Plate foundation

Abstract

To provide a plate foundation which is easy to carry, which can secure high quality and safety of work, which is low at cost, and which can give high stability to a workpiece of an upper structure and the like.SOLUTION: A plate foundation 100 includes: a body of a concrete block; an insert 120 embedded in the body; and a connection part 130 installed at a side edge part of the body. In the plate foundation, an upper structure is fixed to the body by the joint of the insert and a bolt fastened to the insert, and the plate foundation is connected with a plurality of other flat foundations by the connection part.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a flat plate foundation used for constructing structures such as tents and buildings, and more particularly to a flat plate foundation in which an insert is embedded in advance in the main body of the flat plate foundation. [Background technology]

[0002] In the construction of structures such as tents and buildings (hereinafter referred to as "structures, etc."), a construction method ("column anchor bolt processing method") has traditionally been used in which anchor bolts are welded to the steel plates of the pillars and superstructures that are laid out in a layout on site.

[0003] However, welding of anchor bolts to steel plates in this construction method has been pointed out as a problem in terms of the stability of the completed structure and building.

[0004] Furthermore, this method requires that the anchor bolts be welded to the steel plate on-site, which has raised concerns about costs, quality assurance, and work safety.

[0005] Under the circumstances described above, a construction method that would solve the problems of the conventional construction methods was considered to be an issue, but no such construction method existed (see Patent Document 1). [Prior art documents] [Patent documents]

[0006] Patent Publication No. 2008-038572 Summary of the Invention [Problem to be solved by the invention]

[0007] The development of a new construction method that would solve the problems with the construction methods used to construct structures such as those described above was considered an issue.

[0008] As a result of various efforts and investigations, the inventors have developed a flat plate foundation that enables a construction method that can solve the above-mentioned problems.

[0009] Therefore, the object of the present invention is to provide a flat plate foundation that is easy to transport, ensures high quality and work safety, is low cost, and can provide high stability to superstructure structures, etc. [Means for solving the problem]

[0010] That is, the present invention is as follows. [1] A slab foundation having a concrete block body, an insert embedded in the body, and a connecting portion installed on the edge of the body, The upper structure is fixed to the main body by joining the insert and the bolt fastened to the insert, The flat plate foundation is connected to a plurality of other flat plate foundations by the connecting portion. Slab foundation. [2] The slab foundation of [1], wherein the insert having the reinforcing bars inserted therein is embedded within the main body. [3] The flat plate foundation of [1] or [2] having 4 to 10 of the inserts per body. [4] The flat plate foundation according to any one of [1] to [3], wherein the connecting portions are installed on the edge portions of two to four sides of the main body. [5] [4] A slab foundation in which 1 to 3 connecting portions are installed per edge portion. [6] The flat plate foundation according to any one of [1] to [5], wherein the main body has reinforcing bars embedded inside the main body. [7] The flat plate foundation according to any one of [1] to [6], wherein the plane of the main body is rectangular or square. [8] A flat plate foundation in which the steel plate that is part of the superstructure is either a top-mounted type in which it is placed on the top surface of the main body, or a buried type in which it is buried in the main body. [9] A process of preparing a formwork for producing the body of the concrete block of the slab foundation; a step of placing reinforcing bars and connecting fittings within the formwork; pouring concrete into the formwork to form the body; A step of removing the formwork from the formed body to form a slab foundation; and a step of curing the prepared slab foundation to complete the slab foundation; A method for manufacturing a flat plate foundation according to any one of [1] to [8], including: [Effects of the Invention]

[0011] According to the present invention, it is possible to provide a flat plate foundation that is easy to transport, ensures high quality and work safety, is low cost, and can provide high stability to superstructure structures, etc. [Brief explanation of the drawings]

[0012] [Figure 1] 1 is a diagram showing the appearance of one form of a flat plate foundation according to an embodiment of the present invention. FIG. [Figure 2] 1 is a diagram showing the internal structure of one form of a flat plate foundation according to an embodiment of the present invention. FIG. [Figure 3] 1 is a diagram showing a cross section of one form of a slab foundation according to an embodiment of the present invention. [Figure 4] 1 is a diagram showing one form of a cross section of a reinforcing bar arrangement in a flat plate foundation according to an embodiment of the present invention. FIG. [Figure 5] 1 is a diagram showing one form of an insert in a slab foundation according to an embodiment of the present invention. FIG. [Figure 6] 1 is a diagram showing one form of a connecting portion in a flat plate foundation according to an embodiment of the present invention. FIG. [Figure 7] 1 is a diagram showing an outline of one form of a flat plate foundation (square) according to an embodiment of the present invention. FIG. [Figure 8] 1 is a diagram showing an outline of one form of a flat plate foundation (rectangular) according to an embodiment of the present invention. FIG. [Figure 9]1A and 1B are diagrams showing the contact forms (mounted type and buried type) of a flat plate foundation with a part (steel plate) of a superstructure according to an embodiment of the present invention. [Figure 10] 1 is a diagram showing one form of joining between a slab foundation and a superstructure according to an embodiment of the present invention. FIG. [Figure 11] 1 is a diagram showing an overview of one form of connection of multiple flat plate foundations according to an embodiment of the present invention. FIG. [Figure 12] 1 is a diagram showing an overview of one form of connection of multiple flat plate foundations according to an embodiment of the present invention. FIG. [Figure 13] FIG. 1 is a diagram showing a flow diagram of one embodiment of a method for manufacturing a slab foundation according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0013] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0014] (Slab foundation according to the present invention) As shown in FIG. 1, the first embodiment of the flat plate foundation (100) of the present invention is a flat plate foundation having a concrete block main body (110), an insert (120) embedded in the main body, and connecting portions (130) installed on the edge of the main body, and is characterized in that a superstructure (200), for example, a steel plate (210) that is a part of the superstructure, is fixed to the main body by joining the insert to bolts (140) that fasten the insert, and the connecting portions connect the flat plate foundation to multiple other flat plate foundations. By virtue of the above characteristics, a flat plate foundation is provided which is easy to transport, ensures high quality and work safety, is low cost, and can provide high stability to the superstructure, such as a workpiece.

