A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Effective strengthening of reinforced concrete corbels using post-tensioning
https://orcid.org/0000-0003-2119-1742
https://orcid.org/0000-0001-5106-0626
Abstract This paper focuses on a reinforced concrete corbel strengthening method using post-tensioning cables, or just using the prestressing strands themselves, which are led through additionally drilled cable ducts. The text describes a highly efficient method that has also other advantages besides efficiency, which are: the character of the structure of concrete columns with corbels does not change, the prestressing reinforcement is protected by the concrete both mechanically and against elevated temperatures, and it is easy to apply. Firstly, the paper briefly describes some of the other available methods. However, these methods usually utilize the surface of the concrete, which is often impaired. Additionally, the alternative methods cannot be used or are considered in practice to be insufficiently reliable in specific situations. The paper then describes the design, the actual implementation, and verification of the post-tensioning by measuring the concrete deformation on real columns and full-scale corbels. It also discusses the preliminary design using Strut-and-Tie method Other sections of the text describe the measurements on full-scale corbel specimens and the subsequent numerical analysis performed using advanced methods. The concordance of the results confirms the correctness of the implementation and the design of the described strengthening method.
Highlights Strengthening of RC corbels by post-tensioning using substitute cable ducts method. System validation via concrete deformation measured on real corbels and corbels models. Verification of the strengthening system using advanced numerical analysis.
Effective strengthening of reinforced concrete corbels using post-tensioning
https://orcid.org/0000-0003-2119-1742
https://orcid.org/0000-0001-5106-0626
Abstract This paper focuses on a reinforced concrete corbel strengthening method using post-tensioning cables, or just using the prestressing strands themselves, which are led through additionally drilled cable ducts. The text describes a highly efficient method that has also other advantages besides efficiency, which are: the character of the structure of concrete columns with corbels does not change, the prestressing reinforcement is protected by the concrete both mechanically and against elevated temperatures, and it is easy to apply. Firstly, the paper briefly describes some of the other available methods. However, these methods usually utilize the surface of the concrete, which is often impaired. Additionally, the alternative methods cannot be used or are considered in practice to be insufficiently reliable in specific situations. The paper then describes the design, the actual implementation, and verification of the post-tensioning by measuring the concrete deformation on real columns and full-scale corbels. It also discusses the preliminary design using Strut-and-Tie method Other sections of the text describe the measurements on full-scale corbel specimens and the subsequent numerical analysis performed using advanced methods. The concordance of the results confirms the correctness of the implementation and the design of the described strengthening method.
Highlights Strengthening of RC corbels by post-tensioning using substitute cable ducts method. System validation via concrete deformation measured on real corbels and corbels models. Verification of the strengthening system using advanced numerical analysis.
Effective strengthening of reinforced concrete corbels using post-tensioning
https://orcid.org/0000-0003-2119-1742
https://orcid.org/0000-0001-5106-0626
Abstract This paper focuses on a reinforced concrete corbel strengthening method using post-tensioning cables, or just using the prestressing strands themselves, which are led through additionally drilled cable ducts. The text describes a highly efficient method that has also other advantages besides efficiency, which are: the character of the structure of concrete columns with corbels does not change, the prestressing reinforcement is protected by the concrete both mechanically and against elevated temperatures, and it is easy to apply. Firstly, the paper briefly describes some of the other available methods. However, these methods usually utilize the surface of the concrete, which is often impaired. Additionally, the alternative methods cannot be used or are considered in practice to be insufficiently reliable in specific situations. The paper then describes the design, the actual implementation, and verification of the post-tensioning by measuring the concrete deformation on real columns and full-scale corbels. It also discusses the preliminary design using Strut-and-Tie method Other sections of the text describe the measurements on full-scale corbel specimens and the subsequent numerical analysis performed using advanced methods. The concordance of the results confirms the correctness of the implementation and the design of the described strengthening method.
Highlights Strengthening of RC corbels by post-tensioning using substitute cable ducts method. System validation via concrete deformation measured on real corbels and corbels models. Verification of the strengthening system using advanced numerical analysis.
Effective strengthening of reinforced concrete corbels using post-tensioning
Bobek, Lukáš (author) / Klusáček, Ladislav (author) / Svoboda, Adam (author)
Engineering Structures ; 305
2024-02-18
Article (Journal)
Electronic Resource
English
Effective strengthening of reinforced concrete corbels using post-tensioning
| Elsevier | 2024
Strengthening of reinforced concrete corbels with GFRP overlays
| Tema Archive | 2011
Behavior of reinforced concrete corbels
| British Library Online Contents | 2009
Design of reinforced concrete corbels
| British Library Online Contents | 2011
Shear strength of reinforced concrete corbels
| Online Contents | 2009