DK177523B1 - Method of manufacturing a high strength concrete plate member having a superior surface, as well as a high strength concrete panel manufactured by said method - Google Patents

Method of manufacturing a high strength concrete plate member having a superior surface, as well as a high strength concrete panel manufactured by said method Download PDF

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Publication number
DK177523B1
DK177523B1 DKPA201100558A DKPA201100558A DK177523B1 DK 177523 B1 DK177523 B1 DK 177523B1 DK PA201100558 A DKPA201100558 A DK PA201100558A DK PA201100558 A DKPA201100558 A DK PA201100558A DK 177523 B1 DK177523 B1 DK 177523B1
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DK
Denmark
Prior art keywords
concrete
strength concrete
skin layer
station
high strength
Prior art date
Application number
DKPA201100558A
Other languages
Danish (da)
Inventor
Bo Serwin
Original Assignee
Gb Holding Hoejbjerg Aps
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Filing date
Publication date
Application filed by Gb Holding Hoejbjerg Aps filed Critical Gb Holding Hoejbjerg Aps
Priority to DKPA201100558A priority Critical patent/DK177523B1/en
Priority to EP12735772.1A priority patent/EP2734349A1/en
Priority to PCT/DK2012/050258 priority patent/WO2013010545A1/en
Priority to PCT/DK2012/050257 priority patent/WO2013010544A1/en
Publication of DK201100558A publication Critical patent/DK201100558A/en
Application granted granted Critical
Publication of DK177523B1 publication Critical patent/DK177523B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
    • B28B1/16—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted for producing layered articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/30—Producing shaped prefabricated articles from the material by applying the material on to a core or other moulding surface to form a layer thereon
    • B28B1/32—Producing shaped prefabricated articles from the material by applying the material on to a core or other moulding surface to form a layer thereon by projecting, e.g. spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
    • B28B1/522—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement for producing multi-layered articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
    • B28B19/0015—Machines or methods for applying the material to surfaces to form a permanent layer thereon on multilayered articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • 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
    • E04C2/044—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 of concrete
    • 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
    • E04C2/06—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 reinforced
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/04—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
    • B28B11/0845—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads for smoothing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/005—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects with anchoring or fastening elements for the shaped articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00—Walls, panels

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Producing Shaped Articles From Materials (AREA)
  • Lining And Supports For Tunnels (AREA)

Abstract

Method of manufacturing a high strength concrete plate member comprising the steps of: - first spraying an outer skin layer against a mould where said outer skin layer is a reinforced high strength concrete mix comprising fibres, said outer skin layer having a thickness of between 2 mm to 10 mm; -secondly backfilling with a high strength concrete vertically or horizontally, having a layer thickness between 10 mm and 100 mm -allowing the two layers to harden and chemically react hydraulic or pozzolanic together, to finally form one monolithic layer. -removing the mould.

