JPH0213619Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] This invention relates to a concrete pouring formwork for externally insulating walls that eliminates the need for exterior finishing work after concrete is poured.

[Conventional technology]

As a method of insulating the outer walls of building structures,
It is known that the so-called external insulation method, in which a heat insulating material is installed on the outdoor side of an exterior wall, is more effective in cold regions than the so-called internal insulation method, in which a heat insulating material is installed on the indoor side. Furthermore, an external insulation method has recently been implemented in which a ventilation passage is interposed between the insulation material and the exterior finishing material, and when the outside air humidity rises, a draft is generated to remove moisture from inside the building. There is one disclosed in Japanese Patent Publication No. 59-228547 and shown in FIG.

In FIG. 4, 1 is an indoor finishing layer, 2 is a concrete wall frame, and 3 is a heat insulating material, which has an uneven structure on its surface to provide ventilation passages 3a. 4 is a finishing base material, and a perforated board or the like is used. 5 is a sealer and mortar base, and 6
is the exterior finishing material such as tiles attached to this base material. The above members 3, 4, 5, and 6 are integrally layered and function as formwork when concrete wall (framework) 2 is poured, and after the wall is completed, a part of the wall is It is now configured.

[Problem that the invention attempts to solve]

However, in such a conventional wall structure, in order to form a ventilation passage, it is necessary to process unevenness on at least one surface of the heat insulating material or the finished lining material, or to separately insert a member for the ventilation passage. In addition, when used as formwork material, the structure is not designed to withstand the lateral pressure during concrete pouring, so when used as formwork material, the outside of the wall must be placed at the vertical edge in the same way as in general formwork work. It required reinforcement work with thick and horizontal beams, and scaffolding was also required for this work, which required a lot of materials, construction time, and cost.

This idea was created by focusing on these conventional problems, and instead of reinforcing materials such as vertical and horizontal beams that are attached externally, members of the lattice frame structure are incorporated into the wall structure. The purpose of the present invention is to solve the above-mentioned problems by providing means such as providing the material with a function as a finishing base material.

[Means for solving problems]

This idea consists of laminating and integrating a reinforcing material to which exterior finishing material is attached, a plate-like member with air permeability, and a heat insulating material, and also interposing the plate-like member between the reinforcing material and the heat insulating material. , the reinforcing material provides a concrete pouring formwork constituted by a lattice framework provided with ventilation holes.

[Effect]

Exterior finishing materials, reinforcing materials, plate-shaped members, and insulation materials are integrated into a laminated formwork, so when pouring concrete, the large lateral pressure generated by pouring is first applied to the insulation materials. Since the plate member is interposed between the reinforcing material and the reinforcing material, there is no risk that the heat insulating material will be pushed into the space of the reinforcing material and damaged.
Therefore, it is also possible to use heat insulating materials that are not very rigid. In addition, since the reinforcing material has a lattice-like frame, it has sufficient strength to withstand the lateral pressure, and does not require external reinforcement such as vertical end thickening or horizontal end thickening, and does not require an external scaffold for work. After the concrete has hardened, it is integrated with the poured concrete, and the frame space of the reinforcing material is communicated with ventilation holes, so when the outside temperature rises, a draft is activated to remove moisture from inside the building, making it an ideal external insulation. It becomes a wall.

〔Example〕

This invention will be explained below based on the drawings. 1st
Figures 1 to 3 are diagrams showing an embodiment of this invention.

First, the structure will be explained. Reference numeral 11 is an exterior finishing material, which is made of a surface-treated iron plate. Reference numeral 11a denotes a mounting flange for mounting to a reinforcing member, which will be described later, by bolting, welding, or the like. Reference numeral 12 is a reinforcing material, which is made of a lightweight steel frame formed into a lattice-like frame, and a number of ventilation holes 12a are bored in the horizontal members forming this frame to communicate the space inside the frame. There is. 13
is an embedded metal fitting, which is fixed to the reinforcing material 12, and has a barb 14 inserted into its tip, which increases the fixing force when this embedded metal fitting 13 is embedded in concrete.

