Current issue

Vol 3, No 1 (2020), page 102-107

Static analysis of bond between prestressing strand and UHPC exposed to elevated temperatures

David Čítek, Jindřich Čech, Petr Pokorný, Jiří Kolísko


This article deals with the numerical analysis of the bond of a prestressing strand with UHPC heated to elevated temperatures and subsequently cooled. Numerical analysis was performed with experimentally determined material properties of UHPC at a reference temperature of 20 °C and further after heating to temperatures of 200, 400 and 600 °C and subsequent annealing to normal temperature. The resulting deflection depending on the pulling force from the numerical analysis were compared with the experimental results. The results are used to configure the cement composite model for more demanding simulations of structures and load cases.



Elevated temperatures, UHPC, numerical analysis, prestressed concrete.

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