WO2014185796A1 - Single face stay-in-place formwork - Google Patents

Single face stay-in-place formwork Download PDF

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Publication number
WO2014185796A1
WO2014185796A1 PCT/PL2014/000052 PL2014000052W WO2014185796A1 WO 2014185796 A1 WO2014185796 A1 WO 2014185796A1 PL 2014000052 W PL2014000052 W PL 2014000052W WO 2014185796 A1 WO2014185796 A1 WO 2014185796A1
Authority
WO
WIPO (PCT)
Prior art keywords
formwork
manner
fact
stay
accordance
Prior art date
Application number
PCT/PL2014/000052
Other languages
French (fr)
Inventor
Cezary STACHOŃ
Original Assignee
Stachoń Cezary
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 Stachoń Cezary filed Critical Stachoń Cezary
Publication of WO2014185796A1 publication Critical patent/WO2014185796A1/en

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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
    • 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
    • E04B2002/8682—Mixed technique using permanent and reusable forms
    • 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
    • E04B2002/8688—Scaffoldings or removable supports therefor

Definitions

  • the object of the invention is the method of building the single face stay-in-place formwork that is characteristic due to the fact that the insulating element - the stay-in-place formwork (1) is shaped (profiled) in such a way, particularly by a system of grooves and dents (3), so as concrete with which it is filled (2) ensures good holding of the formwork - insulation, or also the stay-in-place formwork contains additional elements (for example (4), (11)), profiles or tenons out of its own or other material so that the concrete with which they are filled ensures good holding of the formwork - insulation.
  • additional elements for example (4), (11)
  • Polystyrene foam can be ordered in practically any factory in the form of polystyrene foam blocks, which dimensions amount to 100/120 cm and the length that, depending on the producer, most frequently amounts to 4 or 5 metres. It is also possible to order blocks with the needed thickness at once, however, to avoid waste it is advised that the multiple of the thickness amounts to 100 or 120 cm; it also results in lower purchase and transportation costs.
  • polystyrene foam does not present any problems as well, especially cutting out appropriate hollows or inserting additional fastening elements such as pegs, which when they are filled with concrete are going to constitute the fastening of polystyrene foam that is better than the insulating techniques used at present.
  • the proposed solution enables the usage of formwork on one side only, additionally it can be used also on both sides or on one side another element can be used at once, which can be for example a decorative element attached to the concrete or the concrete itself when it is properly processed, it can give a smooth surface - to be painted directly.
  • the proposed solution especially when large polystyrene foam boards are used, decreases the number of joints, the number and volume of elements, it can be used for any thickness (particularly thanks to the fact that the boards are bigger and it is possible to support them (5)). Moreover, in the technology the inaccuracy of earlier layers or blocks does not pose a problem (in contrast with "Lego bricks" in the currently used double-sided stay-in-place formwork), because polystyrene foam can be cut to fit any size and shape (as far as "Lego bricks" are concerned one is limited with the repeating module of for example 5 cm - and its possible inaccuracy).
  • the proposed solution requires an additional at least partial formwork in comparison with the described double-sided stay-in-place formwork - 'Lego bricks", however savings, benefits and possibilities that are mentioned above more than make up for this additional activity.
  • a single face stay-in-place formwork is also known (the patent application no. Al 395503) - foundedThe manner of erecting a low-energy building wall with a stay-in-place formwork and the stay-in- place formwork for erecting a building wall".
  • the formwork has smooth walls. This and other formworks miss the key aspect that appears in this solution - the appropriate shaping of the formwork on the side it contacts concrete in such a way that the concrete permanently holds polystyrene foam.
  • Walls in numerous object formworks or polystyrene boards are smooth or also have some irregular repeatable shapes, however it is designed for a totally different purpose (for example a fastener that makes it easier to cut a profile at a distance equal to the size of a module - for example 5 cm, or a fastener between two walls of a stay-in-place formwork) and what is most important, it does not guarantee sufficiently firm fastening.
  • the object of the invention is the method of building the single face stay-in-place formwork that is characteristic due to the fact that the insulating element - the stay-in-place formwork (1) is shaped in such a way from the side of concrete, particularly by a system of grooves and dents (3), so as the concrete with which it is filled (2) ensures good holding of the formwork - insulation, or also the stay-in-place formwork contains additional elements (for example (4), (11)), profiles or tenons out of its own or other material so that the concrete with which they are filled ensures good holding of the formwork - insulation.
  • additional elements for example (4), (11)
  • the stay-in-place formwork can be used as a double-sided formwork and also as multiple sided or partially or whole in a rounded or irregular shape, especially for posts or masses of irregular shapes.
  • the stay-in-place formwork can be strengthened with special constructions or bars (5) especially when the insulation is of a large thickness or on the outside (plasters) it is going to constitute a large load.
  • the stay-in-place formwork can be made of large polystyrene boards, for instance a polystyrene block of dimensions: 100/120/500 cm.
  • the filler may be concrete or other material with appropriate plastic and strength parameters. It is beneficial for the manner in the version 1 that the formwork can be made of diverse insulating materials and also other than insulating materials for example, decorative or finishing, and also the outside of polystyrene foam can be processed beforehand (for example with a net with glue or even with plaster).
  • the stay-in-place formwork that keeps the insulation may be only partial for example it can be spot or linear especially for thick insulation that is going to hold concrete tightly.
  • the stay-in-place formwork can contain appropriate shapes for example indents, which after they are filled with concrete can constitute additional elements, for example a pillar.
  • additional fasteners for example pegs
  • elements other than plastic for example steel, including stainless steel, which will increase their life-span and strength considerably (one can use bowstrings that join formworks in a similar way).
  • Fig. 1 depicts the stay-in-place formwork in a form of for instance polystyrene foam (1), which is specially shaped in the area it contacts concrete by additional special indents (3) that are filled with concrete (2), which results in excellent holding of polystyrene foam that makes it impossible to separate it and the concrete.
  • polystyrene foam can contain additional fasteners (4) such as pegs, anchors and other elements with appropriate shapes, which can be made in a factory - also during forming of polystyrene foam, but also at the construction site by being fastened in an appropriate way, for example after a hole is drilled (10), which after a peg is fastened can be insulated, by which a cold bridge is avoided.
  • Another way to improve fastening is to use additional brackets (5) that fasten polystyrene foam with concrete, but also support it further from the concrete (which is essential for a thick polystyrene insulation, among other reasons due to it being loaded with glue and plaster or other finishing elements).
  • additional formwork which can be partial in the case of a formwork (9) that holds polystyrene foam - the stay-in-place formwork (2), or it has to be a full formwork for concrete (8).
  • a bowstring nut (7) is attached at the ends of formwork bowstrings (6), which can be also later user as additional fastening (like pegs), especially if they are screwed (it is possible to use a lock washer and a nut also inside polystyrene foam - without creating a cold bridge).