Description

i DK 177523 B1
Method of manufacturing a high strength concrete plate member having a superior surface, as well as a high strength concrete panel manufactured by said method 5 The present invention discloses a method of manufacturing a high strength concrete plate member having a superior surface, as well as a high strength concrete panel manufactured by said method.
US 2007/0079565 presents a light weight construction in the shape of a sandwich pan-10 el, where outer skins are sprayed up in glassfibre reinforced concrete, and a lightweight material comprising cement is cast between the skins. When performing the method a first skin layer is sprayed against a mould. Thereafter the light weight core material is poured into the mould and finally the second skin is sprayed on the lightweight core material.
15
The light weight concrete core will not contribute significantly to the structural strength of the finished panel, and will only contribute to increased bending strength due to the distance it creates between the two skins. Furthermore two skin layers are required in order to obtain any structural strength, which in any case will be very lim-20 ited due to the characteristics of GRFC concrete in cooperation with a light weight filler.
Casting a three or more sided concrete structure with unique and superior surfaces on all sides is a challenging and almost impossible task, which normally asks for extreme 25 flow (i.e. low viscosity) in the concrete material combined with high vibration to avoid air bubbles and trapped air in the surface. Normally this type of casting is followed by finishing and/or repair works on the visible surfaces in order to achieve an acceptable evenly smooth surface, free of air voids.
30 Alternatively the concrete structure must be assembled from a number of separate panels, all cast with the visible surface horizontally and downwards, in order to avoid voids and other irregularities.
2 DK 177523 B1
With the first procedure the repairs/finishing work will be visible and over time the repaired areas will not be as durable as the integrally cast areas, leading to damage and further repairs.
5 With the second procedure the separate panels have to be assembled, leaving seams or cracks between panels, which require special constructions to leave them moisture tight etc.
For both procedures the aesthetic result is not pleasing, and will in most instances re-10 quire finishing work or surface treatment, for example paint or the like.
Consequently it is an object of the present invention to provide a method and a panel, which alleviates these disadvantages.
15 The invention addresses this by a method of manufacturing a high strength concrete plate member comprising the steps of: first spraying an outer skin layer against a mould where said outer skin layer is a reinforced high strength concrete mix comprising fibers, said outer skin layer having a thickness of between 2 mm to 10 mm; 20 - secondly backfilling with a high strength concrete vertically and/or horizontal ly, having a layer thickness between 10 mm and 100 mm - allowing the two layers to harden and chemically react hydraulically or poz-zolanically together, to finally form one monolithic layer; - removing the mould.
25
The present invention in this manner demonstrates a method, by which, all surfaces independent of position horizontally or vertically as well as upwards or downwards curved, both convex or concave as well as planar will achieve the same perfect void free surface quality in High Performance Concrete on all surfaces.
30
Spraying concrete against a mould provides a very smooth, homogeneous, and dense surface. This is further improved when using high performance high strength concrete in that the high strength concrete from the outset is more dense and compact and when 3 DK 177523 B1 sprayed onto a surface, becomes even more compact and dense, thereby providing a very compact and smooth finish.
By achieving the perfect surface by shotcreting High Performance Concrete or Glass-5 fibre Reinforced High Performance spraying techniques against the front mould the backfilling material, between the sprayed surface and the back mould can further more be chosen to be of the same high quality High Performance Concrete as the surface or an even stronger and outstanding Ultra High Performance Concrete to achieve slim constructions with extreme strength.
10
By further securing cohesion between the spray-layer and the backfill, i.e. avoiding the presence of a boundary whereby a monolithic concrete structure is achieved, a strong panel is obtained.
15 The strong backfilling material is furthermore perfect for anchors, profiles etc. to be cast into this material, making outstanding properties and using the full potential of these.
Further advantageous embodiments include that the high strength concrete used for the 20 backfilling contains fibres where the fibre material is selected from: glass, steel, stainless steel, carbon, polymer, bauxite, wood (celluloses), kapok or other natural fibres, and further that the means for mounting the concrete plate member to a construction is embedded in the backfilled high strength concrete.
25
In a further preferred embodiment the compressive strength of the high strength concrete is between 80 and 200 MPa. At these strengths very strong panels are achieved, and due to the presence of fibers, at least in the outer skin layer, which is sprayed on, a high degree of ductility is also achieved, together with a perfect finished surface.
30
In a further advantageous embodiment the high strength concrete in the backfilling is not vibrated, but cast as self compacting high performance concrete wet-in-wet with the skin layer.
4 DK 177523 B1
Since the surface quality is already optimized, the back filling High Performance Concrete can be cast without vibration as a self compacting High Performance Concrete both vertically and horizontally. This is a dramatic advantage to the size and strength 5 of the mould, which normally must be extremely strong due to the heavy vibrations imparted to the mould in order to compact the concrete. In most cases only heavy steel moulds can be used for this kind of casting, whereas simple wooden or plastic mould can be used when casting without vibration, as is the case with the present invention.
