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EP1207240A1 - Schalung für eine Betonwand die auch als Bewehrung wirkt - Google Patents

Schalung für eine Betonwand die auch als Bewehrung wirkt Download PDF

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Publication number
EP1207240A1
EP1207240A1 EP00124716A EP00124716A EP1207240A1 EP 1207240 A1 EP1207240 A1 EP 1207240A1 EP 00124716 A EP00124716 A EP 00124716A EP 00124716 A EP00124716 A EP 00124716A EP 1207240 A1 EP1207240 A1 EP 1207240A1
Authority
EP
European Patent Office
Prior art keywords
formwork
wall
walls
stiffeners
connecting elements
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Withdrawn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
EP00124716A
Other languages
English (en)
French (fr)
Inventor
Pierre Messiqua
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.)
Pumila-Consultadoria e Servicos Ltda
Original Assignee
Pumila-Consultadoria e Servicos Ltda
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 Pumila-Consultadoria e Servicos Ltda filed Critical Pumila-Consultadoria e Servicos Ltda
Priority to EP00124716A priority Critical patent/EP1207240A1/de
Priority to SK572-2003A priority patent/SK5722003A3/sk
Priority to CNA018188060A priority patent/CN1474904A/zh
Priority to RU2002132192/03A priority patent/RU2225922C1/ru
Priority to CA002428498A priority patent/CA2428498C/en
Priority to AU2001220209A priority patent/AU2001220209B2/en
Priority to PCT/IB2001/000017 priority patent/WO2002038878A1/fr
Priority to KR1020037006446A priority patent/KR100787708B1/ko
Priority to MXPA03004068A priority patent/MXPA03004068A/es
Priority to PL01361390A priority patent/PL361390A1/xx
Priority to US10/416,571 priority patent/US7162845B2/en
Priority to IL15576501A priority patent/IL155765A0/xx
Priority to AU2020901A priority patent/AU2020901A/xx
Priority to BR0115285-8A priority patent/BR0115285A/pt
Priority to NZ525732A priority patent/NZ525732A/en
Priority to OA1200300133A priority patent/OA12433A/fr
Priority to HU0303564A priority patent/HUP0303564A2/hu
Priority to JP2002541183A priority patent/JP2004513270A/ja
Priority to CZ20031264A priority patent/CZ20031264A3/cs
Priority to APAP/P/2003/002798A priority patent/AP1581A/en
Priority to EP01900006A priority patent/EP1339926A1/de
Publication of EP1207240A1 publication Critical patent/EP1207240A1/de
Priority to MA27123A priority patent/MA25968A1/fr
Priority to BG107782A priority patent/BG107782A/xx
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
    • 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
    • E04B2/8635—Walls made by casting, pouring, or tamping in situ made in permanent forms with ties attached to the inner faces of the 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
    • E04B2/8658—Walls made by casting, pouring, or tamping in situ made in permanent forms using wire netting, a lattice or the like as form leaves
    • 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
    • E04B2002/8694—Walls made by casting, pouring, or tamping in situ made in permanent forms with hinged spacers allowing the formwork to be collapsed for transport

