JP2010138614A - Panel used as form, and construction structure and construction method of concrete wall using the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a panel used as a form, and a construction structure and a construction method of a concrete wall using the panel usable as an outside form to construct a concrete wall excelling in heat insulating performance in constructing the concrete wall by a concrete form method. <P>SOLUTION: The panel 1A used as the form for constructing the concrete wall and facing through a space holding member comprises a heat insulating material 11 and an external facing body 13 disposed on the outside of the heat insulating material 11. A bar-like member 51a constituting the space holding member 3A is disposed on the back face side of the heat insulating material 11, and the inside end of the bar-like member 51a is provided with a screw means (a high nut 52a). <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention provides a panel for a formwork that can be used as an outer formwork and can be used for constructing a concrete wall with excellent heat insulation performance, and a concrete wall construction structure using the same. , And its construction method.

  Conventionally, a concrete formwork method (including a method in which a heat insulating layer is formed) is a method of forming a concrete placement space by forming a formwork with a plywood or the like, and in order to maintain this placement space, A support is used.

For example, in Patent Literature 1, a holding member (cone) is arranged by providing a plurality of through-holes on the opposing surface of the formwork in an opposing manner, and screw holes having different diameters are provided on the front surface and the rear surface of the holding member. The spacing member (separator) is placed on the outside, and concrete is placed in a state in which a bolt material called a foam tie is arranged. Patent Document 2 discloses an outer heat insulating structure using a heat insulating material as a mold, and Patent Document 3 discloses an outer heat insulating structure in which an exterior material is integrated.
Registered Utility Model Publication No. 3063628 JP 2004-137766 A JP 11-315601 A

However, in Patent Documents 1 to 3 and the like, it is necessary to separately attach a mold frame and a spacing member (bolts and the like), and it is necessary to dispose the spacing member in a state in which the spacing member is attached to a through hole formed in the mold in advance. As a result, the work was extremely troublesome. Furthermore, when constructing any exterior material, for example, with the surface of the constructed concrete body (heat insulation layer) as the foundation, it is necessary to drive the anchor into the hardened and hardened concrete body, but the work of driving the anchor Had a problem of poor workability because it had to be inked out.
In addition, in Patent Document 2, after the foam tie is removed after the concrete is cured, the mortar as an adhesive is applied and the tile is attached. Therefore, the work on the wall continues after the curing and the workability is excellent. There wasn't. In addition, since a step of laying tiles as exterior materials on the wall is necessary, a work scaffold and a space for installing the scaffold are necessary. Further, in Patent Document 3, the head of the anchor member protrudes from the surface of the cemented hard plate, which is not preferable in design. The separator connecting the inner and outer molds remained when the mold was removed, and had to be cut and jointed.

  Then, this invention aims at providing the construction structure of a concrete wall using the panel which can be used as a formwork of one side, and can construct the concrete wall which was excellent also in heat insulation performance, and it And

  The present invention has been proposed in view of the above, and is a panel for a formwork used in a formwork that constructs a concrete wall and faces each other via a spacing member, and is disposed outside the heat insulating material and the heat insulating material. A formwork comprising an exterior body to be provided, a rod-shaped member constituting a spacing member being disposed on the back side of the heat insulating material, and a screwing means provided at an inner end of the rod-shaped member This relates to the dual-use panel.

  Further, in the panel for combined formwork according to the present invention, the bar-shaped member can separate the first member located in the heat insulating material and the second member protruding from the back surface side of the heat insulating material by screwing means, There is also proposed a mold-use panel characterized in that the screwing portion is located inside the heat insulating material rear surface.

  Furthermore, the present invention is a concrete wall construction structure for constructing concrete between the outer and inner molds, wherein the panel for both the molds is arranged as an outer mold and the concrete is placed between the molds We also propose a concrete wall construction structure characterized by hardening.

  Furthermore, the present invention is a method for constructing a concrete wall in which concrete is placed between an outer mold and an inner mold, and a process for arranging the panel as a mold is arranged as an outer mold, and the mold We also propose a concrete wall construction method characterized by comprising a step of placing concrete in between.

