REPAIRING METHOD OF CONCRETE STRUCTURE

摘要

PURPOSE: A repairing method of a concrete structure is provided to improve joint force and cohesive property, since cement mortar is repaired by a spray method. CONSTITUTION: A repairing method of a concrete structure comprises following steps. A degraded part of a concrete structure(1) is eliminated. The removed part is filled with cement mortar for repair. An elongated groove(10) is inclined inward and downward on the inner surface(2) of the concrete structure. Polymercement mortar is applied through a spray method.