	US 12,215,058 B2
	Dry mix and concrete composition containing bed ash and related methods
Douglas W. Schane, Adena, OH (US); and Arthur B. Brown, Durango, CO (US)
Assigned to Crown Products & Services, Inc., Gillette, WY (US)
Filed by Crown Products & Services, Inc., Gillette, WY (US)
Filed on Nov. 14, 2023, as Appl. No. 18/508,848.
Application 17/201,779 is a division of application No. 16/137,163, filed on Sep. 20, 2018, granted, now 10,981,831.
Application 18/508,848 is a continuation of application No. 17/950,637, filed on Sep. 22, 2022, granted, now 11,840,482.
Application 17/950,637 is a continuation of application No. 17/201,779, filed on Mar. 15, 2021, granted, now 11,479,506.
Claims priority of provisional application 62/641,838, filed on Mar. 12, 2018.
Claims priority of provisional application 62/561,556, filed on Sep. 21, 2017.
Prior Publication US 2024/0083818 A1, Mar. 14, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C04B 28/02 (2006.01); C04B 14/28 (2006.01); C04B 28/04 (2006.01); C04B 28/06 (2006.01); C04B 40/00 (2006.01); C04B 111/00 (2006.01); C09K 17/10 (2006.01); E01C 7/14 (2006.01); E02D 3/12 (2006.01)

CPC C04B 28/021 (2013.01) [C04B 14/28 (2013.01); C04B 28/04 (2013.01); C04B 28/065 (2013.01); C04B 40/0042 (2013.01); E01C 7/142 (2013.01); E01C 7/147 (2013.01); E02D 3/123 (2013.01); C04B 2111/00043 (2013.01); C04B 2111/00724 (2013.01); C04B 2111/00732 (2013.01); C04B 2111/00741 (2013.01); C04B 2111/0075 (2013.01); C09K 17/10 (2013.01)]

19 Claims

1. A method of preparing a concrete structure, comprising:

premixing cement and bed ash such that the cement coats the bed ash;

mixing water and a dry mix to form a wet concrete, the dry mix comprising from 35% to 75% by weight aggregate, from 30% to 50% by weight of the bed ash, and from 5% to 15% by weight of the cement; and

allowing the wet concrete to cure to form the concrete structure.