Reference numeral 15 denotes a plate-like member, which is made of a mesh material that has extremely high air permeability and has the required rigidity in the thickness direction. Reference numeral 16 is a heat insulating material, which serves as a weir during concrete pouring. 1
Numeral 7 is a part which is screwed into the bolt 18 to connect the plate member 15 and the heat insulating material 16 to the reinforcing material 12.
In addition to being fixed to the separator 19, it is also screwed into the separator 19 in a reverse screw relationship. Separator 1
Reference numerals 9 and 9 refer to edges where the weir plates 20 are provided vertically and horizontally to hold the space between the heat insulating material 16 and the weir plate 20 to form the frame 21, and to receive the lateral pressure of the concrete that occurs when concrete is poured into this space. It is designed to be supported via a thick member 22. 23
is a presser metal fitting that holds the end piece 22 provided in the horizontal direction.

Furthermore, the exterior finishing material 11 is fixed to the reinforcing material 12, and the plate-like member 15 and the heat insulating material 16 are also fastened to the reinforcing material 12 with the parts 17 and bolts 18, and these parts integrally constitute the formwork 10. It is said that Therefore, this formwork 10 can be produced in a factory as a unit having a unit area.

Next, the effect will be explained.

When the unitized formwork 10 is hoisted by a crane or the like and placed at the wall construction position and concrete is poured, the large lateral pressure generated during concrete pouring on the frame 21 formed by this concrete is , the load is applied to the insulation material 16 first, but since the plate member 15 is interposed between the reinforcement material 12 and the insulation material 16, there is no risk of the insulation material 16 falling into the lattice-shaped space of the reinforcement material 12 and being damaged. do not have. Further, since the reinforcing member 12 is a frame formed of a steel frame with high rigidity, it has a strength that does not cause deformation etc. due to the lateral pressure. When the concrete hardens, the embedded metal fittings 13 to which the Kanzashi reinforcement 14 is attached are fixed in the hardened concrete, that is, the frame 21, and the formwork 10 and the frame 21 are thus firmly integrated to form a wall. . Also,
Since the exterior finishing material 11 is already attached to the reinforcing material 12 as a unit, there is no need for exterior finishing work as in the conventional example.

Furthermore, since the spaces in the lattice-like frame of the reinforcing member 12 are communicated through the ventilation holes 12a, when heat is received from the outside world, the air in the space flows, and indoor moisture is removed from the highly breathable plate-like member 12a. and is emitted from inside the reinforcing material 12 to the outside air. Note that the exterior finishing material is not limited to a metal plate, and may be a synthetic resin plate, an asbestos plate, or the like.

[Effect of idea]

As explained above, according to this invention, the structure is integrated by laminating the reinforcing material to which the exterior finishing material is attached, the breathable plate-like member, and the heat insulating material, and the plate-like member is further reinforced. The reinforcing material is a concrete pouring form for the external insulation wall, which is made of a lattice frame with ventilation holes, which is interposed between the concrete and the insulation material, so that it can withstand the lateral pressure when concrete is poured into the frame. Because it forms a highly rigid formwork, there is no need for reinforcement with thick timbers on the outside of the building, and there is no need to perform exterior finishing work after the concrete has hardened as in conventional methods, so external work scaffolding can be erected. This method eliminates the need for this, and can therefore significantly reduce construction time and construction costs.Since the reinforcing material is a lattice frame, the air layer inside this frame is large, which has a large indoor moisture dissipation effect and a great heat insulation effect. Effects can be obtained.

[Brief explanation of drawings]

Fig. 1 is a side view of the embodiment according to the present invention, Fig. 2 is an enlarged cross-sectional view of section A in Fig. 1, Fig. 3 is a partially cutaway perspective view of the embodiment, and Fig. 4 is a partial cross-section of the conventional example. It is a diagram. 10... Formwork, 11... Exterior finishing material, 12...
...Reinforcing material, 12a...Vent hole, 15...Plate member, 16...Insulating material.

Claims (1)

[Scope of utility model registration request] A concrete pouring formwork that is integrated by laminating a reinforcing material to which an exterior finishing material is attached, a plate-like member having air permeability, and a heat insulating material, wherein the plate-like member is a layer between the reinforcing material and the heat insulating material. 1. A concrete pouring form for an external heat insulating wall, characterized in that the reinforcing material is constituted by a lattice-like frame provided with ventilation holes.