US 2023/0202926 A1

Method for the increase of workability of a binder composition comprising Portland cement, calcined clay, and limestone

(22) 08.06.2021

(43) 29.06.2023

(57) A method for increasing the workability of a binder composition including calcined clay, limestone, and Portland cement. The method includes a step of adding an admixture comprising at least one PCE and at least one additive selected from the group including sugar acids, sugars, sugar alcohols, and hydroxycarboxylic acids. The invention also relates to an admixture to be used in said method and hardenable compositions, especially concrete and mortar, obtainable by the method.

(71) Sika Technology AG, Baar (CH)

(73) Sika Technology AG, Baar (CH)

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