Since the panel for combined formwork of the present invention is a panel in which a heat insulating material (also used for formwork) and a spacing member are combined, it can be used as an outer formwork in a concrete formwork method, and is a separate member as in the prior art. It is not necessary to prepare an exterior material or a heat insulating material, attach them separately, or remove the formwork.
Furthermore, the panel for both formwork of the present invention has an exterior body that is integrally attached, so there is no need to inking after construction, no work such as attaching exterior materials is required, and the construction period is greatly increased. Can be shortened. Further, there is no need for a work scaffold for mounting the exterior material and a space for installing the scaffold. For this reason, for example, when there is no space between adjacent buildings such as a valley of a building, the exterior structure is completed by assembling the panel for a formwork and can be easily applied to a place where a scaffold cannot be assembled.

  Further, the rod-shaped member can separate the first member located in the heat insulating material and the second member protruding from the back surface side of the heat insulating material by screwing means, and the screwed portion is inside the heat insulating material back surface. When positioned, the second member can be stacked and managed and transported in a separated state.

  Moreover, since the construction structure of the concrete wall of the present invention uses the panel for a formwork having the above-described configuration, the outer wall is constructed when the concrete is placed and cured (cured).

  Furthermore, since the method for constructing a concrete wall of the present invention uses the panel for a formwork having the above-described configuration, an exterior material, a heat insulating material, etc. are prepared as separate members, these are attached separately, or the formwork is removed. There is no need for work.

The panel for both formwork of the present invention comprises a heat insulating material and an exterior body disposed on the outside thereof, and is a member used as an outside formwork in a concrete formwork method, and includes a spacing member disposed inside the panel. A fastening tool called an inner rod-shaped member or a foam tie reaching the inner mold can be connected to and connected to the (outer) rod-shaped member that is constituted by a screwing means.
In addition, the said exterior body points out the crosspiece member or holding member to which an exterior material and an exterior material are fixed.

  The heat insulating material is not particularly limited in its material or the like, and may have a connecting means in the vertical direction and / or the left and right direction. As the connecting means, a groove is provided in an opposing portion and a secondary material is interposed. May be connected to each other, or may be uneven. The vertical connection is preferably such that the vertical heat insulating material (panel) is slidable in the horizontal direction. For this purpose, a secondary material or a coating that facilitates sliding may be applied to the concave portion or convex portion.

  The exterior body constitutes a wall body such as an exterior material, a crosspiece member, and an adjuster laid on the surface of the heat insulating material, and constitutes an exterior finish (wall body) on the heat insulating material surface (outside). For example, the configuration (structure) is not particularly limited.

The crosspiece members are arranged at regular intervals in the vertical direction or the horizontal direction, and the exterior material is attached directly or via another member. In order to improve panel strength, a heat insulating material may be sandwiched vertically and horizontally to form a lattice shape. Further, the crosspiece member may be housed in a groove provided in the heat insulating material, or may be disposed on the surface of the heat insulating material via a level adjusting member or the like.
The bar member is preferably made of metal, but may be made of a non-combustible material, a wooden material subjected to non-combustible treatment, or a composite material, and the material, shape, etc. are not particularly limited. The crosspiece members of the adjacent panels may be connected to each other via a connecting member (joint member) or directly.

The exterior material laid on the exterior body may have a specification in which one edge protrudes from the side edge of the heat insulating material, may be substantially the same position, or may be located inside. The specifications that one edge protrudes are those in which the exterior materials are engaged or superposed in the laying state of the panel (butting state), and the other specifications are those that attach a separate member to the connection part of the panels (in this case, It may be attached to one side edge in advance or may be attached to another member in a connected state).
The exterior material may be any known material such as metal, non-metal, ceramics, synthetic resin, cement board, calcium silicate board, etc. Etc. may be used.

  In the configuration in which these exterior bodies, in particular, the exterior material and the crosspiece member are connected by a heat insulating material and a rod-shaped member arranged on the inner side, the strength as the panel for a formwork is further improved.

The interval holding member is a member (separator) that holds an interval between an outer mold frame and an inner mold frame used in a concrete mold method, and is an (outer) rod-shaped member disposed in the panel. May refer to the entire interval holding member, that is, to the inner mold frame, or may be configured to hold an interval between the mold frames by connecting another (inner) rod-shaped member to the tip thereof.
Further, the (outer) rod-shaped member may be composed of one member or may be composed of a plurality of members, and in particular, the first member and the heat insulating material located in the heat insulating material. The second member protruding from the back surface side can be separated by the screwing means, and the screwed portion may be integrally held so as to be located inside the heat insulating material back surface.

