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Prefabricated enduring composite beams based on innovative shear transmission (Preco-Beam)
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Prefabricated enduring composite beams based on innovative shear transmission (Preco-Beam)
Publication metadata
Composite structures are gaining in importance due to the economic and versatile application. A new form of shear transmission — the composite dowel — permits composite girders without an upper steel flange and with enduring shear connection. The composite dowel is produced by cutting a rolled beam with a determined cutting-line into two parts. Due to the high degree of automation and of
prefabrication shorter construction times and less amount of work are possible. However, few experiences with continuous shear connectors have been gained so far. In the frame of the project ‘Prefabricated Enduring Composite Beams based on Innovative Shear Transmission’ the economic efficiency of these composite girders — Preco-Beams — is evaluated. The bearing behaviour is analysed by Finite Element Analysis on the one hand and wide-ranging test series concerning static and cyclic bearing behaviour as well as the resistance to fire on the other hand. The results are composed in a design guide containing design rules for composite dowels in girders under bending loads in accordance with the Eurocode. It includes recommendations for the performance of Preco-Beams concerning geometry, reinforcement and fire resistance. Several applications in practice are investigated and some pilot projects are realised which leads to first references in practice.
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Publication details
Related publications
Published:
2013-04-15
Corporate author(s):
Directorate-General for Research and Innovation
(
European Commission
)
Personal author(s):
Ikäheimonen, J
;
Wagner, R
;
Viefhues, E
;
Seidl, G
;
Berthellemy, J
;
Kożuch, M
;
Franssen, Jean-Marc
;
Mangerig, I
;
Hechler, O
;
Popa, N
;
Lundmark, R
;
Janssen, D
;
Lorenc, W
Themes:
Industrial research and development
,
Basic metals industry, steel industry
Subject:
building materials
,
building technique
,
industrial research
,
iron and steel industry
,
metal structure
,
prefabrication
,
research report
,
steel
PDF
ISSN
1831-9424
ISBN
978-92-79-24832-0
DOI
10.2777/9363
Catalogue number
KI-NA-25321-EN-N
PDF
ISSN
1831-9424
ISBN
978-92-79-24832-0
DOI
10.2777/9363
Catalogue number
KI-NA-25321-EN-N
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