EP1371784A1 - Schalung, insbesondere zum Herstellen von Betonkörpern - Google Patents

Schalung, insbesondere zum Herstellen von Betonkörpern Download PDF

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Publication number
EP1371784A1
EP1371784A1 EP02370027A EP02370027A EP1371784A1 EP 1371784 A1 EP1371784 A1 EP 1371784A1 EP 02370027 A EP02370027 A EP 02370027A EP 02370027 A EP02370027 A EP 02370027A EP 1371784 A1 EP1371784 A1 EP 1371784A1
Authority
EP
European Patent Office
Prior art keywords
formwork
frame
envelope
base
strip
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Withdrawn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
EP02370027A
Other languages
English (en)
French (fr)
Inventor
Alain Antoniazzi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP02370027A priority Critical patent/EP1371784A1/de
Publication of EP1371784A1 publication Critical patent/EP1371784A1/de
Withdrawn legal-status Critical Current

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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
    • E02D27/32—Foundations for special purposes
    • E02D27/42—Foundations for poles, masts or chimneys
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00—Geometrical or physical properties
    • E02D2200/16—Shapes
    • E02D2200/1628—Shapes rectangular
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/0007—Production methods using a mold

Definitions

  • the invention relates to a formwork.
  • It relates more particularly but not exclusively to formwork for the production of a concrete base or block for anchoring posts metal.
  • this base includes a concrete barrel carried by a sole.
  • Formwork used for this type of product has always been produced on site using planks which the formworker must, on the one hand, cut to the correct length then, on the other hand, assemble using in particular cleats.
  • the circular section provides a perfect distribution in the tube of the hydrostatic thrust.
  • a formwork 1 comprising a thin envelope 2 delimiting a prismatic volume in which a material such as concrete is poured.
  • Band 2 can be split into several pieces.
  • At least two frames will be used.
  • This frame is either external and surrounds the envelope, or is internal.
  • this strip 2 of material thin has transversely folding primers 6 delimiting the different faces of the prism or is composed of different mounted sheets contiguous.
  • folding primers 6 facilitates the shaping of the prisms.
  • the means 3 for hooking the ends of the strip allow, after strip shaping, keeping the ends edge to edge over time to engage the frames 4 around the prismatic envelope.
  • the frames 4 ensure the resistance to the thrust of the concrete during casting and above all preserve the shape, especially when it is prismatic.
  • the number of frames will be variable and the distance between two frames depends their position relative to the base of the formwork.
  • the frames located near the base will be closer than those located closer to the top.
  • the internal faces of the frames can be connected by tensioners.
  • the material used to constitute the envelope is a material synthetic, such as polypropylene, or cardboard, the side facing the interior of the volume receiving the concrete is covered with a waterproof film.
  • the frames 4 have lugs 5A oriented towards the inside or outside of the frame and projection, which pins 5A engages in lights 5B produced without the thickness of band 2.
  • the frame consists of elongated elements assembled together by means of rapid assembly and at least two of the elongated elements called load-bearing elements have pins 5A for hang on the envelope and the other elongated elements have anchoring means on these load-bearing elements.
  • two of the opposite sides of the frame are load-bearing elements having for example an L-shaped section.
  • This base of the L constitutes a support face for the other elements elongated which are also in the form of an L-shaped angle.
  • the vertical face of these elongated elements is relatively wide.
  • a keying system enables the rapid assembly means to be produced and give the rigidity of the frame.
  • the assembly means therefore include lights and keys, the lights being distributed along the longitudinal axis of the four elements. These lights are either circular or cross-shaped to place the key in any sense.
  • These pins 5A are in the form of long tongues greater than the thickness of the strip obtained by partial cutting of one of the angles of the angle iron.
  • the prismatic envelope present along at least three generators of the holes through which are engaged rods (not shown) which, crossing the prism in a radial plane, support the frames 4.
  • Each frame 4 will for example have a T-shaped section, the upper face 7 of the T being applied to the external face of the strip 2 or else an L-shaped section.
  • a frame 4 could consist of two complementary parts, possibly, articulated between them; however, when these two parts are assembled, the frame 4 will remain rigid.
  • the prismatic envelope may have passers-by in which are introduced vertical rods with one end engaged partially in the reference surface gives the formwork good stability.
  • the base of the pole is provided with a soleplate maintained applied to the base by a screw / nut system (not shown).
  • the threaded rods anchored for this purpose in the concrete base have a shape hook to tie down on a cross member of the reinforcement embedded in the base.
  • the prismatic envelope present in at least a radial plane a pair of imprints 15, in particular in cross shape, making it possible to introduce and position the crosspiece 16 through the formwork.
  • Plugs 17 are provided intended to protect the end of the cross-member against oxidation.
  • This reservation box 18 is placed inside the prism before pour the material into the formwork.
  • This reservation box 18 has, for example, a trunk shape of pyramid but could be a cube.
  • This reservation box includes a cover 21 which will be put in place when the concrete is poured into the formwork and removed to place the threaded rods.
  • the frame will incidentally present other lights to place a vertical rod used to locate the bases for alignment of said bases.
  • the maintenance of the frame can be done using parts 40 comprising a head 41 disposed at the outside and a rod 44 passing through the envelope and a U-shaped section 42, the bottom wall of the U is pierced.
  • the end of the rod 44 opposite the head comprises a lug 43 or a passage for a key.
  • the hole in the profile 42 is oblong.
  • This key will be, for example, in the shape of a jumper with its two legs whose thickness increases from the free ends.
  • the envelope may be panels connected to each other by H-shaped or angled assembly profiles.
  • the internal face of the profile 42 constitutes a stop for the minimum coating concrete irons.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
EP02370027A 2002-06-12 2002-06-12 Schalung, insbesondere zum Herstellen von Betonkörpern Withdrawn EP1371784A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02370027A EP1371784A1 (de) 2002-06-12 2002-06-12 Schalung, insbesondere zum Herstellen von Betonkörpern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02370027A EP1371784A1 (de) 2002-06-12 2002-06-12 Schalung, insbesondere zum Herstellen von Betonkörpern

