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Concrete Sewer Pipe Corrosion Induced By Sulphuric Acid Environment

Authors: Romanova, Anna; Mahmoodian, Mojtaba; Chandrasekara, Upul; Alani, Amir;

Concrete Sewer Pipe Corrosion Induced By Sulphuric Acid Environment

Abstract

{"references": ["G. H. Koch, M. P. H. Brongers, N. G. Thompson, Y. P. Virmani J. H.\nPayer, \"Corrosion Costs and Preventive Strategies in the United States,\"\nNACE International, 2002.", "CPAA, Report: \"Concrete Pipe Facts.\" Available online, 2014.", "W. Kaempfer and M Berndt, \"Polymer modified mortar with high\nresistance to acid corrosion by biogenic sulphuric acid,\" Proceedings of\nthe IX ICPIC Congress, Bologna, Italy, 1998, pp. 681-687.", "Water UK, Report: \"Expenditure variables \u2013 Wastewater.\" Available\nonline, 2013.", "Water UK, Report: \"Industry Data Share 2013.\" Available online, 2013.", "E. Vincke, \"Biogenic sulfuric acid corrosion of concrete: microbial\ninteraction, simulation and prevention,\" PhD Thesis, Faculty of Bioengineering\nScience, University Ghent, Ghent, Belgium, 2002.", "C. D. Parker, \"The Corrosion of Concrete .1. The Isolation of a Species\nof Bacterium Associated with the Corrosion of Concrete Exposed to\nAtmospheres Containing Hydrogen Sulphide,\" Australian Journal of\nExperimental Biology and Medical Science, 23, vol. 2, 1945, pp. 81-90.", "C. D. Parker, \"The Corrosion of Concrete .2. The Function of\nThiobacillus-Concretivorus (Nov-Spec) in the Corrosion of Concrete\nExposed to Atmospheres Containing Hydrogen Sulphide, \" Australian\nJournal of Experimental Biology and Medical Science, 23, vol. 2, 1945,\npp. 91-98.", "J. Vollertsen and A. H. Nielsen, et al., \"Corrosion of concrete sewers -\nThe kinetics of hydrogen sulfide oxidation,\" Science of the Total\nEnvironment, 394, vol. 1, 2008, pp. 162-170.\n[10] F. Jahani, J. Devinny, et al., \"Investigations of sulphuric acid corrosion\nof concrete. I: Modeling and chemical observations,\" Journal of\nEnvironmental Engineering-Asce, 127, vol. 7, 2001, pp. 572-579.\n[11] F. Jahani, J. Devinny, et al., \"Investigations of sulphuric acid corrosion\nof concrete. II: Electrochemical and visual observations.\" Journal of\nEnvironmental Engineering-Asce, 127, vol. 7, 2001, pp. 580-584.\n[12] N. De Beliea, J. Monteny, A. Beeldens, E. Vincke, D. Van Gemert and\nW. Verstraete, \"Experimental research and prediction of the effect of\nchemical and biogenic sulphuric acid on different types of commercially\nproduced concrete sewer pipes,\" Cement and Concrete Research, 34,\n2044, pp. 2223-2236.\n[13] M. G. D. Gutierrez-Padilla, A. Bielefeldt, S. Ovtchinnikov, J. Pellegrino\nand J. Silverstein, \"Simple scanner-based image analysis for corrosion\ntesting: Concrete application,\" J. Materials Processing Technology, 209,\n2009, pp. 51-57.\n[14] E. O. Nnadi and J. Lizarazo-Marriaga, \" Acid Corrosion of Plain and\nReinforced Concrete Sewage Systems,\" J. of Materials in Civil\nEngineering, ASCE, 25, Sep 2013, pp. 1353-1356.\n[15] A. Alani, M. Mahmoodian, A. Romanova and A. Faramarzi, \"Advanced\nnumerical and analytical methods for assessing concrete sewers and their\nremaining service life,\" ICACE: Int. Conf. on Advances in Civil\nEngineering, Venice, Italy, June, 2014.\n[16] A. Romanova, A. Faramarzi, A. Mahmoodian and M. A. Alani, \"An\nevolutionary polynomial regression (EPR) model for prediction of H2S\ninduced corrosion in concrete sewer pipes\", Prof. of Int. Conf. on\nHydroinformatics, New York, USA, August, 2014."]}

Corrosion of concrete sewer pipes induced by sulphuric acid attack is a recognised problem worldwide, which is not only an attribute of countries with hot climate conditions as thought before. The significance of this problem is by far only realised when the pipe collapses causing surface flooding and other severe consequences. To change the existing post-reactive attitude of managing companies, easy to use and robust models are required to be developed which currently lack reliable data to be correctly calibrated. This paper focuses on laboratory experiments of establishing concrete pipe corrosion rate by submerging samples in to 0.5pH sulphuric acid solution for 56 days under 10ºC, 20ºC and 30ºC temperature regimes. The result showed that at very early stage of the corrosion process the samples gained overall mass, at 30ºC the corrosion progressed quicker than for other temperature regimes, however with time the corrosion level for 10ºC and 20ºC regimes tended towards those at 30ºC. Overall, at these conditions the corrosion rates of 10 mm/year, 13,5 mm/year and 17 mm/year were observed.

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Keywords

construction, Sewer pipes, civil_eng, sulphuric acid, built, corrosion rate., concrete corrosion, concrete coupons

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