WO2018103794A1 - Procédé pour réaliser un élément de construction à partir de béton mousse et analogue - Google Patents

Procédé pour réaliser un élément de construction à partir de béton mousse et analogue Download PDF

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Publication number
WO2018103794A1
WO2018103794A1 PCT/DE2017/101053 DE2017101053W WO2018103794A1 WO 2018103794 A1 WO2018103794 A1 WO 2018103794A1 DE 2017101053 W DE2017101053 W DE 2017101053W WO 2018103794 A1 WO2018103794 A1 WO 2018103794A1
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WO
WIPO (PCT)
Prior art keywords
foam
cement
cement paste
foam concrete
mixing
Prior art date
Application number
PCT/DE2017/101053
Other languages
German (de)
English (en)
Inventor
Chris Ralf RÖDER
Rose WEBER
Michael Weber
Original Assignee
Roeder Chris Ralf
Weber Rose
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 Roeder Chris Ralf, Weber Rose filed Critical Roeder Chris Ralf
Publication of WO2018103794A1 publication Critical patent/WO2018103794A1/fr

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Classifications

    • 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
    • C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
    • C04B38/106—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam by adding preformed foams
    • 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
    • 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
    • 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
    • C04B40/005—High shear mixing; Obtaining macro-defect free materials
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/049—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres completely or partially of insulating material, e.g. cellular concrete or foamed plaster
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Definitions

