Thermomechanical Investigations for the Design of Reinforced Concrete Facings

Eva Maria Dorfmann; Dirk Schlicke; Viet Tue Nguyen

doi:10.1007/978-3-031-33211-1_11

Thermomechanical Investigations for the Design of Reinforced Concrete Facings

Eva Maria Dorfmann^*, Dirk Schlicke, Viet Tue Nguyen

^*Corresponding author for this work

Institute of Structural Concrete (2030)

Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

Abstract

The need for rehabilitation of existing structures is currently increasing and will continue to do so in the future. Reinforced concrete facings are considered an effective rehabilitation measure for damaged surfaces of massive concrete structures. The installation of the reinforcement for concrete facings, necessary for crack width control in the structure, is however time-consuming and expensive. The required reinforcement depends mainly on the development of the hydration heat and the resulting restrained deformations at an early age. This contribution presents a numerical model of the concrete facing and the existing structure for the simulation of the stress development due to the hardening of the concrete and the resulting crack formation. The results of the simulation should provide the basis for a future reinforcement optimization. For this purpose, the effect of different cements as well as the influence of the interaction with the existing structure are examined in this contribution.

Original language	English
Title of host publication	International RILEM Conference on Synergising expertise towards sustainability and robustness of CBMs and concrete structures
Place of Publication	Cham
Publisher	Springer Science and Business Media B.V.
Pages	116-124
Number of pages	9
ISBN (Print)	978-3-031-33210-4
DOIs	https://doi.org/10.1007/978-3-031-33211-1_11
Publication status	Published - 2023
Event	International RILEM Conference on Synergising Expertise towards Sustainability and Robustness of Cement-based Materials and Concrete Structures: SynerCrete 2023 - Milos Island, Greece Duration: 14 Jun 2023 → 16 Jun 2023 https://synercrete.com/

Publication series

Name	RILEM Bookseries
Volume	43
ISSN (Print)	2211-0844
ISSN (Electronic)	2211-0852

Conference

Conference	International RILEM Conference on Synergising Expertise towards Sustainability and Robustness of Cement-based Materials and Concrete Structures
Abbreviated title	SynerCrete '23
Country/Territory	Greece
City	Milos Island
Period	14/06/23 → 16/06/23
Internet address	https://synercrete.com/

Keywords

Concrete facing
Crack width
Early age
Numerical modelling

ASJC Scopus subject areas

Civil and Structural Engineering
Building and Construction
Mechanics of Materials

Access to Document

10.1007/978-3-031-33211-1_11

Cite this

Dorfmann, E. M., Schlicke, D., & Nguyen, V. T. (2023). Thermomechanical Investigations for the Design of Reinforced Concrete Facings. In International RILEM Conference on Synergising expertise towards sustainability and robustness of CBMs and concrete structures (pp. 116-124). (RILEM Bookseries; Vol. 43). Springer Science and Business Media B.V.. https://doi.org/10.1007/978-3-031-33211-1_11

Thermomechanical Investigations for the Design of Reinforced Concrete Facings. / Dorfmann, Eva Maria ; Schlicke, Dirk ; Nguyen, Viet Tue.
International RILEM Conference on Synergising expertise towards sustainability and robustness of CBMs and concrete structures. Cham: Springer Science and Business Media B.V., 2023. p. 116-124 (RILEM Bookseries; Vol. 43).

Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

Dorfmann, EM , Schlicke, D & Nguyen, VT 2023, Thermomechanical Investigations for the Design of Reinforced Concrete Facings. in International RILEM Conference on Synergising expertise towards sustainability and robustness of CBMs and concrete structures. RILEM Bookseries, vol. 43, Springer Science and Business Media B.V., Cham, pp. 116-124, International RILEM Conference on Synergising Expertise towards Sustainability and Robustness of Cement-based Materials and Concrete Structures, Milos Island, Greece, 14/06/23. https://doi.org/10.1007/978-3-031-33211-1_11

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N2 - The need for rehabilitation of existing structures is currently increasing and will continue to do so in the future. Reinforced concrete facings are considered an effective rehabilitation measure for damaged surfaces of massive concrete structures. The installation of the reinforcement for concrete facings, necessary for crack width control in the structure, is however time-consuming and expensive. The required reinforcement depends mainly on the development of the hydration heat and the resulting restrained deformations at an early age. This contribution presents a numerical model of the concrete facing and the existing structure for the simulation of the stress development due to the hardening of the concrete and the resulting crack formation. The results of the simulation should provide the basis for a future reinforcement optimization. For this purpose, the effect of different cements as well as the influence of the interaction with the existing structure are examined in this contribution.

AB - The need for rehabilitation of existing structures is currently increasing and will continue to do so in the future. Reinforced concrete facings are considered an effective rehabilitation measure for damaged surfaces of massive concrete structures. The installation of the reinforcement for concrete facings, necessary for crack width control in the structure, is however time-consuming and expensive. The required reinforcement depends mainly on the development of the hydration heat and the resulting restrained deformations at an early age. This contribution presents a numerical model of the concrete facing and the existing structure for the simulation of the stress development due to the hardening of the concrete and the resulting crack formation. The results of the simulation should provide the basis for a future reinforcement optimization. For this purpose, the effect of different cements as well as the influence of the interaction with the existing structure are examined in this contribution.

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Thermomechanical Investigations for the Design of Reinforced Concrete Facings

Abstract

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Keywords

ASJC Scopus subject areas

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