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Mike Konigstein

Richard K Brow

Signo T Reis

Genda Chen

A cementitious composite material wherein glass-coated steel rods are positioned in a cementitious matrix. The glass composition for coating the steel reinforcing rods includes between about 33-45 weight percent SiO, 13.5-19.5 weight percent BO, 3.5-4.6 weight percent AlO, 4.0-13.5 weight percent KO, 5.5-15.5 weight percent ZrO, 8.6-15.9 weight percent NaO, 4.6-5.1 weight percent CaO, 0.6-0.7 weight percent MnO, 1.0-1.0 weight percent NiO, and 1.0-1.1 weight percent CoO. The glass composition is typically in compression on the rods at ambient temperatures, has a coefficient of thermal expansion of between about 12.5 and about 13.5, and has a softening temperature of between about 585 degrees Celsius and about 600 degrees Celsius.

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Columbia, MO, United States of America

Mike Konigstein