10 Even when the skin layer has hardened either partly or completely, it is possible to securing conditions similar to wet-in-wet conditions due to a hydraulic/pozzolanic activator applied to the inner surface of the skin layer making it possible to cast the backfill concrete at a later stage, and still achieve a monolithic construction.
15 In a further advantageously embodiment of the invention the concrete for the outer skin layer comprises an additive, making it possible to spray and let the high strength concrete remain in situ when spraying vertically up and horizontally against the mould.
20 Preferred products to serve as additive in this procedure can be either polymers like Axilat PAV 29 or alternatively a Si02 Nanosilica like Aerosil Fumed Silica from Evonik Degussa GmbH to adjust the consistency and stability of the Ultra High Performance Concrete perfectly.
25 The manufacture of concrete structures/panels using the method above may be industrialized as set out in a further advantageous embodiment wherein the manufacturing process for the manufacture of a concrete panel comprises a number of stations: - a first station where the concrete casting moulds are prepared and assembled; - a second station where the skin high strength concrete layer is sprayed onto a front 30 side mould in a layer thickness of between 2 and 10 mm; -an optional third station where insulation, reinforcement and anchors and/or mounting/! ifting devices are arranged in the mould; 5 DK 177523 B1 - a fourth station where a rear part of the mould is positioned and fastened relative to the front side mould; - a fifth station where the backfill concrete is entered into the cavity between the outer skin layer and the rear part mould; 5 - a sixth station where the concrete panel is cured and de-moulded - a seventh storage station for the finished cured concrete panels.
By arranging the production in this manner a rational, controllable and fast manufacturing process is achieved. By further adding work stations arranged between the sixth 10 and seventh stations further advantages are achieved, where at least: - a station impregnating or surface treating the front side of the panel with an agent, is arranged where the agent is selected among one or more of the following agents: liquid silicone impregnating agent, nano surface treatment like Contec F3 Nanosealer, Acrylic sealers like Contec F2 or chemically reacting sealers like Contec FI surface 15 hardener, acid staining, water repellent agent, coloring agent etc.; - a concrete panel drying station optionally comprising an autoclave; - a polishing and/or grinding station finishing edges and surfaces
The invention is also directed to a concrete panel manufactured according to the in-20 ventive method disclosed above.
The invention will now be explained with reference to the accompanying drawing wherein: 25 Fig. 1 illustrates the outer mould of a three sided panel onto which the sprayed skin layer is applied.
Fig. 2 illustrates the final three sided panel after casting.
Fig. 3 illustrates the mould principle with an outer and inner mould to work as platform for the outer sprayed skin (Outer mould) and mould to be 30 mounted before casting the back filling High Performance Concrete (Inner mould) A gap to cast the back filling concrete is situated in the top of the mould.
Fig. 4 illustrates a concrete panel cast in the mould depicted in fig 3.
6 DK 177523 B1
Detailed description
Turning to fig. 1 an outer mould 1 having three planar sides 2, 3,4 is illustrated. The 5 mould 1 is suitable to be sprayed upon. Due to the composition of the concrete sprayed onto the mould, the concrete panel’s side facing the mould (typically the exterior side of the panel) will have a surface substantially corresponding to the mould. Therefore if the mould surface is very smooth - which is achievable with plastics or steel, the panels’ surface will be very smooth.
10
Jumping to fig 3 further illustrates an embodiment. The outer mould Γ is in this embodiment four sided 2\3’, 5, 6. The inner mould 10 is arranged such that the space between the two mould parts Γ, 10 provides space for the concrete panel to be casted. Before the inner mould 10 is positioned the outer concrete skin layer 20 is sprayed 15 against all outer mould 1 surfaces. Typically the layer thickness is between 2 and 10 mm and preferably containing fibres, in order to provide the hard but brittle concrete with high ductility.
After having sprayed the outer skin layer 20, the inner mould 10 is positioned as illu-20 strated. Along an upper edge an openeing 21 is provided, through which the back fill concrete 22 is poured. The back fill concrete is a self-compacting concrete, whereby vibrating the mould is not neccessary in order to achieve a monolithic structure. The back fill concrete will flow into the mould and occupy the space not taken up by the outer skin layer.
25
In this manner using high strength concretes both when spraying and when backfilling a very strong and monolilthic panel is obtained.
Prior to pouring the bacfill concrete 22 and positioning the inner mould 10, reinforce-30 ment 23, anchors, bolts, insulation and other desired features can be arranged in the mould. When pouring the backfill concrete 22, these features will be cast in with the backfill concrete, as illustrated in fig. 4.
7 DK 177523 B1
Fig. 4 illustrates a finished panel 7 according to the invention. The panel comprises an outer skin 20 containing fibres 24, where the outer skin consists of a high performance concrete sprayed onto a mould, as described above. A backfill 22 - also high performance or ultra high performance self-compacting comcrete, also optionally containing 5 fibres 24’ and reinforcement 23 is positioned behiond the outer skin layer. Typically the backfill layer will have a thickness between 50 and 150 mm dependeing on the intended aplication.
For the sake of illustration the figures described above does not contain all details 10 pertaining to the moulds, casting equipment etc, but only schematically illustrates the principles of the present invention. In the figures mainly cross-sections through the moulds and panels are illustrated. >

