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Effektivare sprickbreddsberäkning för böjda och dragna betongtvärsnitt
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Applied Mechanics, Byggteknik.
2015 (Swedish)Independent thesis Advanced level (professional degree), 10 credits / 15 HE creditsStudent thesisAlternative title
Effective crack width calculation for bent and drawn concrete cross-section (English)
Abstract [sv]

I detta examensarbete redogörs för hur sprickbredder för betongkonstruktioner beräknas, enligt gällande norm. Speciellt fokus har lagts på hur tvärsnittsanalysering för böjda tvärsnitt, med avseende på betongens långtidseffekter, påverkar sprickbredder. Även hur normen styr den minsta mängd sprickfördelande armering som erfordras för betongkonstruktioner med dragspänningar redovisas. Resultatet är ett beräkningsdokument upprättat i excel, som beräknar sprickbredder för böjda och dragna tvärsnitt, som följer de krav som ställs av gällande norm. 

Abstract [en]

This thesis describes how the crack widths of concrete structures is calculated, according to current standards. Special focus has been placed on how the cross-sectional analysis of bent cross- sections, with respect to the concrete's long-term effects, affects crack widths. Although the standard guide to the minimum amount reinforcement for crack control required for concrete structures with tensile stress are reported. The result is a calculation document drawn up in Excel that calculates crack widths for bent and drawn cross- section, which follows the requirements of the current standard. 

Place, publisher, year, edition, pages
Keyword [sv]
Eurokod, sprickbreddsberäkning, minimiarmering, krympning, krypning
National Category
Building Technologies
URN: urn:nbn:se:uu:diva-269943ISRN: UTH-INGUTB-EX-B-2015/33-SEOAI: diva2:885536
Educational program
Bachelor Programme in Construction Engineering
Available from: 2015-12-21 Created: 2015-12-18 Last updated: 2015-12-21Bibliographically approved

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