  • the invention relates according to a first aspect of a method for producing a component, in particular an insulating board.
  • Such components in particular said insulation board, for example, consist of polystyrene and can be used in a known manner for use in building insulation, for example, for exterior walls or roof structures.
  • the heat insulation composite systems which are widely used today in building insulation have, as is well known from the media, particular disadvantages in terms of their combustibility and environmental compatibility. They are therefore considered as much in need of improvement.
  • components consist for example of solid concrete, masonry or wood combinations. It is also known to partially mix these materials, for example, by introducing liquid concrete into cavities of masonry or wood containing components or the like.
  • the idea underlying the present patent application is to provide a method which makes it possible to produce an improved component, in particular an insulating panel.
  • the invention achieves the stated object with the features of claim 1 and accordingly characterized in particular by the following steps: a) producing a cement paste from water, cement, in particular special cement, and at least one aggregate, in particular from the following group of additives i) Metakaolin
  • foam concrete may basically be known from the construction industry, it is typically used merely as filling material. They have not been considered at all due to their special properties for the production of components. Only the production method according to the invention with the addition of the specified additives and the special manufacturing process of the cement paste in a colloid mixer makes it possible to obtain a foam concrete, which is suitable for use in a component.
  • Foamed concrete is a concrete produced by mixing a cement paste and a foam. Foamed concrete differs in this sense from aerated concrete, which is typically produced by the addition of a blowing agent (for example, aluminum powder) in the cement paste.
  • a blowing agent for example, aluminum powder
  • the propellant leads to foaming of the tough cement paste in aerated concrete. However, there is no mixture of foam and cement paste.
  • foam concrete which is also called pore lightweight concrete or mineral foam
  • aerated concrete due to the completely different production methods of foam concrete on the one hand (which is also called pore lightweight concrete or mineral foam) and the aerated concrete on the other hand, arise different structures in the cured concrete.
  • the pores of aerated concrete components are interconnected by a capillary system.
  • aerated concrete components absorb water to a considerable extent.
  • the individual pores are (at least predominantly) separated from one another and are not connected to one another. Therefore, for example, foam concrete components can absorb no or almost no water.
  • foam concrete is cured under the influence of heat and pressure.
  • the foam concrete according to the invention typically hardens without supply of heat and / or at atmospheric pressure.
  • the foam concrete is produced according to the invention by bringing together or mixing a cement paste with foam.
  • the foam is typically underlaid under the cement paste or vice versa. This is done according to the invention in FIG. 5 of a mixing station, for example a mixing station in the manner of a stirrer.
  • the underlapping or mixing is usually rather low-revving. This allows gentle mixing.
  • the mixing time can be, for example, between a few seconds and a few minutes, for example between 30 seconds and 5 minutes, more preferably between 1 and 2 minutes.
  • the foam required for this purpose is typically produced in a separate foam unit and then fed to the mixing station.
  • the foam can of course also be produced in the mixing station itself, for example in the manner of a large basin.
  • the cement paste can be added to the foam, which is then located in the mixing station, successively or clocked and be undercut or mixed with a stirrer.
  • the cement paste is also referred to as "slurry".
  • the stirring or leveling done with a certain regularity, with more and more cement paste can be added continuously.
  • not all cement paste and all the foam is already in the mixing station at the beginning of the stirring process.
  • one cubic meter of the mixed mass contains 940 liters of foam and 60 liters of cement paste.
  • said ratio of about 15: 1 may also be between 10: 1 and 20: 1, preferably between 5: 1 and 50: 1.
  • the mass thus produced which may also be referred to as (liquid or viscous) 5 foam concrete or foamed concrete raw material, is then typically pumped off and further formed or processed into a structural element
  • the foam concrete typically has a gross density of between 40 and 400 kg / m 3 , more preferably between 60 and 200 kg / m 3 .
  • the foam concrete according to the invention is particularly pressure-resistant, for example with a compressive strength of between 0.01 and 0.9 MPa (at a dry density of about 150 kg / m 3 ) or a compressive strength of up to 0.7 MPa at a dry bulk density of 130 kg / m 3 .
  • the foam which is mixed with the cement paste to produce the foam concrete typically consists of a composition of air and a foaming agent comprising surfactants and / or proteins and / or water.
  • the foaming agent is therefore typically liquid or at least fluid.
  • the foaming agent is foamed with air to produce the foam, to which preferably the foam former is added to an air space.
  • This can be done using a foam generator, which then directly fills the mixing station with foam or only a separate pool or the like, from which the foam is then fed to the mixing station.
  • foaming agent based on proteins is associated with certain disadvantages (such as susceptibility to mold formation or possibly adverse fire protection behavior), proteins may be omitted.
  • rhamnolipids can be used as the foaming agent.
  • the cement paste is taken according to the invention a colloid mixer, which is also referred to as a colloidal mixer.
  • This colloid mixer is typically very high-speed, which can be achieved, for example, by using a corresponding motor, for example a 50 Hertz motor or a higher or lower rotating motor.
  • Colloidal or colloidal mixers are used, for example, in the preparation of suspensions with the smallest particles.
  • the exclusion of the particles ie the separation of clumps, in focus.
  • One of the goals of particle digestion is to increase the reactive surface area of the material.
  • the colloid mixer produces more than 1,000, more preferably more than 2,000, more particularly more than 5,000 revolutions per minute, more advantageously more than 10,000 or even more than 20,000 or more than 50,000 revolutions per minute.
  • the cement paste produced in this way in the colloid mixer consists according to the invention of water, cement and aggregates.
  • the cement may be, for example, special cement, such as Portland limestone cement or Holcim White Portland cement.