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Building Environments (AREA)
  • Moulds, Cores, Or Mandrels (AREA)

Abstract

The object of the invention is the method of building the single face stay-in-place formwork that is characteristic due to the fact that the insulating element - the stay-in-place formwork (1) is shaped (profiled) in such a way, particularly by a system of grooves and dents (3), so as the concrete with which it is filled (2) ensures good holding of the formwork - insulation, or also the stay-in-place formwork contains additional elements (for example (4), (11)), profiles, pegs or tenons out of its own or other material so that the concrete with which they are filled ensures good holding of the formwork - insulation.

Description

Single face stay-in-place formwork
The object of the invention is the method of building the single face stay-in-place formwork that is characteristic due to the fact that the insulating element - the stay-in-place formwork (1) is shaped (profiled) in such a way, particularly by a system of grooves and dents (3), so as concrete with which it is filled (2) ensures good holding of the formwork - insulation, or also the stay-in-place formwork contains additional elements (for example (4), (11)), profiles or tenons out of its own or other material so that the concrete with which they are filled ensures good holding of the formwork - insulation.
In the construction industry commonly known and used is the double faced polystyrene foam stay-in-place formwork, which is formed in a manner similar to building out of "Lego bricks", which are prepared beforehand in a factory. The above-mentioned solution is characterized by some limitations such as for instance: the necessity of making a special form of polystyrene foam, the formwork has to be made on two sides, a large number of joints, a great number and diversity of elements, a large capacity of elements (also together with the empty space for concrete), the price, transportation costs, difficulty in ensuring the accuracy of workmanship, limitations concerning the thickness of the formwork, difficulties in repairing imprecision of workmanship for example of earlier layers, and other limitations, which do not occur or occur to a far less extent as far as the proposed solution is concerned.
In the proposed solution all the above-mentioned shortcomings have been eliminated or considerably limited. Polystyrene foam can be ordered in practically any factory in the form of polystyrene foam blocks, which dimensions amount to 100/120 cm and the length that, depending on the producer, most frequently amounts to 4 or 5 metres. It is also possible to order blocks with the needed thickness at once, however, to avoid waste it is advised that the multiple of the thickness amounts to 100 or 120 cm; it also results in lower purchase and transportation costs. The processing of polystyrene foam does not present any problems as well, especially cutting out appropriate hollows or inserting additional fastening elements such as pegs, which when they are filled with concrete are going to constitute the fastening of polystyrene foam that is better than the insulating techniques used at present. The proposed solution enables the usage of formwork on one side only, additionally it can be used also on both sides or on one side another element can be used at once, which can be for example a decorative element attached to the concrete or the concrete itself when it is properly processed, it can give a smooth surface - to be painted directly. The proposed solution, especially when large polystyrene foam boards are used, decreases the number of joints, the number and volume of elements, it can be used for any thickness (particularly thanks to the fact that the boards are bigger and it is possible to support them (5)). Moreover, in the technology the inaccuracy of earlier layers or blocks does not pose a problem (in contrast with "Lego bricks" in the currently used double-sided stay-in-place formwork), because polystyrene foam can be cut to fit any size and shape (as far as "Lego bricks" are concerned one is limited with the repeating module of for example 5 cm - and its possible inaccuracy). The proposed solution requires an additional at least partial formwork in comparison with the described double-sided stay-in-place formwork - 'Lego bricks", however savings, benefits and possibilities that are mentioned above more than make up for this additional activity.
Systems of a stay-in-place formwork where walls on both sides are joint together (which makes transportation easier) are also known, but for the system to work well it is essential that both walls are joint with a fastener that keeps them apart at an appropriate distance, what is more they also function in the "Lego bricks" system and require special forms and shapes (for example corners).
