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KONTROLLBERÄKNING AV ETT TAKRAS PÅ EN TENNISHALL I NYKÖPING: En jämförelse mellan Eurokod och BKR
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Applied Mechanics, Byggteknik.
2013 (Swedish)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

“Boverket” the Design Regulations in Sweden, also called BKR has for a long time

been the mandatory standard that has guided and regulated construction design. But

at the end of 2010 BKR was replaced with Eurocode. This report deals with the

comparison of these two standards when it comes to wood construction. During

winter 2009/2010 there were many roof collapses due to excessive loads on the

roofs across Sweden. The majority of these roofs were made during 1980 when BKR

was the existing norm, therefore, this report will investigate whether there is a big

difference between designing of such roofs according to Eurocode instead of BKR.

These two norms were compared by looking at the design of roof structures that

consist of beams and columns. The roof beam was checked for buckling which is

designed to support the tennis center in Nyköping, and also a centrally loaded pillar

holding up the roof beam and superimposed loads.

The result of this investigation showed that to design according to Eurocode would

be more substantively economically because the design load bearing capacity becomes

slightly larger.

It was also observed that, there isn’t a big difference between designing according to

BKR or Eurocode, therefore these roof collapses couldn’t occur due to designing

according to BKR. Designing according to BKR is even safer, but not substantively

economically as Eurocode. A comparison between the results indicate that the slight

difference is mostly caused by the the differences between the parameters/coefficients

used for design.

The roof collapse in Nyköping was caused by carelessness or ignorance, this tennis

center is undersized.

Place, publisher, year, edition, pages
2013. , p. 70
Keywords [sv]
Examensarbete, Träkonstruktion, Takras, Tak bärverk, Jämförelse
National Category
Building Technologies
Identifiers
URN: urn:nbn:se:uu:diva-189939ISRN: ISRN UTH-INGUTB-EX-B-2012/17-SEOAI: oai:DiVA.org:uu-189939DiVA, id: diva2:582577
Educational program
Bachelor Programme in Construction Engineering
Uppsok
Technology
Supervisors
Examiners
Available from: 2013-01-10 Created: 2013-01-04 Last updated: 2013-01-10Bibliographically approved

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CiteExportLink to record
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