Corrosion of Concrete Using Portland Composite Cement and Rice Husk Ash under Simulated Acid Rain Environment

Irma Aswani Ahmad; Herman Parung; Muhammad Wihardi Tjaronge; Rudy Djamaluddin

doi:10.4028/www.scientific.net/AMR.789.511

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 789Corrosion of Concrete Using Portland Composite...

Corrosion of Concrete Using Portland Composite Cement and Rice Husk Ash under Simulated Acid Rain Environment

Abstract:

Cement production, which results in higher CO₂ levels, has a negative impact on environment. This phenomenon has caused the emergence of a new type of environmentally friendly cement, such as Portland Composite Cement (PCC). On the other hand, rainfall becomes high acidity level. This will be an issue in the construction of concrete, which causes concrete deterioration if value of pH is below 6. The purpose of this study is to investigate corrosion caused by acid rainfall when used PCC cement mixed with RHA. RHA replacement level of 5%, by weight of cement was used in this study. The compressive strength design was 30 MPa. The simulated acid rain solution was prepared by mixing solution of H₂SO₄ and HNO₃ to reach value pH of 4. The deterioration was measured by the number of corrosion product using SEM test. The results indicate a decrease in the number of component corrosion that occurs by using ASP.

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Periodical:

Advanced Materials Research (Volume 789)

Pages:

511-514

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.789.511

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Online since:

September 2013

Authors:

Irma Aswani Ahmad, Herman Parung, Muhammad Wihardi Tjaronge, Rudy Djamaluddin

Keywords:

Acid Rain, Corrosion, Husk Rice Ash, Portland Composite Cement, SEM

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