A single face stay-in-place formwork is also known (the patent application no. Al 395503) - „The manner of erecting a low-energy building wall with a stay-in-place formwork and the stay-in- place formwork for erecting a building wall". However, the formwork has smooth walls. This and other formworks miss the key aspect that appears in this solution - the appropriate shaping of the formwork on the side it contacts concrete in such a way that the concrete permanently holds polystyrene foam. Walls in numerous object formworks or polystyrene boards are smooth or also have some irregular repeatable shapes, however it is designed for a totally different purpose (for example a fastener that makes it easier to cut a profile at a distance equal to the size of a module - for example 5 cm, or a fastener between two walls of a stay-in-place formwork) and what is most important, it does not guarantee sufficiently firm fastening.
The object of the invention is the method of building the single face stay-in-place formwork that is characteristic due to the fact that the insulating element - the stay-in-place formwork (1) is shaped in such a way from the side of concrete, particularly by a system of grooves and dents (3), so as the concrete with which it is filled (2) ensures good holding of the formwork - insulation, or also the stay-in-place formwork contains additional elements (for example (4), (11)), profiles or tenons out of its own or other material so that the concrete with which they are filled ensures good holding of the formwork - insulation.
It is beneficial for the manner in the version 1 that the stay-in-place formwork can be used as a double-sided formwork and also as multiple sided or partially or whole in a rounded or irregular shape, especially for posts or masses of irregular shapes.
It is beneficial for the manner in the version 1 that the stay-in-place formwork can be strengthened with special constructions or bars (5) especially when the insulation is of a large thickness or on the outside (plasters) it is going to constitute a large load.
It is beneficial for the manner in the version 1 that the stay-in-place formwork can be made of large polystyrene boards, for instance a polystyrene block of dimensions: 100/120/500 cm.
It is beneficial for the manner in the version 1 that while making the stay-in-place formwork it is possible to use steel bowstrings (6) that hold the formwork on both sides for later additional fastening of polystyrene foam like pegs (fasteners) for polystyrene foam with the possibility to hide them partially in polystyrene foam in order to reduce cold bridges.
It is beneficial for the manner in the version 1 that the filler may be concrete or other material with appropriate plastic and strength parameters. It is beneficial for the manner in the version 1 that the formwork can be made of diverse insulating materials and also other than insulating materials for example, decorative or finishing, and also the outside of polystyrene foam can be processed beforehand (for example with a net with glue or even with plaster).
It is beneficial for the manner in the version 1 that the stay-in-place formwork that keeps the insulation may be only partial for example it can be spot or linear especially for thick insulation that is going to hold concrete tightly.
It is beneficial for the manner in the version 1 that the stay-in-place formwork can contain appropriate shapes for example indents, which after they are filled with concrete can constitute additional elements, for example a pillar.
It is beneficial for the manner in the version 1 that in a space designed for concrete there can be special gaps that maintain an appropriate distance between fromworks.
It is beneficial for the manner in the version 1 that additional fasteners, for example pegs, can be made out of elements other than plastic, for example steel, including stainless steel, which will increase their life-span and strength considerably (one can use bowstrings that join formworks in a similar way).
The description of the drawing:
Fig. 1 depicts the stay-in-place formwork in a form of for instance polystyrene foam (1), which is specially shaped in the area it contacts concrete by additional special indents (3) that are filled with concrete (2), which results in excellent holding of polystyrene foam that makes it impossible to separate it and the concrete. Furthermore, polystyrene foam can contain additional fasteners (4) such as pegs, anchors and other elements with appropriate shapes, which can be made in a factory - also during forming of polystyrene foam, but also at the construction site by being fastened in an appropriate way, for example after a hole is drilled (10), which after a peg is fastened can be insulated, by which a cold bridge is avoided. Another way to improve fastening is to use additional brackets (5) that fasten polystyrene foam with concrete, but also support it further from the concrete (which is essential for a thick polystyrene insulation, among other reasons due to it being loaded with glue and plaster or other finishing elements). During filling with concrete it is advisable to use an additional formwork, which can be partial in the case of a formwork (9) that holds polystyrene foam - the stay-in-place formwork (2), or it has to be a full formwork for concrete (8). A bowstring nut (7) is attached at the ends of formwork bowstrings (6), which can be also later user as additional fastening (like pegs), especially if they are screwed (it is possible to use a lock washer and a nut also inside polystyrene foam - without creating a cold bridge).

