EP2065530A2 - Expanded polystyrene block with reinforcing anchors for construction enclosures - Google Patents

Expanded polystyrene block with reinforcing anchors for construction enclosures

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Publication number
EP2065530A2
EP2065530A2 EP07822874A EP07822874A EP2065530A2 EP 2065530 A2 EP2065530 A2 EP 2065530A2 EP 07822874 A EP07822874 A EP 07822874A EP 07822874 A EP07822874 A EP 07822874A EP 2065530 A2 EP2065530 A2 EP 2065530A2
Authority
EP
European Patent Office
Prior art keywords
anchors
concrete
expanded polystyrene
hook
block
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP07822874A
Other languages
German (de)
French (fr)
Inventor
Ernesto Antelo Pensado
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teais SA
Original Assignee
Teais SA
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 Teais SA filed Critical Teais SA
Publication of EP2065530A2 publication Critical patent/EP2065530A2/en
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84—Walls made by casting, pouring, or tamping in situ
    • E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E04B2/8623—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers and at least one form leaf being monolithic
    • E04B2/8629—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers and at least one form leaf being monolithic with both form leaves and spacers being monolithic
    • 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
    • E04B1/762—Exterior insulation of exterior walls
    • E04B1/7629—Details of the mechanical connection of the insulation to the wall
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C1/00—Building elements of block or other shape for the construction of parts of buildings
    • E04C1/40—Building elements of block or other shape for the construction of parts of buildings built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts

Definitions

  • the invention relates to a prefabricated expanded polystyrene block, specially reforced by anchors for the construction of enclosures or concrete faces which make the application of medium-duty converings possible, directly or by loosely weave, improving the application of every covering.
  • the reinforcement of this kind of structures formed by hollow blocks or expanded polystyrene boxed panels, generally used in costruction, is obtained by the insertion across the walls of the outer polystyrene panels of a plurality of stainless anchors or another metals adequately protected against the corrosion, with a characteristic shape which make possible, once happened the concrete of the blocks in the works, both the correct fixing of the applicated covering in the side in which the anchors overhang the outer polystyrene wall, either being a one-coat termination mortar, or a regulation one for a later finish, and in its case the laying of a support mesh, like the resistant fixing of the own anchors, in the side in where are embeded in the concrete core.
  • the invention is joined in the technical field of the construction, within which is called the buildings isolation and protection, and, particularly, in the constructions which use integrated expanded polystyrene and concrete formworks from prefabricated blocks of this insulating material.
  • the third document is the only one which describes a reinforcing system of a covering by anchors or fixings for a polystyrene and concrete wall. It is a prefabricated facade of transventilated natural stone, composed by an covering of stone, ventilated air chamber, extended polystyrene isolation and a reinforced concrete panel that acts like support, in which the reinforcement system for the stabilization of the stone covering is constituted by a series of normalized stainless steel pieces directly fixed to the stone and the concrete panel.
  • this fixings are vey different to the anchors of the present invention and are only valid for natural stone coverings with air chamber, not solving the above mentioned problem of the lack of stabilization of any type of medium-duty covering directly applied, or by regulation mortar, with or without fiber mesh, on the outer surface of the polystyrene panels of the described formworks.
  • This developed block is based on the known prefabricated structure of expanded polystyrene with interior cells which then are filled with concrete, once placed in the works, previously assembled optionally by a series of rods or metallic trasnverse bars of fixing and securing, and what characterizes as own the invetion is the incorporation of a plurality of anchors of reinforcement inserted uniformly on the surface of one or both lateral faces of polystyrene, constituted by a wire of a stainless or iron metal, protected against the corrosion, with sufficient length to cross the wall, which presents in the end orientated towards the outer face of the closing a form of a hook, and near to the inner end of the anchor, for the side destineted to remain stuffed of concrete, it forms a fold, in such a way that the lateral wall of insulating material remains included among the ends in the shape of hook and the folds of the ends orientated to the inner face of the covering.
  • the above mentioned reinforcing anchors for coverings in the resultant enclosure of expanded polystyrene and concrete are constituted in the end in the shape of hook by three folds in right angle, two more interior in the same direction, and the most exterior in the opposite direction to the previous ones, staying this end of the anchor parallel to the exterior wall of the enclosure, whereas the fold near to another end is constituted by three folds according to two obtuse angles and a central right anglem which they form a fold in te shape of peak orientated in the same direction to that of the end in the shape oh hook, or in opposite direction. That is to say, once placed the anchor in the panel, if the end in the shape of hook aims up, then at the peak of the opposite end, the destinated to remain fixed in the concrete, can appear also up or down.
  • the function of the end in the shape of hook in the end of the anchor that stands out of the outer face, destinated to the outer end, is, on the one hand, it of assuring the fixing of the covering mortar once projected, so much that of a one-coat mortar that there stays as finished end, as a regulation mortar or a concrete tail of bulky cap that they use as base for the direct placement of heavy-duty facing such a natural stone or medium-duty coating of the ceramic or similar type, and, on the otrher hand, it of alowing the subordination of a loosely weave, since it can be a mesh of mineral fiber or carbon fiber, for those coverings among the previous ones that like that need it.
  • the function of the shape of fold which has the anchor in the end that stands inside of the face is to confer a higher adherence in the Concrete core, once produced the concreted of the face, improving its properties of reinforcement for coverings of this type of enclosures used increasingly in construction.
  • the Figure 1 shows a sight in perspective of the block of expanded polystyrene suitably reinforced, with the different elements that compose it once installed in work, where the reinforcement anchors remain perfectly visible, so much for the outer face of the polystyrene walls, destinated to receive the covering, as for the inner faces that shape the stuffed cells of concrete.
  • the fixing mesh foreseen in certain cases also is observed.
  • the Figure 2 shows a ground plan of the refered enclosure. In this sight it is appreciated perfectly the insertion of the reinforcing anchor across the outer walls of the block, and the situation of the covering layers and the optional open mesh.
  • the Figure 3 shows a section of the outer wall of the face in the area in where an anchor stayed inserted, which is an area where the wall appears with a mortar cover and the core filled with concrete.
  • the Figure 4 shows one of the reinforcing anchors characteristics of the present invention, in the preferential variant of end with the shape of hook and end in peak, pointing at opposite directions.
  • the constructive enclosures based on the present invention fulfil from integrated formworks of prefabricated blocks of expanded polystyrene (1) with interior cells that, once in work, are filled of concrete (2), being able to arm with a series of transverse fixing and securing bars (3), characterized for incorporating a plurality of anchors (4) of reinforcement distributed uniformly on its surface.
  • this enclosure it is necessary to begin with the fabrication of the blocks with the reinforcing anchors, later it must proceed to prepare the formwork by these blocks and to throwing the fill of concrete.
  • the anchors cross the isolation before concrete and are going to take resistance to the concrete core, where they remain integrated to the formwork. Then there joins the corresponding fiber mesh and finally one proceeds to apply the wished covering on the external faces of the enclosure.
  • the anchor (4) characteristic of the invention is executed from a wire, which folded suitably acquires the wished form, presenting in the end orientated to the outer layer of the enclosure in shape of hook (5), and near to the inter end of the anchor, with a form of fold (6).
  • the anchor will be developed from wires of stainless steel or other metal of 1,5 mm of diameter and an approximate lenght of 117 mm. Later, it proceeds to the configuration of the same one in a folder machine.
  • the anchors are inserted by the end in shape of peak (6), from the outer face of polystyrene, in way that the wall of isulating material will be between the end with shape of hook and the end in shape of peak.
  • the polystyrene panel accompanied by a mineral fiber or a carbon fiber mesh (7) for the side destinated to the covering, as an armor of reinforcement for the contact material.
  • the mesh remains secure to the lateral outer wall of the expanded polystyrene block (1) thanks to the ends in the shape of hook (5) of the ready anchors (4), as it can be observed in detail in the Figure 3 .

Abstract

The invention relates to an expanded polystyrene block with reinforcing anchors for construction enclosures, of the type of block that is prefabricated from cells of expanded polystyrene (1) which are intended to be filled with concrete (2) once the block has been installed on site and which can be reinforced for this purpose with a series of transverse metal attachment and securing bars or rods (3). The invention is characterised in that a plurality of reinforcing anchors (4) are inserted uniformly over the surface of one or both lateral polystyrene walls. The end of the anchors that is oriented towards the outer face of the enclosure is shaped in the form of a hook (5), while the anchor is bent (6) close to the inner end thereof which is to be inserted into the concrete. Said anchor reinforcing system enables the resulting enclosures to be covered with medium-duty coatings of the ceramic or one-coat mortar type, or heavy-duty facing sucha as natural stone.

