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2 233 938

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IPC

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Application

2003107780/03, 2003-03-24

(24)

Start date

2003-03-24

(22)

Actual filing date

2003-03-24

(45)

Published

2004-08-10

(72)

Inventor

Fomin B.G.Vasil'Ev A.V.Gorbenko Ju.V.Kokurin S.A.Ashikhmen V.A.Durcheva V.N.Khelevin V.I.

(73)

Holder

Rossijskij Universitet Druzhby Narodov

METHOD FOR GROUTING CONCRETE GRAVITY DAM BUILT ON ROCK FOUNDATION Russian patent published in 2004 - IPC

Abstract RU 2233938 C1

FIELD: hydraulic engineering, particularly for dam building in severe climate regions.

SUBSTANCE: method for grouting dam including top column and bottom wedge with arranging cemented joint in-between involves opening joint between top column and bottom wedge by creating temperature difference on upper and lower edges of top column due to intensive freezing concrete at upper edge of top column which results in upper column rotation towards upper dam edge and in joint opening; grouting the opened joint. Temperature difference on upper and lower edges column is 15 - 45 C.

EFFECT: promotion of joint grouting, enhanced technological effectiveness of cementing works.

2 dwg

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RU 2 233 938 C1

Authors

Fomin B.G.

Vasil'Ev A.V.

Gorbenko Ju.V.

Kokurin S.A.

Ashikhmen V.A.

Durcheva V.N.

Khelevin V.I.

Dates

2004-08-10—Published

2003-03-24—Filed