Claims

Claims
1. The manner of making the single face stay-in-place formwork characteristic due to the fact that the insulating element - the stay-in-place formwork is shaped (profiled) in such a way, particularly by a system of grooves and dents or also it contains additional elements, profiles, pegs or tenons out of its own or other material so that the concrete with which they are filled ensures good holding of the formwork without the necessity of additional fastening.
2. The manner in accordance with the claim no. 1 characteristic due to the fact that it can be used as a double-sided formwork and also as multiple sided or partially or as a whole in a rounded or irregular shape, especially for masses of irregular shapes or posts.
3. The manner in accordance with the claim no. 1 characteristic due to the fact that the stay-in-place formwork can be strengthened with special constructions or bars especially when the insulation is of a large thickness or on the outside (plasters) it is going to constitute a large load.
4. The manner in accordance with the claim no. 1 characteristic due to the fact that the stay-in-place formwork can be made of large polystyrene boards, for instance a polystyrene block of dimensions: 100/120/500 cm.
5. The manner in accordance with the claim no. 1 characteristic due to the fact that it is possible to use steel bowstrings that hold the formwork on both sides for later additional fastening of polystyrene foam like pegs (fasteners) for polystyrene foam with the possibility to hide them partially in polystyrene foam in order to reduce cold bridges.
6. The manner in accordance with the claim no. 1 characteristic due to the fact that the filler may be concrete or other material with appropriate plastic and strength parameters.
7. The manner in accordance with the claim no. 1 characteristic due to the fact that the formwork can be made of diverse insulating materials and also other than insulating materials for example, decorative or finishing, and also the outside of polystyrene foam can be processed beforehand (for example with a net with glue or even with plaster).
8. The manner in accordance with the claim no. 1 characteristic due to the fact that the stay-in-place formwork that keeps the insulation may be only partial for example it can be spot or linear especially for thick insulation that is going to hold concrete tightly.
9. The manner in accordance with the claim no. 1 characteristic due to the fact that the stay-in-place formwork can contain appropriate shapes for example indents, which after they are filled with concrete can constitute additional elements, for example posts and pillars.
10. The manner in accordance with the claim no. 1 characteristic due to the fact that in a space designed for concrete there can be special gaps that maintain an appropriate distance between formworks.
11. The manner in accordance with the claim no. 1 characteristic due to the fact that additional fasteners, for example pegs, can be made out of elements other than plastic, for example steel, including stainless steel, which will increase their life-span and strength considerably (one can use bowstrings that join formworks in a similar way).
PCT/PL2014/000052 2013-05-16 2014-05-15 Single face stay-in-place formwork WO2014185796A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PL40391813A PL403918A1 (en) 2013-05-16 2013-05-16 One-sided stay-in-place formwork
PLP.403918 2013-05-16

