Examining the Effect of Asphalt Plant Surplus Filler on Water and Chloride Ion Permeability of Cement Mortar

Abstract:

The penetration of water and chloride ion into the concrete is of factors that cause rust and corrosion in rebars by reaching the existing reinforcement surface in reinforced concrete structures. In this study, effect of using Asphalt Plant Surplus Filler as a partial replacement of cement with replacement values of 0, 5, 10, 15 and 20% on permeability and electrical resistance of cement mortar were investigated with the aim of decreasing cement consumption. In order to determine the penetration of water, 10 cubic specimens with the size of 150 mm were made and tested. In order to determine chloride ion penetration, 20 cylindrical specimens with a length of 50 and a diameter of 100 mm were studied at the ages of 28 and 56 days. To test the electrical resistivity of cement mortar, 30 cubic specimens with the size of 100 mm were tested at the ages of 7, 28 and 56 days. According to the results of the experiments, adding filler to the cement mortar enhances the penetration of water and chloride ion. Electrical resistivity generally increases with the increase of specimen age. Furthermore, the filler increment indicates the reduction of electrical resistivity.

• Periodical: Key Engineering Materials (Volume 765)
• Pages: 383-390
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.765.383
• Online since: March 2018
• Authors: Hadi Vafaeinejad*, Mahdi Kioumarsi
• Keywords: Cement, Cement Mortar, Chloride Ion Penetration, Electrical Resistance, Filler, Water Permeability

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