  In addition, the inner end of the (outer) bar-like member is provided with a screwing means, and as described above, the inner bar-like member reaching the inner mold or a fastening tool called a foam tie can be connected and connected. However, specifically, an inner rod-like member or a fastening tool in which a female screw portion is formed at the inner end and a male screw portion is formed at the tip may be connected. As the female screw portion, for example, nuts such as hexagon nuts, high nuts, different diameter nuts, special bolts in which a female screw is cut at the head of a rod-like member such as a bolt may be used. The tip of a bolt that is screwed into the female screw portion may be used.

As described above, at the time of placing concrete, as the spacing member disposed between the outer and inner molds, the bar-shaped member disposed in the mold-combined panel constitutes a part or all thereof. Specifically, there are the following cases.
When the rod-shaped member constitutes the whole of the spacing member, a fastening tool called a foam tie is connected to the tip of the rod-shaped member by screwing means, and the concrete wall even after the concrete is placed and hardened A rod-shaped member remains inside.
When the rod-shaped member constitutes a part of the spacing member, the rod-shaped member is connected to the inner rod-shaped member reaching the inner formwork by the screwing means at the tip of the rod-shaped member, and is placed inside after the concrete is placed and hardened. Since only the bar-shaped member is separated and extracted, the extracted inner bar-shaped member can be used repeatedly.
In addition, it is not necessary to wait until the time when the cast concrete is cured and exhibits sufficient characteristics, and the inner rod-shaped member should be hardened to such an extent that no flow (flow deformation) occurs.

  As described above, in the aspect of extracting the inner bar-shaped member, by surrounding the inner bar-shaped member with the cylindrical member, the inner bar-shaped member can be easily extracted after placing and curing the concrete. A resin pipe material or the like can be used.

From the viewpoint of heat insulation, in the embodiment in which the inner rod-shaped member is pulled out as described above, even if cold heat is transferred to the other side through the outer rod-shaped member, further transmission of cold heat (cooling bridge) is cut off and heat insulation is performed. High performance.
Particularly preferably, the outer rod-shaped member is surrounded by a resin cylindrical member, and in this case, since the outer rod-shaped member does not contact the concrete, the cold heat is transferred through the concrete. Is also suppressed, and the thermal bridge is cut off and the insulation performance is high.

  When the outer rod-shaped member constitutes a part of the spacing member, the first member located in the heat insulating material and the second member protruding from the back surface side of the heat insulating material are separated by screwing means. It is possible, and if the screwed portion is positioned inside the heat insulating material rear surface, it can be managed and transported by stacking the form / panels that are substantially flat with the second member separated. .

In addition, when the bulging portion having a larger diameter or wider than the rod-shaped member is provided at the inner end of the outer rod-shaped member, it is possible to prevent accidental detachment (falling off) due to a fire or the like.
As such a bulging portion, for example, a large-diameter portion such as a hexagonal nut, a high nut, a different-diameter nut, or a plate subjected to female thread processing may be used.

  Plywood (wood), reinforced plastic board such as FRP, etc. can be used as the inner formwork as appropriate, and when reinforced plastic board such as FRP is used as the side formwork, concrete molding It can be removed and reused after installation.

Next, each process (1)-(3) which comprises the construction method of the concrete wall of this invention is demonstrated below.
In addition, the structure which a space | interval holding member consists of the outer side rod-shaped member arrange | positioned in a formwork combined panel and the inner side rod-shaped member connected and connected to the inner side edge is demonstrated.

(1) The process of attaching the panel for combined formwork having the above-described structure In this process, the inner bar-shaped member is screwed to the inner end of the outer bar-shaped member in the panel for combined formwork standing at a predetermined position, and the inner formwork is set up. Set up. This fixing may be performed by, for example, screwing a presser having various configurations on the tip of the inner rod-shaped member, and fixing the presser such as a vertical flap or a horizontal flap to the inner formwork with the presser. .

(2) Step of placing concrete The space between the outer and inner molds is a concrete placement space, and a spacing member is arranged in this placement space as described in the step (1). Since it is provided, the outer and inner molds are evenly spaced. Then, the gap holding member does not move due to the concrete placing pressure or the like, and is held at a predetermined position.

(3) Step of extracting the inner bar-shaped member after the concrete is hardened As described above, the interval holding member having the above-described configuration is embedded in the concrete, and the inner bar-shaped member is surrounded by the cylindrical member and comes into contact with the concrete. Therefore, in the process of extracting this, it can be easily extracted without requiring a special jig or a particularly strong force. Note that the presser or the like may be removed or the inner formwork may be removed at the same time as the inner bar-shaped member is extracted. The outer rod-like member is embedded in the concrete as it is while being held by the formwork combined panel.

