EP3059350B1 - Schalungskantenelement und verfahren zur formung eines fundaments für ein gebäude - Google Patents

Schalungskantenelement und verfahren zur formung eines fundaments für ein gebäude Download PDF

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Publication number
EP3059350B1
EP3059350B1 EP16155692.3A EP16155692A EP3059350B1 EP 3059350 B1 EP3059350 B1 EP 3059350B1 EP 16155692 A EP16155692 A EP 16155692A EP 3059350 B1 EP3059350 B1 EP 3059350B1
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EP
European Patent Office
Prior art keywords
formwork
edge
insulating material
edge element
foundation
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Application number
EP16155692.3A
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English (en)
French (fr)
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EP3059350A1 (de
Inventor
Engelbert Hendrik Bernhard Schlüter
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Hectar Intellectual Property BV
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Hectar Intellectual Property BV
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Priority to EP22161122.1A priority Critical patent/EP4029997A1/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/01—Flat foundations
    • E02D27/013—Shuttering specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/01—Flat foundations
    • E02D27/02—Flat foundations without substantial excavation

Definitions

  • the present invention relates to a formwork edge element of insulating material for manufacturing a formwork edge for a formwork floor of insulating material for a foundation floor to be poured for a building.
  • the invention also relates to a method for forming a foundation of a building, such as a dwelling, comprising the steps of:
  • Such a method is described for instance in WO2011/135354 together with a system of blocks of insulating material for application in the method.
  • a temporary edge is arranged round the formwork floor. After pouring of a part of the foundation floor the edge is moved and the rest of the foundation floor is poured, after which the edge is removed. In this way a foundation floor with a stepped peripheral edge is formed for recessed placing of a wall.
  • the known method has the drawback that cold thermal bridging occurs at the location of the contact surfaces between the wall and the foundation floor, which has an adverse effect on the insulation values of the building.
  • a foundation floor formwork element according to the preamble of claim 1 is known from WO2007046718 .
  • the invention has for its object to provide an improved foundation floor formwork edge element of the type stated above.
  • the formwork edge element according to the invention is configured to be integrated into the foundation and here connects the formwork floor insulation to the wall insulation, whereby an insulation shell is created in the building which has a favourable influence on the insulation value of the building. Because of the space in the formwork edge element a peripheral edge is created on the concrete foundation floor and extends into the formwork edge element and imparts strength thereto. A foundation is created as a result with a foundation edge element for placing of walls without thermal bridging.
  • the top part is provided with one or more strengthening elements for the purpose of supporting the wall.
  • a thus strengthened foundation is suitable for heavier walls, for example brickwork outer walls.
  • the one or more strengthening elements comprise strips of a second insulating material with a greater load-bearing capacity than the first insulating material.
  • the one or more strengthening elements comprise inserts of a third insulating material with a greater load-bearing capacity than the first insulating material and the top part is provided with through-openings for receiving the inserts.
  • the number of inserts and the mutual distance therebetween can be adapted to the required load-bearing capacity of the foundation.
  • the top part comprises an at least partially inclining surface for connection to the wall of the building.
  • the inclining surface facilitates drainage, for instance of cavity water from a cavity wall.
  • the foundation floor formwork edge element comprises a number of partitions which extend in the space between the top part and the bottom part.
  • Suitable insulating material is expanded polystyrene (EPS), preferably with a compression strength between 100 and 350 kPa.
  • EPS expanded polystyrene
  • the second insulating material is then preferably expanded polystyrene (EPS) with a compression strength between 250 and 500 kPa.
  • EPS expanded polystyrene
  • a highly suitable third insulating material is glass foam, preferably bonded glass foam granulate.
  • the invention further provides a method of the type stated in the preamble, wherein the method is characterized by the following steps of:
  • foundation floor formwork edge elements in the method according to the invention results in a shorter construction time.
  • the method can moreover be carried out with fewer personnel.
  • the formwork forms part of the foundation, whereby supply and disposal of formwork materials can be avoided.
  • Figures 1A and 1B show schematic cross-sections of a part of a first building in which a first preferred embodiment of the foundation floor formwork edge element according to the invention is arranged.
  • the building is a for instance a dwelling.
  • Figure 1B shows a schematic front view of the formwork edge element of figure 1A
  • figure 1C shows a schematic rear view of the formwork edge element of figure 1A .
  • a plurality of formwork edge elements 1 have to be placed along the periphery of a formwork floor 100.
  • Formwork floor 100 can consist of a plurality of adjacent plate elements.
  • the formwork edge elements form together with the formwork floor elements a formwork of a first insulating material for a concrete foundation floor 101 to be poured.