[0015] In Figure 1, inserts (120) are embedded in four places in the main body (110) of the concrete block in the foreground, and the connecting portions (130) are installed at two places on each edge of three of the four sides of the main body.

[0016] The plate foundation (100) is used as the base of a structure or building (200) and ensures the stability of the structure, etc. The plate foundation provides higher stability to the structure, etc. than structures constructed using conventional column anchor bolt processing methods, and can provide stability to the structure, etc. in accordance with the latest relevant laws and regulations.

[0017] Figure 2 shows the internal structure of the slab foundation 100. As shown in Figure 2, the insert 120 is embedded in the concrete block body 110 of the slab foundation 100. It is preferable that a reinforcing bar 121 is inserted into the insert 120 to prevent the insert from being pulled out of the body 110.

[0018] In Figure 2, inserts (120) are embedded in four locations in the main body (110) of the concrete block, and the connecting portions (130) are installed at two locations on each edge of three of the four sides of the main body. Furthermore, as shown in Figure 3, reinforcing bars (121) are inserted into the four inserts (120). Furthermore, reinforcing bars (150) are embedded and arranged in a lattice pattern inside the main body (110) of the concrete block, ensuring the strength of the main body (110) of the concrete block.

[0019] Figure 4 shows a cross section of the slab foundation (100) along the insert (120). The reinforcing bars (121) are inserted into the insert (120) as shown in Figure 5, and are embedded in the main body (110) together with the insert by pouring concrete. Also, as shown in Figure 4, the reinforcing bars (140) arranged in a lattice are embedded in the main body (110) in layers one and two.

[0020] In order to prevent the insert (120) from being pulled out of the main body (110) and to ensure the stability of the insert (120), it is preferable that the length of the insert bar (121) is 20 times or more the diameter of the reinforcing bar of the insert bar.

[0021] It is preferable that 4 to 10 inserts 120 are installed per body 110 in order to ensure the stability of the workpieces of the superstructure 200. Furthermore, it is preferable that 4 inserts 120 are installed per body 110 in terms of cost and efficiency of on-site work.

[0022] FIG. 5 shows an example of the insert (120) and the insert (120) with a piercing bar (121) inserted therethrough.

[0023] The connecting portions 130 are provided on two, three, or four edges of the concrete block body 110 of the slab foundation 100. The number of sides on which the connecting portions 130 are provided may vary depending on the positional relationship with other slab foundations 100 or the required strength of the connection with other slab foundations 100.

[0024] As described above, in FIGS. 1 and 2, the connecting portions (130) are provided at two locations on each edge of three of the four sides of the main body (110).

[0025] 6 shows an example of the connecting portion 130, showing two such connecting portions connected together. By connecting the connecting portion 130 to the connecting portion 130 of another flat plate foundation 100, multiple flat plate foundations 100 according to the present invention can be connected and fixed together.

[0026] The flat plate foundation (100) according to the present invention can be of various shapes, but generally, the square flat plate foundations (101 and 102) shown in FIG. 7 and the rectangular flat plate foundations (101 and 102) shown in FIG. 8 can be used.

[0027] Figure 7 shows the square-shaped slab foundation (101). The inserts (120) are embedded in four locations on the main body (110) of the slab foundation, and two connecting portions (130) are installed on each of the four edges. Bolts (140) are fastened to the inserts to secure the steel plate (210), which is part of the superstructure (200). Four drainage holes (160) may be installed around the steel plate of the main body (not shown).

[0028] Figure 8 shows the rectangular slab foundation (102). The inserts (120) are embedded in four locations on the main body (110) of the slab foundation, and the connecting portions (130) are installed at two locations on each of the four edges, and four locations on the other edge. Bolts (140) can be fastened to the inserts to secure the steel plate (210), which is part of the superstructure (200). Four drainage holes (160) can be installed around the steel plate of the main body (not shown).

