JPH0266246A - Insulating concrete with space truss and construction thereof - Google Patents

Abstract

PURPOSE:To prevent breakaway and the like by placing concrete on making a combined panel formed on fastening tabular insulating member arranged between two sheets of grid bodies with many numbers of fastening members welded as a sheathing board, and forming the panel in a body with concrete. CONSTITUTION:A tabular insulating member 2 is inserted between an outer grid body on chord members 11, 12 and an inner grid body on chord members 13, 14, many numbers of fastening members 15 penetrating the member 2 are welded, and a combined panel 1 is formed. Next, the panel 1 is stood on a floor face 100, a space 3 for placing concrete is formed between a formwork plate 4 on inner side and the panel via separators 5, and concrete is placed. Next thereto, the formwork 4 is removed for making the same as an insulation concrete wall after solidifying of concrete. Together with making the member 2 hold with members 15, finishing mortar is made to hold with members 11, 12. Therefore, breakaway or crack on mortar can be prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a heat insulating concrete structure used in buildings and a method for constructing the same.

[Prior art and problems to be solved by the invention] Conventionally, insulating concrete has the following problems: 1. 2. Applying heat insulating material to the surface of concrete. There is a method of attaching insulation material to the inner surface of the formwork, pouring concrete, and then removing the formwork, but the insulation material is generally weak and tends to peel off easily, so the surface must be finished with mortar, tiles, etc. There was a risk that it would peel off immediately.

Furthermore, in order to avoid such dangers, it would be a very time-consuming process to pour insulating material into concrete in a sandwich-like manner.

The present invention provides an insulating concrete that eliminates such drawbacks,
This article provides a method for creating it.

[Means for solving the problem] Concrete is poured into a concrete pouring space using a composite panel formed by forming a three-dimensional truss into a plate shape and a heat insulating material formed into a plate shape within the three-dimensional truss as a formwork. The composite panel and concrete are integrally formed by pouring.

[Operations and Effects] A composite panel in which a three-dimensional truss is formed in a plate shape and a heat insulating material is formed in a plate shape is used, and concrete is placed on one side of the composite panel, so that the composite panel is not connected to the formwork. Therefore, the concrete preparation work is simplified, and the three-dimensional truss effectively connects and holds the concrete, heat insulating material, and finishing mortar together, and at the same time prevents the mortar from cracking.

Furthermore, when constructing a reinforced concrete structural frame, it is normally necessary to insert a spacer to maintain a certain distance between the formwork and the reinforcing bars, but according to the present invention, spacers can be used as the formwork. A reinforced concrete structural frame that uses a composite panel with insulation material set at a predetermined position within the three-dimensional truss of the composite panel to form concrete with the required cover thickness for the reinforcing bars without using spacers. can be created.

Furthermore, if metal plates, plastic plates, wooden boards, etc. are used instead of the heat insulating material, it is possible to create a concrete structure with a three-dimensional truss that shows a three-dimensional truss on the surface.

[Example] As shown in Fig. 1, the first example is a three-dimensional truss formed into a plate shape, and a foamed plastic formed into a plate shape inside the three-dimensional truss.
Alternatively, a composite panel l formed with a heat insulating material 3 such as a glass wool board inserted is used to form a space for wall concrete pouring as shown in Fig. 2, and concrete is poured there;
An example of constructing a heat insulating concrete wall as shown in Figure 3 is shown.

Figure 1 shows that the outer vertical chord members 11 and outer horizontal chord members 12 of a three-dimensional truss are assembled in a grid pattern and welded together, and the inner longitudinal chord members 13 and horizontal chord members 14 are assembled in the same grid pattern and welded. , diagonal members 15 are welded parallel to each other at a constant interval to form a single plate-shaped three-dimensional truss, and a composite panel 1 made of a plate-shaped foamed plastic as a heat insulating material is inserted into the truss. However, this assembly order is applicable to the present invention even if assembled in any other order.

