Method for preventing hardened cementitious material from deteri

Details Method for preventing hardened cementitious material from deteri Method for preventing hardened cementitious material from deteri

1988-10-13

1990-06-05

Lusignan, Michael

Coating processes

Restoring or repairing

427403, B32B 3500

Patent

active

049313142

ABSTRACT:
The invention is a method for preventing a hardened cementitious material from deteriorating or for repairing a deteriorated cementitious material, and more particularly to such method for the hardened cementitious material comprising metal materials to be corroded by a salt content and cause alkali-aggregate. It is characterized by applying a cement paste, mortar or concrete added with 1-25 weight % lithium nitride relative to the cement content so as to cover the surface of hardened cementitious material.

REFERENCES:
patent: 4536417 (1985-08-01), Shimizu
patent: 4559241 (1985-12-01), Obitsu et al.

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