[0029] The flat plate foundation (100) according to the present invention, which comes into contact with the iron plate (210) that is part of the superstructure (200), can have various configurations. As shown in Figure 9, the configurations include a top-mounted type (a) and an embedded type (b) for the iron plate. In the top-mounted type (a), the iron plate (210) is placed directly on the top surface of the flat plate foundation, while in the embedded type (b), the iron plate (210) is installed in a recess in the flat plate foundation.

[0030] 10 shows the superstructure (200) being connected and fixed to the flat plate foundation (100) of the present invention. That is, the steel plate (210) which is part of the superstructure (200) is fixed to the flat plate foundation (100) of the present invention by the bolts (140) fastened to the inserts (120).

[0031] Figures 11 and 12 show examples of combining and connecting multiple flat plate foundations (100) according to the present invention. In Figure 11, six square flat plate foundations (101) are combined with ten rectangular flat plate foundations (102) and flat plate foundations of other shapes. In Figure 12, six square flat plate foundations (101) are combined with ten rectangular flat plate foundations (102).

[0032] (Method for manufacturing a flat plate foundation according to the present invention) A second aspect of the present invention is a method for fabricating a plate foundation according to the present invention. As shown in Figure 13, this method includes the steps of: preparing a formwork for fabricating the concrete block body of the plate foundation (S1); installing mesh reinforcing bars and connecting hardware within the formwork (S2); pouring concrete into the formwork to form the body (S3); removing the formwork from the formed body to fabricate a plate foundation (S4); and curing the fabricated plate foundation to complete the plate foundation (S5). This method can provide a plate foundation (100) according to the present invention. [Example]

[0033] The present invention will be described below based on examples, but the present invention is not limited to the following examples.

[0034] Example 1: Preparation of the flat plate foundation (100) according to the present invention (Formwork preparation: S1) Before pouring the concrete, formwork (steel formwork) was installed along the perimeter of the foundation, based on the center line or plumbing line drawn on the concrete.

[0035] (Installation of rebar and metal fittings: S2) Four inserts (O-insert M20 manufactured by Japan Life Co., Ltd.), six connecting fittings (Joint Cup M16 manufactured by Tokunaga Co., Ltd., high tension bolts manufactured by Teikoku Seisakusho Co., Ltd.), and reinforcing bars (JIS SD295 D1) were placed in the prepared formwork.

[0036] (Pouring concrete: S3) Acceptance inspection of concrete (ready mixed concrete) was carried out. The design strength of concrete is usually 21KN / cm 3 The concrete was poured. The poured concrete was compacted with a vibrator. After that, the surface of the poured concrete was smoothed (leveling work).

[0037] (Removal of formwork: S4) The formwork was removed from the formed main body to produce a flat plate foundation.

[0038] After demolding, the mold is cured and dried. At this time, the insert (110) is installed and fixed to the rebar with binding wire.

[0039] Although the present invention has been described above using embodiments, it goes without saying that the technical scope of the present invention is not limited to the scope described in the above embodiments. It will be apparent to those skilled in the art that various modifications and improvements can be made to the above embodiments. Furthermore, it is clear from the claims that such modifications and improvements can also be included within the technical scope of the present invention. [Explanation of symbols]

[0040] 100 Plate foundation 101 Plate foundation (square) 102 Plate foundation (rectangular) 110 Concrete block body 120 inserts 121 Insertion 130 Connection section 140 volts 150 rebar 160 drain hole 200 Superstructure (structure or building) 210 Superstructure (steel plate)

Claims

1. A slab foundation having a concrete block body, an insert embedded in the body, and a connecting portion installed on the edge of the body, The upper structure is fixed to the main body by joining the insert and the bolt fastened to the insert, The flat plate foundation is connected to a plurality of other flat plate foundations by the connecting portion. Slab foundation.

2. The slab foundation of claim 1 , wherein the insert having a reinforcing bar inserted therein is embedded within the body.

3. The slab foundation of claim 1 or 2, wherein each body has 4 to 10 inserts.

4. The slab foundation according to any one of claims 1 to 3, wherein the connecting portions are installed on the peripheral edges of two to four sides of the main body.

5. The slab foundation according to claim 4, wherein one to three of the connecting portions are installed per one of the edge portions.

6. The slab foundation according to any one of claims 1 to 5, wherein the body has reinforcing bars embedded inside the body.

7. The flat plate foundation according to any one of claims 1 to 6, wherein the plane of the body is rectangular or square in shape.

8. The flat plate foundation according to any one of claims 1 to 7, wherein the iron plate that is part of the superstructure is a top-mounted type that is placed on the top surface of the main body, or a buried type that is buried in the main body.

9. A process of preparing a formwork for producing the body of the concrete block of the slab foundation; a step of placing reinforcing bars and connecting fittings within the formwork; pouring concrete into the formwork to form the body; A step of removing the formwork from the formed body to produce a slab foundation; and a step of curing the prepared slab foundation to complete the slab foundation; The method for manufacturing a slab foundation according to any one of claims 1 to 8, comprising:

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