  As described above, in the concrete wall construction method of the present invention, after the concrete is placed, the outer bar-shaped member is held in the formwork combined panel, and therefore, when the concrete is placed and hardened (cured), the outer wall is Will be built. Furthermore, in order to extract an inner side rod-shaped member, heat transfer is cut off and the heat insulation performance is high.

  And in the construction structure of the concrete wall of this invention obtained, since an outer side rod-shaped member is hold | maintained at a formwork combined panel, it is not necessary to perform inking, and workability | operativity is excellent. Furthermore, in order to extract the inner rod-shaped member, this member (and a pressing tool arranged on the outer side of the inner mold) can be used repeatedly.

  The construction structure of the concrete wall shown in FIG.1 and FIG.2 consists of the heat insulating material 11 and the exterior body (exterior material 13) arrange | positioned on the outer side, The male screw which is a rod-shaped member from the surface side of the heat insulating material 11 to a back surface side. It is constructed by using the panel for both formwork 1A on which the rod-shaped material 51a is disposed. A panel 1A having the above structure is used as an outer mold 1 and concrete 4 is placed between the inner mold 2 and hardened.

In this embodiment, as shown in FIG. 1 (a), the male screw rod-shaped member 51a constitutes a part of the spacing member 3A. Specifically, it constitutes a part of the outer rod-like member 5A. The first member 50A located in the heat insulating material 11 and the second member 50A ′ protruding from the back surface side of the heat insulating material 11 can be connected and separated by screwing means (high nut 52a). The portion (high nut 52 a) is configured to be located inside the back surface of the heat insulating material 11.
That is, the spacing member 3A in this embodiment is composed of an outer rod-shaped member 5A and an inner rod-shaped member 6A, and the outer rod-shaped member 5A is the first member 50A located in the heat insulating material 11 and the back surface side of the heat insulating material 11. The inner rod-shaped member 6A is composed of a male screw rod-shaped member 61a surrounded by a cylindrical member 62a. The first member 50A is composed of a male screw rod-shaped material 51a and a high nut 52a, and the second member 50A ′ is composed of a male screw rod-shaped material 53a and a different diameter nut 54a.

  And this form-panel 1A attaches the rafter 12 which is a substantially hat-shaped crosspiece member to the projecting portion of the male screw rod-shaped member 5a, which is held through the heat insulating material 11, via an adjustment fitting 17, In this configuration, an exterior material 13 is attached to the rafter 12.

An example in which a concrete wall is constructed using the form / panel 1A having such a configuration will be described with reference to the illustrated embodiment.
First, as shown in FIG. 1 (a), the form and panel 1A is transported in a state where the male screw rod-like material 53a and the different-diameter nut 54a embedded in the concrete are removed, and the mold is put into a predetermined position. After the frame / panel 1A is erected, as shown in FIG. 1 (b), it is screwed into a high nut 52a located in the heat insulating material 11 of the mold / panel 1A so as to have a male screw rod-shaped material 53a and a different diameter nut. 54a is attached and disposed.
Next, the outer end of the inner rod-shaped member 6A (male screw rod-shaped member 61a) is screwed and connected to the inside of the different diameter nut 54a, and is tightened with a fastening tool (not shown) to bring the mold 2 into a predetermined position. The concrete placement space 40 is formed by fixing. In this state, as shown in FIG. 2A, the concrete 4 is placed, and after the hardening, the male screw rod-shaped material 61a which is the inner rod-shaped member 6A is extracted, and the inner mold 2 and the cone-shaped holding member 20 are extracted. Was removed to obtain a concrete wall shown in FIG.

Thus, since the panel 1A combined with a mold of the present invention is a panel combining the heat insulating material (also used as a mold) 1 and the spacing member 3A, it can be used as an outer mold in the concrete mold method. There is no need to prepare an exterior material or a heat insulating material as separate members, attach them separately, or remove the mold as in the technology.
Moreover, since the exterior body (exterior material 13) is integrally attached to the panel for both formwork 1A of the present invention, it is not necessary to carry out ink marking after construction, and an operation such as attaching the exterior material 13 is required. The construction period can be greatly shortened. Further, a work scaffold for mounting the exterior material 13 and a space for installing the scaffold are not required. For this reason, for example, when there is no space between adjacent buildings such as a valley of a building, the exterior structure is completed by assembling the panel for a formwork and can be easily applied to a place where a scaffold cannot be assembled.

