Modelling of viscoelastic concrete behavior with respect to recent observations in macroscopic tests

Eva Maria Dorfmann; Dirk Schlicke; Viet Tue Nguyen

Modelling of viscoelastic concrete behavior with respect to recent observations in macroscopic tests

Eva Maria Dorfmann, Dirk Schlicke, Viet Tue Nguyen

Institut für Betonbau (2030)

Publikation: Beitrag in Buch/Bericht/Konferenzband › Beitrag in einem Konferenzband › Begutachtung

Abstract

This contribution presents a comparative study of different modelling assumptions for the effect of viscoelasticity on the stress development in hardening and restrained concrete. The goal was to analyze the performance of an alternate model developed by [1] and [2], which was developed with regard to the insights gained with measurements in several on-site monitorings in mass concrete as well as with restraining frame experiments.
The results of the presented comparative study indicate, that the experimentally observed effects of viscoelastic behaviour in hardening concrete cannot be consistently reproduced with the application of basic assumptions in today’s creep modelling, namely similarity of creep in tension and creep in compression as well as consequent application of superposition.

Originalsprache	englisch
Titel	Proceedings of the International Conference on Sustainable Materials, Systems and Structures (SMSS2019)
Untertitel	PhD Symposium
Herausgeber (Verlag)	RILEM Publications S.a.r.l.
Seiten	15-16
Band	PRO 128
ISBN (elektronisch)	978-2-35158-218-3
ISBN (Print)	978-2-35158-217-6
Publikationsstatus	Veröffentlicht - 2019
Veranstaltung	RILEM International Conference on Sustainable Materials, Systems and Structures - Rovinj, Croatia, Rovinj, Kroatien Dauer: 20 März 2019 → 22 März 2019 http://grad.hr/rilem.smss/

Konferenz

Konferenz	RILEM International Conference on Sustainable Materials, Systems and Structures
Kurztitel	SMSS 2019
Land/Gebiet	Kroatien
Ort	Rovinj
Zeitraum	20/03/19 → 22/03/19
Internetadresse	http://grad.hr/rilem.smss/

Fields of Expertise

Sustainable Systems

Andere Dateien und Links

http://www.grad.unizg.hr/_download/repository/6_PhD_Proceedings_FINAL.pdf

Dieses zitieren

Modelling of viscoelastic concrete behavior with respect to recent observations in macroscopic tests. / Dorfmann, Eva Maria ; Schlicke, Dirk ; Nguyen, Viet Tue.
Proceedings of the International Conference on Sustainable Materials, Systems and Structures (SMSS2019): PhD Symposium. Band PRO 128 RILEM Publications S.a.r.l., 2019. S. 15-16.

Publikation: Beitrag in Buch/Bericht/Konferenzband › Beitrag in einem Konferenzband › Begutachtung

Dorfmann, EM , Schlicke, D & Nguyen, VT 2019, Modelling of viscoelastic concrete behavior with respect to recent observations in macroscopic tests. in Proceedings of the International Conference on Sustainable Materials, Systems and Structures (SMSS2019): PhD Symposium. Bd. PRO 128, RILEM Publications S.a.r.l., S. 15-16, RILEM International Conference on Sustainable Materials, Systems and Structures, Rovinj, Kroatien, 20/03/19.

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title = "Modelling of viscoelastic concrete behavior with respect to recent observations in macroscopic tests",

abstract = "This contribution presents a comparative study of different modelling assumptions for the effect of viscoelasticity on the stress development in hardening and restrained concrete. The goal was to analyze the performance of an alternate model developed by [1] and [2], which was developed with regard to the insights gained with measurements in several on-site monitorings in mass concrete as well as with restraining frame experiments. The results of the presented comparative study indicate, that the experimentally observed effects of viscoelastic behaviour in hardening concrete cannot be consistently reproduced with the application of basic assumptions in today{\textquoteright}s creep modelling, namely similarity of creep in tension and creep in compression as well as consequent application of superposition.",

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AB - This contribution presents a comparative study of different modelling assumptions for the effect of viscoelasticity on the stress development in hardening and restrained concrete. The goal was to analyze the performance of an alternate model developed by [1] and [2], which was developed with regard to the insights gained with measurements in several on-site monitorings in mass concrete as well as with restraining frame experiments. The results of the presented comparative study indicate, that the experimentally observed effects of viscoelastic behaviour in hardening concrete cannot be consistently reproduced with the application of basic assumptions in today’s creep modelling, namely similarity of creep in tension and creep in compression as well as consequent application of superposition.

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