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IJSTR >> Volume 9 - Issue 8, August 2020 Edition



International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616



Comparison Between Effectiveness Of Corrosion Protection Methods Commonly Used In Egypt

[Full Text]

 

AUTHOR(S)

Ibrahim Abdel-Latif

 

KEYWORDS

Corrosion, Concrete, Carbonation, Chloride, Corrosion Protection, Steel Coating, Concrete Coating, Corrosion Inhibitor.

 

ABSTRACT

From early sixties there has been a growing awareness that reinforced concrete structures can suffer severe deterioration in advance of its design life as a result of corrosion of the reinforcing steel. Generally, durability issues associated with reinforced concrete structures are some of the biggest problems the civil engineering community is facing today around the world. One of the most significant durability issues is the reinforcing steel corrosion, which leads to rust formation, cracking, spalling and degradation of structures. This is considered to be the main factor causing damage in bridges and other infrastructure. Many articles had been studied in details different causes of corrosion, corrosion mechanism, corrosion assessment and different protection methods. The main target of this research work is to investigate and compare between effectiveness of the protection methods most commonly used in Egypt. This will be done by comparing the results of corrosion resistance measured for the reinforced concrete specimens protected by each method individually with those of similar specimens without any protection. The used protection methods are: 1) Steel Coating with four different types of coatings (most commonly used in Egypt) with a varied number of layers. 2) Concrete Coating with a varied number of layers. 3) Concrete Admixture. 4) Combined method (Concrete Admixture + Concrete Coating). Corrosion resistance was measured by using accelerated corrosion technique where an external electric power combined with a highly concentrated sodium chloride solution were used to accelerate the corrosion process.

 

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