Investigation on the Sulfuric Acid Corrosion Mechanism for Concrete in Soaking Environment
Joint Authors
Source
Advances in Materials Science and Engineering
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-10, 10 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-05-07
Country of Publication
Egypt
No. of Pages
10
Abstract EN
This paper chooses the apparent diffusion coefficient for OH− (hydroxyl ion) for concrete as an index to evaluate the corrosion degree of concrete subjected to sulfuric acid.
Based on the reaction boundary layer theory, a sulfuric acid corrosion model for concrete was established and verified through experiments.
The experiment design and data processing of sulfuric acid corrosion tests for concrete were carried out using uniform test design and nonparametric regression.
Effects of water-cement ratio and pH value are presented on the sulfuric acid corrosion mechanism for concrete.
Test results show that when the pH value was 2.50, the sulfuric acid corrosion degree of concrete was the most serious.
The boundary layer effect always existed in the sulfuric acid corrosion for concrete, and the corrosion process included rapid and stable corrosion stages.
The apparent diffusion coefficient for OH− for concrete increased with the decrease of pH value and the increase of water-cement ratio and cement proportion.
American Psychological Association (APA)
Min, Hongguang& Song, Zhigang. 2018. Investigation on the Sulfuric Acid Corrosion Mechanism for Concrete in Soaking Environment. Advances in Materials Science and Engineering،Vol. 2018, no. 2018, pp.1-10.
https://search.emarefa.net/detail/BIM-1120347
Modern Language Association (MLA)
Min, Hongguang& Song, Zhigang. Investigation on the Sulfuric Acid Corrosion Mechanism for Concrete in Soaking Environment. Advances in Materials Science and Engineering No. 2018 (2018), pp.1-10.
https://search.emarefa.net/detail/BIM-1120347
American Medical Association (AMA)
Min, Hongguang& Song, Zhigang. Investigation on the Sulfuric Acid Corrosion Mechanism for Concrete in Soaking Environment. Advances in Materials Science and Engineering. 2018. Vol. 2018, no. 2018, pp.1-10.
https://search.emarefa.net/detail/BIM-1120347
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1120347