Cement and concrete compositions for controlling alkali-silica r

Details Cement and concrete compositions for controlling alkali-silica r Cement and concrete compositions for controlling alkali-silica r

1998-03-06

2000-02-08

Marcheschi, Michael

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106738, 106734, 106752, 106768, 106737, 106819, C04B 1404

Patent

active

060224088

ABSTRACT:
Processes for making cement which when used to make concrete can stabilize the concrete against alkali-silica reactivity (ASR) from alkali containing components. The process includes adding lithium containing materials in the front of a cement kiln along with the cement starting materials in an amount sufficient to minimize ASR.

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patent: 5656075 (1997-08-01), Gaidis et al.
Sakaguchi et al., "The inhibiting effect of lithium compounds on alkali-silica reaction", 8th international conference on alkali-aggregate reaction, (no month) 1989.
D.B. Stark et al., Lithium Salt Admixtures--An Alternative Method to Prevent Expansive Alkali-Silica Reactivity, Skokie, Il, Portland Cement Assoc. Research and Development Information, Jul. 1992. (no month).
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Chemical Abstracts, vol. 125, No. 20, Nov. 11, 1996 Columbus, Ohio, US; abstract No. 255289, J. Gajda: "Development of a lithium bearing cement to inhibit alkali-silica reactivity in hardened concrete" XP002022911 see abstract & World Cem., vol. 27, No. 8, pp. 58-74.
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Database WPI, Section Ch, Week 7623, Derwent Publications Ltd., London, GB; Class F09, An 7642642X, XP002022915 & JP 51 045 698 A (Agency of Ind Sci Tech) Apr. 20, 1976, see abstract.

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