WO2004031511A1 - Composants de forme en beton, procede de production associe, forme en beton et procede de placement de beton - Google Patents

Composants de forme en beton, procede de production associe, forme en beton et procede de placement de beton Download PDF

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Publication number
WO2004031511A1
WO2004031511A1 PCT/JP2002/010206 JP0210206W WO2004031511A1 WO 2004031511 A1 WO2004031511 A1 WO 2004031511A1 JP 0210206 W JP0210206 W JP 0210206W WO 2004031511 A1 WO2004031511 A1 WO 2004031511A1
Authority
WO
WIPO (PCT)
Prior art keywords
concrete
frame plate
plate portion
formwork
concrete formwork
Prior art date
Application number
PCT/JP2002/010206
Other languages
English (en)
Japanese (ja)
Inventor
Toru Yoshimatsu
Original Assignee
Toru Yoshimatsu
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 Toru Yoshimatsu filed Critical Toru Yoshimatsu
Priority to AU2002335482A priority Critical patent/AU2002335482A1/en
Priority to PCT/JP2002/010206 priority patent/WO2004031511A1/fr
Publication of WO2004031511A1 publication Critical patent/WO2004031511A1/fr

Links

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
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
    • E04G11/10—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring of elements without beams which are mounted during erection of the shuttering to brace or couple the elements
    • 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
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/001—Corner fastening or connecting means for forming or stiffening elements
    • 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
    • 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
    • E04G2009/028—Forming boards or similar elements with reinforcing ribs on the underside

