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Ett modernare sätt att dimensionera: En jämförelse för Huvudstaprojektet, FEM-design eller handberäkning ?
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering.
2014 (Swedish)Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesisAlternative title
A Modern Way To Design : A comparison of FEM and manual design for Huvudsta projektet (English)
Abstract [sv]

Detta examensarbete har genomförts i samarbete med Peab där teknologerna haft Tomas Schäfer och Peter Jansson som handledare.

I denna rapport behandlas hur en specifik påbyggnad beläget i Huvudsta centrum skulle kunna ha dimensionerats annorlunda. Den ursprungliga stommen beräknades med de gamla konstruktionsreglerna BKR men vid byggstart var Eurocode de aktuella dimensioneringsreglarna. Därför fick huset lättas ner för att kunna uppfylla de striktare Eurocodekraven.

Den aktuella stommen beräknades med handberäkningar vilket jämfördes med resultatet från samma stomme beräknad av ett beräkningsvertyg, FEM-design 3D Structure. Rapporten bygger på hur en konstruktör ska gå tillväga för att sammanfoga produktionsmodellen och analysmodellen för att kunna dimensionera i BIM-format.

Skillnaden i resultat var en besparing på 50% i inköpt stål och ungefär 40% i arbetskostnad. Totalt har vi beräknat en besparing på 141000 kronor för PEAB.

Abstract [en]

This theses has been conducted in collaboration with Peab where the students had Tomas Schäfer and Peter Jansson as supervisors.

This report addresses how a specific secondary build up, located in Huvudsta Centrum, could had been designed differently. The original frame was designed with the old BKR construction rules. But at the construction start a new construction standard was applied, the Eurocode. Therefore, the house got decreased in weight to meet the stricter Eurocode requirements.

The current frame was designed using manual methods, which were compared with the results from the same frame calculated with a computer programme, FEM-Design 3D Structure. The report is based on the know-how of how a designer should proceed to join the production model and the analytical model. This to be able to designed in a BIM environment.

The difference in results, between the two methods, was about 50% reeducation in purchased steel and about 40% in design-engineer costs. We have estimated a total saving of 141000 SEK for Peab.

Place, publisher, year, edition, pages
2014. , 34 p.
Keyword [sv]
BIM, BIM-verktyg, FEM-design 3D structure, konstruktion, analysmodell.
National Category
Civil Engineering
Identifiers
URN: urn:nbn:se:kth:diva-174889OAI: oai:DiVA.org:kth-174889DiVA: diva2:859755
External cooperation
Peab bostad
Educational program
Bachelor of Science in Engineering - Constructional Engineering and Design
Examiners
Available from: 2015-10-08 Created: 2015-10-08 Last updated: 2015-10-08Bibliographically approved

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Citation style
  • apa
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Output format
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