WO1992014892A1 - Tablier de coffrage en une seule piece de materiau composite - Google Patents

Tablier de coffrage en une seule piece de materiau composite Download PDF

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Publication number
WO1992014892A1
WO1992014892A1 PCT/ES1992/000019 ES9200019W WO9214892A1 WO 1992014892 A1 WO1992014892 A1 WO 1992014892A1 ES 9200019 W ES9200019 W ES 9200019W WO 9214892 A1 WO9214892 A1 WO 9214892A1
Authority
WO
WIPO (PCT)
Prior art keywords
bars
formwork
board according
metal
formwork board
Prior art date
Application number
PCT/ES1992/000019
Other languages
English (en)
Spanish (es)
Inventor
Jesús AROSTEGUI ECHEVERRIA
Juan Manuel Arostegui Echeverria
Original Assignee
Arostegui Echeverria Jesus
Arostegui Echeverria Juan Manu
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 Arostegui Echeverria Jesus, Arostegui Echeverria Juan Manu filed Critical Arostegui Echeverria Jesus
Publication of WO1992014892A1 publication Critical patent/WO1992014892A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E04G9/05—Forming boards or similar elements the form surface being of plastics

Definitions

  • the present invention relates to a single-piece encoding board based on composite material, that is, material commonly known with the generic English term "composite.”
  • This board is suitable for the construction of floors, walls, ceilings, floors, beams and other building elements of both houses and civil works.
  • Utility Model n ⁇ 281.859 a formwork element for concrete construction is covered comprising two vertical hard plastic plastic plates rigidly joined together by means of vertical transverse souls, in Utility Model n ⁇ 285.924 protects a lost bottom formwork unit consisting of a cylindrical tubular body composed of a plurality of paper strips 5 wound and impregnated with resin, in Utility Model No.
  • the present invention aims to overcome the deficiencies ⁇ e the formwork of the prior art by replacing the wood traditionally used as a basic material with a more suitable material with improved mechanical characteristics, and, to this end, has created a new table One-piece formwork based on composite material, which is formed by a molded plastic wrap body that determines the outer configuration of the board and a series of internal reinforcements that are embedded in the board's plastic.
  • the internal reinforcements consist of one or more metal bars and or one or more wooden boards.
  • Corrugated steel or other metal of similar mechanical characteristics is preferably used as the metal for the bars and a polyolefin, in particular a high or low density polyethylene, is used as the wrapping plastic.
  • Metal bars and wooden boards can _ _> _ adopt various positions within the board.
  • both the metal bars and the wooden boards are arranged horizontally or vertically.
  • the bars and the boards can be arranged obliquely in relation to the sides of the board, it is also possible that the bars and oblique boards intersect defining an internal lattice species.
  • FIG. 1 is a plan view of said formwork board, in which the bars and reinforcing tables are shown in dashed lines, and
  • FIG. 1 is a cross-sectional view along the line I-I of Figure 1.
  • formwork board 1 of rectangular configuration in plan and also of rectangular cross-section, although, as will be understood, it would be possible to adopt other configurations of the formwork board in accordance with the needs of each case. Also, board 1 could be flat or curved.
  • the formwork board 1 is constituted by a wrapping body 2 of molded plastic material, within which reinforcement and reinforcement components consisting of metal bars 3 and wooden boards 4 are housed.
  • Metal bars 3 are preferably of corrugated steel, even if any other suitable metal of mechanical characteristics similar to those of steel could be used.
  • the cross section of these bars 3 has been represented as circular, but it would be possible to adopt any other appropriate configuration.
  • the plastic of the wrapping body 2 will preferably be chosen from the group of polyolefins, especially the use of high polyethylene.
  • both the metal bars 3 and the wooden boards 4 have been shown arranged horizontally and parallel to each other.
  • an appropriate arrangement would consist of alternating horizontal bars 3 and tables 4 with other bars and tables placed vertically, whereby a cross-linking of bars and tables would occur which would result in obtaining a kind of internal lattice.
  • bars 3 and oblique boards 4 it would be possible for bars 3 and oblique boards 4 to intersect with other bars and tables equally oblique, also resulting in obtaining an internal lattice.
  • the possibilities of executing the encoding board of the invention are varied, all of which have the following advantages: greater number of applications of the board, which, apart from increasing its duration, costs are reduced and unnecessary consumption of wood is avoided; best quality of - zz ⁇ - finish, since the board of the invention allows to obtain a direct finish without the need to scratch; absence of deformations due to the effect of water, which contrasts with what occurs in wooden formwork; maximum safety of use, since the formwork board of the invention consists of an integral piece that is not formed by parts in the manner of the boards that make up the conventional wooden board; greater precision in fixing the metal profile to the board, which lengthens the duration by increasing the resistance against shocks; and, as a compendium, mechanical characteristic improvements of the board of the invention compared to conventional boards.
  • the formwork board of the invention has been tested in practical tests, having obtained the beneficial results referred to above.
  • the tested board which responds to a preferred embodiment of the invention, offers the following characteristics:
  • Crushed prismatic board with dimensions of 1000 mm x 500 mm x 27 mm, using high or low density polyethylene as plastic wrap, corrugated steel bars with circular section 12 mm in diameter, arranged in number of two in the longitudinal direction of the table, and wooden boards of 990 mm x 225 mm x 17 mm, also arranged in a number of two longitudinally in the space between the two steel bars.