As for the thickness of the composite panel 1, the distance between the outer vertical and horizontal chord members 11 and 12 and the inner longitudinal and horizontal chord members 13 and 14 is 75 mm, the thickness of the foamed plastic board 2 is 40 mm, and the foamed plastic board 2
The distance between the inner surface 22 and the inner vertical and horizontal chord members 13, 14 is 20 mm, and the chord members 11, 12, 13, 14 and diagonal members 15 are made of steel wire with a circular cross section of 2.61 mm in diameter. However, these dimensions can be freely set to other different dimensions as required.

FIG. 2 is a sectional view showing the composite panel 1 used to form a space 3 for wall concrete pouring. A wall concrete placement space 3 with a predetermined wall thickness is formed between the plate 4 and the wall concrete. Shoring material 6
．． 7.8.9 Fill the concrete inside while preventing deformation and collapse. After the concrete has hardened, the insulation concrete wall is constructed by removing the construction materials 6.7 and 8.9 and the inner formwork board 4.

FIG. 3 is a perspective view showing a part of an insulating concrete wall according to the present invention, in which the inner chord members 13, 14 of the composite panel are cast into the concrete wall 10, and the insulating material 2 is tightly attached to the surface of the concrete wall 10. The outer chord members 11, 12 are welded to the diagonal member 15 and exposed to the outside, and serve to prevent the finished mortar from separating and cracking.

Figure 4 is a cross-sectional view showing a state in which the composite panel is used to form a part of the space for concrete pouring in order to create reinforced concrete beams and deck slabs. 11. Apply shoring (not shown) to the bottom of 12 to maintain its position and prevent deformation, and then incorporate the main reinforcement 35, cost reinforcement 36, and slab reinforcement 45 of the beam. are assembled against the inner chords 13, 14 of the composite panel 1. When concrete is poured in this way, concrete is also filled between the reinforcing bars 35 and 45 and the insulation material 2, creating beams and slabs of reinforced concrete structure in which the reinforcing bars are covered with concrete without using spacers. . Also, according to this method,
There is no need to remove the formwork, and the trouble of pasting insulation material can also be omitted.

FIG. 5 shows that in order to construct a reinforced concrete column by the method of the present invention using the composite panel, the composite panel I is assembled into a box shape, and the column reinforcing bars are placed in contact with the inner side of the composite panel I.
FIG. 2 is a cross-sectional view showing a state where 0 is incorporated. In this case, the reinforcing bars of the reinforced concrete columns are tied together to the inner chord members of the composite panel.

If there is no need to use insulating concrete for walls, beams, or columns, a three-dimensional truss can be created on the surface by using iron plates, plastic plates, boards, fine wire mesh, plywood, etc. instead of insulation material 2. It is possible to create a concrete structural frame with a three-dimensional truss. In this case, the diagonal member 15 may be provided with a bent portion to stop the form plate from moving, a collar may be attached, or a wire wire may be welded.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing the composite panel l, Fig. 2 is an rIR view showing a state in which a concrete casting space for a wall has been formed,
3rd rf! J is a perspective view showing a part of the wall of the insulating concrete structure frame with three-dimensional trusses according to the present invention, FIG. 4 is a cross-sectional view when beams and slabs are constructed by the method of the present invention, and FIG. FIG. 3 is a cross-sectional view of the structure created by the method of the invention. 1-----1 composite panel, 2-----Gosho heating material 3--
--- Concrete placement space 10 --- Concrete

Claims (1)

[Claims] 1. A part of a three-dimensional truss formed in a plate shape is embedded in the surface of concrete, and a heat insulating material formed in a plate shape is brought into close contact with the surface of the concrete within the three-dimensional truss. Insulated concrete with three-dimensional trusses. 2. Concrete is poured into a concrete casting space using a composite panel formed by forming a three-dimensional truss into a plate shape and a heat insulating material formed into a plate shape within the three-dimensional truss as a weir plate, and pouring concrete into the concrete casting space. A method for creating insulating concrete with a three-dimensional truss, characterized by integrally forming concrete and concrete.