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(11)

2 642 754

(13)

(51)

IPC

C04B20/10(2006-01-01)

C04B24/18(2006-01-01)

(21) (22)

Application

2016144864, 2016-11-15

(24)

Start date

2016-11-15

(22)

Actual filing date

2016-11-15

(45)

Published

2018-01-25

(72)

Inventor

Gofman Dmitrij IvanovichLeskin Andrej IvanovichKatasonov Maksim Viktorovich

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Gosudarstvennyj Tekhnicheskij Universitet"

METHOD OF PREPARING LIMESTONE CONSTRUCTION RUBBLE Russian patent published in 2018 - IPC C04B20/10 C04B24/18

Abstract RU 2642754 C1

FIELD: construction.

SUBSTANCE: method of preparing limestone construction rubble includes preheating limestone construction rubble to a temperature of 50-60°C, impregnating the heated rubble in an aqueous solution of lignosulfonates at the ratio of lignosulfonates: water, respectively, 1:(8-12) at intensive stirring for 20-30 mines, followed by drying the rubble at a temperature of 100-110°C to a constant weight.

EFFECT: increasing the strength characteristics of limestone construction rubble while reducing the impregnation time and reducing energy costs.

1 tbl, 3 ex

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RU 2 642 754 C1

Authors

Gofman Dmitrij Ivanovich

Leskin Andrej Ivanovich

Katasonov Maksim Viktorovich

Dates

2018-01-25—Published

2016-11-15—Filed