  • the grinding fineness can be, for example, between 30 and 60, more advantageously between 32 and 53.
  • certain additives are used.
  • the aggregates total in the cement paste and / or in the finished foam concrete a weight fraction of typically between 0.001% and 15% (or even 25% or even 40%), more particularly less than 10%, more particularly between 1% and 7 %, more particularly between 3% to 5%.
  • Suitable additives are, for example, metakaolin, microsilica, nanosilica, hydroxyapatite, trycalcium phosphate and / or fumed silica.
  • a mixture as a cement, water, metakaolin, fumed silica and hydroxyapatite, more particularly rhamnolipids are used in the further course as a foaming agent.
  • very stable Schaumbetorrformultechniken can be achieved with pleasingly low thermal conductivities.
  • thermal conductivities of the components of between 0.02 and 0.06 W / mK can be achieved, more preferably between 0.03 and 0.04 W / mK.
  • the foam concrete can also be used on the inner wall.
  • it is shaped and sawed and / or cut, for example, in the manner of plates or blocks.
  • it can then be used particularly advantageously as an insulating board, in particular with particularly low thermal conductivity properties.
  • the further processing may in particular be a shaping and / or a drying process.
  • the device in the event that the device is to be formed as an insulating board, should then be optionally still liquid or pulpy or viscous foam concrete in a mold to dry.
  • the shape may be, for example, a formwork.
  • the finished insulation board can then be formed block or plate-like.
  • the part taken from the mold can be sawn or cut to size or the like, for example into a plate shape.
  • several insulation boards can be worked out in this way.
  • Other forms for other components are of course readily feasible.
  • the foam concrete can also be entered into an existing of another material, such as wood or stone or similar element, which then represents the finished component with the entered, dried foam concrete.
  • the component may in this sense, for example, other materials than foam concrete, in particular wood or stone or another type of concrete or the like.
  • the foam concrete mixture taken from the mixing station which in particular may still be liquid or viscous, is further mixed in a colloid mixer.
  • the mixture of foam and cement paste is (once again) transferred to a colloid mixer.
  • the colloid mixer may in particular be the colloid mixer in which the cement paste has already been produced or mixed.
  • the invention also includes that it is another colloid mixer.
  • it is the identical colloid mixer and therefore also has all the features described in the application and the like.
  • the foam concrete will in particular have a smaller volume, namely in particular due to a higher (raw) density.
  • a foam concrete of the same volume becomes more productive in one way (the performance increases).
  • This also allows a more economical use of additives.
  • all the methods of the invention are encompassed in which after removal from the mixing station, the material is not (once again) added to a colloid mixer, but further processed, dried or left.
  • the method according to the invention permits production of the foam concrete, and thus in particular also the production of a corresponding component, "on site", ie, for example, on a construction site or the like
  • a remote manufacturing site such as a fabrication shop or the like
  • the method of the present invention enables a spatial integration of the foam concrete or foam concrete building stage and the construction site, such as the construction site This sense may be unnecessary.
  • this relates to a component according to claim 5.
  • This is in particular an insulation board.
  • the device is made of foam concrete and in particular according to one of the described methods hergesteift.
  • the component may contain, for example, rhamnolipids, (in particular in the foam), the foam concrete from which the component is made, may have undergone the same process steps in its manufacture, the component may be cut out of a block, etc.
  • the invention is one or more additives with a weight fraction between 0.001% and 15% contained in the (liquid or viscous) foam concrete mass or the cement paste of the component.
  • the aggregates do not account for more than 15% by weight of the foam concrete mass or cement paste, preferably not more than 10%.
  • the invention relates to a formulation for a cement paste for the production of foam concrete according to claim 6. All the advantages described are of course also applicable to this recipe.
  • this relates to a foam concrete mass according to claim 8.
  • all the advantages and embodiments already mentioned are transferable to the foam concrete mass.
  • This has in particular at least one of the additives mentioned in claim 8.
  • the foaming agent or the foam contains rhamnolipids.
  • this also includes a mixing device according to claim 10.
  • the mixing device is designed in particular as a colloid mixer or colloidal mixer.
  • the mixing device according to the invention has a 50 Hertz motor as drive (or a motor with an even higher Hertz number), which in particular allows the high mixing speeds mentioned (more than 5,000 revolutions per minute, in particular more than 10,000 revolutions per minute).
  • the colloid mixer therefore has a different, higher rotating drive than the mixing station.
  • the drives are especially designed separately.
  • the invention relates to the production of an insulating panel with a density in particular of 60 to 200 kg / m 3 .
  • the invention relates to the technical field of insulation of building exterior sides and / or insides.
  • the production of the insulation boards is done with a mineral foam, foam concrete, porous lightweight concrete.
  • the insulation boards are poured into molds or blocks (production plant / production line) and switched off after a drying step. Blocks are cut to size in the subsequent operation.
  • An insulation board is created. This eliminates mineral wool insulation or other similar insulation (such as polystyrene).
  • the innovative element of the idea is the building material with its excellent properties in terms of thermal conductivity and strength. Another advantage of this insulating material is its environmental compatibility.
  • the insulation boards made of mineral foams or foam concretes or porous lightweight concretes can be adjusted individually and in relation to the product in terms of bulk density and thus also with regard to the thermal insulation value.
  • the selection of the apparent density is preferably between 60 and 200 kg / m 3 .
  • the heat storage capacity of insulating materials is determined by their bulk density and the specific heat storage capacity. Incidentally, this method has an influence on the building-material-related contribution to the sound insulation of insulating materials, in particular the bulk density, the dynamic stiffness, the degree of sound absorption and the flow resistance. Airborne sound transmission is more influenced by bulk density and sound absorption. The latter is influenced by the construction and use of fiber insulation mainly by their flow resistance.
