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Long Term Prediction of the Delayed Behavior of Concrete Structures – The Case of the VERCORS Mock-Up

Aili, Abudushalamu / Torrenti, Jean Michel

The prediction of the long-term behavior of prestressed concrete structures is important in order to assess and/or extend the service life of such structures. Here, a modelling of the delayed strains (creep and shrinkage of concrete and relaxation of steel), based on the relations of the next Eurocode 2 (EC2), is used to predict the behavior of the internal vessel of the VERCORS mock-up of a French NPP. This modelling considers the influence of the temperature and of the relative humidity (varying under service conditions). The predicted delayed strains are compared with the measurements and different hypotheses are tested to improve the prediction of the delayed strains.

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Long Term Prediction of the Delayed Behavior of Concrete Structures – The Case of the VERCORS Mock-Up

Aili, Abudushalamu / Torrenti, Jean Michel

The prediction of the long-term behavior of prestressed concrete structures is important in order to assess and/or extend the service life of such structures. Here, a modelling of the delayed strains (creep and shrinkage of concrete and relaxation of steel), based on the relations of the next Eurocode 2 (EC2), is used to predict the behavior of the internal vessel of the VERCORS mock-up of a French NPP. This modelling considers the influence of the temperature and of the relative humidity (varying under service conditions). The predicted delayed strains are compared with the measurements and different hypotheses are tested to improve the prediction of the delayed strains.

Long Term Prediction of the Delayed Behavior of Concrete Structures – The Case of the VERCORS Mock-Up

Aili, Abudushalamu / Torrenti, Jean Michel

The prediction of the long-term behavior of prestressed concrete structures is important in order to assess and/or extend the service life of such structures. Here, a modelling of the delayed strains (creep and shrinkage of concrete and relaxation of steel), based on the relations of the next Eurocode 2 (EC2), is used to predict the behavior of the internal vessel of the VERCORS mock-up of a French NPP. This modelling considers the influence of the temperature and of the relative humidity (varying under service conditions). The predicted delayed strains are compared with the measurements and different hypotheses are tested to improve the prediction of the delayed strains.

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Title:

Long Term Prediction of the Delayed Behavior of Concrete Structures – The Case of the VERCORS Mock-Up

Additional title:

RILEM Bookseries

Contributors:

Rossi, Pierre (editor) / Tailhan, Jean-Louis (editor) / Aili, Abudushalamu (author) / Torrenti, Jean Michel (author)

Conference:

RILEM International Conference on Numerical Modeling Strategies for Sustainable Concrete Structures ; 2022 ; Marseille, France

Published in:

Numerical Modeling Strategies for Sustainable Concrete Structures ; Chapter: 2 ; 12-21

RILEM Bookseries ; 38

Publication date:

2022-07-01

Size:

10 pages

ISBN:

978-3-031-07746-3 , 978-3-031-07745-6

ISSN:

2211-0852 , 2211-0844

DOI:

https://doi.org/10.1007/978-3-031-07746-3_2

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Concrete , Creep , Shrinkage , Nuclear power plant Engineering , Building Materials , Structural Materials , Sustainable Development , Mathematical Modeling and Industrial Mathematics

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