  Further, in the illustrated embodiment, the male screw rod-shaped member 51a, which is a rod-shaped member disposed in the mold-use panel 1A, is a part of the first member 50A located in the heat insulating material 11, and the back surface side of the heat insulating material 11 Since the second member 50A ′ protruding from the second member 50A ′ can be connected and separated by the screwing means (high nut 52a), and the screwing part (high nut 52a) is located inside the back surface of the heat insulating material 11, this state Then, since the back surface of the panel 1A for both formwork becomes substantially flat, it can be stacked and managed and transported.

  Furthermore, the inner rod-like member 6A (61a) can be extracted and used repeatedly, so that the member is not wasted and the heat insulation performance is not impaired. Further, in order to extract the inner rod-shaped member 6A (61a), even if the cold heat is transferred to the inner side through the outer rod-shaped member 5A (5a), the further transmission of cold heat (cooling bridge) is blocked and the heat insulation performance is improved. It will be expensive.

  Further, in the illustrated embodiment, as the formwork combined panel 1A arranged on the outside, the one in which the exterior material 13 is previously attached and integrated is used as the formwork 1, so when the concrete 4 is placed and cured (cured). The outer wall will be constructed.

  Moreover, since the exterior material 13 and the crosspiece member 12 are connected by the heat insulating material 11 and the male screw rod-shaped material 51a arranged on the inner side, the strength of the panel for both formwork 1A is further improved.

  In the illustrated embodiment, the outer rod-shaped member 5A is provided with the large-diameter portion of the different-diameter nut 54a as the bulging portion, so that accidental detachment (falling off) due to a fire or the like can be prevented.

The construction structure of the concrete wall shown in FIG.3 and FIG.4 is the rafter 12 'which is a reverse hat-shaped crosspiece member in the protrusion part (outside protrusion part) of the external thread rod-shaped material 51b which penetrated and hold | maintained the heat insulating material 11. A formwork combined panel 1B having a configuration in which a cross rail joint 15 is attached and an exterior member 13 is attached to the rafter 12 ′ is used. The male screw rod-shaped member 51b is a special bolt having an enlarged diameter near the inner tip and a female screw cut on the tip surface. The tip of the special screw has a concrete beating. A male screw rod-shaped material 52b located in the installation space 40 is connected, and a high nut 53b is attached to the tip of the male screw rod-shaped material 52b.
In the figure, reference numeral 16 denotes a spacer to which the widened portion at the inner end of the male screw rod-shaped member 51b, which is the special bolt, is fitted. Prevents crushing and damage. In this embodiment, this spacer is used for each bar-shaped member, but it may be used across a plurality of bar-shaped members. For example, it may be a belt-like plate, rafter, etc. (in this case, by arranging in the direction intersecting with the rafter on the surface side (vertical direction in this embodiment), the front and back become a lattice shape and the strength as a panel is improved ). In the case of a member having a height (thickness) such as a rafter, the heat insulating material may be provided with a groove so as to be substantially flat. Reference numeral 54b denotes a cover material that surrounds the male screw rod-shaped material 52b and the high nut 53b located in the concrete placing space 40.

In this embodiment, as shown in FIGS. 3 (a) and 3 (b), the male screw rod-shaped member 51b constitutes a part of the spacing member 3B, and more specifically, one of the outer rod-shaped members 5B. 1st member 50B which comprises a part and is located in the heat insulating material 11, and can isolate | separate with 2nd member 50B 'which protrudes from the back surface side of the heat insulating material 11 with a screwing means (female screw of a diameter expansion tip). The screwed portion (expanded tip) is located inside the back surface of the heat insulating material 11.
That is, the spacing member 3B in this embodiment is composed of an outer rod-like member 5B and an inner rod-like member 6B, and the outer rod-like member 5B is the first member 50B located in the heat insulating material 11 and the back side of the heat insulating material 11. The inner rod-shaped member 6B is composed of a male screw rod-shaped member 61b surrounded by a cylindrical member 62b. The first member 50B is composed of a male screw rod-shaped material 51b, which is a special bolt, and the second member 50B ′ is composed of a male screw rod-shaped material 52b, a high nut 53b, and a cover material 54b.

  The second member 50B '(male screw rod-like material 52b, high nut 53b) and the inner rod-like member 6B (male screw rod-like material 61b) located in the concrete placing space 40 are respectively made of synthetic resin cover material 54b and It is surrounded by the cylindrical member 62b, and the cover material 54b and the cylindrical member 62b are also connected so that the concrete composition does not enter the inside.

