JPH04102626A - Construction method for foundation structure - Google Patents

Abstract

PURPOSE:To reduce works by skilled workers at the work site such as form works, concrete placing, adjustment of the upper bed by plasterers and the like by arranging the several kinds of foundation units formed into specified shapes over concrete subslab to make strip footing. CONSTITUTION:Setting plates 70 are set first over concrete subslab 60 placed on rubbles, gravels and the like while being aligned with the set up positions of respective foundation units, all of the plates are made same in level, they are then fixed by nailing thereafter. In the second place, respective basic units 11, 12,... are set up over the respective plates in order, the opposite faces of the respective units are brought face to face with one another. Following which, connecting fittings and the like are driven into each joining body provided for respective connecting end sections so that strip footing is thereby constructed in order. After the aforesaid works are over, concrete is filled back to fix the strip footing, over which a moisture proof sheet is laid, furthermore, earth floor panels are closely set, and posts and anchors bolts are added as required, so that the whole of the foundation is thereby completed.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method for forming a foundation structure, and more particularly to a method for forming a foundation structure that can easily and quickly form a cloth foundation.

[Conventional technology]

The conventional method of forming a foundation structure, especially a light foundation structure such as a wooden house, is to set a ground rope in the planned plot, cut the roots, lay chestnuts, gravel, etc., and then add waste concrete. After placing the concrete, reinforcing bars and formwork are installed, and Kunkrete is placed inside the formwork to form a cloth foundation.

Another method is to connect foundation units for cloth foundations that have been manufactured in advance at a factory to each other using reinforcing bars from each, and then backfill the relevant parts with concrete to form a cloth foundation. .

[Problem to be solved by the invention]

However, the conventional method of forming foundation structures in the former type involves assembling the formwork for the cloth foundation, pouring concrete, etc., all on site, and requires skill in each task, which is currently becoming more and more serious. Plastering cannot cope with a certain shortage of skilled workers, requires curing, etc., and the height of the roof of the foundation is not constant, and the height of the roof is fixed by applying cement. There were issues such as the need for skilled work.

In addition, in the conventional method of forming the latter foundation structure, the foundation unit is manufactured in a factory, so there is less work on site.
Although the degree of dependence on the weather is reduced, it requires skill in connection work such as positioning between foundation units, and it is necessary to backfill the joints with concrete to obtain the strength of the foundation units. There were problems such as the height of the ceiling was not constant and required skilled work such as plastering similar to the former.

Therefore, an object of the present invention is to create a foundation structure that can easily and quickly form a cloth foundation without the need for formwork assembly, concrete pouring, or ceiling level adjustment, which requires skill. The object of the present invention is to provide a forming method.

[Means to solve the problem]

In the present invention, a plurality of types of foundation units for cloth foundations formed in a predetermined shape are arranged at a predetermined position after pouring concrete, and the connected end surfaces of these foundation units are brought into contact with each other to form each foundation unit. A method for forming a foundation structure in which a plurality of setting plates of different thicknesses are arranged at the positions where each of the above-mentioned foundation units is installed, and the surface of each is A leveling process of adjusting to the same height; and a unit connecting process of arranging each basic unit on the setting plate adjusted to the same height by the leveling process and connecting each of these basic units with a connecting tool. The above object has been achieved by providing a method for forming a basic structure, which is characterized by comprising at least the following.

[Effect]

According to the present invention, a plurality of types of setting plates with different thicknesses are arranged at the positions where each foundation unit is installed on the concrete, and after adjusting the surfaces of each to the same height, these setting plates are A cloth foundation having a constant height can be formed simply by arranging each foundation unit on a setting plate and then connecting each of these foundation units with a connector.

〔Example〕

The present invention will be explained below based on the embodiments shown in FIGS. 1 to 11. In each figure, FIG. 1 is a perspective view showing a foundation structure formed by implementation B, which is preferable for the method of forming a foundation structure of the present invention, and FIG. Perspective view showing one of the basic units of
The figure is a partial perspective view showing an enlarged connection end face of the basic unit shown in FIG. 2, FIG. A perspective view showing a second joined body that is paired with the first joined body shown in the figure.
A perspective view showing a connector that connects the first joint body shown in the figure and the second joint body shown in FIG. 5, and FIG. 7 shows a state in which the first joint body and the second joint body are connected by the connector. 8, 9, 10 and 11 respectively show the state of the substructure at the main steps of a preferred embodiment of the method for forming a substructure of the present invention. FIG.

First, a basic structure formed by a preferred embodiment of the basic structure forming method of the present invention will be described.

As shown in Figure 1, this one foundation structure has 10 cloth foundations and 1ifi city water! It is comprised of bundles 20 disposed at required locations inside the wall 10, and earthen floor panels 30 laid on the earthen floor. Incidentally, 40 is a member for dividing the construction area of a house or the like, and consists of a drain 41 and a wooden stake 42.