Definitions

  • the invention relates to a wall of concrete or similar material made from an unfolded lost formwork integrated into the wall and comprising two shuttering walls placed opposite and connected by elements of articulation to the shuttering walls by means of stiffeners integral with the formwork walls, the interval between these formwork walls after unfolding being filled with a filling material such as concrete.
  • the invention also relates to a method for producing such a wall as well a formwork / frame specially adapted to the construction of this wall.
  • formwork which delimits a volume into which concrete is poured.
  • these forms include: two walls placed opposite defining between them an interval into which concrete is introduced, and connecting devices keeping the walls at the required spacing.
  • spacers whose ends come to bear on the shuttering faces arranged opposite and these spacers are crossed by blocking pieces bearing on the external faces of the formwork walls.
  • a formwork of the aforementioned type is known from patent FR-A-2,675,181.
  • articulated connecting elements reduce the number of operations assembly, and to facilitate the installation of the formwork while retaining its resistance and compliance with safety and manufacturing standards, this with a light structure.
  • WO 97/31165 describes an improvement employing a elongated element folded in a zigzag as an articulated connecting element which distributes the forces in the concrete parallel to the external faces of the wall, so as to create a skin exerting a fret effect. So the wall is strengthened.
  • One of the results which the invention aims to obtain is to further increase the strength of the concrete walls obtained with this type of formwork, in particular by an internal frame, this in a simple manner and in eliminating or reducing the use of separate reinforcing elements to install on site.
  • the invention relates to a concrete or material wall similar made from an unfolded formwork integrated into the wall and comprising two shuttering walls placed opposite and connected by connecting elements articulated to the shuttering walls by means of stiffeners integral with the formwork walls, the interval between these walls unfolded formwork being filled with a filling material such as concrete.
  • the articulated connecting elements of this lost formwork after having initially served to facilitate the transport and installation of the formwork, constitute, once the formwork is installed, an element of reinforcement increasing the resistance of the wall.
  • At least one of the shuttering walls of the wall comprises a coating of concrete, mortar or the like which is thicker than the stiffeners and articulated connecting elements, this coating being arranged at outside and / or inside the formwork wall.
  • the stiffeners and articulated connecting elements also constitute an internal reinforcement of the wall, embedded in the wall and covered by said coating.
  • the thickness of this coating is preferably at least 2.5 cm.
  • the formwork walls (or at least one of them) no longer constitute the skin of the wall, but are embedded within the wall by said coating, of so as to also constitute an internal reinforcement of the wall, which increases considerably the strengthening effect or "fret".
  • the coating constitutes an integral part of the wall, solidified at the same time as the filling material, thus forming a wall in which the formwork is drowned.
  • This formwork thus serves at the same time as a reinforcement.
  • the steel parts of the formwork - stiffeners, connecting elements articulated and expanded metal walls - are thus coated with a thickness preferably at least 2.5 cm of concrete / mortar forming part of the wall. This will then allow to count these elements in the calculation of the resistance of the wall and, furthermore, in some cases reduce or even eliminate the quantities steel to be added to the formwork. On the other hand, the coating of these parts allow the use of non-galvanized steel for the manufacture of the formwork, which is therefore less expensive.
  • the invention also relates to a method for producing such a wall at by means of a formwork comprising two formwork walls placed opposite and connected by connecting elements articulated to the shuttering walls by through the stiffeners integral with the formwork walls, which connecting elements make it possible to maintain the walls, ie at a spacing defining an interval intended to receive a filling material such that the concrete be folded up for storage and transport.
  • the stiffeners, the articulated connecting elements and the shuttering wall itself when it is coated thus constitute a reinforcement to the interior of the constructed wall, embedded in the wall and covered by said coating.
  • the invention also relates to a folding formwork of the aforementioned type.
  • the formwork according to the invention is characterized in that the connecting elements articulated with at least one formwork wall are articulated to the stiffeners with spacing from the shuttering wall, preferably at least 2.5 cm. These stiffeners are integral with the shuttering wall by means spacers so that when the interval between the formwork walls is filled with filling material such as concrete, the wall thus constructed comprises a coating in excess thickness relative to the stiffeners and articulated connecting elements, as described above.
  • the articulated connecting elements may consist of elongated elements folded substantially in a zig-zag, as described in the document WO 97/31165.
  • Each elongated folded element also called Z connections
  • Opposite alternating parts of all connecting elements slender are aligned parallel to each other and are articulated to the walls, preferably by fixing means allowing a single degree of freedom in rotation around axes of articulation formed by said opposite parties.
  • this formwork comprises two formwork walls 8 kept at the spacing required by an articulated connection device 1 comprising two "Z-connections", one shown in solid lines, the other in dotted lines.
  • This connecting device 1 is articulated with each of the walls shuttering 8 by means of vertical stiffeners 2 made of U-shaped profiles Or other. This articulation makes it possible to maintain the walls 8, ie at the required spacing (as illustrated in the Figures), be folded up for the storage and transport, thus facilitating the installation of the formwork.
  • the connecting devices 1 comprise straight parts opposites which extend substantially in a plane parallel to the faces shuttering over a predetermined length and preferably equal to the width of the stiffener 2 in order to link in translation the device 1 for connection with the stiffener 2.
