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Bibliographic record number: 820945


Authors: Torić, Neno; Burgess, Ian W.; Brnić, Josip; Boko, Ivica; Turkalj, Goran; Čanađija, Marko; Harapin, Alen; Divić, Vladimir; Uzelac, Ivana
Title: A unified rheological model for analysis of steel behaviour at high temperature
Source: Structures in Fire, Proceedings of the Ninth International Conference / Moreyra Garlock, Maria E. ; Kodur, V.K.R. (ed). - Lancaster : DEStech Publications, Inc. , 2016. 1008-1015 (ISBN: 978-1-60595-320-5).
Meeting: Structures in Fire 2016
Location and date: New Jersey, USA, 08-10.06.2016.
Keywords: Steel ; creep ; fire ; coupon ; damper ; spring
This paper presents the theoretical background for development of a unified rheological model (URM) for low-carbon steel which is sensitive to the temperature and strain-rate effects during fire exposure. The proposed URM consists of a serial connection of two Kelvin-Voight (KV) rheological elements. Each KV element is used to simulate a particular material strain (stress-related and creep strain) in fire-affected steel. The first KV element is capable of taking into account strain- rate-governed change of yield strength and the second is sensitive to variation of heating rate. A verification of the proposed URM by using test data from transient coupon tests of steel Grade 275 is also presented.
Type of meeting: Predavanje
Type of presentation in a journal: Full-text (1500 words and more)
Type of peer-review: International peer-review
Project / theme: HRZZ-UIP-2014-09-5711
Original language: ENG
Category: Znanstveni
Research fields:
Civil engineering
Full paper text: 820945.Toric_089.pdf (tekst priložen 12. Lip. 2016. u 18:10 sati)
Contrib. to CROSBI by: Neno Torić (, 12. Lip. 2016. u 18:10 sati

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