Water cured concrete mix composition

12:

• A water cured product of the concrete mix composition of claim 10, wherein the water cured product has a reduction in compressive strength of 2-15% when exposed to an alkaline solution comprising 10-50%! of one or more alkali hydroxides at 40-80° C. for 4-16 months as compared to the water cured product exposed to water at 15-35° C. for the same length of time.

13:

• A water cured product of the concrete mix composition of claim 10, wherein the water cured product has a weight loss of 0-6% when exposed to an alkaline solution comprising 10-50% of one or more alkali hydroxides at 40-80° C. for 4-16 months as compared to the water cured product exposed to water at 15-35° C. for the same length of time.

14:

• A water cured product of the concrete mix composition of claim 10, wherein the water cured product has a chloride permeability of 1200-2000 Coulombs when exposed to an alkaline solution comprising 10-50% of one or more alkali hydroxides at 40-80° C. for 12-16 months.

15:

• A water cured product of the concrete mix composition of claim 10, wherein the water cured product has an expansion of 200-850 microns when exposed to an alkaline solution comprising 10-50% of one or more alkali hydroxides at 40-80° C. for 4-16 months.

16-20. (canceled)