  • These formwork walls 8 will advantageously consist of a mesh whose meshes are determined to evacuate the excess water from the concrete. They may be iron or other expanded metal panels provided with horizontal V-shaped reinforcers, or a non-composite material mesh metallic complemented by horizontal V-shaped reinforcers.
  • the stiffeners 2 are for example fixed to the walls 8 using lugs 5 for hooking, in particular folded or twisted, or by any other means (crimping, stamping, electrical welding, etc.)
  • connecting devices 1 articulated develop on the filling material, both forces compression oriented perpendicular to the shuttering faces 8, and compression forces oriented substantially parallel to the faces external of the wall so as to create a skin having a fret effect.
  • the connecting elements 1 thus constitute a hooping in concrete.
  • the connecting device 1 overcomes this difficulty. Indeed, the efforts of traction exerted on concrete 7 and in a direction perpendicular to the walls 8 induce equilibrium by reaction of the tensile forces in the connecting piece 1 and, by decomposition, a tangential compressive force and parallel to the walls 8.
  • the device 1 makes it possible to considerably modify the stress distribution inside the walls, when loading these last. Indeed, the higher the pressure that results from the load exerted according to the higher the longitudinal axis, the higher the compressive stress on the skin 8, therefore the hooping effect, increases.
  • This or these outer layers 11 therefore constitute a part integral concrete wall reinforced by internal reinforcement. This or these layers 11 are therefore distinguished from a simple finishing layer, of plaster by example, without structural role. On the other hand, these outer layers 11 of Sprayed mortar can also be used as a topcoat. In addition, coating the formwork with concrete / mortar allows the use of non-steel galvanized for the manufacture of formwork, therefore less expensive.
  • the wall has a first wall 8 made of expanded metal and a second wall 10 non-perforated constituting a finishing panel.
  • the connecting device 1 is articulated to the wall 8 by stiffeners 2 fixed by hooking lugs 5 or other devices, as in Figure 1.
  • the connecting device 1 is articulated to the stiffeners 2 integral with the panel 10, but spaced therefrom by means of shims 13 secured by screws 3. These screws 3 extend beyond the stiffeners 2 to anchor themselves in the concrete 7.
  • the screws 3, or other attachment parts, in particular twisted sheets, will be coated with concrete 7.
  • the perforated wall 8 allows the excess water to be removed, then that the wall 10 is waterproof.
  • the wall 8 could be covered by a projection by gunning of a layer of mortar 11 of a thickness of about 2.5 cm.
  • concrete, or the like filling material forms a thickness 12 of at least about 2.5 cm between this wall 10 and the stiffeners 2 and the corresponding parts of the Z connections.
  • the stiffeners 2 and the connecting device 1 form a frame embedded by the thicknesses 11.12, therefore located within the wall.
  • This execution is particularly advantageous since it makes it possible to directly obtain an interior wall ready for employment, and therefore avoids the additional cost of a top coat.
  • FIG. 3 A third axis of the invention is illustrated in Figure 3.
  • the wall is similar to that of FIG. 2, but has two perforated walls 8,8 'and, in addition, an insulating panel 4, for example made of polyurethane or wool rock or other insulating material or flame retardant, adjacent to the wall 8 'which forms the exterior face of the wall.
  • the connecting device 1 is articulated to stiffeners 2 integral with the panel 8 'but spaced therefrom at means of shims 13 secured by screws 3, or other means hooking, which extend beyond the stiffeners 2.
  • the concrete 7, or other filling material forms a thickness 12 between the internal face of the insulating panel 4 (which formwork panel effect) and stiffeners 2 with parts corresponding Z-links.
  • This execution has the additional advantage that the insulating panel 4 is incorporated into the folded formwork, which saves appreciable time during construction, because when the concrete has been poured, it will no longer be necessary to come back to add insulation.
  • the stiffeners 2 and the connecting device 1 form a frame drowned by thicknesses 11,12, therefore located within the wall.
  • the wall is obtained using several elementary formwork from aforementioned type arranged side by side. To ensure continuity of transmission of forces and benefit from the inertia of the entire wall, the length of the Z connections is greater than the length of the panel formwork through which it extends so that the end of a panel that protrudes can hang on a contiguous panel.
  • At least some Z connections will eventually be provided heating elements (not shown) such as thermistors for form a radiant wall.
  • heating elements such as thermistors for form a radiant wall.
  • the use of thermistors allows to identify of heat by creating a potential difference between the walls formwork.
  • the part of the Z connections is fixed on the shuttering wall 8,10 by fixing means with a single degree of freedom in rotation around an axis parallel to the plane of the shuttering faces, perpendicular to the axis vertical stiffeners 2 and to the exclusion of any other degree of freedom.
  • the articulated parts connecting elements 1 could be angled, and articulated in the middle a vertical stiffener of the type illustrated 2 or of reduced dimensions, or articulated behind wedge-shaped vertical stiffeners.
  • this reinforcement could advantageously consist of simple iron bars like those used for reinforcing concrete. These bars would be joined to the shuttering walls by spacers for example.
  • the fixing of connecting devices 1 on the shuttering walls 8,10 can be achieved by through an elastic material such as rubber.
  • the vertices of the elongated element 1 folded in a zig-zag are secured to an elongated piece which reinforces the inertia of the formwork (see Figures 5 and 6 of WO 97/31165).
  • this slender piece we can easily give the element of connection in Z 1 and to the shuttering walls 8 a curved shape which can be memorized by joining on the opposite side of the element 1 another longitudinal piece. So the determination of steps, different on one side and the other of elements 1, imposes non-identical developed lengths which thus develop the curvilinear surface of the formwork panels.
  • the connecting elements 1 of a formwork panel are for example staggered ( Figures 1 to 3). This constitutes a connection three-dimensional. It is also possible to use only a Z 1 link so that the vertices of the waves are offset.

