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| Content Provider | Springer Nature Link |
|---|---|
| Author | Brückner, A. Ortlepp, R. Curbach, M. |
| Copyright Year | 2007 |
| Abstract | Test results indicate that thin layers of concrete utilizing textile reinforcement can be used as shear strengthening for Reinforced Concrete (RC)-T-beams thereby increasing the shear capacity of these particular types of beams. Serviceability properties are also improved; in particular, the amount of deflection is reduced, as well as crack widths. This article provides a comprehensive discussion of the detail of force transfer from the textile reinforced strengthening layer to the existing concrete of RC-members, as well as the characteristics of the individual failure levels. In addition, the effects from adhesive tensile bond and shear bond are described in detail, and the interrelationship between the transferable bond force and the associated bond length is shown. The load carrying capacity of the bond represents a critical load for highly reinforced strengthening layers. Furthermore, this article shows how, in these particular cases, the effects of strengthening can be further increased by the application of additional mechanical anchoring in the pressure zone.Il est montré avec les résultats d’essai, que les minces couches avec une armature textile peuvent être utilisée pour un renforcement de force transversale des poutres en T en béton armé. La capacité portante de relevé peut être agrandie par un renforcement des poutres en T. Il se montre, que la qualité d’état de service peut être bonifiée. Ce sont surtout les flèches réduites et les larges de fissure plus petits. Le détail de la transmission de la force du renforcement armé textile au vieux béton est examiné pleinement. On évoque les particularités des différents modes de défaillance. Les effets d’adhérence de tension adhésif et de ciseaux sont décrits en détail, et le rapport entre la force d’adhérence transférable et la longueur d’ancrage adéquat est montré. Avec des couches haut-renforcées de renforcement la capacité portante d’adhérence représente une charge critique. On montre comment l’effet de renforcement en ces cas peut être encore augmenté par une ancrage mécanique additionnel dans la zone comprimée. |
| Starting Page | 407 |
| Ending Page | 418 |
| Page Count | 12 |
| File Format | |
| ISSN | 13595997 |
| Journal | Materials and Structures |
| Volume Number | 41 |
| Issue Number | 2 |
| e-ISSN | 18716873 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2007-06-06 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Textile T-beam Anchoring Strengthening Reinforced concrete Building Materials Civil Engineering Operating Procedures, Materials Treatment Mechanical Engineering Theoretical and Applied Mechanics Structural Mechanics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Building and Construction Mechanics of Materials Materials Science Civil and Structural Engineering |
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