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Utdragskapacitet Sidokoppling Håldäck
Halmstad University, School of Business, Engineering and Science.
Halmstad University, School of Business, Engineering and Science.
2017 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

To achieve structural integrity in precast concrete systems, connections between elements must be capable to transfer both vertical and horizontal loads which puts high demands on single ties.

Hollow-core slabs are often used to stabilize the structural system which puts high demands on the connections between the slab and the buildings stabilizing units. Because of this, the connections need to withstand high tensile and shear forces.

The purpose of this report is to investigate the tensile capacity of tie-connections used between hollow-core slabs that are parallel with e.g. stabilizing walls and compare with current design methods. Current design methods suggest that tensile failure will occur in the roof and bottom of the cores which provides low design capacities. Two connections are investigated through full scale pull-out tests where the results are compared with the design methods.

The results from testing the tensile capacity show that the failure module occurred as suggested. However, the tests show significantly higher capacity than proposed by the design methods.

Eurocodes Design assisted by testing are applied to the test result and a new design method is proposed. Both provides design values that are approximately twice as large as the values suggested in previous design methods. 

Place, publisher, year, edition, pages
2017. , 96 p.
Keyword [en]
concrete, precast concrete, hollow-core slabs, joints, tie-connections, tensile capacity, pull-out test, accidental loads, progressive collapse
Keyword [sv]
betong, prefabricerad betong, håldäckselement, förband, koppling, dragkapacitet, utdragsprov, olyckslast, fortskridande ras
National Category
Construction Management Building Technologies
Identifiers
URN: urn:nbn:se:hh:diva-34506OAI: oai:DiVA.org:hh-34506DiVA: diva2:1118854
Subject / course
Construction
Supervisors
Examiners
Available from: 2017-07-03 Created: 2017-07-02 Last updated: 2017-07-03Bibliographically approved

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fulltext(5421 kB)28 downloads
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf