WO2009088322A1 - Article de construction moulé, procédé de fabrication et article composite - Google Patents

Article de construction moulé, procédé de fabrication et article composite Download PDF

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Publication number
WO2009088322A1
WO2009088322A1 PCT/RU2008/000806 RU2008000806W WO2009088322A1 WO 2009088322 A1 WO2009088322 A1 WO 2009088322A1 RU 2008000806 W RU2008000806 W RU 2008000806W WO 2009088322 A1 WO2009088322 A1 WO 2009088322A1
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WO
WIPO (PCT)
Prior art keywords
filler
product
mixture
products
pellets
Prior art date
Application number
PCT/RU2008/000806
Other languages
English (en)
Russian (ru)
Inventor
Aleksei Dmitrievich Sharov
Svetlana Borisovna Sharova
Vitaly Valeryevich Vazhdaev
Original Assignee
Obschestvo S Ogranichennoy Otvetsvennostyu "Vlakos-Nn"
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
Priority claimed from RU2008100344/03A external-priority patent/RU2008100344A/ru
Application filed by Obschestvo S Ogranichennoy Otvetsvennostyu "Vlakos-Nn" filed Critical Obschestvo S Ogranichennoy Otvetsvennostyu "Vlakos-Nn"
Priority to EA201000825A priority Critical patent/EA201000825A1/ru
Publication of WO2009088322A1 publication Critical patent/WO2009088322A1/fr
Priority to IL206890A priority patent/IL206890A0/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/14—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements stone or stone-like materials, e.g. ceramics concrete; of glass or with an outer layer of stone or stone-like materials or glass
    • E04F13/147—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements stone or stone-like materials, e.g. ceramics concrete; of glass or with an outer layer of stone or stone-like materials or glass with an outer layer imitating natural stone, brick work or the like
    • 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
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028—Aspects relating to the mixing step of the mortar preparation
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials

