CONCRETE REPARING MATERIAL AGAINST SALT DAMAGE AND CARBONATION WITH CONTROLLABLE CURING TIME

摘要

The present invention includes a concrete repairing material containing magnesium phosphate cement consisting of ammonium phosphate and magnesium oxide and a retarder for delaying solidification of magnesia and phosphate cement curing time. Mortar for concrete repairing according to the present invention contains a magnesium phosphate cement consisting of ammonium phosphate and magnesium oxide and a retarder for delaying the magnesia and phosphate cement curing time. A ratio of ammonium phosphate and magnesium oxide is 70% or more.