Publications (1)

Publication Number Publication Date
EP1371784A1 true EP1371784A1 (de) 2003-12-17

Family

ID=29558454

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02370027A Withdrawn EP1371784A1 (de) 2002-06-12 2002-06-12 Schalung, insbesondere zum Herstellen von Betonkörpern

Country Status (1)

Country Link
EP (1) EP1371784A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITRG20100003A1 (it) * 2010-05-04 2011-11-05 Giorgio Fontanella Cravatta di base
FR3047262A1 (fr) * 2016-02-01 2017-08-04 Thierry Marquet Dispositif modulaire pour la formation d'un point d'ancrage au sol

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1675749A (en) * 1927-03-25 1928-07-03 Crawford Prestonm Form for concrete
FR1513315A (fr) 1966-09-20 1968-02-16 Coffrage en carton de poteaux ou de toutes autres pièces de section circulaire ou polygonale
US4673157A (en) * 1985-11-13 1987-06-16 Wells Gordon T Footing form
US4693445A (en) * 1986-07-30 1987-09-15 Sprecace Pantoli Enio Concrete and construction system and modular plank element for the concrete formwork thereof
WO1996022431A1 (en) * 1995-01-17 1996-07-25 Kroken I Mo Aktiebolag Mould and blank
FR2817889A1 (fr) * 2000-12-13 2002-06-14 Alain Antoniazzi Coffrage

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1675749A (en) * 1927-03-25 1928-07-03 Crawford Prestonm Form for concrete
FR1513315A (fr) 1966-09-20 1968-02-16 Coffrage en carton de poteaux ou de toutes autres pièces de section circulaire ou polygonale
US4673157A (en) * 1985-11-13 1987-06-16 Wells Gordon T Footing form
US4693445A (en) * 1986-07-30 1987-09-15 Sprecace Pantoli Enio Concrete and construction system and modular plank element for the concrete formwork thereof
WO1996022431A1 (en) * 1995-01-17 1996-07-25 Kroken I Mo Aktiebolag Mould and blank
FR2817889A1 (fr) * 2000-12-13 2002-06-14 Alain Antoniazzi Coffrage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITRG20100003A1 (it) * 2010-05-04 2011-11-05 Giorgio Fontanella Cravatta di base
FR3047262A1 (fr) * 2016-02-01 2017-08-04 Thierry Marquet Dispositif modulaire pour la formation d'un point d'ancrage au sol
WO2017134370A1 (fr) * 2016-02-01 2017-08-10 SUBRA, Bertrand Dispositif modulaire pour la formation d'un point d'ancrage au sol

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