Description

  • The invention relates to a prefabricated expanded polystyrene block, specially reforced by anchors for the construction of enclosures or concrete faces which make the application of medium-duty converings possible, directly or by loosely weave, improving the application of every covering.
  • The reinforcement of this kind of structures formed by hollow blocks or expanded polystyrene boxed panels, generally used in costruction, is obtained by the insertion across the walls of the outer polystyrene panels of a plurality of stainless anchors or another metals adequately protected against the corrosion, with a characteristic shape which make possible, once happened the concrete of the blocks in the works, both the correct fixing of the applicated covering in the side in which the anchors overhang the outer polystyrene wall, either being a one-coat termination mortar, or a regulation one for a later finish, and in its case the laying of a support mesh, like the resistant fixing of the own anchors, in the side in where are embeded in the concrete core.
  • In this way, a mechanical link of a embeded formed by expanded polystyrene pieces filled with concrete with a medium-duty covering is created, keeping the functional features of thermal insulation and soundproofing in this kind of enclosures.
  • The invention is joined in the technical field of the construction, within which is called the buildings isolation and protection, and, particularly, in the constructions which use integrated expanded polystyrene and concrete formworks from prefabricated blocks of this insulating material.
    • STATE OF THE ART.-
  • The constructions based in integral formworks of polystyrene, formed from panels of this insulating material suitably boxed, that once placed concreted in all its interior, destinated to the construction of walls with integrated isolation, present te acquaintance problem of which they do not tolerate coverings of the external faces (facades) with not prefabricated or medium-duty materials, having to limit practically to the plastic coverings of completion. This is due to the own microstructure of the expanded polystyrene, with a few wrong mechanical properties and of difficult adherence, which disables the grip of the most consistent coverings.
  • This problem is nowadays without solving in the above mentioned type of integrated formworks for any type of covering, like is demonstrated by the fact that no patent exists, at least with effects in Spain, about a similar system to the present invention.
  • Indeed, looking for precedents in the OEPMPAT database of the Spanish Patent and Trademark Office, which collect, among other, all the patents and utility models with effects in Spain published in the latest twenty-five and thirty years, only has been found three documents in relation with the enclosures in question. Two of them, correspondings to the national patents with publication numbers ES2134172A1 and ES2127059B1 , have for object both constructive systems of expanded polystyrene and concrete walls, but they are load-bearing or forged walls of the buildings with isolating properties in which seen faces are not applyed.
  • The third document, the national patent with number of publication ES2235579A1 , is the only one which describes a reinforcing system of a covering by anchors or fixings for a polystyrene and concrete wall. It is a prefabricated facade of transventilated natural stone, composed by an covering of stone, ventilated air chamber, extended polystyrene isolation and a reinforced concrete panel that acts like support, in which the reinforcement system for the stabilization of the stone covering is constituted by a series of normalized stainless steel pieces directly fixed to the stone and the concrete panel. Obviously, this fixings are vey different to the anchors of the present invention and are only valid for natural stone coverings with air chamber, not solving the above mentioned problem of the lack of stabilization of any type of medium-duty covering directly applied, or by regulation mortar, with or without fiber mesh, on the outer surface of the polystyrene panels of the described formworks.
    • THE INVENTION.-
  • In order to solve the mentionated problem, is why the concreted block of expanded polystyrene specially reinforced fpr construction enclosures was been developed, by a singular system of anchor which secure the mechanical joint of the covering subsequently applied to the structural concrete, over on the works concrete.
  • This developed block is based on the known prefabricated structure of expanded polystyrene with interior cells which then are filled with concrete, once placed in the works, previously assembled optionally by a series of rods or metallic trasnverse bars of fixing and securing, and what characterizes as own the invetion is the incorporation of a plurality of anchors of reinforcement inserted uniformly on the surface of one or both lateral faces of polystyrene, constituted by a wire of a stainless or iron metal, protected against the corrosion, with sufficient length to cross the wall, which presents in the end orientated towards the outer face of the closing a form of a hook, and near to the inner end of the anchor, for the side destineted to remain stuffed of concrete, it forms a fold, in such a way that the lateral wall of insulating material remains included among the ends in the shape of hook and the folds of the ends orientated to the inner face of the covering.
  • In a preferential accomplishment, the above mentioned reinforcing anchors for coverings in the resultant enclosure of expanded polystyrene and concrete, are constituted in the end in the shape of hook by three folds in right angle, two more interior in the same direction, and the most exterior in the opposite direction to the previous ones, staying this end of the anchor parallel to the exterior wall of the enclosure, whereas the fold near to another end is constituted by three folds according to two obtuse angles and a central right anglem which they form a fold in te shape of peak orientated in the same direction to that of the end in the shape oh hook, or in opposite direction. That is to say, once placed the anchor in the panel, if the end in the shape of hook aims up, then at the peak of the opposite end, the destinated to remain fixed in the concrete, can appear also up or down.
  • The function of the end in the shape of hook in the end of the anchor that stands out of the outer face, destinated to the outer end, is, on the one hand, it of assuring the fixing of the covering mortar once projected, so much that of a one-coat mortar that there stays as finished end, as a regulation mortar or a concrete tail of bulky cap that they use as base for the direct placement of heavy-duty facing such a natural stone or medium-duty coating of the ceramic or similar type, and, on the otrher hand, it of alowing the subordination of a loosely weave, since it can be a mesh of mineral fiber or carbon fiber, for those coverings among the previous ones that like that need it.