Definitions

  • the present invention relates to a component of a concrete formwork for placing concrete, a method of manufacturing the same, a concrete formwork, and a method of placing concrete.
  • plywood veneers have been mainly used for concrete formwork for placing concrete.
  • the reasons for using plywood veneers in this way are: high workability (can be nailed, can be cut with a saw, etc., light weight), low cost, high strength, and a good distribution system And so on.
  • formwork materials other than plywood veneer include steel (steel, aluminum) and resin formwork (reinforced fiber plastic). These have the advantages of high assembly workability, high construction accuracy, and high number of diversions.
  • the conventional plywood veneer mentioned above is used as a concrete formwork annually, and the number of plywood is 900 x 180 thousand, and about 100 million plywood is used. It is presumed that the destruction of the environment by the cutting of rawan wood is becoming a problem because the plywood is made from raw southern rawan wood. In particular, it has been pointed out that raw material, which is a raw material of plywood veneer, is difficult to reuse, and the used formwork becomes industrial waste, which is not appropriate in view of environmental issues. As for the performance of this plywood veneer, although the workability is good as described above, since wood is used, when concrete is installed, the moisture in the cast concrete is reduced by plywood.
  • the above-mentioned steel frame material is not suitable for shapes other than standard dimensions because of its high cost and difficulties in processing such as cutting, and processing with nails and saws is also difficult. Low versatility and not widespread.
  • the present invention has been made in view of the above points, and is a component of a concrete formwork that can be reused, reduces adverse effects on the environment, and improves workability, strength, and versatility. It is an object of the present invention to provide a method for producing the same, a concrete formwork, and a method for placing concrete. Disclosure of the invention
  • the present invention relates to a component of a mold for casting concrete, which is provided on a frame plate portion forming a mold wall surface, and provided on an outer wall surface side of the frame plate portion. It has a flange portion having an L-shaped or rectangular cross section and an engaging portion for engaging adjacent flange portions, and the frame plate portion and the flange portion are made of a mixture of wood powder and synthetic resin. It is characterized by being integrally molded.
  • a concrete formwork having a concrete casting space formed by a frame plate portion by engaging adjacent flange portions with each other.
  • a concrete structure can be constructed by filling concrete into the formed concrete casting space, and then releasing the concrete form after the concrete has hardened.
  • the frame plate and the flange are integrally molded with a mixture of wood powder and synthetic resin, the strength of the flange is high, and when the concrete form is constructed, Therefore, it is possible to maintain the resistance to the bending moment generated at the time.
  • the mixed material is.
  • the components of such concrete formwork are made of wood flour and waste plastic, so while maintaining strength, there are merits of conventional plywood veneer, such as fixing with nails and cutting with saws.
  • the workability can be improved, the dimensional deviation is small, and the construction accuracy can be improved.
  • the synthetic resin to be mixed can reduce the absorbability of the wooden part, and the adhesiveness of the wooden part can be reduced, so that the releasability can be increased and the number of diversions can be improved.
  • These mixed materials are derived from waste plastics such as agricultural greenhouses, plywood veneer that is industrial waste, and wood flour obtained by pulverizing demolition waste of wooden buildings. It can be used as a material, making it possible to reduce the cost of raw materials and to reduce construction costs.
  • the constituent material of the concrete formwork of the invention described above is such that granular pellets obtained by mixing a synthetic resin and wood powder are melted, filled in a mold, and hardened under high pressure. And it can be manufactured by molding a flange portion. Furthermore, in the above invention, it is preferable to have a free member that can be freely arranged on the surface of the frame plate portion, and a fixing portion that fixes the free member to the frame plate portion. In this case, the free member is fixed to an arbitrary position on the surface of the frame plate portion by the fixing portion while cutting off the excess portion of the frame plate portion, and the fixing portion is engaged with the adjacent flange portion. With this method, it is possible to mold a concrete casting space of any size, and to easily form a formwork suitable for various construction conditions on site, thereby improving versatility and workability. Can be.
  • the frame plate portion, the flange portion, or the free member in the above invention is formed of a hollow member.
  • the weight of the hollow portion inside can be reduced, the weight of the component can be reduced, and if the component is used as it is as a component of a building, the hollow A comfortable building can be constructed by the part acting as a heat insulator.
  • a heat insulating material can be sealed in the internal hollow.
  • the work of installing the heat insulating material can be omitted, and a higher heat insulating effect is expected for the constructed building. be able to.
  • a sealing portion for piping and wiring is disposed in a space formed by the frame plate portion, the flange portion, or the free member, and thereafter, a wall plate is formed so as to close the space.
  • a wall plate is formed so as to close the space.
  • the demolded used concrete formwork or the cut-off surplus part is melted as waste material, and the melted waste material is reused to recycle the constituent material of the concrete formwork.
