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Numerical modelling of fibre-reinforced concrete fatigue in bending

Cachim, P.B. / Figueiras, J.A. / Pereira, P.A.A.

A numerical model for the analysis of concrete under fatigue loading is presented. It is based on viscoplasticity theory, replacing time-dependent with cycle-dependent behaviour. The analysis is performed in a two-step procedure. Initially, loads are monotonically increased until they reach their maximum level of the cyclic process, which is done with a standard non-linear analysis. Then, with the loads fixed at the maximum level, the cycles are applied to the structure and a cycle-dependent analysis is executed. Some examples that illustrate the model behaviour are presented.

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Numerical modelling of fibre-reinforced concrete fatigue in bending

Cachim, P.B. / Figueiras, J.A. / Pereira, P.A.A.

A numerical model for the analysis of concrete under fatigue loading is presented. It is based on viscoplasticity theory, replacing time-dependent with cycle-dependent behaviour. The analysis is performed in a two-step procedure. Initially, loads are monotonically increased until they reach their maximum level of the cyclic process, which is done with a standard non-linear analysis. Then, with the loads fixed at the maximum level, the cycles are applied to the structure and a cycle-dependent analysis is executed. Some examples that illustrate the model behaviour are presented.

Numerical modelling of fibre-reinforced concrete fatigue in bending

Cachim, P.B. / Figueiras, J.A. / Pereira, P.A.A.

A numerical model for the analysis of concrete under fatigue loading is presented. It is based on viscoplasticity theory, replacing time-dependent with cycle-dependent behaviour. The analysis is performed in a two-step procedure. Initially, loads are monotonically increased until they reach their maximum level of the cyclic process, which is done with a standard non-linear analysis. Then, with the loads fixed at the maximum level, the cycles are applied to the structure and a cycle-dependent analysis is executed. Some examples that illustrate the model behaviour are presented.

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Titel:

Numerical modelling of fibre-reinforced concrete fatigue in bending

Beteiligte:

Cachim, P.B. (Autor:in) / Figueiras, J.A. (Autor:in) / Pereira, P.A.A. (Autor:in)

Erschienen in:

International Journal of Fatigue ; 24 ; 381-387

Erscheinungsdatum:

2002

Format / Umfang:

7 Seiten, 14 Quellen

ISSN:

DOI:

https://doi.org/10.1016/S0142-1123(01)00093-7

Medientyp:

Aufsatz (Zeitschrift)

Format:

Print

Sprache:

Englisch

Schlagwörter:

Faserbeton , Materialermüdung , Viskoplastizität , Biegen , mathematisches Modell , Stahlfaser , Ermüdungslebensdauer , zyklische Belastung

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