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Comparison between BKR and Eurocode for the design of a hall building.
Linköping University, Department of Science and Technology. Linköping University, The Institute of Technology.
2011 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
Jämförelse mellan BKR och Eurokod vid konstruktion av en hallbyggnad (Swedish)
Abstract [en]

The purpose of this paper is to examine what kind of differences could be found in the design of a hall building in the transition from BKR to Eurocode. The paper responds to how the Eurocodes affects construction, how the prices will change, how the design and control will change and how that will affect the work of a construction engineer. The survey was conducted through literature reviews, interviews and by examining a project conducted by Fastec Sverige AB. The planning of the project was implemented in BKR and selected parts were compared with an equivalent design according to Eurocode. The studied project is a new building ordered by GJS Verktygs AB. Eurocodes are shared design rules for the EU and EFTA member countries. Some national adjustments are allowed in the form of nationally selected parameters, so called NDP. Chosen changes will be set out in the National Annex, NA. The Swedish version of the Eurocodes, NA, refers to Boverket's and Trafikverket's regulations EKS and VVFS. In comparision between Eurocode and BKR the most striking difference is the amplitude of the Eurocodes. Due to a higher level of details, the number of pages are significantly greater in Eurocode than in BKR. Another important difference is that other formulas for calculation are used in the Eurocodes. In dimensioning, no major changes to concrete or steel designs are expected. Thereby no increased costs are expected. In contrast, the glulam stucture dimensions will alter and costs increase. Indirect costs for companies like Fastec Sverige AB will also increase as the Eurocodes cost considerably´more to buy than the BKR. Initially, productivity will also lessen with the initial time it takes to learn how to use the new standards. Since no manuals regards steel and timber structures, designers must make their own interpretations of the Eurocodes.

Abstract [sv]

Syftet med denna uppsats ar att undersoka vilka skillnader pa konstruktionen av en hallbyggnad som uppkommer vid overgangen till Eurokod. Uppsatsen svarar pa hur Eurokoderna paverkar konstruktionen, hur priset forandras, hur utforande och kontroll forandras och hur en konstruktors arbete forandras pa grund av Eurokoderna. Undersokningen har genomforts genom litteraturstudier, intervjuer samt genom att en projektering genomford av Fastec Sverige AB har studerats. Projekteringen ar genomford enligt Boverkets konstruktionsregler, BKR, och utvalda delar har jamforts med en likvardig projektering enligt Eurokod genomford av forfattaren. Det studerade projektet ar en nybyggnation at GJS Verktygs AB. Eurokoder ar gemensamma konstruktionsregler for EUs samt frihandelsorganisationen EFTAs medlemslander. Viss nationell anpassning far goras i form av nationellt valda parametrar, sa kallade NDP. Valen aterges i den nationella bilagan, NA. De svenska versionerna av Eurokoderna hanvisar i NA vidare till Boverkets och Trafikverkets foreskrifter EKS och VVFS. I Eurokoderna uppkommer en rad forandringar mot tidigare regelverk. Mest slaende ar omfattningen. Pa grund av en hogre detaljeringsgrad ar antalet sidor betydligt storre an for BKR. Skillnaderna bestar ocksa i att Eurokoderna anvander andra formler vid berakningar. Vid dimensioneringen framkommer att inga storre forandringar av betong- eller staldimensioner kan forvantas, saledes bor inte kostnaderna oka. Daremot kommer limtrastommens dimensioner oka vilket gor att kostnaden for stommen okar. Indirekta kostnader for foretag liknande Fastec Sverige AB okar ocksa eftersom Eurokoderna kostar betydligt mer i inkop an vad BKR har gjort. BKR har kunnat laddas ned gratis fran Boverkets hemsida eller bestallas i tryckt kopia till sjalvkostnadspris. Inledningsvis blir dessutom produktiviteten samre da det tar tid att lara sig de nya standarderna. Eftersom det inte finns nagra handbocker till stal- och trakonstruktioner maste konstruktorerna gora sina egna tolkningar av texten i Eurokoderna.

Place, publisher, year, edition, pages
2011. , 31 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-93177ISRN: LiU-ITN-TEK-G--11/019--SEOAI: oai:DiVA.org:liu-93177DiVA: diva2:623893
Subject / course
Civil Engineering
Supervisors
Examiners
Available from: 2013-05-29 Created: 2013-05-27 Last updated: 2013-05-29Bibliographically approved

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CiteExportLink to record
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