  • Suitable materials for use as first insulating material are expanded polystyrene (EPS), extruded polystyrene (XPS) or similar materials with comparable insulation value and compression strength.
  • EPS expanded polystyrene
  • XPS extruded polystyrene
  • Various types of concrete can be poured hereon, including conventional (reinforced) concrete, steel fiber concrete or a combination thereof, also known as hybrid concrete.
  • peripheral edge 102 is formed on foundation floor 100. This peripheral edge 102 is shown in the context of this text as lateral frost-protected edge.
  • Wall 110 is placed on formwork edge element 1 above lateral frost-protected edge 102.
  • wall 110 is a timber frame construction wall consisting of various plate materials, including insulating material 111. Because of formwork edge element 1 a continuous shell of insulating material is created (100, 1, 111) without thermal bridging.
  • Formwork edge element 1 comprises a bottom part 3 and a top part 2 which are connected to each other on one side by means of an edge part 4.
  • Top part 2 extends from edge part 4 over a portion of bottom part 3 at some distance therefrom.
  • Formed as a result between top part 2 and bottom part 3 is a space for receiving concrete to be poured. This space determines the shape of lateral frost-protected edge 102.
  • a number of partitions 5 extend between top part 2 and bottom part 3. These partitions 5 are stiffening partitions which guarantee the dimensional stability of formwork edge element 1 during the pouring and curing of the concrete.
  • Bottom part 3 is configured for connection to formwork floor 100.
  • the bottom part 3 comprises a stepped shape on one side with surfaces 3A, 3B and 3C.
  • Formwork floor 100 therefore has a stepped shape coacting therewith so that formwork edge element 1 can be placed in dimensionally stable manner against formwork floor 100.
  • Top part 2 is configured for connection to insulating material in wall 110. Top part 2 is provided for this purpose with connecting surface 2A. Situated adjacently of connecting surface 2A is an upward sloping drainage surface 2B which transposes into a fixing surface 2C.
  • Formwork edge element 1 is provided on the underside with a sawtooth pattern 9.
  • the sawtooth pattern serves the purpose of absorbing pressure differences occurring in the ground surface after pouring of the foundation floor so as to prevent the formation of cracks in the formwork edge element.
  • Figure 2A shows a schematic cross-section through a part of a second building in which a second preferred embodiment of the foundation floor formwork edge element according to the invention is arranged.
  • Figure 2B shows a schematic front view of the formwork edge element of figure 2A .
  • Figure 3A shows a schematic cross-section through a part of a third building in which a third preferred embodiment of the foundation floor formwork edge element according to the invention is arranged.
  • Figure 3B shows a schematic front view of the formwork edge element of figure 3A .
  • the formwork edge elements 11, 21 respectively are adapted to be able to support a heavy outer wall 112, 212 respectively.
  • the modification relates to only top part 12, 22 respectively of the associated formwork edge element 11, 21 respectively.
  • Formwork edge element 11 and formwork edge element 21 are provided with one or more strengthening elements 6, 8 respectively for supporting an outer wall 112, 212 respectively to be placed on top part 12, 22 respectively.
  • Formwork edge element 11 is provided with strips 6 of a second insulating material with a greater load-bearing capacity than the first insulating material. Use is preferably made of the same insulating material, but then with a higher compression strength.
  • the first insulating material is EPS with a compression strength between 100 and 350 kPa.
  • a suitable second insulating material is then for instance EPS with a compression strength between 250 and 500 kPa.
  • the strips are located at the position of fixing surface 2C in figure 1C . These strips can be co-formed with formwork edge element 11 during the autoclaving. Strength calculations have shown that formwork edge element 11 has sufficient load-bearing capacity to be able to support a brickwork outer wall 112, for instance as part of a cavity wall.
  • Formwork edge element 21 is provided with one or more inserts 8 of a third insulating material with a greater load-bearing capacity than the first insulating material. Openings 7 are arranged in fixing surface 21C for receiving inserts 8.
  • a suitable material for inserts 8 comprises glass foam, preferably bonded glass foam granulate. Inserts 8 are preferably cone-shaped. An example of a suitable material for inserts 8 is (ultra-)light concrete. The desired shape of the inserts can be obtained by binding by means of cement or other suitable binder.
  • Cavity wall 210 comprises an outer wall 212 an inner wall 213 between which insulating material 211 is arranged. Insulating material 211 connects to surface 21A and forms an insulation shell in co-action with formwork edge element 21 and formwork floor 100.
  • formwork edge elements 11 and 21 are interchangeable in figures 2A and 3A .
  • the present invention is based on the insight of providing a foundation floor formwork edge element for co-action with a formwork floor of insulating material for the purpose of forming a so-called lost formwork for pouring of a concrete foundation floor.
  • the formwork edge element forms as it were a shoe for receiving concrete and forming a lateral frost-protected edge.
  • the formwork edge element is configured to support a wall.
  • the formwork edge element is configured such that it also connects to insulating material of a wall intended for placing on the formwork edge element.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Foundations (AREA)
  • Building Environments (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Claims (10)

