SURFACE MODIFICATION METHOD OF CONCRETE STRUCTURE

摘要

PROBLEM TO BE SOLVED: To provide a surface modification method of a concrete structure for dissolution of irregular color generated on a surface layer of the concrete structure and capable of more surely dissolving the irregular color generated on the surface layer of the concrete structure than conventional means while reducing a risk for causing other adverse effects to the concrete structure that may be generated incidentally after execution thereof.SOLUTION: A surface modification method of a concrete structure is a method including an irregular color dissolution agent application process of applying an irregular color dissolution agent 1 to a surface of the concrete structure 10 and the irregular color dissolution agent 1 consists of acid having pH 2.0 to 7.0 and solubility of calcium of 0.2 g/100 mL or more.SELECTED DRAWING: Figure 1