Effect of self-healing agents on inorganic crack repair materials for concrete infrastructures
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In this study, innovative repair methods based on crack self-healing technologies using cementitious materials were suggested in order to prevent water leakage in concrete infrastructures such as slab, tunnel and water-retaining structure. Especially, this study aims to develop new inorganic repair materials as needed to follow the crack and its repair methods. Crack repair methods such as Coating Method (CM), Drilling & Filling Method (DFM) and Coating and DF Method (CDFM) for the practical industrial application were examined in comparison with normal crack repair method without self-healing capability. From these results, it was confirmed that the sealing effects of water leakage through the penetrating cracks from field tests could be improved by cementitious composite materials with self-healing capability
Abstract
In this study, innovative repair methods based on crack self-healing technologies using cementitious materials were suggested in order to prevent water leakage in concrete infrastructures such as slab, tunnel and water-retaining structure. Especially, this study aims to develop new inorganic repair materials as needed to follow the crack and its repair methods. Crack repair methods such as Coating Method (CM), Drilling & Filling Method (DFM) and Coating and DF Method (CDFM) for the practical industrial application were examined in comparison with normal crack repair method without self-healing capability. From these results, it was confirmed that the sealing effects of water leakage through the penetrating cracks from field tests could be improved by cementitious composite materials with self-healing capability
참고문헌 (8)
- AHN, T.H., "Crack Self-healing Behavior of Cementitious Composites Incorporating Various Mineral Admixtures", Journal of Advanced Concrete Technology, 8(2), pp.171~186 (2010)
- AHN, T.H., "Investigation of crack self-healing composites incorporating inorganic materials for the water leakage prevention", Cement Science and Concrete Technology, (64), pp.477~484 (2010)
- AHN, T. H., "A study on inorganic crack repair materials based on application of crack self-healing technologies", Proceedings of the 11th JSMS Symposium on Concrete Structure Scenarios (2011)
- AHN, T.H., "Innovative Repair methods for Civil Infrastructures based on Crack Selfhealing Technologies using Cementitious Materials", 3rd International Conference on Self-Healing Materials 2011, pp.40~41 (2011)
- Kishi, T., "Field Test of Self-Healing Concrete on the Recovery of Water Tightness Fig. 13. Water-leakage cracks of actual concrete slab and application of new repair methods. Fig. 14. Repair results after 3 months later (Formation of crystallization on the surface of coating repair materials). to Leakage through Cracks", 3rd International Conference on Self-Healing Materials 2011, pp.297~298 (2011)
- AHN, T. H., "A study on crack repair materials incorporating inorganic materials for the water leakage prevention", 64th Japan Cement Symposium, pp.158~159 (2010)
- AHN, T. H., "New Repair Methods for Civil Infrastructures based on Crack Self-Healing Technologies", Proceedings of the 4th ACF (Asian Concrete Federation) International Conference (2010)
- A.E. Naaman, "Intergration of materials and structures :Cracking issue", Concrete Cracking Workshop (2005), ACBM