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The use of concrete reinforced with steel fibers is relatively limited in Latin America due to its high cost. However, its mechanical performance is very useful in the construction of reinforced concrete structures. This article describes and discusses the results of an experimental research, which reflects the chloride ion effects at a short term, on the durability properties of concrete reinforced with RC-65-35-BN steel fibers using dosages of 30 and 60 kg/m. In order to predict the effect of chloride ion on the steel fiber reinforced concrete, trends of corrosion were estimated during 56 days by half-cell potential and linear polarization resistance tests. Additionally, the surfaces of the steel fibers were analyzed by X-ray diffraction with the purpose to determinate the corrosion products that were generated. The obtained results demonstrates an adequate performance of the fibers embedded in the concrete for this phase of corrosion initiation, due to its low probability of corrosion.

Effect of Chloride Ion on the Durability Properties of RC-65/35-BN Steel Fiber Reinforced Concrete