Abstract

Le tablier de coffrage en une seule pièce de matériau composite comprend un corps enveloppant (2) en plastique moulé qui détermine la configuration extérieure du tablier (1) et qui est pourvu de composants internes noyés de renforcement et d'armature tels que des barres métalliques (3) et/ou des planches de bois (4). Le plastique enveloppant (2) est de préférence du polyéthylène de haute ou basse densité et les barres (3) sont en acier strié ou autre métal ayant des caractéristiques mécaniques similaires. L'invention s'applique à la construction d'appartements, de murs, de toits, de planchers, de poutres et autres éléments de construction d'habitations et d'ouvrages civiles.
PCT/ES1992/000019 1991-02-18 1992-02-14 Tablier de coffrage en une seule piece de materiau composite WO1992014892A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ESP9100421 1991-02-18
ES9100421A ES2025017A6 (es) 1991-02-18 1991-02-18 Tablero de encofrado de una sola pieza de marerial compuesto.

Publications (1)

Publication Number Publication Date
WO1992014892A1 true WO1992014892A1 (fr) 1992-09-03

Family

ID=8271276

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES1992/000019 WO1992014892A1 (fr) 1991-02-18 1992-02-14 Tablier de coffrage en une seule piece de materiau composite

Country Status (3)

Country Link
AU (1) AU1340092A (fr)
ES (1) ES2025017A6 (fr)
WO (1) WO1992014892A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997010396A1 (fr) * 1995-09-11 1997-03-20 Dow Europe S.A. Planches thermoplastiques destinees a un plancher
WO2008015307A1 (fr) * 2006-08-01 2008-02-07 Crisanto Palacios Gavilan Panneau de coffrage

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2196997B1 (es) * 2002-02-21 2005-01-01 Tableros De Encofrar Calper, S.L. Tablero de encofrado perfeccionado.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2167069A5 (fr) * 1971-12-16 1973-08-17 Veba Chemie Ag
DE9013471U1 (fr) * 1990-09-25 1990-12-06 Bechtold, Heinz, 6121 Mossautal, De

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2167069A5 (fr) * 1971-12-16 1973-08-17 Veba Chemie Ag
DE9013471U1 (fr) * 1990-09-25 1990-12-06 Bechtold, Heinz, 6121 Mossautal, De

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997010396A1 (fr) * 1995-09-11 1997-03-20 Dow Europe S.A. Planches thermoplastiques destinees a un plancher
WO2008015307A1 (fr) * 2006-08-01 2008-02-07 Crisanto Palacios Gavilan Panneau de coffrage

Also Published As

Publication number Publication date
AU1340092A (en) 1992-09-15
ES2025017A6 (es) 1992-03-01

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