  • Waste material that can no longer be used as a formwork material can be re-crushed and molded as a concrete formwork and used repeatedly, and as a result, the use of plywood veneer can be reduced.
  • environmental destruction can be avoided.
  • FIG. 1 is a three-dimensional perspective view showing the entire structure of a fixed length member of a concrete formwork according to the embodiment.
  • FIG. 2 is a plan view of a fixed length member of the concrete formwork according to the embodiment.
  • FIG. 3 is an explanatory view showing an engaging portion when assembling the concrete formwork according to the embodiment.
  • FIG. 4 is a three-dimensional perspective view showing the entire structure of the free material of the concrete formwork according to the embodiment.
  • FIG. 5 is a plan view of a free material of the concrete formwork according to the embodiment.
  • FIG. 6 is an explanatory diagram showing an example of using a free material of the concrete formwork according to the embodiment.
  • Fig. 7 is a perspective view showing the overall structure of the components of the concrete formwork according to the modification.
  • FIG. 8 is a plan view of components of a concrete formwork according to a modification.
  • FIG. 9 is an explanatory diagram showing an example of use of a concrete formwork according to a modification.
  • FIG. 10 is a cross-sectional view of a concrete formwork according to a modification.
  • FIG. 11 is a cross-sectional view of a concrete formwork according to a modification.
  • FIG. 12 is an explanatory diagram showing a concrete placing method according to the embodiment. BEST MODE FOR CARRYING OUT THE INVENTION
  • a concrete formwork according to an embodiment of the present invention and a method of placing a concrete using the same will be described in detail.
  • a concrete form is constructed by using a fixed-length material 1 having predetermined dimensions and a free material 8 whose dimensions can be freely changed as components of the concrete form.
  • FIG. 1 is a perspective view showing the entirety of the measuring material 1 according to the present embodiment
  • FIG. 2 is a plan view showing the upper surface and side surfaces of the measuring material 1.
  • the standard-length material 1 has a frame plate portion 2 constituting a wall surface of a concrete formwork, and an L-shaped cross-section disposed on the outer wall surface side of the frame plate portion 2. It has flange portions 3 and 4 and an engaging hole 5 for engaging adjacent flange portions with each other.
  • the frame plate portion 2 is a plate member having a rectangular shape and a thickness of about 12 mm which conforms to the standard of the plywood veneer formwork.
  • the frame plate 2 has dimensions (width: 450 thighs, length: 180 mm) conforming to the standard. As described above, since the dimensions of the frame plate 2 conform to the standard of the conventional veneer formwork, the size of the frame plate 2 is different from the conventional veneer formwork. Mixed construction becomes possible.
  • the flange portions 3 and 4 are arranged so as to surround the outer edge of the frame plate portion 2.
  • the frame plate 2 and the flanges 3 and 4 are integrally formed of a mixture of wood powder and synthetic resin. More specifically, the flange portions 3 and 4 rise in a right angle to the frame plate portion 2 and are bent inwardly of the frame plate portion 2 to form an L-shaped upper surface portion.
  • the frame plate portion 2 and the flange portion 3 are formed by melting a granular pellet obtained by mixing 55% of wood flour and 45% of waste plastic, filling the mixture in a mold, and applying a high pressure. It is molded by curing below.
  • the engaging hole 5 is a circular hole formed by penetrating the upper surfaces of the flange portions 3 and 4, and is provided with dimensions, positions, and intervals (450 bands) conforming to the standard. That is, when the concrete formwork is constructed, the engaging holes 5 provided in each flange portion are aligned with each other when the fixed-length material 1 is arranged adjacently. These engagement holes 5 form an engagement portion when an engagement clip 6 is inserted therethrough as shown in FIGS. 3A and 3B, and the components are engaged with each other.
  • FIG. 4 is a perspective view showing the entirety of the free material 8 according to the present embodiment
  • FIG. 5 is a plan view showing the upper surface and side surfaces of the free material 8.
  • the free material 8 includes a frame plate portion 9 constituting the wall surface of the concrete formwork and an outer wall surface of the frame plate portion 9 in the same manner as the above-described fixed-length material 1.
  • Flanges 3 and 4 that are arranged on the side and have an L-shaped cross section And a free member that can be freely arranged on the surface of the flange portion 10 and the frame plate portion 9 that have an engagement hole 5 for engaging a female member.
  • the free member 7 is a member having a rectangular cross section that is fixed to the frame plate portion 9 by the fixing portion 12 and has an engagement hole 11 into which the engagement clip 6 is engaged. Have been.
  • the free member 7 is used to fix the component at a non-standard position when constructing the concrete formwork. After fixing the free member 7, the free member 7 is formed. By cutting off the surplus part of the free material 8 that is not involved (the hatched part in Fig. 4), it is possible to construct the concrete form freely.
  • FIG. 7 is a perspective view showing the entire formwork component 18 according to a modification of the present embodiment
  • FIG. 8 is a plan view showing the top and side surfaces of the formwork component 18.
  • the formwork component 18 is provided on a frame plate portion 19 forming the wall surface of the concrete formwork, and on the outer wall surface side of the frame plate portion 19. It has flange portions 13 and 14 each having a rectangular cross section and an engagement hole 15 for engaging adjacent flange portions with each other.