Landscapes

  • 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)
  • Load-Bearing And Curtain Walls (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Building Environments (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
EP00124716A 2000-11-13 2000-11-13 Schalung für eine Betonwand die auch als Bewehrung wirkt Withdrawn EP1207240A1 (de)

Priority Applications (23)

Application Number Priority Date Filing Date Title
EP00124716A EP1207240A1 (de) 2000-11-13 2000-11-13 Schalung für eine Betonwand die auch als Bewehrung wirkt
AU2020901A AU2020901A (en) 2000-11-13 2001-01-10 Concrete formwork wall serving also as reinforcement
IL15576501A IL155765A0 (en) 2000-11-13 2001-01-10 Concrete formwork wall serving also as reinforcement
RU2002132192/03A RU2225922C1 (ru) 2000-11-13 2001-01-10 Бетонная стена с опалубкой, служащей также в качестве арматуры
CA002428498A CA2428498C (en) 2000-11-13 2001-01-10 Concrete formwork wall serving also as reinforcement
AU2001220209A AU2001220209B2 (en) 2000-11-13 2001-01-10 Concrete formwork wall serving also as reinforcement
PCT/IB2001/000017 WO2002038878A1 (fr) 2000-11-13 2001-01-10 Mur en beton avec coffrage servant aussi d'armature
CNA018188060A CN1474904A (zh) 2000-11-13 2001-01-10 具有也作为加强件的模板的混凝土墙
MXPA03004068A MXPA03004068A (es) 2000-11-13 2001-01-10 Muro de hormigon con encofrado que sirve tambien de armadura.
PL01361390A PL361390A1 (en) 2000-11-13 2001-01-10 Concrete formwork wall serving also as reinforcement
US10/416,571 US7162845B2 (en) 2000-11-13 2001-01-10 Concrete formwork wall serving also as reinforcement
SK572-2003A SK5722003A3 (en) 2000-11-13 2001-01-10 Concrete formwork wall serving also as reinforcement
KR1020037006446A KR100787708B1 (ko) 2000-11-13 2001-01-10 보강재로도 사용가능한 콘크리트 거푸집벽체
JP2002541183A JP2004513270A (ja) 2000-11-13 2001-01-10 補強材としても作用する型枠を備えたコンクリート壁
NZ525732A NZ525732A (en) 2000-11-13 2001-01-10 Concrete formwork wall serving also as reinforcement
OA1200300133A OA12433A (fr) 2000-11-13 2001-01-10 Mur en béton avec coffrage servant aussi d'armature.
HU0303564A HUP0303564A2 (en) 2000-11-13 2001-01-10 Concrete formwork wall serving also as reinforcement
BR0115285-8A BR0115285A (pt) 2000-11-13 2001-01-10 Parede de concreto com estrutura servindo como reforço
CZ20031264A CZ20031264A3 (cs) 2000-11-13 2001-01-10 Betonová stěna s bedněním, sloužícím také jako výztuž
APAP/P/2003/002798A AP1581A (en) 2000-11-13 2001-01-10 Concrete formwork wall serving also as reinforcement
EP01900006A EP1339926A1 (de) 2000-11-13 2001-01-10 Schalung für eine betonwand die auch als bewehrung wirkt
MA27123A MA25968A1 (fr) 2000-11-13 2003-04-25 Mur en beton avec coffrage servant aussi d'armature.
BG107782A BG107782A (en) 2000-11-13 2003-05-08 Concrete formwork wall serving also as reinforcement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00124716A EP1207240A1 (de) 2000-11-13 2000-11-13 Schalung für eine Betonwand die auch als Bewehrung wirkt

