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Reinforced UHPFRC Tension Chords

Reinforced UHPFRC Tension Chords
Auteur(s): ,
Présenté pendant 17th IABSE Congress: Creating and Renewing Urban Structures – Tall Buildings, Bridges and Infrastructure, Chicago, USA, 17-19 September 2008, publié dans , pp. 352-353
DOI: 10.2749/222137908796292894
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Ultra high performance fiber reinforced concrete (UHPFRC) has a compressive strength in the range of 200 MPa as well as improved durability properties compared to normal strength concrete. By the a...
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Détails bibliographiques

Auteur(s):

Médium: papier de conférence
Langue(s): anglais
Conférence: 17th IABSE Congress: Creating and Renewing Urban Structures – Tall Buildings, Bridges and Infrastructure, Chicago, USA, 17-19 September 2008
Publié dans:
Page(s): 352-353 Nombre total de pages (du PDF): 8
Page(s): 352-353
Nombre total de pages (du PDF): 8
Année: 2008
DOI: 10.2749/222137908796292894
Abstrait:

Ultra high performance fiber reinforced concrete (UHPFRC) has a compressive strength in the range of 200 MPa as well as improved durability properties compared to normal strength concrete. By the addition of short steel fibers the behavior of UHPFRC in compression and tension is affected in a beneficial way. However, for structural applications conventional reinforcement is still required

to obtain ductile failures. Although the mechanical properties of UHPFRC have been widely studied, UHPFRC is quite unexplored in practical applications. Therefore, the deformation behavior of UHPFRC tension chords reinforced with conventional as well as high-strength steel has been experimentally examined. In this paper an analytical model is presented which enables the calculation of the cracking and deformation behavior of reinforced UHPFRC elements in tension.