language

Language:English
Title:Estimation of the shear capacity of decks in existing short reinforced concrete bridges
Abstract:
In the article, the shear capacity of the deck of an existing short reinforced-concrete bridge structure composed of T-girders was assessed using several different models. In ensuring the safety of such older bridges, shear capacity is often of key importance, while its determination using existing models is generally more demanding and less reliable than the determination of flexural capacity. For this reason, the shear capacity was evaluated using several different models and the results were compared. The assessment was carried out using the current Eurocode 2 standard (EC2), the new version of Eurocode 2 (EC2*) and the Code for Concrete and Reinforced Concrete (PBAB). The results showed that different models may provide significantly different estimates of shear capacity for the same bridge. In the case considered, both Eurocode approaches, yielded lower shear-capacity values than the PBAB model, which account simultaneously for the contributions of concrete and shear reinforcement in the assessment.

Keywords:shear capacity, bridges, model comparison, Eurocode 2, PBAB

Projects

Funder:ARIS - Slovenian Research and Innovation Agency
Project number:P2-0273
Name:Gradbeni objekti in materiali

Funder:ARIS - Slovenian Research and Innovation Agency
Project number:I0-0032
Name:Preizkušanje materialov in konstrukcij

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