  1. Fundamentboden-Schalungsrandelement (1; 11; 21) aus Isoliermaterial für ein Gebäude, wobei das Randelement mit einem unteren Teil (3) und einem oberen Teil (2; 12; 22) versehen ist, die mittels eines Randteils (4) miteinander verbunden sind, wobei sich der obere Teil von dem Randteil über einen Abschnitt des unteren Teils in einem gewissen Abstand von dem unteren Teil erstreckt, so dass ein Raum zwischen dem unteren Teil, dem Randteil und dem oberen Teil gebildet wird, wobei der Raum so konfiguriert ist, dass er zu gießenden Beton aufnimmt, wobei der untere Teil zur Verbindung mit einem Schalungsboden (100) konfiguriert ist und wobei der obere Teil für die Platzierung einer Wand (110; 210) des Gebäudes und für die Verbindung mit Isoliermaterial (111) in der Wand konfiguriert ist, dadurch gekennzeichnet, dass der untere Teil (3) sich von dem Randteil (4) in einer Richtung erstreckt, die von dem oberen Teil abgewandt ist, und das Randelement (1; 11; 21) ferner mit dreieckigen Teilen versehen ist, die in einer Reihe entlang einer Seite des Randteils (4) angeordnet sind, die von dem oberen Teil (2; 12; 22) abgewandt ist, wobei jedes dreieckige Teil eine erste gerade Seite hat, die mit der Seite des Randteils (4) verbunden ist, und eine zweite gerade Seite, die mit einer Oberseite des unteren Teils (3) verbunden ist, das sich benachbart zu der Seite des Randteils erstreckt, wobei das untere Teil (3) auf der Unterseite mit einem Sägezahnmuster (9) versehen ist.
  2. Fundamentboden-Schalungsrandelement (1 1; 21) nach Anspruch 1, wobei der obere Teil (12; 22) mit einem oder mehreren Verstärkungselementen (6; 8) zum Zweck der Unterstützung der Wand (112; 212) versehen ist.
  3. Fundamentboden-Schalungsrandelement (11) nach Anspruch 2, wobei das eine oder die mehreren Verstärkungselemente Streifen (6) aus einem zweiten Isoliermaterial mit einer größeren Tragfähigkeit als das erste Isoliermaterial umfassen.
  4. Fundamentboden-Schalungsrandelement (21) nach Anspruch 2, wobei das eine oder die mehreren Verstärkungselemente Einlagen (8) aus einem dritten Isoliermaterial mit einer größeren Tragfähigkeit als das erste Isoliermaterial umfassen und wobei der obere Teil (22) mit Durchgangsöffnungen (7) zur Aufnahme der Einlagen (8) versehen ist.
  5. Fundamentdeckenschalungsrandelement (1; 11; 21) nach einem oder mehreren der vorhergehenden Ansprüche, wobei der obere Teil (2; 12; 22) eine zumindest teilweise geneigte Fläche (2B) zur Verbindung mit der Gebäudewand aufweist.
  6. Fundamentboden-Schalungsrandelement (1; 11; 21) nach einem oder mehreren der vorangehenden Ansprüche, wobei das Schalungsrandelement eine Anzahl von Trennwänden (5) aufweist, die sich in den Raum zwischen dem oberen Teil (2; 12; 22) und dem unteren Teil (3) erstrecken.
  7. Fundamentboden-Schalungsrandelement (1; 11; 21) nach einem oder mehreren der vorangehenden Ansprüche, wobei das Isoliermaterial expandiertes Polystyrol (EPS) ist, vorzugsweise mit einer Druckfestigkeit zwischen 100 und 350 kPa.
  8. Fundamentboden-Schalungsrandelement (11) nach einem oder mehreren der vorangehenden Ansprüche 3-7, wobei das zweite Isoliermaterial expandiertes Polystyrol (EPS) ist, vorzugsweise mit einer Druckfestigkeit zwischen 250 und 500 kPa.
  9. Fundamentboden-Schalungsrandelement (21) nach einem oder mehreren der vorangehenden Ansprüche 4-7, wobei das dritte Isoliermaterial Glasschaum, vorzugsweise gebundenes Glasschaumgranulat, umfasst.
  10. Verfahren zum Herstellen eines Fundaments für ein Gebäude, wie z.B. ein Wohnhaus, mit den Schritten:
    a) Herstellen einer Schalung durch Aneinanderlegen von Plattenelementen aus Isoliermaterial, um einen Schalungsboden (100) zu bilden, und eine Kante entlang des Schalungsbodens angeordnet wird; und
    b) Gießen von Material, wie z.B. Beton, in die Schalung, wobei das Verfahren durch die folgenden Schritte gekennzeichnet ist:
    c) Anordnen der Kante durch Verlegen einer Anzahl von Fundamentboden-Schalungsrandelementen (1; 11; 21) gemäß einem oder mehreren der vorangehenden Ansprüche entlang des Umfangs des Schalungsbodens (100); und
    d) Gießen des Materials, wie z.B. Beton, in die Schalungsrandelemente (1; 11; 21), wobei die Schalungsrandelemente die Randelemente (102) des Fundaments (101) bilden.
EP16155692.3A 2015-02-17 2016-02-15 Schalungskantenelement und verfahren zur formung eines fundaments für ein gebäude Active EP3059350B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22161122.1A EP4029997A1 (de) 2015-02-17 2016-02-15 Schalungskantenelement und verfahren zur formung eines fundaments für ein gebäude

