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2 049 079

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IPC

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Application

92015570/04, 1992-12-30

(22)

Actual filing date

1992-12-30

(45)

Published

1995-11-27

(72)

Inventor

Bazoev O.K.Kesaev Eh.Z.Kesaev Eh.Z.Titova L.A.Zvezdov A.I.Bejlina M.I.

(73)

Holder

Nauchno-Issledovatel'Skij, Proektno-Konstruktorskij I Tekhnologicheskij Institut Betona I Zhelezobetona

EXPANDING ADDITION TO PORTLAND CEMENT Russian patent published in 1995 - IPC

Abstract RU 2049079 C1

FIELD: building materials. SUBSTANCE: expanding addition has, wt.-% dolomite 0.1-5.0; gypsum 24.9-30.0; clay shale at the ratio Al2O3:SiO2:CaO from 1:0.3:0.05 to 1:3.5:0.2 65-75. Self-tension of cement with proposed addition for samples showing normal hardening for 28 days is 1.33-1.47 MPa, after ТВО at 85 C is 1.47-1.53 MPa, waterproof is up to 18 atm, water penetration deep is 2-5 cm. EFFECT: enhanced quality of addition. 2 tbl

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RU 2 049 079 C1

Authors

Bazoev O.K.

Kesaev Eh.Z.

Kesaev Eh.Z.

Titova L.A.

Zvezdov A.I.

Bejlina M.I.

Dates

1995-11-27—Published

1992-12-30—Filed

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