  • the basis for evaluating the insulating materials is DIN 4108-4, which defines the design values of the so-called thermal conductivity.
  • the long-term behavior as well as the temperature resistance as well as the primary energy consumption are positively influenced compared to other insulating materials.
  • Special additives such as inter alia, metakaolin and / or microsilica and / or nanosilica and / or hydroxyapatite and / or trycalcium phosphate are incorporated into the cement paste to obtain the desired product properties.
  • hydroxyapatite formerly apatite (CaOH)
  • CaOH hydroxyapatite
  • Hydroxylapatite crystallizes in the hexagonal crystal system with the chemical formula Ca5 [OH
  • Hydroxylapatite is the basis of the hard substance of bones and teeth of all vertebrates. Hydroxylapatite can also be made in the laboratory to calcium phosphate or tricalcium phosphate.
  • Test series have shown that the desired results in terms of strength and flexural strength as well as thermal conductivity can be achieved with both substances, the mined apatite, as well as with the industrially produced tricalcium phosphate.
  • the glue is transferred to a mixer which gently mixes the glue and the foam, which is produced in a separate foam unit, at slow speeds.
  • the mixing time will be 1 - 2 minutes.
  • the high-speed colloid mixers with a 50-core drive motor enable new processes and new formulations designed specifically for the new product and application.
  • Insulating board made of mineral foams or foam concretes or porous lightweight concretes with a density of 60 to 200 kg / m 3 .
  • Fig. 1 in the manner of a very schematic diagram, the
  • Kemablholz a method of the invention, from the individual building materials to the preparation of a foam concrete mixture in a mixing station and
  • FIG. 1 initially shows a certain division into two parts. For example, in the left half of FIG. 1, the production of a cement paste 20 is initially shown schematically.
  • water 11 is mixed with (special) cement 12, in particular with the addition of one or more additives.
  • additives may be metakaolin 14 and / or microsilica 15 and / or nanosilica 16 and / or hydroxyapatite 17 and / or trycalcium phosphate 18.
  • the mentioned components water 11, (special) cement 12 and in particular one or more aggregates 13, are then mixed in a colloid mixer 19.
  • the components mentioned either individually, for example, one after another, be transferred to the colloid mixer or already previously mixed together and transferred together in the colloid mixer 19.
  • the colloid mixer 19 is a very high-speed colloid mixer which, for example, carries out more than 1000 revolutions, preferably more than 2000 revolutions per minute.
  • Colloid mixers are also known as colloidal mixers
  • colloid mixer in particular means that the corresponding raw materials, minerals, binders, etc. are well digested and mixed. The corresponding reactions can already begin in the colloid mixer.
  • the additives 13 used for the cement paste can in particular support the crystallization process, which, for example, also decisively supports the stability of the end product.
  • the aggregates 13 allow a good, namely low, water-to-cement ratio, which is partly responsible for the strength, and in particular also prevents cracking as much as possible.
  • an initially substantially liquid or viscous cement paste 20 is formed in this manner.
  • FIG. 1 The right side of FIG. 1 represents purely schematically the production of a foam 21 to be mixed with the cement paste 20.
  • air 22 is combined with a foaming agent 23 in a separate foam unit, not shown in FIG. 1, and in this way the foam 21 created.
  • the foaming agent 23 is foamed, for example with the aid of the air 22.
  • the foaming agent 23 is typically present already in liquid form, in particular comprising surfactants and / or proteins and / or water.
  • the foam 21 is produced and on the other hand the already mentioned cement paste 20, which is also referred to as "slurry".
  • the foam 21 is now underlined in a next step under the cement paste 20. This is done in a preferably slowly rotating mixing station 24.
  • the mixing station 24 is in particular a separate from the colloid mixer 19 mixing station. This typically rotates much more slowly than the colloid mixer 19.
  • it may comprise a basin that is initially filled with foam 21.
  • the mixing station 24 may comprise an agitator, which now regularly underlays the foam or the cement paste 20 is undercut in the foam.
  • the mixing ratio of foam 21 to liquid cement paste 20 or slurry may, for example, be between 5: 1 and 50: 1, preferably between 10: 1 and 20: 1, more preferably about 15: 1.
  • 940 liters of foam 21 and 60 liters of cement paste 20 may be located in one cubic meter of this mass.
  • the mixing station 24 or said agitator may then mix the foam 21 and the cement paste 20, for example, for less than 5 minutes, for example between half and three minutes mixing time.
  • FIG. 2 shows by way of example that the quantity to be taken from the mixing station 24 is either further processed directly at 25 can, or according to a particularly preferred Solutionssforrn of the inventive method first (once) in a (other or the already known) colloid mixer 19 can be transferred.
  • Test series have shown that remixing in a Koiloidmischer the mass of foam 21 and cement paste 20 for ire amazing properties of the final product, such as improved stability, a finer pore pattern and / or a better thermal insulation value can provide.
  • the colloid mixer according to FIG. 2 is provided with the reference symbol 19 * , since it may be either the colloid mixer 19 already known from FIG. 1 or a separate colloid mixer. However, this too is very high-revving and designed essentially with the same properties, which is why it will typically happen that the colloid mixer 19 according to FIG. 1 and the colloid mixer 19 'according to FIG. 2 are identical.
  • the subsequent further processing at 25 then takes place towards a finished component 10.
  • This further processing process may consist, in particular, of pouring the mass taken from the mixing station 24 (also called liquid or viscous foam concrete), which may also have been introduced into the colloid mixer 19 ', into molds or blocks. This can then be done in a production plant or production line. After carrying out a drying process, the mold or block can then be switched off and the shaped, dried mass of the desired foam concrete material can be shaped shaping, for example by sawing or cutting or parts or the like. In particular, a corresponding product can be said to measure, according to the shape of a plate, which is then used as an insulating board.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Architecture (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Abstract