  Further, the mold 2 arranged on the other side in this embodiment can extract the inner bar-shaped member 6B (male screw bar-shaped material 61b) simultaneously with the removal of the fastening tool 7, thereby improving workability and the number of members. The ease of management can be expected due to the decrease. That is, the inner rod-like member 6B in this embodiment is composed of a male screw rod-like material 61b whose outer end is screwed and connected to the high nut 53b, and a portion of the male screw rod-like material 61b located in the concrete placement space 40. 611 is surrounded by a cylindrical member 62b which is a straight tubular pipe material. The male screw rod-shaped member 61 b is connected to a foam-tie rod-shaped member 612 disposed outside the mold 2. Therefore, the male screw rod-shaped member 61b can be removed simultaneously with the removal of the fastening tool 7.

The form and panel 1B having such a configuration can be used for the construction of a concrete wall in the same procedure as in the embodiment of FIGS.
First, as shown in FIG. 3A, the mold / panel 1B is transported in a state where the second member 50b ′ is removed, and the mold / panel 1B is erected at a predetermined position. As shown in FIG. 6B, the male screw rod-like material 52b and the high nut 53b are attached by screwing so that the concrete placement space 40 protrudes.

  Next, the outer end of the inner rod-like member 6B (male screw rod-like member 61b) is screwed and connected to the inside of the high nut 53b, and the mold 2 is fixed at a predetermined position by fastening with the fastening tool 7. The concrete placement space 40 is formed.

  In this state, as shown in FIG. 4A, the concrete 4 is placed in the concrete placement space 40. After the concrete 4 is hardened, the fastening tool 7 is removed and the mold 2 is continuously removed. Thus, the male screw rod-shaped material 61b, which is the inner rod-shaped member 6B, can be extracted, and the concrete wall shown in FIG. 4B is constructed. Therefore, improvement in workability and ease of management due to a reduction in the number of members can be expected.

  The combined formwork panel 1B of the present invention thus constructed has the same effect as the combined formwork panel 1A in the above embodiment, and can be used as an outer formwork in the concrete formwork method.

  In the illustrated embodiment, the male screw rod-shaped member 51b, which is a rod-shaped member disposed in the mold / panel 1B, is the first member 50B positioned in the heat insulating material 11 and protrudes from the back surface side of the heat insulating material 11. The second member 50B ′ can be connected and separated by screwing means (female screw of the enlarged diameter portion), and the screwed portion (expanded diameter portion) is located inside the back surface of the heat insulating material 11, so this state Then, the back surface of the panel for both formwork 1B is substantially flat. That is, when the second member 50 ′ (male screw rod-like material 52 b, high nut 53 b, cover material 54 b) embedded in the concrete 4 is removed and handled, it can be stacked without any protrusion on the formwork-use panel 1 B. It can be transported and stored in a wet state.

Further, in the illustrated embodiment, since the high nut 53b is attached to the outer rod-like member 5B as the bulging portion, it is possible to prevent accidental detachment (falling off), and in particular, a cover adjacent to the bulging portion 53b. Since the diameter is larger than that of the material 54b and the cylindrical member 62b, for example, even if the cover material 54b and the cylindrical member 62b are substantially lost (melted or burned) in the event of a fire or the like, Since 53b is larger than these spaces, dropout is prevented.
Further, in this embodiment, as the cylindrical member 62b, which is a straight pipe material (cylindrical material), an inexpensive product such as a resin pipe material can be selected and used. Is extremely high.

The construction structure of the concrete wall shown in FIG.5 and FIG.6 is the rafter 12 'which is a reverse hat-shaped crosspiece member in the protrusion part (outside protrusion part) of the male screw rod-shaped material 51c which penetrated and hold | maintained the heat insulating material 11. A formwork-combined panel 1C having a configuration in which a cross rail joint 15 is attached and an exterior material 13 is attached to the rafter 12 ′ is used.
In the figure, reference numerals 55c and 57c are spacers into which the high nuts 52c and 54c are fitted, and reference numeral 56c is a cylindrical member surrounding the male screw rod-like member 53c located in the concrete placing space 40. .

