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2 775 249

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(51)

IPC

C04B26/26(2006-01-01)

E01C7/18(2006-01-01)

(21) (22)

Application

2021125966, 2021-09-02

(24)

Start date

2021-09-02

(22)

Actual filing date

2021-09-02

(45)

Published

2022-06-28

(72)

Inventor

Markova Irina IurevnaStrokova Valeriia ValerevnaMarkov Andrei IurevichBezrodnykh Andrei AleksandrovichStepanenko Margarita AndreevnaDmitrieva Tatiana Vladimirovna

(73)

Holder

Federalnoe Gosudarstvennoe Biudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniia Gosudarstvennyi Tekhnologicheskii Universitet Im. V.G. Shukhova"

COMPOSITION OF CEMENT-ASPHALT-CONCRETE FOR ROAD CONSTRUCTION PURPOSES Russian patent published in 2022 - IPC C04B26/26 E01C7/18

Abstract RU 2775249 C1

FIELD: road construction.

SUBSTANCE: invention relates to road-building materials and can be used for the arrangement of various road structural layers. The composition of cement-asphalt-concrete for road construction purposes includes components at the following ratio, wt. %: Portland cement 7.9–9.4; main fuel ash 1.1–2.6; crushed stone 48; sand 41.5; bitumen emulsion 1 (over 100% of the mineral part); water-cement ratio 0.4; water (over 100% of the mineral part, excluding water present in the bitumen emulsion) 4,2.

EFFECT: preserving the strength characteristics of cement-asphalt-concrete when replacing part of the cement with the main fuel ash.

1 cl, 5 tbl

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RU 2 775 249 C1

Authors

Markova Irina Iurevna

Strokova Valeriia Valerevna

Markov Andrei Iurevich

Bezrodnykh Andrei Aleksandrovich

Stepanenko Margarita Andreevna

Dmitrieva Tatiana Vladimirovna

Dates

2022-06-28—Published

2021-09-02—Filed