Latest revision as of 14:16, 12 February 2021

Abstract

Arch bridges were the first constructions with considerable spans built by man, due to the materials and technologies available at that time. Afterwards, these works of art have diversified and are now solutions used in countless situations, especially when crossing deep valleys.</jats:p><jats:p>Both their economic and architectonic aspects are hard to combat and have led to selecting this type of structure for more and more locations.</jats:p><jats:p>The paper will contain a brief presentation of some aspects regarding upper path concrete arch bridges composition and design methods. Also, it will have a case study regarding structural stresses over the different construction stages, and for several support hypotheses.</jats:p><jats:p>The case study will reflect the Crivadia viaduct, situated on DN 66, at km 150+672. The bridge has a main span of 59.20m and an overall height of 15.00m, serving a 7.80m wide carriageway and two 2.20m wide footways. It has a total length of 107.60m. </jats:p><jats:p>Based on the results of the case study, conclusions will be drawn regarding stress variation over the construction stages and under different support hypothesis, comparing these with the initial results.

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• https://content.sciendo.com/downloadpdf/journals/rjti/5/2/article-p61.pdf under the license https://creativecommons.org/licenses/by-nc-nd

• http://www.degruyter.com/view/j/rjti.2016.5.issue-2/rjti-2016-0049/rjti-2016-0049.xml?format=INT,

https://doaj.org/toc/2286-2218 under the license cc-by-nc-nd

• https://content.sciendo.com/view/journals/rjti/5/2/article-p61.xml,

https://content.sciendo.com/downloadpdf/journals/rjti/5/2/article-p61.xml,

http://dx.doi.org/10.1515/rjti-2016-0049

• https://content.sciendo.com/view/journals/rjti/5/2/article-p61.xml?language=en,

https://core.ac.uk/display/88050767,

https://academic.microsoft.com/#/detail/2590517347 under the license http://creativecommons.org/licenses/by-nc-nd/4.0