The above-mentioned cloth foundation 10 is constructed by discarding a plurality of types of foundation units 11, 12, 13, . The base units 11, 12, 13, . . . are formed by connecting the connecting end surfaces of the foundation units 11, 12, 13, . Various basic units mentioned above 11.1
2.13,... is shown in Fig. 2. The basic unit 11 shown in Fig. 2 is formed into an L-shape, but there are other types of I-shape basic units. , T
There is a type basic unit 13, etc.

Next, the configuration of the basic unit will be described in detail using the basic unit 11 shown in FIG. 2 as an example.

As described above, the basic unit 11 is formed in an L shape,
A foundation unit located at the corner of the cloth foundation IO, with a T-shaped foundation unit 12.1 on the connecting end surfaces 11A and IIA.
The two connecting end surfaces 11 and 12 are formed so as to abut each other, and in the abutted state, these two parts 11 and 12 are connected. Two first joined bodies 5I forming a connecting tool 50, which will be described later, are fixed to the connecting end surface 11A. One first joint 51 has a connecting end surface 11 of its basic unit 11,
The other first joined body 51 is fixedly installed in a groove 11B formed in the vertical portion of the connecting end face 11A in an inclined manner. Since both of these lateral joints 51.51 are the same, the first joint 51 at the vertical part of the connecting end surface 11A is shown in FIG.
An explanation will be given based on FIG.

The first joined body 51 is a columnar member formed in a substantially C-shape in plan view, and has a pair of left and right joint surfaces 51A, 51A having uneven surfaces on the opening side of the C-shape. body 5
It is formed so as to mesh with the uneven surface of the second joined body 52, which has a reverse relationship with the uneven surface of the second joint body 52. The side surfaces of each uneven surface are formed as inclined surfaces that guide the opposing uneven surface so that they can easily engage with each other. Further, the back side (hollow part 51B side) of each of the joint surfaces 51A and 51A of the first joined body 51 is formed as an inclined surface 51C151C, and these sloped surfaces 51C251C become thicker on the joint surfaces 51A and 51A as they go downward. The thickness gradually decreases.

Further, the flat surface 5 on the back side (hollow part 52B side) of the bonding surfaces 52A, 52A of the second bonded body 52 that forms a pair with the first bonded body 51
2C552C is also inclined in the same way as the first joined body 51, and in a state where both of them 51.52 are joined, the above-mentioned both-hand flat surfaces 51C
152C are in a relationship such that they gradually become more distant from each other as they go downward.

Further, a plurality of protrusions are formed on the outer circumferential surface of both lateral combinations 51 and 52, and these protrusions are embedded within the base unit 11 to prevent positional shift in the base unit 11. Further, the first joined body 51 has a hole (not shown) similar to the hole 52C formed on the back surface of the second joined body 52 shown in FIG. The reinforcing bars that constitute the unit 11 penetrate and are fixed to the foundation unit 11.

On the other hand, as shown in FIG. 6, the connector 53 connecting the two horizontal joints 51.52 has a substantially I-shape when viewed from the front, and the opposing flange portions 53A, 53A are connected to the horizontal joints 51.5.
By fitting into the hollow portions 51B and 52B of 2, these lateral joints 51 and 52 are connected to the respective joint surfaces 5.
1A and 52A are connected in close contact with each other as shown in FIG. 7. That is, each of the opposing surfaces of the opposing flange portions 53A, 53A is the inclined surface 53.
A6.53A, and these both width slopes 53
A, , 53A are in a relationship that they are spaced apart from each other as they go downward.

Therefore, after the connecting end surface 11A of the foundation unit 11 is roughly aligned with the connecting end surface of the other foundation unit 12, each flange portion 53A, 53A of the connector 53 is connected to the first
Each hollow part 51C152 of the joined body 51 and the second joined body 52
By simply inserting the connectors 53 into both lateral joints 51.52 in accordance with C, both base units +1.12 can be easily and quickly connected with their respective connecting end surfaces brought into close contact.

Next, a preferred embodiment of the method for forming a basic structure of the present invention will be described with reference to FIGS. 8 to 11.

In this embodiment, a plurality of types of foundation units 11, 12, 13, . This is a method of forming a foundation structure in which the connecting end surfaces of the foundation units 11, 12, 13, and so on are brought into contact with each other to form a cloth foundation. Furthermore, this embodiment provides each of the above basic units 11.12.13.
. . . is arranged at the position where the setting plates 70 of different thicknesses are arranged, and the surfaces of each setting plate 70 are adjusted to the same height to make the level. Each of the basic units 11, 12, 13... is arranged on the setting plate 70 whose height is adjusted, and each of these basic units) 11, 12, 13...
- are connected by the connecting tool 50 (unit connection process)
It is done by

First, before the above-mentioned leveling process and unit connection process, a ground weave is laid in the area where the building is to be constructed, drains 41 and wooden stakes 42 are erected, roots are cut, and then chestnuts, gravel, etc. are laid. These are then tightened and hardened, and then concrete 6
0 as shown in Figure 8.

