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There is a problem to be solved for improvement of durability and safety for concrete water tank. When the waterproofing and anticorrosive work of main concrete are design, the material and method of construction need to be correctly applied to appropriate circumstance conditions.Epoxy paint have mostly been used for concrete water tank structure. Lately, lots of subjects on adaption of reinforced resin mortar for waterproofing and anticorrosive are under discussion.Then, we attempt to approach by evaluating and comparing every capabilities with another waterproofing materials in this experiment.Capability evaluation items include the bond strength as on age and curing conditions, the bond strength after accelerated weathering test and freeze thaw test, impact resistance, a mount of water, seepage quanThrough the experiment analysis, we found that waterproofingtity, drinking water eluting and chemicals resistance. and anticorrosive resin mortar used with glass fiber cloth, inorganic and organic material is dominantly superior to other waterproofing materials.According to this paper, we suggest the resin mortar as a new surface treatment materal for concrete water tank structure.