Experimental Study on Flexural Behavior of Reinforced Concrete Beams Corroded by Chloride Ion

EasyChair Preprint 6076

Abstract

Corrosion of reinforcing steel in concrete is one of the primary causes of deterioration of reinforced concrete (RC) structures. This paper presents an experimental research on flexural behavior of reinforced concrete (RC) beams corroded by chloride ion Cl^-. Two identical RC beams with dimensions of 150 × 200 × 2200 mm were cast in which one beam without corrosion as control beam specimen. Accelerated corrosion test by electro-chemical corrosion method was conducted on other RC beam, until cracks, caused by corroded steel bars, appeared on the beam surfaces. Next, the control and corroded beams were subjected to a four-point bending test until failure. The obtained experimental results allow to clarify the flexural behavior of corroded RC beam when the reinforcement is corroded. Next, a load-carrying capacity model is proposed to quantitatively estimate the residual flexural strength of corroded RC beam.

Keyphrases: Detetioration, RC beam, concrete cover, steel corrosion

@booklet{EasyChair:6076,
  author    = {Trung Hieu Nguyen and Van Quang Nguyen and Phuoc Lanh Le and Manh Hung Nguyen},
  title     = {Experimental Study on Flexural Behavior of Reinforced Concrete Beams Corroded by Chloride Ion},
  howpublished = {EasyChair Preprint 6076},
  year      = {EasyChair, 2021}}