  • the flange portions 13 and 14 are arranged so as to surround the outer edge of the frame plate portion 19.
  • the frame plate portion 19 and the flange portions 13 and 14 are integrally formed of a mixture of wood powder and synthetic resin.
  • the engagement hole 15 is formed through the flange portions 13 and 14 and the frame plate portion 19.
  • the engagement holes 15 provided in each flange portion are aligned with each other. Then, as shown in FIG. 9C, these engaging holes 15 form an engaging portion when the engaging clip 6 is inserted therethrough, and the constituent members are engaged with each other.
  • the mold forming member 18 includes the free member 17 that can be freely arranged on the surface of the frame plate portion 19, like the free member 8 described above.
  • the free member 17 is a member having a rectangular cross section which is fixed to the frame plate portion 9 by the fixing portion 12, and has an engaging hole 31 with which the engaging clip 6 is engaged. Have been.
  • This free member 17 is used to fix the component at a non-standard position when constructing the concrete formwork. After fixing the free member 17, the free member 17 is formed. By cutting off the surplus part of the frame plate part 19 that is not involved (the hatched parts in Figs. 7 and 8), it is possible to construct the concrete form freely.
  • a hollow portion 41 can be provided.
  • the inner hollow portion 41 can have various shapes such as a rectangular shape (FIG. 10A), a circular shape (FIG. 10B), and a truss shape (FIG. 10C) as shown in FIG.
  • the weight of the hollow portion 41 can be reduced, the component material can be reduced in weight, and the component material can be used as it is as a structural material of a building.
  • the hollow part 41 acts as a heat insulating material, realizing a comfortable building can do.
  • a heat insulating material 42 can be sealed in the hollow portion 41.
  • a known heat insulating material such as polyurethane can be adopted. According to the constituent material enclosing such a heat insulating material, a higher heat insulating effect can be expected from the heat insulating material 42.
  • a concrete form is formed using the above components, concrete 51 is poured into the concrete placement space in the form, and the components are left It can be used as a component.
  • the sealing portion 54 for inserting the wiring Z pipe 54 a and the power distribution unit 55 are arranged.
  • the wall plate 52 may be attached so as to cover the space 53.
  • the wall plate 52 be provided with a lead-out hole that matches the shape of the power distribution unit 55 in order to lead the outlet.
  • FIG. 12 is a flowchart showing the flow of the concrete placing method according to the present embodiment.
  • fixed-size materials are manufactured by using waste vinyl house agricultural materials, waste plastics, industrial waste plywood, or recycled materials brought in from the recycling factory 22 brought in from the waste material supplier 23. 1 and free material 8 are manufactured.
  • the fixed-length material 1 and the free material 8 manufactured in the factory 21 are carried into the construction site 20.
  • the construction site 20 assemble the fixed length material 1 or free material 8
  • the concrete placing space is formed by the frame plate portion 2 by engaging the adjacent flange portions 3, 4, 10 or the free members 7 with each other (S101 to S103). This engagement is performed by aligning the engagement holes 5 provided in each member and passing the engagement clips 6 through the engagement holes 5.
  • a surplus portion of the frame plate portion 9 is cut out (S102) to have a required size, and the free member 7 is fixed to the outer edge of the cut portion by the fixing portion 12.
  • step S104 concrete is poured (S104).
  • rebar is laid in the concrete casting space and concrete is filled.
  • the concrete form is removed (S105).
  • This removed concrete form will be reused at the same construction site if it can be reused.
  • the concrete form that cannot be reused and the surplus part cut off in step S102 are collected as waste materials and transported to the recycling factory 22.
  • the waste material is pulverized and processed into pellets, then transferred to the factory 21 as raw material, and the pellets are melted in the factory 21 to be converted into the fixed-size material 1 and the free material 8. Reproduce.
  • the fixed-size material 1 or the free material 8 and the flange portions 3, 4, and 4 are mixed with the mixed material of the wood powder and the synthetic resin.
  • 10 and 10 are integrally molded, the strength of the flange portion is high, and when building a concrete formwork, it is possible to maintain the resistance to bending moment generated in the flange portion.
  • waste wood powder, waste plastic, used fixed length material 1 and the like are used as raw materials for the fixed length material 1 and the free material 8, so that the strength is maintained. While improving the workability, it is possible to improve the accuracy of construction while minimizing dimensional deviations.
  • the absorbability of the wooden part can be reduced by the synthetic resin to be mixed, and the releasability can be enhanced by reducing the adhesion of the wooden part, and the number of diversions can be improved.
  • the frame plate portion and the flange portion are integrally molded with the mixture of the wood powder and the synthetic resin. It can maintain the power resistance when concrete is cast, and can be used to discard plastics such as agricultural greenhouses, plywood veneers that are industrial waste, and wood powder that is obtained by pulverizing demolition waste of wooden buildings, or It is possible to recycle the concrete formwork components by reusing the demolded used concrete formwork or the cut-off surplus part.
  • a concrete formwork that can be reused and reduces adverse effects on the environment and can improve workability, strength, and versatility, and a concrete casting method using the same. Configuration method can be realized.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

