WO2021006759A1 - Coulées et mélanges de béton autocompactant pour la production de bétons - Google Patents

Coulées et mélanges de béton autocompactant pour la production de bétons Download PDF

Info

Publication number
WO2021006759A1
WO2021006759A1 PCT/RU2019/000979 RU2019000979W WO2021006759A1 WO 2021006759 A1 WO2021006759 A1 WO 2021006759A1 RU 2019000979 W RU2019000979 W RU 2019000979W WO 2021006759 A1 WO2021006759 A1 WO 2021006759A1
Authority
WO
WIPO (PCT)
Prior art keywords
concrete
self
compacting concrete
cast
concretes
Prior art date
Application number
PCT/RU2019/000979
Other languages
English (en)
Russian (ru)
Inventor
Марсель Янович БИКБАУ
Арсен Мансурович ХУСНУТДИНОВ
Original Assignee
Марсель Янович БИКБАУ
БИКБАУ, Ульяна Марсельевна
Арсен Мансурович ХУСНУТДИНОВ
ПАЗЮК, Наталья Юрьевна
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Марсель Янович БИКБАУ, БИКБАУ, Ульяна Марсельевна, Арсен Мансурович ХУСНУТДИНОВ, ПАЗЮК, Наталья Юрьевна filed Critical Марсель Янович БИКБАУ
Publication of WO2021006759A1 publication Critical patent/WO2021006759A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • C04B22/08—Acids or salts thereof
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • 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
    • C04B7/00—Hydraulic cements
    • C04B7/36—Manufacture of hydraulic cements in general
    • C04B7/48—Clinker treatment
    • C04B7/52—Grinding ; After-treatment of ground cement
    • C04B7/527—Grinding ; After-treatment of ground cement obtaining cements characterised by fineness, e.g. by multi-modal particle size distribution

