Abstract

Substitution of cement powder with sustainable waste products is the focus of research in concrete technology. Cow bone ash (CBA) was studied to determine its inhibition effect on Mild Steel corros...

Highlights

  • About 4,100 million metric tons of cement was produced in 2017 with negative consequence on the environment

  • Corrosion of reinforcing steel encased in concrete is the result of breakdown of the passive film formed within the high alkaline condition of the concrete (Briz, Biezm, & Bastidas, 2018)

  • This research aims to study the effect of cow bone ash corrosion resistance of mild steel in concrete pore solution

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Summary

Introduction

About 4,100 million metric tons of cement was produced in 2017 with negative consequence on the environment. Corrosion of reinforcing steel encased in concrete is the result of breakdown of the passive film formed within the high alkaline condition of the concrete (Briz, Biezm, & Bastidas, 2018). Partial replacement of cement in reinforced concrete causes chemical changes of the cement matrix in addition to changes in the pore solution and its pH value compared to ordinary Portland cement This necessitates the need to further study their effect on the electrochemical behaviour of the reinforcing steels (Loto & Busari, 2019; Perez, 2004). This research aims to study the effect of cow bone ash corrosion resistance of mild steel in concrete pore solution

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