Cement wood mixture. RU patent 2452706.

FIELD: construction.

SUBSTANCE: cement wood contains the following components, wt %: cement 30-35; hogged chips 63.06-67.68; gypsum 0.5-1; carboxymethylcellulose 0.02-0.04, superplasticiser S-3 0.9-1.3; at water-cement ratio of 0.7-0.9.

EFFECT: reduced consumption of cement with preservation of strength.

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IPC classes for russian patent Cement wood mixture. RU patent 2452706. (RU 2452706):

C04B28 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements

C04B24/24 - Macromolecular compounds (C04B0024140000 takes precedence;macromolecular compounds comprising sulfonate or sulfate groups C04B0024160000)

C04B103/32 - LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS (devitrified glass-ceramics C03C0010000000); REFRACTORIES (alloys based on refractory metals C22C); TREATMENT OF NATURAL STONE

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