In this embodiment, as shown in FIG. 5 (a), the male screw rod-shaped member 51c constitutes a part of the spacing member 3C. Specifically, it constitutes a part of the outer rod-like member 5C. The first member 50C located in the heat insulating material 11 and the second member 50C ′ protruding from the back surface side of the heat insulating material 11 can be connected and separated by screwing means (high nut 52c). The portion (the high nut 52 c) is configured to be located inside the back surface of the heat insulating material 11.
That is, the spacing member 3C in this embodiment is composed of an outer rod-like member 5C and an inner rod-like member 6C, and the outer rod-like member 5C is the first member 50C located in the heat insulating material 11 and the back side of the heat insulating material 11. The inner rod-shaped member 6C is composed of a male screw rod-shaped member 61c surrounded by a cylindrical member 62c. The first member 50C is composed of a male screw rod-shaped material 51c and a high nut 52c, and the second member 50C ′ is composed of a male screw rod-shaped material 53c and a high nut 54c.

The second member 50C ′ (male screw rod-like material 53c, high nut 54c) and the inner rod-like member 6C (male screw rod-like material 61c) located in the concrete placing space 40 are respectively a cylindrical member 56c, a spacer 57c, It is surrounded by the cylindrical member 62c, and the cylindrical member 56c, the spacer 57c, and the cylindrical member 62c are also connected so that the concrete composition does not enter the inside.
The spacers 55c and 57c are made of synthetic resin, and are provided with receiving portions that can accommodate the high nuts 52c and 54c on the inner side. The cylindrical member 62c is also made of synthetic resin.

The mold / panel 1C having such a configuration can be used for the construction of a concrete wall in the same procedure as in the embodiment of FIGS.
First, as shown in FIG. 5 (a), the formwork / panel 1C is transported in a state where the male screw rod-like material 53c and the high nut 54c embedded in the concrete are removed, and the formwork is placed at a predetermined position. After the dual-use panel 1C is erected, as shown in FIG. 5 (b), the male screw rod-like material 53c and the high nut 54c are screwed into the high nut 52c located in the heat insulating material 11 of the mold-use panel 1C. Install and arrange.
Next, the outer end of the inner rod-like member 6C (male screw rod-like member 61c) is screwed and connected to the inside of the high nut 54c, and the mold 2 is fixed at a predetermined position by fastening with the fastening tool 7. The concrete placement space 40 is formed. In this state, the concrete 4 is cast as shown in FIG. 6 (a), and after the hardening, the fastener 7 is removed and the mold 2 is continuously removed, and then the male screw rod-shaped member which is the inner rod-shaped member 6C. 61c can be extracted, and the concrete wall shown in FIG. 6B is constructed.

  The combined formwork panel 1C of the present invention thus constructed has the same effect as the combined formwork panels 1A and 1B in the above embodiment, and is used as an outer formwork in the concrete formwork method. it can.

  Further, in the illustrated embodiment, the male screw rod-shaped member 51c, which is a rod-shaped member arranged in the mold-use panel 1C, is the first member 50C located in the heat insulating material 11 and protrudes from the back surface side of the heat insulating material 11. The second member 50C ′ can be connected and separated by the screwing means (the female screw of the enlarged diameter portion), and the screwed portion (the enlarged diameter portion) is located inside the back surface of the heat insulating material 11, so this state Then, since the back surface of the panel for both formwork 1C is substantially flat, it can be stacked and managed and transported.

  Furthermore, the inner rod-shaped member 6C (61c) can be extracted and used repeatedly, so that the member is not wasted and the heat insulation performance is not impaired. Further, in order to extract the inner rod-shaped member 6C (61c), even if the cold heat is transferred to the inner side through the outer rod-shaped member 5C (5c), further transmission of the cold heat (cooling bridge) is blocked and the heat insulation performance is improved. In particular, in this illustrated embodiment, since the second member 50C ′ (the male screw rod-like material 53c and the high nut 54c) on one side is surrounded by the cylindrical member 56c and the spacer 57c made of resin, the second member 50C ′ Since the concrete 4 is not in contact with the concrete, it is possible to prevent cold heat from passing through the concrete 4 and to further suppress the heat and cold bridge and to have high heat insulation performance. It becomes a thing.

  FIG. 7 shows spacers 55c and 57c having receiving portions capable of accommodating the high nuts, which are disposed with the flange portions 501 and 501 ′ facing inward as apparent from FIGS. The Since the fins 502 and 502 ′ are provided outside the flange portions 501 and 501 ′, the rotation of the spacers 55c and 57c can be suppressed.

