American Journal of Civil Engineering and Architecture
ISSN (Print): 2328-398X ISSN (Online): 2328-3998 Website: Editor-in-chief: Mohammad Arif Kamal
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American Journal of Civil Engineering and Architecture. 2016, 4(5), 171-180
DOI: 10.12691/ajcea-4-5-4
Open AccessArticle

Flexural Behavior of Post Tensioned Beams Damaged by Reinforcement Corrosion before and after Applying Patch-Repair

Niloufar Ghazanfari1, , Amir Manafpour2 and Mohammad shekarchi1

1Department of Civil Engineering, University of Tehran, Tehran, Iran

2Structural Design Engineer, Holbert Apple Associates, Inc., Olney, MD, USA

Pub. Date: September 27, 2016

Cite this paper:
Niloufar Ghazanfari, Amir Manafpour and Mohammad shekarchi. Flexural Behavior of Post Tensioned Beams Damaged by Reinforcement Corrosion before and after Applying Patch-Repair. American Journal of Civil Engineering and Architecture. 2016; 4(5):171-180. doi: 10.12691/ajcea-4-5-4


Corrosion is the major source of degradation in reinforced concrete structures, particularly in harsh environmental conditions. In literature, a number of research works has been carried out on the performance evaluation of the post-tensioned (PT) beams with the corroded PT cables, but very few are related to the PT beams with corroded plain reinforcement before and after applying repair. In this paper, the flexural behaviors of intact, corroded/deteriorated, and repaired PT beams are examined. In particular, the effects of patch repair with and without applying epoxy at the repair-substrate interface have been investigated. Based on the results, using high performance concrete materials as a patch-repair without epoxy at the repair-substrate interface applying can significantly re-store the structural performance of deteriorated PT beams.

post-tensioning corrosion spalling patch-repair epoxy

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