Application of UHPC joints of concrete elements

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F15%3A00234137" target="_blank" >RIV/68407700:21110/15:00234137 - isvavai.cz</a>
Alternative codes found
RIV/68407700:21610/15:00234137
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Application of UHPC joints of concrete elements
Original language description
Precast concrete elements are usually connected using joints filled with ordinary concrete. The joint must allow for a reliable transfer of tensile forces in steel reinforcement. If the joint is small the reinforcement must be connected by welding or by mechanical connectors. Welding of reinforcing steel is often not allowed and mechanical connectors may be expensive. If the joint is filled by ultra high performance concrete (UHPC), the tensile forces in steel reinforcement may be efficiently transferred. Extensive experimental research carried out at the CTU in Prague has proven that the anchorage length of the steel reinforcement and also that of prestressed steel in UHPC is significantly shorter than that in ordinary concrete. It allows for designing a very short overlaps of steel bars in UHPC. If the joint of precast elements is made of UHPC, it may be rather small and no welding or mechanical connection of steel is necessary. The joint may be produced easily and at reasonable costs. A series of experiments was designed and executed in order to evaluate the performance of joints subjected to shear and bending. The results of bond tests and the results of tests of joints will be presented in this paper.
Czech name
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Czech description
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Project
<a href="/en/project/TE01020168" target="_blank" >TE01020168: Centre for Effective and Sustainable Transport Infrastructure (CESTI)</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Fibre Concrete 2015 - Technology, Design, Application
ISBN
978-80-01-05683-7
ISSN
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e-ISSN
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Number of pages
6
Pages from-to
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Publisher name
České vysoké učení technické v Praze, Fakulta stavební
Place of publication
Praha
Event location
Praha
Event date
Sep 10, 2015
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
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