Definitions

  • the invention relates to the industry of building materials and products, namely to molded building products and methods for their manufacture, for example, facing panels, tiles, bricks, paving slabs, elements of fences, fireplaces and other products, as well as to prefabricated composite building products with color decorative the outer layer of various shapes and sizes, for example, wall cladding, floor and road surfaces, fences, fireplaces, ritual products, etc., which can be used for road, housing construction etc.
  • Known molded cladding plates and a method for their manufacture including preparing a suspension of gypsum binder and water, mixing it with a moistened complex aggregate fraction 6-20 mm to obtain a homogeneous mixture, sequentially introducing into the mixture and briefly mixing more than one colored suspension of pigment, water and surface active substance (each for 2–3 s), filling the mold with a colored mixture, curing and cutting each blank into two equal-sized plates (RU 2058948, C04B 28/14, 1996). Due to the peculiar redistribution of pigment over the volume of the casting, a pattern similar to the texture of natural stone taken as a sample appears on the surface of the cut. However, by this method, only products with a flat surface can be obtained.
  • Closest to the proposed molded building product is a known molded product made of a material containing Portland cement as a silicate binder, sand and crushed stone with a particle size of up to 80 mm as fillers, a pigment and a plasticizing additive, the material including surface-colored fragments with an open spatial contour, the inner core of which contains crushed stone, and the shell contains Portland cement and sand (RU 2297910, B28B 7/16, 2007).
  • a known method of manufacturing a molded building product comprising preparing in a mixer a molding mixture of a silicate binder (Portland cement) and fillers (sand and gravel - this can be granite sifting, marble chips, dolomite chips, i.e. all rocks up to basalt) with the preparation of pellets, the introduction of water with a plasticizing additive with the formation of a mixture characterized by a low water-cement ratio, the subsequent introduction of pigments, molding see B during the vibration and its curing (RU 2297910, B28B 7/16, 2007).
  • a silicate binder Portableland cement
  • fillers sand and gravel
  • dense pellets are formed consisting of an inner core containing crushed stone particles and an outer layer consisting of a mixture of sand and Portland cement.
  • crushed stone from rocks as a filler, the composition of which includes particles of a sufficiently large size.
  • Used crushed stone is an inorganic loose polydisperse material with grains up to 80 mm in size, obtained by crushing rocks (GOST 8267-93).
  • the introduction of water and mixing after the formation of pellets leads to the moistening and further compaction of the pellets.
  • the depth of staining of the upper layer of the pellets with pigments is controlled by changing the residence time of the pellets in the mixer after introducing the pigments into the concrete mixture.
  • Molded building products and composite products assembled from them have the disadvantages described above.
  • the technical result obtained by carrying out the invention is to obtain building products with increased density and lack of pores.
  • a molded building product is proposed from a material containing a silicate binder, filler, pigment and plasticizing additive, characterized in that the material contains a filler having a particle size of not more than 8 mm, and includes surface-painted fragments with a closed spatial contour, the inner core which contains the largest filler particles, and the shell is an astringent and finer filler particles.
  • a method of manufacturing a molded building product comprising preparing in a mixer characterized by a low water-cement ratio of a molding mixture of silicate binder, filler, pigment and water dissolved in water plasticizing additive to obtain colored pellets, the subsequent molding of the mixture with vibration and its curing, characterized in that for the preparation of the molding mixture, a filler with a particle size of not more than 8 mm is used, the silicate binder is mixed with the filler until a homogeneous mixture is formed, and then introduced water in an amount of 15-25% by weight of a binder with a plasticizing additive dissolved in water and continue mixing until the formation of pellets, the inner core of which contains the largest particles of the filler, and the shell is a binder and finer particles of the filler, and the pigment or mixture of pigments is introduced after the formation of pellets and / or at the stage of obtaining a homogeneous mixture of silicate binder and filler.
  • a composite product containing molded building products from a material containing a silicate binder, filler, pigment and plasticizing additive, characterized in that the material contains a filler having a particle size of not more than 8 mm, and includes surface-painted fragments with a closed spatial contour, the inner core of which contains the largest filler particles, and the shell is an astringent and smaller filler particles.
  • the technical result is achieved through the use of a relatively finely divided filler in combination with the introduction of water only after the formation of a homogeneous mixture of filler with a binder. The combination of these characteristics leads to the production of pellets, the inner core of which contains the largest filler particles, and the shell is an astringent and smaller filler particles.
  • Such pellets being plastic, have sufficient shape stability so that, with the introduction of pigment (pigments) after the formation of pellets, only the surface layer of the pellet is colored during the period between the introduction of pigments and molding.
  • pigment pigment
  • the pellets When molded under the influence of vibration, the pellets are deformed (spread), without collapsing. Therefore, the resulting products are characterized by increased density and lack of pores.
  • closed spatial contours of the painted layer are preserved in the mass and on the surface of the finished product. This leads to the fact that on the surface a molded product forms an original pattern of high decorative value.
  • various pigments can be introduced into the mixer simultaneously or alternately at different stages of the process.
  • the greatest decorative effects occur with the introduction of pigments after the formation of pellets.
  • a uniformly colored product is obtained, in the second, the above-mentioned decorative effect on a substantially uniformly colored background.
  • a silicate binder for example, Portland cement, slag Portland cement or pozzolanic cement, and a mineral filler, for example, granite screening with a particle size of not more than 8 mm (preferably not more than 5 mm), its mixture with sand or sand, as well as, are loaded into a rotating vane-free concrete mixer, if necessary, pigment, and mix until smooth.
