RU2646240C1 - Crude mixture for manufacturing fine-grained concrete - Google Patents

Crude mixture for manufacturing fine-grained concrete Download PDF

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Publication number
RU2646240C1
RU2646240C1 RU2017115030A RU2017115030A RU2646240C1 RU 2646240 C1 RU2646240 C1 RU 2646240C1 RU 2017115030 A RU2017115030 A RU 2017115030A RU 2017115030 A RU2017115030 A RU 2017115030A RU 2646240 C1 RU2646240 C1 RU 2646240C1
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Russia
Prior art keywords
water
fine
grained concrete
crude mixture
portland cement
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RU2017115030A
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Russian (ru)
Inventor
Юлия Алексеевна Щепочкина
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Юлия Алексеевна Щепочкина
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Priority to RU2017115030A priority Critical patent/RU2646240C1/en
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/06—Quartz; Sand
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B16/04—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B16/04—Macromolecular compounds
    • C04B16/06—Macromolecular compounds fibrous
    • C04B16/0616—Macromolecular compounds fibrous from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B16/065—Polyacrylates; Polymethacrylates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
    • C04B22/06—Oxides, Hydroxides
    • C04B22/068—Peroxides, e.g. hydrogen peroxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04—Portland cements
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Civil Engineering (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

FIELD: construction.
SUBSTANCE: invention relates to the construction materials industry, in particular to the production of fine-grained concrete. Crude mixture for manufacturing fine-grained concrete contains, pts. wt.: Portland cement 24–26, quartz sand 74–76, soaked before swelling in a 3 % aqueous solution of hydrogen peroxide and sodium polyacrylate 0.1–1.5 ground to form a gel-like mass, water 12–14.
EFFECT: higher strength of fine-grained concrete.
1 cl, 1 tbl

Description

Изобретение относится к промышленности строительных материалов, в частности к производству мелкозернистых бетонов.The invention relates to the construction materials industry, in particular to the production of fine concrete.

Известна сырьевая смесь для изготовления мелкозернистого бетона, содержащая портландцемент, кварцевый песок, водоудерживающую добавку [1].Known raw mix for the manufacture of fine concrete containing Portland cement, quartz sand, a water-retaining additive [1].

Задача изобретения состоит в повышении прочности мелкозернистого бетона.The objective of the invention is to increase the strength of fine-grained concrete.

Технический результат достигается тем, что сырьевая смесь для изготовления мелкозернистого бетона, содержащая портландцемент, кварцевый песок, водоудерживающую добавку, воду, в качестве водоудерживающей добавки содержит замоченный до набухания в 3% водном растворе перекиси водорода и измельченный до образования гелевидной массы полиакрилат натрия при следующем соотношении компонентов, мас.ч: портландцемент 24-26; кварцевый песок 74-76; указанный полиакрилат натрия 0,1-1,5; вода 12-14.The technical result is achieved in that the raw mixture for the manufacture of fine concrete containing Portland cement, quartz sand, a water-retaining additive, water, as a water-holding additive contains hydrogen peroxide soaked to swelling in a 3% aqueous solution and crushed to form a gel-like mass of sodium polyacrylate in the following ratio components, parts by weight: Portland cement 24-26; silica sand 74-76; the specified sodium polyacrylate 0.1-1.5; water 12-14.

Составы сырьевой смеси приведены в таблице.The composition of the raw mix is shown in the table.

Figure 00000001
Figure 00000001

Figure 00000002
Figure 00000002

Компоненты дозируют в требуемых количествах. Полиакрилат натрия замачивают в 3% водном растворе перекиси водорода, выдерживают до набухания и измельчают до образования гелевидной массы. Все компоненты смешивают и подготавливают сырьевую смесь, которой заполняют металлические формы. Смесь уплотняют и выдерживают в формах в течение суток, затем изделия извлекают из форм и направляют на склад готовой продукции.The components are dosed in the required amounts. Sodium polyacrylate is soaked in a 3% aqueous solution of hydrogen peroxide, kept until swelling and crushed to form a gel-like mass. All components are mixed and a raw material mixture is prepared, with which metal forms are filled. The mixture is compacted and kept in molds for a day, then the products are removed from the molds and sent to the finished goods warehouse.

Источник информацииThe source of information

1. WO 2005/105702 А1, 2005.1. WO 2005/105702 A1, 2005.

Claims (2)

Сырьевая смесь для изготовления мелкозернистого бетона, содержащая портландцемент, кварцевый песок, водоудерживающую добавку, воду, отличающаяся тем, что в качестве водоудерживающей добавки содержит замоченный до набухания в 3% водном растворе перекиси водорода и измельченный до образования гелевидной массы полиакрилат натрия при следующем соотношении компонентов, мас.ч:The raw material mixture for the manufacture of fine-grained concrete containing Portland cement, quartz sand, a water-retaining additive, water, characterized in that as a water-holding additive contains hydrogen peroxide soaked to swelling in a 3% aqueous solution and crushed to form a gel-like mass of sodium polyacrylate in the following ratio of components, wt.h: портландцементPortland cement 24-2624-26 кварцевый песокquartz sand 74-7674-76 указанный полиакрилат натрияspecified sodium polyacrylate 0,1-1,50.1-1.5 водаwater 12-1412-14
RU2017115030A 2017-04-27 2017-04-27 Crude mixture for manufacturing fine-grained concrete RU2646240C1 (en)

Priority Applications (1)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2051135C1 (en) * 1989-12-08 1995-12-27 Ниппон Каяку Кабусики Кайся Hydraulic composition, high-strength composite material, and process for producing high-strength composite material
EP1235759A1 (en) * 1999-09-22 2002-09-04 W.R. Grace & Co.-Conn. (a Connecticut corp.) Efflorescence control in cementitious compositions and masonry units
WO2005105702A1 (en) * 2004-04-27 2005-11-10 Hercules Incorporated Cement-based systems using water retention agents prepared from raw cotton linters
RU2306221C2 (en) * 2005-10-24 2007-09-20 Общество с ограниченной ответственностью "Высокопрочный пенобетон" Method of preparation of the raw mix for production of the non-autoclave foamed concrete and the device for its realization
RU2554993C1 (en) * 2014-07-02 2015-07-10 Рамзия Искандаровна Чеснокова Plasticising additive to concrete mix

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2051135C1 (en) * 1989-12-08 1995-12-27 Ниппон Каяку Кабусики Кайся Hydraulic composition, high-strength composite material, and process for producing high-strength composite material
EP1235759A1 (en) * 1999-09-22 2002-09-04 W.R. Grace & Co.-Conn. (a Connecticut corp.) Efflorescence control in cementitious compositions and masonry units
WO2005105702A1 (en) * 2004-04-27 2005-11-10 Hercules Incorporated Cement-based systems using water retention agents prepared from raw cotton linters
RU2306221C2 (en) * 2005-10-24 2007-09-20 Общество с ограниченной ответственностью "Высокопрочный пенобетон" Method of preparation of the raw mix for production of the non-autoclave foamed concrete and the device for its realization
RU2554993C1 (en) * 2014-07-02 2015-07-10 Рамзия Искандаровна Чеснокова Plasticising additive to concrete mix

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ПОЛЯКОВ В.С. и др. Комплексные полимерные добавки для бетонных смесей на основе полиакрилатов, продуктов термической деструкции полиамида-6 и низкомолекулярного полиэтилена. Вестник МГСУ, 2012, N4, с.149 - 154. *

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