Definitions

  • the invention relates to building materials, in particular to cast and self-compacting concrete mixtures, and can be used in the manufacture of monolithic and prefabricated concrete and reinforced concrete building products and structures for a wide variety of purposes, including densely reinforced structures, as well as massive concrete and reinforced concrete structures and structures with increased crack resistance, low heat generation, high hardening rate, required strength, water resistance, frost resistance and durability.
  • Cast concrete mixtures include mixtures with the P5 grade along the cone spreading of 56 - 62 cm and the mobility of P5 and more.
  • the main technological task is to ensure high mobility of the concrete mixture with its preservation for one to two hours with a minimum water content due to the introduction of various additives into the mixture.
  • SUBSTITUTE SHEET (RULE 26) Glenium ACE 40 in the form of an aqueous solution with a density of 1.04 - 1.08 g / cm - 0.38 - 0.42 and mixing water - 8.78 - 9.82.
  • the proposed invention required multistage mixing of the ingredients in dry form, after which they mixed with half of the water and mixed again, and at the third stage this concrete mixture was mixed with the remaining half of the water with a superplasticizer.
  • Such a composition of the cast concrete mix greatly complicates its preparation and significantly increases its cost.
  • Known self-compacting concrete mixture including cement, a mixture of different types of sand from calcined bauxite with different particle size distribution, the finest sand with an average particle size distribution of less than 1 mm and the coarse sand with an average particle size distribution of less than 10 mm, white soot, 90% of the particles of which have size less than 1 micron with an average diameter of about 0.5 microns, antifoaming agent,
  • superplasticizer optionally fibers and water, and additionally contains ultrafine particles
  • a polycarboxylate ether base with the following ratio of components, wt%: Portland cement - 12.5-16.5, crushed stone - 39-40, sand - 27-29.3 bentonite - 0.15-0.25, fly ash - 7, 5-8, 5,
  • the specified technical solution is also characterized by the complexity of the composition of the concrete mixture, which complicates the process of its preparation and
  • the purpose of the present invention is to obtain cast and
  • nanocements are selected with a specific surface of 600 to 900 m 2 / kg according to RF patent N 2 544 355, US patent
  • antifreeze additives for example, antifreeze additives.
  • Figure 1 shows nanoshells (light border) on grains of Portland cement from a structured modifier in nanocements and grains of quartz sand (according to the results of diffraction). Small particles without nanoshells - grains of quartz sand, crushed to the nanoscale - in this picture a) particle sizes: 18,19,421 and 103 nm.
  • Figure 1, b) also shows the thickness of the shells in nm (Electron microscopic images in the transmission. Scale - in the photographs).
  • compositions with minimal air entrainment may include larger particles of quartz sand, as well as particles of crushed stone and crushed stone screening up to 10 mm in size, providing the required mobility and preservation of self-compacting
  • the features of the developed mobile concrete mixes can contribute to the creation of a new generation of concretes with
  • inventions were applied low-clinker nanocements with
  • nanocements are distinguished by the predominance of very small (less than 1 and 5 ⁇ m) particles of dispersions, which is typical for
  • target additive antifreeze - calcium chloride nitrite-nitrate.
  • the density of concrete mixtures was determined according to GOST 10181.2-81.
  • Frost resistance was determined according to the Basic method for determining frost resistance according to GOST 10060.2-95. Accelerated methods
  • nanocements are distinguished by the predominance of very small (less than 1 and 5 ⁇ m) particles of dispersions, which is not typical for
  • sand particles do not have modifier nanoshells and are actively involved in mixing with water in providing
  • compositions of mixtures for cast and self-compacting concretes and the results of comparative tests of the mobility of the prepared mixtures.
  • compositions of concrete mixtures in their properties despite the exclusion of expensive polymer additives and other highly dispersed fillers, as shown in the analysis of the prior art of the invention, and, in particular, presented in the prototype, have very high rheological properties and mobility.
  • Portland cement in concrete is isolated after mixing concrete mixtures in the first day from 400 to 550 kcal / kg, and within three days of hardening, from 650 to
  • dams and dams during the construction of bulk foundations of high-rise buildings and supports of engineering structures, bridges and overpasses
  • SUBSTITUTE SHEET (RULE 26) parts of concrete masses due to their structuring, for example, steel pipes through which a cooling agent is driven.
  • low-clinker nanocements containing half and three times less Portland cement, makes it possible to reduce heat generation in the concrete mass by 2 - 3 times, as well as to ensure heat absorption by a significant (up to 70 wt%) share of quartz sands with a heat capacity of about 185 kcal / kg.
  • the proposed invention allows you to solve the problem
  • SUBSTITUTE SHEET (RULE 26) low-exothermic concrete mixtures on low-clinker nanocements with the preservation of the necessary construction, technical and operational properties in the concrete, the elimination or simplification of heat removal systems and a decrease in the cost of massive objects.
  • the concrete mass has high mobility and density with a low water content, is characterized by low heat generation and high crack resistance, it is easy and convenient to work with it.
  • Kalashnikov V.I Through rational rheology into the future of concrete. Part 2: Fine-dispersed rheological matrices and powder concretes of a new generation. Tekhnologii betonov. 2007. N ° 6.P. 8-11.
  • Kalashnikov V.I Through rational rheology into the future of concrete. Part 3: From high-strength and extra-high-strength concretes of the future to superplasticized concretes for general purposes of the present // Technologies of concrete. 2008. N ° 1. S. 22-26.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Composite Materials (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

L'invention se rapporte au matériaux de construction et concerne notamment des coulées et des mélanges de béton autocompactant pour la production de bétons à vocations diverses. L'invention concerne des coulées et des mélanges de béton autocompactant pour la production de bétons à vocations diverses, qui comprennent un liant à base de ciment, de la pierre concassée, du sable et de l'eau de gâchage; on utilise en qualité de liant à base de ciment du nanociment de type 30, 35, 45 ou 55 selon la concentration suivante des composants en % en poids: nanociment de type 30, 35, 45 ou 55: 12-20; sable de construction aux normes nationales: 20-40; pierre concassée à une fraction de 3-8 mm: 55-35; le reste se composant d'eau. Le nanociment dans le mélange de béton autocompactant possède une surface spécifique choisie dans une plage de 600-900 m2/kg.
PCT/RU2019/000979 2019-07-05 2019-12-19 Coulées et mélanges de béton autocompactant pour la production de bétons WO2021006759A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2019121103A RU2725559C1 (ru) 2019-07-05 2019-07-05 Литая и самоуплотняющаяся бетонная смесь для производства монолитного бетона и сборных изделий из железобетона
RU2019121103 2019-07-05

Publications (1)

Publication Number Publication Date
WO2021006759A1 true WO2021006759A1 (fr) 2021-01-14

Family

ID=71510298

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2019/000979 WO2021006759A1 (fr) 2019-07-05 2019-12-19 Coulées et mélanges de béton autocompactant pour la production de bétons

Country Status (2)

Country Link
RU (1) RU2725559C1 (fr)
WO (1) WO2021006759A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2764758C1 (ru) * 2021-07-30 2022-01-21 Федеральное государственное бюджетное образовательное учреждение высшего образования "Тульский государственный университет" (ТулГУ) Композиционная сырьевая смесь для изготовления гидротехнических свай

