Acidic resistance of materials based on the novel use of silica fume in concrete |
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| Affiliation: | 1. Ceramic Intellectual Property Information Center, Jingdezhen Ceramic Institute, Jingdezhen 333000, PR China;2. State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, PR China;3. National Engineering Research Center for Domestic & Building Ceramics, Jingdezhen Ceramic Institute, Jingdezhen 333000, PR China;1. Universiti Malaysia Pahang, Lebuhraya Tun Razak, 26300 Gambang, Malaysia;2. Department of Civil Engineering, College of Engineering, Universiti Malaysia Pahang, Lebuhraya Tun Razak, 26300 Gambang, Malaysia;3. Universiti Tun Hussein Onn Malaysia, 86400 Parit Raja, Malaysia;1. College of Chemistry, Liaoning University, Shenyang 110036, China;2. College of Chemistry and Life Science, Shenyang Normal University, Shenyang 110034, China;1. Research Institute for Physical Chemical Problems of the Belarusian State University, 14 Leningradskaya St., 220006, Minsk, Belarus;2. Sechenov First Moscow State Medical University, Institute for Regenerative Medicine, Moscow, 119991, Russia;1. Department of Water, Mining and Environment. Scientific and Technological Centre of Huelva, University of Huelva, 21007 Huelva, Spain;2. Sustainable Mining Engineering Research Group. Department of Mining, Mechanic, Energetic and Construction Engineering. Higher Technical School of Engineering, University of Huelva, 21007 Huelva, Spain;3. Department of Integrated Sciences—Faculty of Experimental Sciences, University of Huelva, 21007 Huelva, Spain;4. Department of Mining, Mechanical, Energy and Construction Engineering. Higher Technical School of Engineering. University of Huelva, 21007 Huelva, Spain |
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| Abstract: | The objectives of this paper are the results of a study on the acidic resistance of cement-based materials prepared with chemically modified silica fume (MSF). MSF seems to be a highly effective hardening accelerator of materials based on combinations of Portland cement and basic blast furnace slag and on this slag alone. Besides the mechanical properties chemical resistance is a very important engineering property of concretes. This is very interesting even with cement-based materials with a MSF application. It was a reason for the study on the acidic resistance of the cement-based materials when MSF was applied. Based on the observation of changes of chemical composition, pore structure and mechanical properties of the test specimens, a high acidic resistance was found on the cement-based materials when MSF was applied. This allowed a solution to the problem of insufficient acidic resistance of current cement-based materials which represents a crucial world-wide problem. |
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