  • water is introduced with the plasticizing additive dissolved in it, for example, C-3, lignosulfonate, the additive "Ramix”, polycarbonate hyperplasticizer FOX-8H, etc., as well as, possibly, other functional additives, and continue mixing.
  • pellets After the introduction of water into the concrete mixer, it begins to form pellets of approximately spherical shape and their gradual enlargement.
  • the inner core of the spools contains the largest filler particles, and the shell contains the binder and smaller filler particles. Pigments are added to the concrete mixture at a time when the sizes of the pellets become mainly of the order of 3-6 cm. With smaller sizes of the pellets, subsequent molding may in some cases lead to an article with a large number of pores. Larger spools during molding can not only deform, but also partially collapse, as a result of which significant sections of unpainted gray concrete may appear on the surface of the finished product, however, having a flat surface, in contrast to the rough fragments resulting from the destruction of the spools obtained by a known method. In some cases, for example, when simulating the surface of marble, the natural color of concrete is an acceptable component of the surface pattern; to obtain this effect, for example, mixing the mixture is carried out to form larger pellets, or the pellets are partially destroyed when loaded
  • a pigment (or pigments) is introduced into the concrete mixer and, 10-20 seconds after the end of the introduction of the pigments, the concrete mixture is poured into molds located on the vibrating table.
  • the pigment penetrates into the reels to a depth of 2-3 mm, but the surface of each reel is painted with a different degree of penetration of the pigment, which subsequently gives the product a unique marble-like pattern.
  • the pellets are deformed (spread), and the mixture evenly fills the mold.
  • the molds with the products are subjected to natural drying on racks until the strength sets to full, after which the products are easily removed from the molds.
  • the product is characterized by increased density and lack of pores.
  • the surface of the finished product has a texture determined by the applied form, and color, determined by the applied pigment (pigments).
  • Molded building products in accordance with the invention can be made in the form of plates, facade stone, tiles for walls and floors, paving slabs, elements of fences, fireplaces and other products.
  • FIG. 1-4 depict samples of composite products, including molded products according to the invention: in FIG. 1, 2 - cladding, in FIG. 3 - pavement, in FIG. 4 - a ritual product.
  • FIG. 2 shows a cross section of a stone, on which the closed contours of the reels remaining during molding are visible.
  • EXAMPLE 2 The process of obtaining a molded product is carried out in the same way as in example 1, with the following differences.
  • a filler sand with a particle size of up to 3 mm is used. While Portland cement and filler are mixed, 1300 g of green pigment is added to the mixture before the introduction of water. Water with dissolved plasticizing additive C-3 is introduced in an amount of 6.85 kg (water-cement ratio of 0.15: 1).
  • 430 g of white pigment (titanium dioxide) is introduced into the concrete mixer, after 5 s - 430 g of emerald green pigment, after another 5 s - 300 g of black pigment, and after another 7 s pour concrete mixture into forms located on a vibrating table.
  • the surface of the finished product has a color that imitates malachite.
  • EXAMPLE 3 The process of obtaining a molded product is carried out in the same way as in example 1, with the following differences.
  • a filler a mixture of sand with a particle size of 1.5-2 mm (40%) and granite screenings with a size of particles up to 5 mm (60%).
  • Water with dissolved plasticizing additive C-3 is introduced in an amount of 11.45 kg (water-cement ratio of 0.25: 1).
  • 560 g of white pigment titanium dioxide
  • the concrete mixture is poured into molds located on the vibrating table.
  • the pellets are partially destroyed.
  • the surface of the finished product has a color that imitates marble.
  • EXAMPLE 4 The process of obtaining a molded product is carried out in the same manner as in example 1, with the following differences.
  • a filler 60 kg of granite screenings with a particle size of up to 8 mm and 39 kg of sand with a particle size of up to 3 mm are used.
  • 300 g of white pigment titanium dioxide
  • 300 g of yellow pigment 130 g of brown pigment
  • after another 6 seconds pour the concrete mixture into the molds located on the vibrating table.
  • the surface of the finished product has a color imitating amber.
  • EXAMPLE 5 The process of obtaining a molded product is carried out in the same way as in example 1, with the following differences.
  • Slag Portland cement is used as a silicate binder, and a mixture of sand with a particle size of 1.5-2 mm (70%) and granite screenings with a particle size of up to 5 mm (30%) are used as filler.
  • Water with a plasticizing additive “Relamix” dissolved in it (with the effect of accelerating the curing) is added in the amount of 7.31 kg (water-cement ratio of 0.17: 1).
  • EXAMPLE 6 The process of obtaining a molded product is carried out in the same way as in example 5, with the difference that pozzolanic cement is used as a silicate binder, and FOX-8H polycarbonate hyperplasticizer is used as a plasticizing additive.
  • EXAMPLE 7 The process of obtaining a molded product is carried out in the same way as in example 5, with the difference that as a silicate binder 400D0 grade Portland cement is used, and silica fume is additionally introduced as a highly reactive additive, causing the hardening of the hardening solution
  • EXAMPLE 8 The process of obtaining a molded product is carried out in the same way as in example 2, but without the introduction of pigments after the formation of pellets. The surface of the finished product has a uniform color.
  • EXAMPLE 9 The process of obtaining a molded product is carried out in the same way as in example 1, with the following differences.
  • 300 g of white pigment titanium dioxide
  • 200 g of black pigment is introduced into the concrete mixer and after 7 seconds the pellets are placed in the right part of the form and the vibrating table is turned on .
  • the pellets are deformed and the mixture fills the mold.
  • the surface of the finished product has a clear two-tone color, white on the left, black on the right.
  • the invention can be applied in the industry of building materials and products for the production of molded building products, for example, facing panels, tiles, bricks, paving slabs, elements of fences, fireplaces and other products, as well as in construction during the assembly of composite building products with a colored decorative outer layer various shapes and sizes, for example, wall cladding, floor and road surfaces, fences, fireplaces, ritual products, etc.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Road Paving Structures (AREA)

