Process for repairing concrete structures using pneumatically sp

Details Process for repairing concrete structures using pneumatically sp Process for repairing concrete structures using pneumatically sp

1976-04-19

1977-11-08

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 297SQ, 260 297SE, C08L 910

Patent

active

040575284

ABSTRACT:
Process for repairing concrete compositions using cement mortar compositions which are capable of being pneumatically sprayed and which provide unexpectedly enhanced bonding capabilities and resistance to slump; said compositions comprising essentially a substantially non-air entraining portland cement, mineral aggregate, a styrene-butadiene copolymer latex present on a solids basis in an amount of from about 5 to about 25 percent by weight of cement, and water in an amount sufficient to provide a total water to cement ratio of from 0.22 to 0.26.

REFERENCES:
patent: RE28722 (1976-02-01), Sanders
patent: 3043790 (1962-07-01), Sanders
patent: 3895953 (1975-07-01), Mekta

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