Lors du placement de béton au moyen de formes en béton, des formes en béton peuvent être recyclées, ce qui permet de réduire les effets négatifs sur l'environnement et d'accroître le façonnage, la résistance et la polyvalence d'emploi du béton. Une taille standard (1) présente un plateau d'ossature (2) formant la surface de paroi d'une forme en béton, des rebords (3, 4) disposés sur les côtés de la surface de paroi extérieure de la plaque d'ossature (2) et présentant des parties en forme de L, s'engageant dans des trous (5) permettant aux rebords de s'engager entre eux. En outre, une matière libre (8) est également dotée d'un rebord (10) disposé dans une position de taille standard, et d'un élément d'utilisation libre (7) pouvant être librement disposé sur la surface de la plaque d'ossature (9).
PCT/JP2002/010206 2002-10-01 2002-10-01 Composants de forme en beton, procede de production associe, forme en beton et procede de placement de beton WO2004031511A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2002335482A AU2002335482A1 (en) 2002-10-01 2002-10-01 Components of concrete form, production method therefor, concrete form, and concrete placing method
PCT/JP2002/010206 WO2004031511A1 (fr) 2002-10-01 2002-10-01 Composants de forme en beton, procede de production associe, forme en beton et procede de placement de beton

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2002/010206 WO2004031511A1 (fr) 2002-10-01 2002-10-01 Composants de forme en beton, procede de production associe, forme en beton et procede de placement de beton

Publications (1)

Publication Number Publication Date
WO2004031511A1 true WO2004031511A1 (fr) 2004-04-15

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WO (1) WO2004031511A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220018145A1 (en) * 2018-12-17 2022-01-20 Basf Se Formwork system, comprising a form lining, on the rear side of which at least one molding element is attached

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0726687A (ja) * 1993-07-15 1995-01-27 Taisei Corp 壁仕上材の取付け方法
JPH0959424A (ja) * 1995-08-22 1997-03-04 Tokuyama Corp 樹脂組成物
JPH09234710A (ja) * 1996-02-29 1997-09-09 Marui Sangyo Kk 構築用合板の製造方法
JP2677201B2 (ja) * 1994-08-05 1997-11-17 株式会社川根工務店 コンクリート用型枠パネル長さ調節方法
JP2717514B2 (ja) * 1994-04-28 1998-02-18 義行 早川 コンクリート成形用型枠材
JP2000017776A (ja) * 1998-07-06 2000-01-18 Fujipura Seiko Co Ltd ハニカム中空体内に発泡樹脂を注入して形成した合成樹脂製建築材
JP2001049770A (ja) * 1999-08-05 2001-02-20 Katsuji Asami 建設構造壁の防水断熱パネル。
JP3177226B2 (ja) * 1999-04-06 2001-06-18 木村化工機株式会社 コンクリート型枠パネル
JP2001276643A (ja) * 2000-01-28 2001-10-09 Ain Kk Sogo Kenkyusho 木質合成材料から成るコンクリート型枠用のせき板から木質合成材料を回収する方法、及び前記回収した木質合成材料を原料としたコンクリート型枠用せき板。

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0726687A (ja) * 1993-07-15 1995-01-27 Taisei Corp 壁仕上材の取付け方法
JP2717514B2 (ja) * 1994-04-28 1998-02-18 義行 早川 コンクリート成形用型枠材
JP2677201B2 (ja) * 1994-08-05 1997-11-17 株式会社川根工務店 コンクリート用型枠パネル長さ調節方法
JPH0959424A (ja) * 1995-08-22 1997-03-04 Tokuyama Corp 樹脂組成物
JPH09234710A (ja) * 1996-02-29 1997-09-09 Marui Sangyo Kk 構築用合板の製造方法
JP2000017776A (ja) * 1998-07-06 2000-01-18 Fujipura Seiko Co Ltd ハニカム中空体内に発泡樹脂を注入して形成した合成樹脂製建築材
JP3177226B2 (ja) * 1999-04-06 2001-06-18 木村化工機株式会社 コンクリート型枠パネル
JP2001049770A (ja) * 1999-08-05 2001-02-20 Katsuji Asami 建設構造壁の防水断熱パネル。
JP2001276643A (ja) * 2000-01-28 2001-10-09 Ain Kk Sogo Kenkyusho 木質合成材料から成るコンクリート型枠用のせき板から木質合成材料を回収する方法、及び前記回収した木質合成材料を原料としたコンクリート型枠用せき板。

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220018145A1 (en) * 2018-12-17 2022-01-20 Basf Se Formwork system, comprising a form lining, on the rear side of which at least one molding element is attached

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