Abstract

L'invention appartient au domaine des matériaux et articles de construction et concerne notamment des articles de construction moulés, leurs procédés de fabrication et des articles de construction composites munis d'un revêtement décoratif extérieur en couleur possédant des formes et des dimensions différentes, tels que des cheminées, des clôtures, des revêtements de mur, de revêtement de sol et de routes, des articles rituels, etc., et qui peuvent trouver des applications dans la construction, le génie civil, etc. Pour fabriquer l'article moulé on mélange un liant à base de silicates avec une charge possédant une taille de particules jusqu'à 8 mm (de préférence, jusqu'à 5 mm), jusqu'à l'obtention d'un mélange régulier, après quoi l'on introduit dans le mélangeur de l'eau dans des quantités correspondant à 15-25 % de la masse de liant avec l'additif plastifiant qui y est dissous, et on continue le mélangeage jusqu'à ce que forment des grumeaux possédant une taille principalement de 3 à 6 cm. Après la formation des grumeaux on introduit un pigment ou un mélange de pigments et l'on soumet le mélange au moulage dans des conditions de vibrations, de manière à faire durcir l'article ainsi fabriqué dans des conditions naturelles. L'article fabriqué comprend des fragments colorés en surface avec un contour spatial fermé; leur noyau interne comprend les particules de charge les plus grandes, et leur enveloppe comprend des particules de charge plus petites anis que le liant. Le matériau de construction composite comprend des articles moulés faits à partir du matériau décrit ici. L'invention permet de fabriquer des articles de construction présentant une plus grande densité et dont les pores sont absents. La structure du matériau permet d'imiter diverses pierres naturelles et d'obtenir des articles de constructions composites à valeur décorative élevée.
PCT/RU2008/000806 2008-01-09 2008-12-26 Article de construction moulé, procédé de fabrication et article composite WO2009088322A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EA201000825A EA201000825A1 (ru) 2008-01-09 2008-12-26 Формованное строительное изделие, способ его изготовления и композиционное изделие
IL206890A IL206890A0 (en) 2008-01-09 2010-07-08 Moulded construction product, a method for the production thereof and a composite product

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
RU2008100344/03A RU2008100344A (ru) 2008-01-09 2008-01-09 Способ изготовления окрашенного формованного строительного изделия
RU2008100344 2008-01-09
RU2008105270 2008-02-12
RU2008105270 2008-02-12

Publications (1)

Publication Number Publication Date
WO2009088322A1 true WO2009088322A1 (fr) 2009-07-16

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PCT/RU2008/000806 WO2009088322A1 (fr) 2008-01-09 2008-12-26 Article de construction moulé, procédé de fabrication et article composite

Country Status (3)

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EA (1) EA201000825A1 (fr)
IL (1) IL206890A0 (fr)
WO (1) WO2009088322A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1188138A1 (ru) * 1983-07-28 1985-10-30 Московский Ордена Трудового Красного Знамени Инженерно-Строительный Институт Им.В.В.Куйбышева Способ изготовлени золобетона
RU2297910C2 (ru) * 2004-01-21 2007-04-27 Владимир Григорьевич Ященко Сборно-разъемная форма-матрица со сменным модулем-вкладышем и способ изготовления изделий из вяжущих материалов
RU2006141506A (ru) * 2006-11-24 2008-05-27 Владимир Григорьевич Ященко (RU) Способ приготовления бетона "кремнегранит"

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1188138A1 (ru) * 1983-07-28 1985-10-30 Московский Ордена Трудового Красного Знамени Инженерно-Строительный Институт Им.В.В.Куйбышева Способ изготовлени золобетона
RU2297910C2 (ru) * 2004-01-21 2007-04-27 Владимир Григорьевич Ященко Сборно-разъемная форма-матрица со сменным модулем-вкладышем и способ изготовления изделий из вяжущих материалов
RU2006141506A (ru) * 2006-11-24 2008-05-27 Владимир Григорьевич Ященко (RU) Способ приготовления бетона "кремнегранит"

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
A.V. BOLZHENSKII ET AL., PRIMENENIE ZOL I TOPLIVNYKH SHLAKOV V PROIZVOD., 1984, MOSCOW, STROIIZDAT, pages 127 *
L.I. KHOLOPOVA ET AL.: "Okrashivanie avtoklavnykh silikatnykh materialov.", LENINGRAD, IZDATELSTVO LITERATURY PO STROITELSTVU, 1971, pages 100,146 *
YU. M. BAZHENOV., TEKHNOLOGIYA BETONA., 1978, MOSCOW, VYSSHAYA SHKOLA, pages 37, - 184,185 *

Also Published As

Publication number Publication date
EA201000825A1 (ru) 2011-02-28
IL206890A0 (en) 2010-12-30

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