La présente invention concerne un procédé pour réaliser un élément de construction (10), notamment une plaque isolante, à partir de béton mousse, comprenant les étapes suivantes consistant à : a) réaliser un mortier-colle (20) à partir d'eau (11), de ciment, notamment de ciment spécial, et d'au moins un granulat (13) choisi notamment dans le groupe suivant de granulats i) métakaolin (19), ii) microsilice (15), iii) nanosilice (16), iv) hydroxyapatite (17), v) tricalcium phosphapte (18), dans un mélangeur colloïdal (19) à vitesse de rotation élevée; b) réaliser une mousse (21) avec de l'air (22) et de l'agent moussant (23); c) réunir le mortier-colle (20) et la mousse (21) dans une station de mélange (24) et mélanger les deux constituants pour donner un béton mousse.
PCT/DE2017/101053 2016-12-10 2017-12-08 Procédé pour réaliser un élément de construction à partir de béton mousse et analogue WO2018103794A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102016014772.5 2016-12-10
DE102016014772 2016-12-10
DE102017129140.7 2017-12-07
DE102017129140.7A DE102017129140A1 (de) 2016-12-10 2017-12-07 Verfahren zur Herstellung eines Bauelementes aus Schaumbeton und selbiges

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WO2018103794A1 true WO2018103794A1 (fr) 2018-06-14

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DE102019000116A1 (de) 2019-01-11 2020-07-16 HIB Huber Integral Bau GmbH Konstruktive Stahlbauteile
WO2020234462A1 (fr) 2019-05-21 2020-11-26 WEKO Consulting and Engineering Ltd. Procédé de fabrication d'un béton cellulaire et d'un composant

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