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2 282 724

(13)

(51)

IPC

E21F15/00(2006-01-01)

(21) (22)

Application

2005110766/03, 2005-04-13

(24)

Start date

2005-04-13

(22)

Actual filing date

2005-04-13

(45)

Published

2006-08-27

(72)

Inventor

Kalmykov Vjacheslav NikolaevichBeloborodov Il'Ja SergeevichGrigor'Ev Vladimir ViniaminovichSaraskin Aleksandr ViktorovichMontjanova Antonina Nikolaevna

(73)

Holder

Magnitogorskij Gosudarstvennyj Tekhnicheskij Universitet Im. G.I. Nosova

FILL MIX Russian patent published in 2006 - IPC E21F15/00

Abstract RU 2282724 C1

FIELD: mining, particularly to develop valuable mineral deposits along with goaf filling.

SUBSTANCE: fill mix comprises quick lime, grinded blast furnace slag, filler, industrial lignosulphonate and water. The fill mix additionally comprises trisodiumphosphate. All above components are taken in the following amounts (% by weight): quick lime - 1.61-4.8, grinded blast furnace slag - 10.79-14.4, filler - 60.85-62.14, industrial lignosulphonate - 0.016-0.11, trisodiumphosphate - 0.124-0.35, remainder is water.

EFFECT: increased strength and crack-resistance of fill mix over the full fill body.

2 tbl

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RU 2 282 724 C1

Authors

Kalmykov Vjacheslav Nikolaevich

Beloborodov Il'Ja Sergeevich

Grigor'Ev Vladimir Viniaminovich

Saraskin Aleksandr Viktorovich

Montjanova Antonina Nikolaevna

Dates

2006-08-27—Published

2005-04-13—Filed