  • The function of the shape of fold which has the anchor in the end that stands inside of the face is to confer a higher adherence in the Concrete core, once produced the concreted of the face, improving its properties of reinforcement for coverings of this type of enclosures used increasingly in construction.
  • The advantage contributed with this novel reinforcing system based ob anchors for the integrated or lost formworks of expanded polystyrene and concrete core built from invention blocks, are obviuos in view of the described functions, and it is to make it possible for the application in the resulting enclosures from coverings, not only plastic, what is the only you can do in stable and secure way until now, but too medium-duty coverings, is sayed, coverings with more than 1 cm of thickness, like in a one-coat mortar, refodder or medium-duty coating of the ceramic, among others, and even heavy-duty facing such a natural stone, allowing the singular shape of the overhanging end of the anchors and the collocation of mesh or loosely weave, like reinforcing framework.
    • Plans and drawings.-
  • At the end of the present report a series of figures are included by drawings that facilitatre the comprenssion of the invention.
  • The Figure 1 shows a sight in perspective of the block of expanded polystyrene suitably reinforced, with the different elements that compose it once installed in work, where the reinforcement anchors remain perfectly visible, so much for the outer face of the polystyrene walls, destinated to receive the covering, as for the inner faces that shape the stuffed cells of concrete. The fixing mesh foreseen in certain cases also is observed.
  • The Figure 2 shows a ground plan of the refered enclosure. In this sight it is appreciated perfectly the insertion of the reinforcing anchor across the outer walls of the block, and the situation of the covering layers and the optional open mesh.
  • The Figure 3 shows a section of the outer wall of the face in the area in where an anchor stayed inserted, which is an area where the wall appears with a mortar cover and the core filled with concrete.
  • At the end, the Figure 4 shows one of the reinforcing anchors characteristics of the present invention, in the preferential variant of end with the shape of hook and end in peak, pointing at opposite directions.
    • OPERATION WAY.-
  • How it is possible to see in the Figures 1 and 2 , the constructive enclosures based on the present invention fulfil from integrated formworks of prefabricated blocks of expanded polystyrene (1) with interior cells that, once in work, are filled of concrete (2), being able to arm with a series of transverse fixing and securing bars (3), characterized for incorporating a plurality of anchors (4) of reinforcement distributed uniformly on its surface.
  • To take to the practice this enclosure it is necesary to begin with the fabrication of the blocks with the reinforcing anchors, later it must proceed to prepare the formwork by these blocks and to throwing the fill of concrete. The anchors cross the isolation before concrete and are going to take resistance to the concrete core, where they remain integrated to the formwork. Then there joins the corresponding fiber mesh and finally one proceeds to apply the wished covering on the external faces of the enclosure.
    • 1. Fabrication of the blocks with the reinforcing anchors.-
  • In the Figure 4 it is appreciated that the anchor (4) characteristic of the invention is executed from a wire, which folded suitably acquires the wished form, presenting in the end orientated to the outer layer of the enclosure in shape of hook (5), and near to the inter end of the anchor, with a form of fold (6).
  • In a preferential accomplishment, the anchor will be developed from wires of stainless steel or other metal of 1,5 mm of diameter and an approximate lenght of 117 mm. Later, it proceeds to the configuration of the same one in a folder machine.
  • First of all, three folds are made in the end which will be orintated to the inner face, with adecuated angles, staying near the end with shape of fold in peak (6) previously described.
  • Then it is proceed to make the three folds in right angle in the end with shape of hook (5). First in the most inner, which will go in the opposite direction to the projecting in shape of peak of the other end; after that, the second one in the same direction, and the most outer one in the opposite direction, staying this end of the anchor parallel to the outer wall of the enclosure.
  • Previously to the collocation of the anchors on the outer faces of each expanded polystyrene block, it is advisable to give it a suitable primer like source of surface join that contributes to consolidate the system. Made this, it is when is proceed to the insertion of the anchors in the outer walls, by hand or authomatically, but in any case distributed uniformly in all the surface of the two sides of the face.
  • The anchors are inserted by the end in shape of peak (6), from the outer face of polystyrene, in way that the wall of isulating material will be between the end with shape of hook and the end in shape of peak.
    • 2. Construction of the enclosure with the prefabricated blocks.-
  • Once prepared the formwork with the prefabricated blocks, one proceeds to concrete the interior cells of polystyrene previous placement of the rods (3) of armor for the concrete, if this way has arranged. In this way, the inner end of the anchor remains fixes in the concrete, as it can be observed in the Figure 2.
    • 3. Application of the covering.-
  • Once plotted and dry the concrete, the enclosure remains ready for the application of the outer covering.
  • For the case of medium-duty covering or stone type, which is where the present invention finds its great advantage, one must use the polystyrene panel accompanied by a mineral fiber or a carbon fiber mesh (7) for the side destinated to the covering, as an armor of reinforcement for the contact material. The mesh remains secure to the lateral outer wall of the expanded polystyrene block (1) thanks to the ends in the shape of hook (5) of the ready anchors (4), as it can be observed in detail in the Figure 3.
  • In a preferential accomplisment showed in the Figure 2, there will apply to itself a thin cap of regulation mortar (8) among the mesh (7) and the expanded polystyrene block (1), so that still the ends stand out lightly in the shape of hook (5) of the anchors (4) for the correct subordination of the mesh, later to realize the placement of slabs of stone or ceramic (9), or the projection of a covering mortar (10) in the outer face on the mineral fiber mesh (7).