FIG. 8 shows the structure of the heat insulating material 11 and the exterior body disposed on the outside thereof, and FIGS. 8A and 8B using the rafter 12 which is a substantially hat-shaped cross member are the above-mentioned FIGS. 8 (c) and 8 (d) showing the structure of the exterior body used in the embodiment of FIGS. 1 and 2 and using a rafter 12 ′ which is a reverse-hat-shaped cross member is the embodiment of FIGS. The structure of the exterior body used for the Example of FIG.
The exterior material 13 is an exterior material having an angular wave cross section, and reference numeral 11 in the figure denotes a heat insulating material although the thickness is different. Reference numeral 50 denotes a first material disposed in the heat insulating material 11 although the configuration is different. Reference numeral 50 ′ denotes a second member.

  FIG. 9A is a perspective view of the panel 1 for combined formwork according to the present invention. FIG. 9B shows a state in which the exterior material 13 is removed, and FIG. Indicated. Moreover, an example of the joint part of the vertical direction of the heat insulating material 11 was shown in FIG.9 (d).

(A) Cross-sectional view showing a panel for a formwork which is an embodiment of the present invention, (b) a cross-section showing a state in which a second member is connected to a first member embedded in the panel to constitute an outer bar-like member FIG. (A) A cross-sectional view showing a state in which concrete is placed in a concrete placement space formed by connecting an inner rod-like member to an outer rod-like member of the panel for both formwork used in FIG. 1, (b) an inner rod-like member, and It is sectional drawing which shows the concrete wall constructed by removing the inner formwork. (A) A cross-sectional view showing a panel for a formwork which is another embodiment of the present invention, (b) a second member is connected to a first member embedded in the panel to constitute an outer bar-shaped member, and It is sectional drawing which shows the state which connected the inner side rod-shaped member and formed concrete placement space. (A) It is sectional drawing which shows the state which poured concrete in the concrete placement space in FIG. 3, (b) It is sectional drawing which shows the concrete wall constructed | assembled by removing an inner rod-shaped member and an inner formwork. (A) Sectional drawing which shows the state which connected the 2nd member to the 1st member embed | buried in the formwork combined panel which is another one Example of this invention, and comprised the outer side rod-shaped member, (b) Furthermore inside It is sectional drawing which shows the state which connected the rod-shaped member and formed concrete placement space. (A) It is sectional drawing which shows the state which poured concrete in the concrete placement space in FIG. 5, (b) It is sectional drawing which shows the concrete wall constructed | assembled by removing an inner rod-shaped member and an inner formwork. (A) Plan view, enlarged top view, enlarged plan view, enlarged side view showing an example of the spacer used in FIG. 5 and FIG. 6, (b) Plan view, enlarged top view, enlarged plan view showing another example FIG. (A) The top view which shows an example of a heat insulating material and an exterior body, (b) The sectional drawing, (c) The top view which shows another example, (d) The sectional drawing. (A) A perspective view showing an example of a panel for a formwork, (b) a perspective view showing a state in which an exterior material is removed, (c) a perspective view showing a state connected in the left-right direction, and (d) a joint portion in the vertical direction It is sectional drawing which shows the state except the exterior material in FIG.

Explanation of symbols

1, 1A, 1B, 1C Formwork combined panel 11 (Outside) formwork (heat insulation)
12, 12 'rafter 13 exterior material 2 (inside) formwork 3A-3C spacing member 4 concrete 40 concrete placement space 5A-5C outer rod-like member 50A-50C first member 50A'-50C' second member 6A- 6C Inside rod-shaped member

Claims (4)

A formwork combined panel used for a formwork that constructs a concrete wall and confronts it via a spacing member,
It consists of a heat insulating material and an exterior body disposed outside the heat insulating material,
A panel for a formwork characterized in that a rod-like member constituting a spacing member is disposed on the back surface side of the heat insulating material, and screwing means are provided at the inner end of the rod-like member.   The rod-shaped member can separate the first member located in the heat insulating material and the second member protruding from the back surface side of the heat insulating material by screwing means, and the screwed portion is located inside the heat insulating material back surface. The panel for both form and mold according to claim 1. A concrete wall construction structure for constructing concrete between outer and inner molds,
A construction structure for a concrete wall, characterized in that the panel for combined use with a mold according to claim 1 or 2 is arranged as an outer mold, and concrete is placed between the molds and hardened. A concrete wall construction method in which concrete is cast between outer and inner molds,
A method for constructing a concrete wall, comprising: a step of arranging the panel for both molds according to claim 1 as an outer mold, and a step of placing concrete between the molds.

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