Publications (1)

Publication Number Publication Date
WO2014185796A1 true WO2014185796A1 (en) 2014-11-20

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WO (1) WO2014185796A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104499609A (en) * 2014-12-19 2015-04-08 曲阜明德保温技术有限公司 External-formwork cast-in-place concrete composite external wall external thermal insulation system
CN104831824A (en) * 2015-06-02 2015-08-12 江苏长达环保节能科技有限公司 Point embedded type compound heat-preserving disassembly-free formwork and machining technology thereof
CN109577523A (en) * 2018-12-26 2019-04-05 北京绿城易筑科技有限公司 For spraying the template and construction method of walling body
CN111877574A (en) * 2020-06-16 2020-11-03 中交第三公路工程局有限公司 FS exterior sheathing cast in situ concrete composite insulation structure

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL413097A1 (en) 2015-07-10 2017-01-16 Mieczysław Grobelny Concrete panel, preferably for composite floors and the composite floor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1484204A1 (en) * 1962-05-03 1969-06-04 Wolfgang Haacke Component
FR2098021A5 (en) * 1970-07-27 1972-03-03 Steuler Industriewerke Gmbh
DE2508398A1 (en) * 1975-02-26 1976-09-09 Rudolf Grundner Concrete ceiling or wall cladding insulating slab units - with ribbed profiles on inward side for anchorage to concrete
DE29613639U1 (en) * 1996-08-07 1996-12-12 Hoffmann, Michael, 26127 Oldenburg Prefabricated thermal insulation board
JPH09112029A (en) * 1995-10-13 1997-04-28 Achilles Corp Heat insulating panel made of polystyrene foaming body
PL395503A1 (en) 2011-07-01 2013-01-07 Przed Prod Uslugowe Ekobud Spolka Z Ograniczona Odpowiedzialnoscia Method for fabrication of energy-efficient building wall in the stay-in-place formwork and the stay-in-place formwork to fabricate the building wall

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1484204A1 (en) * 1962-05-03 1969-06-04 Wolfgang Haacke Component
FR2098021A5 (en) * 1970-07-27 1972-03-03 Steuler Industriewerke Gmbh
DE2508398A1 (en) * 1975-02-26 1976-09-09 Rudolf Grundner Concrete ceiling or wall cladding insulating slab units - with ribbed profiles on inward side for anchorage to concrete
JPH09112029A (en) * 1995-10-13 1997-04-28 Achilles Corp Heat insulating panel made of polystyrene foaming body
DE29613639U1 (en) * 1996-08-07 1996-12-12 Hoffmann, Michael, 26127 Oldenburg Prefabricated thermal insulation board
PL395503A1 (en) 2011-07-01 2013-01-07 Przed Prod Uslugowe Ekobud Spolka Z Ograniczona Odpowiedzialnoscia Method for fabrication of energy-efficient building wall in the stay-in-place formwork and the stay-in-place formwork to fabricate the building wall

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104499609A (en) * 2014-12-19 2015-04-08 曲阜明德保温技术有限公司 External-formwork cast-in-place concrete composite external wall external thermal insulation system
CN104499609B (en) * 2014-12-19 2019-03-08 叶昶彤 A kind of external mold plate cast-in-place concrete composite exterior wall outer heat preservation system
CN104831824A (en) * 2015-06-02 2015-08-12 江苏长达环保节能科技有限公司 Point embedded type compound heat-preserving disassembly-free formwork and machining technology thereof
CN109577523A (en) * 2018-12-26 2019-04-05 北京绿城易筑科技有限公司 For spraying the template and construction method of walling body
CN111877574A (en) * 2020-06-16 2020-11-03 中交第三公路工程局有限公司 FS exterior sheathing cast in situ concrete composite insulation structure
CN111877574B (en) * 2020-06-16 2021-11-09 中交第三公路工程局有限公司 FS exterior sheathing cast in situ concrete composite insulation structure

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