Claims (2)

  1. Expanded polystyrene block with reinforcing anchors for construction enclosures, of the type of block that is prefabricated from cells of expanded polystyrene (1) which are intended to be filled with concrete (2) once the block has been installed on site and which can be reinforced for this purpose with a series of transverse metal attachment and securing bars or rods (3), being characterised essentially in that a plurality of reinforcing anchors (4) are inserted uniformly over the surface of one or both lateral polystyrene walls, constituted those anchors by a wire of a stainless metal or iron metal, with anticorrosive protection, and enough length to lay across the wall, which is oriented towards the outer face of the enclosure which is shaped in the form of a hook (5), while the anchor is bent (6) close to the inner end thereof which is to be inserted into the concrete, so the lateral wall of insulating material covers between the enclouser shaped in the form of a hook and the folds of the ends oriented toward the inner face.
  2. Expanded polystyrene block with reinforcing anchors for construction enclosures, according to the first claim, characterized because the end shaped in the form of a hook (5) of the reinforcing anchors is constituted by three folds in right angle, the two most inners in the same direction, and the most outer in the opposite direction, staying this end parallel to the outer face of the enclosure, and because the fold (6) near the other end is constituted for three folds according to two obtuse angles and a central right angle, which form a fold shaped in the form of a peak positioned in the same direction of the end shaped in form of a hook, or in the opposite direction.
EP07822874A 2006-07-28 2007-07-28 Expanded polystyrene block with reinforcing anchors for construction enclosures Withdrawn EP2065530A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200601800U ES1064034Y (en) 2006-07-28 2006-07-28 EXPANDED POLYSTYRENE BLOCK WITH REINFORCEMENT ANCHORS FOR CONSTRUCTION CLOSURES
PCT/ES2007/000466 WO2008012392A2 (en) 2006-07-28 2007-07-28 Expanded polystyrene block with reinforcing anchors for construction enclosures

Publications (1)

Publication Number Publication Date
EP2065530A2 true EP2065530A2 (en) 2009-06-03

Family

ID=38290866

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07822874A Withdrawn EP2065530A2 (en) 2006-07-28 2007-07-28 Expanded polystyrene block with reinforcing anchors for construction enclosures

Country Status (3)

Country Link
EP (1) EP2065530A2 (en)
ES (1) ES1064034Y (en)
WO (1) WO2008012392A2 (en)

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US10640425B2 (en) 1996-01-19 2020-05-05 Romeo Ilarian Ciuperca Method for predetermined temperature profile controlled concrete curing container and apparatus for same
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WO2008012392A2 (en) 2008-01-31
ES1064034U (en) 2007-02-01
ES1064034Y (en) 2007-05-01

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