Claims (10)

1. Fremgangsmåde til fremstilling af et højstyrkebetonpladeelement, omfattende trinene: 5. først sprøjte et ydre hudlag mod en form, hvor det ydre hudlag er en forstærket højstyrkebetonblanding omfattende fibre, hvilket ydre hudlag har en tykkelse mellem 2 mm og 10 mm, dernæst genfylde lodret eller vandret med en højstyrkebeton med en lagtykkelse mellem 10 mm og 100 mm, 10. tillade de to lag at hærde og kemisk reagere sammen hydraulisk eller pozzola- nisk til endelig dannelse af et monolitisk lag, * - fjerne formen.A method of producing a high-strength concrete slab element comprising the steps of: 5. first spraying an outer skin layer onto a mold, wherein the outer skin layer is a reinforced high-strength concrete mixture comprising fibers, the outer skin layer having a thickness between 2 mm and 10 mm, then refilling vertically or horizontal with a high-strength concrete having a layer thickness between 10 mm and 100 mm, 10. allow the two layers to harden and chemically react together hydraulically or pozzolanically to finally form a monolithic layer, * - remove the mold. 2. Fremgangsmåde ifølge krav 1, hvori den til genfyldning anvendte højstyrkebeton 15 indeholder fibre, hvor fibermaterialet er valgt blandt: glas, stål, rustfast stål, kulstof, polymer, bauxit, træ (cellulose), kapok eller andre naturlige fibre.The method of claim 1, wherein the high-strength concrete 15 used for refilling contains fibers, wherein the fiber material is selected from: glass, steel, stainless steel, carbon, polymer, bauxite, wood (cellulose), kapok or other natural fibers. 3. Fremgangsmåde ifølge krav 1 eller 2, hvori midler til at montere betonpladeelemen-tet på en konstruktion er indlejret i det genfyldte højstyrkebeton. 20A method according to claim 1 or 2, wherein means for mounting the concrete slab element to a structure are embedded in the refilled high-strength concrete. 20 4. Fremgangsmåde ifølge ethvert af de foregående krav, hvori trykstyrken af højstyrkebetonen er 80 — 200 MPa eller mere.A method according to any one of the preceding claims, wherein the compressive strength of the high-strength concrete is 80 - 200 MPa or more. 5. Fremgangsmåde ifølge ethvert af de foregående krav, hvori højstyrkebetonen ved 25 genfyldning ikke vibreres, men støbes vådt-i-vådt med hudlaget som en selvkomprimerende, højtydende beton.A method according to any one of the preceding claims, wherein the high-strength concrete is not vibrated at refill but is wet-in-wet with the skin layer as a self-compressing, high-performance concrete. 6. Fremgangsmåde ifølge ethvert af krav 1 til 4, hvori højstyrkebetonen ved genfyldningen ikke vibreres, men støbes som en selvkomprimerende, højtydende beton efter 30 at hudlaget er hærdet, idet vådt-i-vådt tilstanden sikres på grund af en hydrau-lisk/puzzolanisk aktivator, som påføres hudlagets indre overflade. 9 DK 177523 B1A method according to any one of claims 1 to 4, wherein the high-strength concrete is not vibrated during refilling but is cast as a self-compressing, high-performance concrete after the skin layer is cured, ensuring the wet-in-wet condition due to a hydraulic / puzzolanic. activator applied to the inner surface of the skin layer. 9 DK 177523 B1 7. Fremgangsmåde ifølge ethvert af de foregående krav, hvori betonen til det ydre hudlag omfatter et additiv, som gør det muligt at sprøjte og lade højstyrkebetonen forblive in situ, når der sprøjtes lodret op og vandret mod formen. Mulige produkter til dette formål kan enten være polymere som like Axilat PAV 29 5 eller alternativt et Si02 nanokiselsyreanhydrid, såsom Aerosil Fumed Silica fra Evo-nik Degussa GmbH, til fuldstændigt at justere konsistensen og stabiliteten af den ultrahøjtydende beton.A method according to any one of the preceding claims, wherein the concrete for the outer skin layer comprises an additive which allows the high-strength concrete to be sprayed and left in situ when vertically upright and horizontal against the mold. Possible products for this purpose can be either polymers such as Axilat PAV 295 or alternatively a SiO2 nanosilicic anhydride such as Aerosil Fumed Silica from Evo-nik Degussa GmbH to completely adjust the consistency and stability of the ultra high performance concrete. 