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2 487 095

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IPC

C04B26/26(2006-01-01)

C08L95/00(2006-01-01)

(21) (22)

Application

2012104958/03, 2012-02-13

(24)

Start date

2012-02-13

(22)

Actual filing date

2012-02-13

(45)

Published

2013-07-10

(72)

Inventor

Vasilovskaja Galina Vasil'EvnaShevchenko Valentina Arkad'Evna

(73)

Holder

Federal'Noe Gosudarstvennoe Avtonomnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Federal'Nyj Universitet"

ASPHALT-CONCRETE MIXTURE Russian patent published in 2013 - IPC C04B26/26 C08L95/00

Abstract RU 2487095 C1

FIELD: construction.

SUBSTANCE: asphalt-concrete mixture contains oil bitumen, limestone crushed stone with fraction of 5-20 mm, sand with fraction of up to 5 mm, mineral powder and polymer additive, besides, the polymer additive is liquid divinyl piperylene rubber SKDP-N and additionally ethyl silicate-40 at the following ratio of components, wt %: oil bitumen - 4.9-6.6, crushed limestone of specified fraction - 25-40, sand of specified fraction - 43-64.5, mineral powder - 5-10, liquid rubber SKDP-N - 0.1-0.7, ethyl silicate-40 - 0.1-0.7.

EFFECT: increased strength limit, frost resistance, water resistance and reduced water saturation.

6 tbl

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RU 2 487 095 C1

Authors

Vasilovskaja Galina Vasil'Evna

Shevchenko Valentina Arkad'Evna

Dates

2013-07-10—Published

2012-02-13—Filed