Deterioration of cement-based materials due to the action of organic compounds |
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| Affiliation: | 1. Human Performance Laboratory, Technological and Higher Education Institute of Hong Kong, Room 313, 20A, Tsing Yi Road, Tsing Yi Island New Territories, Hong Kong, China;2. Department of Health and Physical Education, The Hong Kong Institute of Education, D4-2/F-03, Block D4, 10 Lo Ping Road, Tai Po, N.T., Hong Kong, China;3. Department of Building and Real Estate, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China;1. School of Geoscience and Technology, Southwest Petroleum University, No. 8, Xindu Road, Xindu District, Chengdu, Sichuan Province 610500, China;2. Department of Geology, Kansas State University, 207 Thompson Hall, Manhattan, KS 66506, USA;1. Department of Chemical Engineering, Monash University, Wellington Road, Clayton − VIC 3800, Australia;2. Australian Synchrotron, 800 Blackburn Road, Clayton − VIC 3168, Australia;1. Instituto Tecnologico de Aguascalientes, Av. Adolfo López Mateos No. 1801 Ote. C.P, Aguascalientes, Ags, 20256, Mexico;2. Instituto Nacional del Carbon, INCAR-CSIC, Apartado 73, E-33080, Oviedo, Spain |
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| Abstract: | Due to the growing extent of the sources of aggressive media, the concrete structures may be exposed to the action of organic species.The paper presents the results of the long-term study on the action of various organic substances on the cement-based material. The results obtained show the different aggressivity of the solutions of phenols, carboxylic acids and sulphonic compounds. Petroleum and mineral oil have been shown as unaggressive media. Observed increased expansions followed by crack propagation at the action of some media were adjudged to the cooperation of the mechanism of acidic attack and dispersive effect of surface activity of organic substances. |
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