Publications (1)

Publication Number Publication Date
EP1207240A1 true EP1207240A1 (de) 2002-05-22

Family

ID=8170356

Family Applications (2)

Application Number Title Priority Date Filing Date
EP00124716A Withdrawn EP1207240A1 (de) 2000-11-13 2000-11-13 Schalung für eine Betonwand die auch als Bewehrung wirkt
EP01900006A Withdrawn EP1339926A1 (de) 2000-11-13 2001-01-10 Schalung für eine betonwand die auch als bewehrung wirkt

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP01900006A Withdrawn EP1339926A1 (de) 2000-11-13 2001-01-10 Schalung für eine betonwand die auch als bewehrung wirkt

Country Status (21)

Country Link
US (1) US7162845B2 (de)
EP (2) EP1207240A1 (de)
JP (1) JP2004513270A (de)
KR (1) KR100787708B1 (de)
CN (1) CN1474904A (de)
AP (1) AP1581A (de)
AU (2) AU2020901A (de)
BG (1) BG107782A (de)
BR (1) BR0115285A (de)
CA (1) CA2428498C (de)
CZ (1) CZ20031264A3 (de)
HU (1) HUP0303564A2 (de)
IL (1) IL155765A0 (de)
MA (1) MA25968A1 (de)
MX (1) MXPA03004068A (de)
NZ (1) NZ525732A (de)
OA (1) OA12433A (de)
PL (1) PL361390A1 (de)
RU (1) RU2225922C1 (de)
SK (1) SK5722003A3 (de)
WO (1) WO2002038878A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1424452A1 (de) * 2002-11-28 2004-06-02 Coffor Internacional Exploracao de Patentes Lda Faltbare Schalung für Betonwand
FR2945305A1 (fr) * 2009-05-05 2010-11-12 Philippe Phliponeau Module d'espacement pour coffrage et mur incorporant un tel module
BE1022177B1 (nl) * 2014-02-06 2016-02-24 Etib Nv Verloren bekisting

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ATE430854T1 (de) * 2007-02-13 2009-05-15 Iconorm Gmbh Bewehrter dämmkörper für eine einseitig wärmegedämmte fertigteilwand und fertigteilwand sowie verfahren zur herstellung
EP1972734A1 (de) * 2007-03-22 2008-09-24 Iconorm GmbH Fixierkörper für eine Dämmplatte
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US9453345B2 (en) 2012-01-05 2016-09-27 Cfs Concrete Forming Systems Inc. Panel-to-panel connections for stay-in-place liners used to repair structures
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KR101195308B1 (ko) 2012-06-15 2012-10-26 송용도 건축용 조립식 벽체 프레임 및 이를 이용한 천정 프레임
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CZ20031264A3 (cs) 2003-11-12
RU2002132192A (ru) 2004-03-10
PL361390A1 (en) 2004-10-04
CA2428498C (en) 2009-08-18
CA2428498A1 (en) 2002-05-16
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EP1339926A1 (de) 2003-09-03
OA12433A (fr) 2006-05-22
US20040020149A1 (en) 2004-02-05
MXPA03004068A (es) 2004-10-15
RU2225922C1 (ru) 2004-03-20
KR100787708B1 (ko) 2007-12-21
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US7162845B2 (en) 2007-01-16
BG107782A (en) 2004-01-30

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