NDLI: Experimental and analytical study of corroded shear-critical reinforced concrete beams

Content Provider	Springer Nature Link
Author	Khan, Inamullah François, Raoul Castel, Arnaud
Copyright Year	2013
Abstract	This paper presents the experimental results of two highly corroded shear-critical deep beams subjected to a chloride environment to assess the shear behavior of long-term-corrosion damaged beams. A 26-year-old reinforced concrete beam corroded by exposure to a chloride environment was cut into two small short-shear-span beams, or deep beams, which were tested under three point bending until failure, along with a control beam of the same age, same length and same cross-section (115 × 28 × 15 cm). Cracking and corrosion maps were drawn for the corroded beams in order to assess the corrosion. Force displacement curves were drawn for the corroded and control beams. After testing the beams until failure, the main steel bars and the stirrups were extracted from the beams and loss of mass was measured and plotted for both longitudinal and transverse reinforcement. It was noted that the loss of mass of transverse and longitudinal reinforcements had not had an important influence on the failure mode and it had not affected the load-bearing capacity of the beam. It was found that the stirrups came into action after the failure of the compression strut and thus decreased the ductility of the corroded beams. Analytical investigations were made to compare the experimental shear capacity with the theoretical value. Strut and tie model predictions were more accurate than the conventional sectional methods provided for in ACI 318-08 and Eurocode 2.
Starting Page	1467
Ending Page	1481
Page Count	15
File Format	PDF
ISSN	13595997
Journal	Materials and Structures
Volume Number	47
Issue Number	9
e-ISSN	18716873
Language	English
Publisher	Springer Netherlands
Publisher Date	2013-06-22
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Shear Deep beams Corrosion Reinforced concrete Strut-and-tie model Structural Mechanics Materials Science Theoretical and Applied Mechanics Operating Procedures, Materials Treatment Civil Engineering Building Materials
Content Type	Text
Resource Type	Article
Subject	Building and Construction Mechanics of Materials Materials Science Civil and Structural Engineering

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