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En utvärdering av ett nyutvecklat betongbjälklag för fler bostadshus
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
An evaluation of a newly developed concrete floor for apartment buildings (English)
Abstract [sv]

Utvecklingen av framtidens flerbostadshus ställer höga krav på en bjälklagslösnings tekniska

egenskaper. Plattbärlagsbjälklaget som idag utgör det vanligaste förekommande

bjälklagsvalet vid uppförandet av flerbostadshus kan ses som en lösning som kombinerar en

god bärförmåga med stora möjligheter ur teknisk synpunkt.

Målet med denna undersökning har varit att jämföra det traditionella plattbärlaget med en

nyutvecklad bjälklagslösning baserad på produkten förspänt håldäcksbjälklag (HD/F).

Jämförelsen har utgått från de aktuella kraven som enligt Boverkets byggregler (BBR) idag

ställs på bjälklag och fokuserat på aspekter ur ljud, brand och fuktsynpunkt. Dessutom har

jämförelsen beaktat de maximala spännvidder som respektive lösning kan dimensioneras för.

Resultatet av de genomförda undersökningarna visade på att den nyutvecklade

bjälklagslösningen är tillräckligt konkurrenskraftig för att i framtiden få ett större användande

inom flerbostadshus. Medan plattbärlagets fördelar utmärker sig ur ljudsynpunkt möjliggör

dock användandet av den nyutvecklade lösningen längre spännvidder och kortare torktider.

Abstract [en]

The development of apartment buildings puts high demands on the technical characteristics of

floor systems. The lattice girder system which today represents the most commonly utilized

floor system when building apartment buildings, is characterized by a good load-bearing

ability along with great opportunities from a technical point of view.

The aim of this analysis was to compare the traditional lattice girder system with a newly

developed floor system based on hollow core slabs. The comparison is based on the current

technical requirements set by Boverkets byggregler (BBR) and has its main focus on subjects

related to sound, fire and moisture matters. The comparison has also accounted for the

maximum spans which can be used for each solution respectively.

The results of the investigation show that the newly developed floor system is competitive

enough to be used in future apartment buildings. While the advantages of the lattice girder

system are distinctive from a sound point of view, the utilization of the newly developed floor

solution enables longer spans and shorter curing time.

Place, publisher, year, edition, pages
2014. , 36 p.
Keyword [en]
Apartment buildings, concrete, the lattice girder system, hollow core slabs, statics
Keyword [sv]
Flerbostadshus, betong, plattbärlag, håldäck, statik, ljud, brand, torktider
National Category
Civil Engineering
Identifiers
URN: urn:nbn:se:kth:diva-174885OAI: oai:DiVA.org:kth-174885DiVA: diva2:859694
External cooperation
Skanska Stomsystem AB
Educational program
Bachelor of Science in Engineering - Constructional Engineering and Design
Supervisors
Examiners
Available from: 2015-10-08 Created: 2015-10-08 Last updated: 2015-10-08Bibliographically approved

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