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Failure analysis of prestressed anchor bars
Citation
Elices Calafat, Manuel and Valiente Cancho, Andrés and Caballero Molano, Luis and Iordachescu, Mihaela and Fullea García, José and Sánchez Montero, J. and López Serrano, V. (2012). Failure analysis of prestressed anchor bars. "Engineering Failure Analysis", v. 24 ; pp. 57-66. ISSN 1350-6307. https://doi.org/10.1016/j.engfailanal.2012.03.007.
Description
| Title: | Failure analysis of prestressed anchor bars |
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| Author/s: |
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| Item Type: | Article |
| Título de Revista/Publicación: | Engineering Failure Analysis |
| Date: | September 2012 |
| ISSN: | 1350-6307 |
| Volume: | 24 |
| Subjects: | |
| Faculty: | E.T.S.I. Caminos, Canales y Puertos (UPM) |
| Department: | Ciencia de los Materiales |
| Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
Abstract
Three broken steel bars from a sewed crack in a dam are reported. The inspection of the fracture surfaces of the prestressed bars suggests that fractures were triggered by small cracks and by the inherent brittleness of the bars, as fracture toughness was about 40 MPa m1/2. The analysis of the failures shows that the usual design requirements for prestressing bars fail to warn against brittle failures if some damage exists. Some recommendations, based on the concept of damage tolerance, are suggested to avoid similar unfortunate incidents.
More information
| Item ID: | 16307 |
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| DC Identifier: | https://oa.upm.es/16307/ |
| OAI Identifier: | oai:oa.upm.es:16307 |
| DOI: | 10.1016/j.engfailanal.2012.03.007 |
| Official URL: | http://www.sciencedirect.com/science/article/pii/S... |
| Deposited by: | Memoria Investigacion |
| Deposited on: | 22 Oct 2013 08:02 |
| Last Modified: | 02 Oct 2014 22:56 |
