Masonry cement composition, masonry construction and method

Details Masonry cement composition, masonry construction and method Masonry cement composition, masonry construction and method

C - Chemistry, Metallurgy

04

B

261/60

C04B 14/08 (2006.01) C04B 14/10 (2006.01) C04B 28/04 (2006.01)

Patent

CA 1189881

Abstract of the Disclosure A masonry cement is prepared by dry mixing portland cement, diatomace- ous earth and a water-swellable colloidal clay, such as bentonite. Accordingly, the crushed limestone and other ingredients previously included in masonry cements for admixture with portland cement can be completely eliminated and sub- stituted by diatomacious earth and water-swellable colloidal clay. In this manner, a combination of less than about 10% by weight of a combination of diatomaceous earth and colloidal clay replaces approximately 50% by weight crushed limestone and other ingredients from prior art masonry cement composi- tions while providing a masonry cement which meets ASTM specifications, part- icularly for air entrainment, water retention and compressive strength.

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