8. Fremgangsmåde ifølge ethvert af de foregående krav, hvori fremstillingsprocessen 10 til fremstilling af et betonelement omfatter et antal stationer: - en første station, hvor betonstøbeformene klargøres og samles, - en anden station, hvor højstyrkebetonhudlaget sprøjtes på en forsi deform i en lagtykkelse mellem 2 og 10 mm, - en valgfri tredje station, hvor isolering, armering og forankringer og/eller monte-15 rings-/løfteindretninger er arrangeret i formen, - en fjerde station, hvor en bagpart af formen placeres og fastgøres i forhold til forsideformen, - en femte station, hvor genfyldningsbetonen indføres i hulrummet mellem det ydre hudlag og bagpartformen, 20. en sjette station, hvor betonelementet hærdes og afformes, - en syvende oplagringsstation til de færdige, hærdede betonelementer.A method according to any one of the preceding claims, wherein the manufacturing process 10 for producing a concrete element comprises a number of stations: - a first station where the concrete molds are prepared and assembled, - a second station where the high-strength concrete skin layer is sprayed onto a preform in a layer thickness between 2 and 10 mm, - an optional third station where insulation, reinforcement and anchors and / or mounting / lifting devices are arranged in the mold, - a fourth station, where a rear part of the mold is placed and secured relative to the front mold, - a fifth station where the refill concrete is introduced into the cavity between the outer skin layer and the back part mold, 20. a sixth station where the concrete element is hardened and deformed, - a seventh storage station for the finished, hardened concrete elements. 8 DK 177523 B18 DK 177523 B1 9. Fremgangsmåde ifølge krav 7, hvori yderligere stationer er arrangeret mellem den sjette og syvende station, hvor mindst: 25. en station, der imprægnerer eller overfladebehandler elementets forside med et mid del, er arrangeret, hvor midlet er valgt blandt et eller flere følgende midler: flydende silikoneimprægneringsmiddel, nanooverfladebehandling som Contec F3 Nanosealer, akryl forsegling som Contec F2 eller kemisk reagerende forseglinger som Contec F1 overfladehærder, syrestænkende, vandafvisende middel, indfarvningsmiddel, osv., 30. en betonelementtørrestation, der valgfrit omfatter en autoklave, - en pudse- og/eller slibestation, der afpudser kanter og overflader.The method of claim 7, wherein further stations are arranged between the sixth and seventh stations, wherein at least: a station impregnating or coating the front of the element with a middle member is arranged, wherein the means is selected from one or more of the following: agents: liquid silicone impregnating agent, nano surface treatment such as Contec F3 Nanoseals, acrylic sealant such as Contec F2 or chemically reactive seals such as Contec F1 surface hardener, acid splashing, water repellent, dyeing agent, etc., 30. a concrete element drying station including and / or grinding station which trims edges and surfaces. 10. Højstyrkebetonelement fremstillet ifølge ethvert af krav 1 til 7.A high-strength concrete element made according to any one of claims 1 to 7.
DKPA201100558A 2011-07-19 2011-07-19 Method of manufacturing a high strength concrete plate member having a superior surface, as well as a high strength concrete panel manufactured by said method DK177523B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DKPA201100558A DK177523B1 (en) 2011-07-19 2011-07-19 Method of manufacturing a high strength concrete plate member having a superior surface, as well as a high strength concrete panel manufactured by said method
EP12735772.1A EP2734349A1 (en) 2011-07-19 2012-07-06 Method of manufacturing a high strength concrete plate member having a superior surface, as well as a high strength concrete panel manufactured by said method
PCT/DK2012/050258 WO2013010545A1 (en) 2011-07-19 2012-07-06 Method of manufacturing a complete insulated high strength concrete element having a superior surface, as well as a high strength concrete element manufactured by said method
PCT/DK2012/050257 WO2013010544A1 (en) 2011-07-19 2012-07-06 Method of manufacturing a high strength concrete plate member having a superior surface, as well as a high strength concrete panel manufactured by said method

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Application Number Priority Date Filing Date Title
DKPA201100558A DK177523B1 (en) 2011-07-19 2011-07-19 Method of manufacturing a high strength concrete plate member having a superior surface, as well as a high strength concrete panel manufactured by said method
DK201100558 2011-07-19

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DK201100558A DK201100558A (en) 2013-01-20
DK177523B1 true DK177523B1 (en) 2013-09-02

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