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2165398C1 (ru) * 1999-09-17 2001-04-20 Открытое акционерное общество Московский институт материаловедения и эффективных технологий Способ приготовления бетонной смеси
RU2439020C2 (ru) * 2009-12-01 2012-01-10 Игорь Юрьевич Троянов Бетонная смесь
EA027856B1 (ru) * 2013-03-18 2017-09-29 Марсель Янович БИКБАУ Способ производства наноцемента и наноцемент

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1812769A1 (ru) * 1986-11-24 1996-05-10 Ш.Т. Бабаев Способ приготовления бетонной смеси
WO1997038947A1 (fr) * 1996-04-16 1997-10-23 Low Water Binder Ciment hydraulique
RU2577340C2 (ru) * 2013-07-15 2016-03-20 Борис Эммануилович Юдович Наноцемент и способ его изготовления
RU2576760C1 (ru) * 2015-04-07 2016-03-10 Общество с ограниченной ответственностью "Компания "НАНОТРОН" Сухая строительная смесь со сверхпроникающей в бетон способностью и высокой адгезией, на основе наноцемента общестроительного
RU2595284C1 (ru) * 2015-05-26 2016-08-27 Акционерное общество "Научно-исследовательский центр "Строительство", АО "НИЦ "Строительство" Волокнистый наноцемент и способ его изготовления

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2165398C1 (ru) * 1999-09-17 2001-04-20 Открытое акционерное общество Московский институт материаловедения и эффективных технологий Способ приготовления бетонной смеси
RU2439020C2 (ru) * 2009-12-01 2012-01-10 Игорь Юрьевич Троянов Бетонная смесь
EA027856B1 (ru) * 2013-03-18 2017-09-29 Марсель Янович БИКБАУ Способ производства наноцемента и наноцемент

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BIKBAU M. YA.: "Nanotsementy-budushchee mirovoi tsementnoi promyshlennosti i tekhnologii betonov", VESTNIK ROSSYSKOI AKADEMII ESTESTVENNYKH NAUK, 2015, pages 32 - 41 *
GOROKHOVA M.N. ET AL.: "Modifikatsia litykh betonnykh smesei, Novye tekhnologii v nauke, obrazovanii, proizvodstve", RIBIU, 2014, pages 401 - 410 *

Also Published As

Publication number Publication date
RU2725559C1 (ru) 2020-07-03

Similar Documents

Publication Publication Date Title
US10882791B2 (en) High performance concretes and methods of making thereof
CN107032734A (zh) 一种纳米改性高抗渗混凝土的制备方法
CN103896527A (zh) 轻质高强水泥基复合材料
RU2233254C2 (ru) Композиция для получения строительных материалов
CN105272004A (zh) 轻质高强水泥基复合材料
CN101386518A (zh) 快硬早强磷酸镁混凝土及其制备方法
CN103819158B (zh) 高体积稳定性混凝土的制备方法
CN105271890B (zh) 一种预应力孔道压浆剂及其制备和使用方法
Bazhenov et al. High-strength concretes based on anthropogenic raw materials for earthquake resistant high-rise construction
JP5832599B2 (ja) セメント組成物
JPH0680456A (ja) 流動性水硬性組成物
JP6133596B2 (ja) 膨張材及び膨張コンクリート
WO2021006759A1 (fr) Coulées et mélanges de béton autocompactant pour la production de bétons
Kastornykh et al. Modified concrete mixes for monolithic construction
WO2018200069A1 (fr) Compositions cimentaires et procédés pour leur préparation et leur utilisation
Sun et al. Study on preparation of inorganic binder stabilized material with large dosage of phosphogypsum
Raja et al. Experimental study on partial replacement of fine aggregate by granite powder in concrete
JP6165447B2 (ja) ブリーディングが低減したコンクリートの製造方法
Akiije Characteristic and effects of a superplasticizer quantity variation in some concrete strengths optimization
GHRIEB et al. Use of crushed clay brick waste as dune sand granular corrector in mortar manufacturing
Mahmood et al. Development of high-density geopolymer concrete for breakwater armour units for Port Kembla harbour
Helmuth et al. The nature of concrete
Alimov et al. Self-compacting fine-grained concretes with compensated shrinkage
JP6826456B2 (ja) 水中不分離性コンクリート用膨張材、水中不分離性コンクリート組成物およびその硬化体
Sharanova et al. Application of sea sand for 3D concrete printing

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19936892

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 19936892

Country of ref document: EP

Kind code of ref document: A1