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2014305A NL2014305B1 (nl) 2015-02-17 2015-02-17 Bekistingsrandelement en werkwijze voor het vormen van een fundering voor een gebouw.

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP22161122.1A Division EP4029997A1 (de) 2015-02-17 2016-02-15 Schalungskantenelement und verfahren zur formung eines fundaments für ein gebäude
EP22161122.1A Division-Into EP4029997A1 (de) 2015-02-17 2016-02-15 Schalungskantenelement und verfahren zur formung eines fundaments für ein gebäude

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Publication Number Publication Date
EP3059350A1 EP3059350A1 (de) 2016-08-24
EP3059350B1 true EP3059350B1 (de) 2022-04-20

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EP16155692.3A Active EP3059350B1 (de) 2015-02-17 2016-02-15 Schalungskantenelement und verfahren zur formung eines fundaments für ein gebäude
EP22161122.1A Pending EP4029997A1 (de) 2015-02-17 2016-02-15 Schalungskantenelement und verfahren zur formung eines fundaments für ein gebäude

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EP (2) EP3059350B1 (de)
ES (1) ES2922803T3 (de)
NL (1) NL2014305B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10428484B2 (en) * 2018-01-12 2019-10-01 Innovation Iso-Slab Inc. Insulated slab-on-grade foundation system
GB2611181B (en) * 2018-09-21 2023-10-25 George Ibberson William Building shell and method of building construction

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE406881B (sv) * 1978-05-30 1979-03-05 Euroc Development Ab Sett vid framstellning av ett laminat
US4202145A (en) * 1978-11-20 1980-05-13 Leav-Er-Rite Mfg. Co. Incorporated Cast-in-place concrete slab pouring form
JPH10219706A (ja) * 1997-02-13 1998-08-18 Dow Kakoh Kk 土間床用断熱ユニット、土間床断熱工法及び土間床断熱構造
NZ542068A (en) * 2005-10-19 2007-01-26 Peter Raymond Harris Concrete floor system, incorporating foundation footing
WO2011135354A2 (en) 2010-04-29 2011-11-03 Sig Plc Method for forming a building foundation, building foundation, system, spacer, connector and insulating block

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EP4029997A1 (de) 2022-07-20
ES2922803T3 (es) 2022-09-20
EP3059350A1 (de) 2016-08-24
NL2014305B1 (nl) 2016-10-13

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