When pouring the sacrificial concrete 60, after pouring the concrete, the surface of the sacrificial concrete 60 is leveled using a metal trowel with a level (not shown). After the waste concrete 60 leveled almost horizontally in this way dries, setting plates 70 of different thicknesses are placed in accordance with the positions where the plurality of types of foundation units 11, 12, 13, . . . are to be installed. These setting plates 70 are arranged as shown in FIG. 9 (see FIG. 9), respectively.
It is a rectangular plate made of high-density polyethylene.
These usually range from 1anJi-sa to III
There are 10 types available, up to 10 mm thick. When installing these setting plates 70, the basic units 11, 12, 13, . . .
While measuring the height of the waste concrete U-) 60 at the joint part of the setting plate 70 with a different thickness according to each height.
Place any of the setting plates 70
After making the heights the same, each setting plate 70 is installed by driving a nail through a pre-drilled nail hole and fixing each setting plate 70 on the concrete 60. Of course, L-shaped basic unit 1
1, a setting plate 70 is placed at the corner so that it is at the same height as all other setting plates 70.

After arranging the setting plate 70 as described above, each of the foundation units 11, 12, 13, . At this time, for example, each connecting end surface (not shown) of the I-shaped foundation unit 12.12 is brought into contact with each connecting end surface 11A, 11A of the L-shaped foundation unit 11 located at the corner. Then, each first zygote 51.52
The flange portions 53A and 53A of the connector 53 are aligned with the hollow portion 5 ], B and 51B, and the connector 53 is driven in. As the connector 53 is driven deeper, both lateral joints 51 and 52 gradually approach each other. each joint surface 51A
, 52A are engaged with each other and the connector 53 is completely driven in, the joint surface 5 of both lateral joints 51, 52
1A and 52A are brought into close contact with each other, and at the same time, the connecting end surfaces of both foundation units 11 and 12 are brought into complete contact with each other to connect both foundation units 11 and 12. The connector 53
For driving, a special tool consisting of a pressure machine driven by pneumatic pressure, hydraulic pressure, etc. exclusively for driving is used. For example, a special tool driven by pneumatic pressure has a drive body driven by compressed air, The connector 53 is driven by driving this driver. By using such a special tool, the pressure when driving the connector 53 can be kept constant, and the worker's trajectory is not required for such work.

This series of connection work is performed on each basic unit 11.12.
．． 13, . . . , and the cloth foundations are successively formed as shown in No. 101ffl.

When the connection of the cloth foundation 10 is completed as described above, it is left in place and then backfilled with concrete, this concrete is dried, and the cloth foundation IO is fixed. After that, a moisture-proof sheet is laid on this concrete in the same way as before.
Furthermore, dirt floor panels 100 are laid. These dirt floor panels 100 are approximately rectangular panels as shown in FIG.
These include approximately rectangular panels in which only the portion where the bundle 20 (see Figure 1) will be erected is cut out; for example, all the panels 100 are formed to have a thickness of 60 mm. It is something. By laying such a dirt floor panel 100, the conventional moisture-proof mortar construction can be performed using a dry method. After all of these earth floor panels 100 are laid, recesses 100A for erecting bundles 20 are formed at required locations, and each bundle 20 is erected in each recess as shown in FIG. , At this time, anchor bolts 120 are also provided in each of the foundation units 11, 12, 13, . . . to complete the formation of the foundation structure. In addition, the above bundle 20
A metal fitting for fixing a large pulley (not shown) is attached to the upper part of the holder. After completing the formation of the foundation structure in this way, the building will be installed in sequence.

As explained above, according to one embodiment of the method for forming a basic structure of the present invention, the basic units 11, 12, 13,...
By simply placing a setting plate 70 corresponding to the height of the concrete 60 on which the cloth curtain 10 is placed, the height of the cloth curtain [10] can be precisely adjusted to the same height.
There is no need to apply cement to the top of the cloth foundation 10 as in the past, and the foundation units 11, 12, 13,...
- are all manufactured in a factory, and the fabric foundation 10 can be formed at the construction site by simply connecting them with the connectors 50. Therefore, this series of operations does not require any skill, but rather can be done by skilled workers by using special tools. You can proceed with your work easily and quickly without having to rely on it. In addition, as mentioned above, a considerable part of the series of operations is carried out using dry methods, so that the operations are less dependent on the weather and can be carried out more efficiently.

The setting plate of the present invention is not limited to the material made of high-density polyethylene as in the above embodiments, but may be made of any dimensionally stable material. It is not limited to the form as long as it has a form that can be fixed to the connecting end surface of each basic unit and that each connecting end surface can be self-attached.

Further, the method for forming a basic structure of the present invention includes at least a leveling step and a unit connecting step, and other appropriate steps can be added as necessary.

[Effects of the Invention] According to the method for forming a foundation structure of the present invention, the fabric foundation can be easily and quickly assembled without the need for formwork assembly, concrete pouring work, or ceiling level adjustment that requires skill. can be formed.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing a basic structure formed by a preferred embodiment of the method for forming a basic structure of the present invention;
21 is a perspective view showing one of the foundation units for the cloth foundation in the foundation structure shown in Part 1, FIG. 3 is a partial perspective view showing an enlarged connection end surface of the foundation unit shown in FIG. 2, and FIG. 5 is a perspective view showing a first joined body forming the connector shown in FIG. 3, FIG. 5 is a perspective view showing a second joined body forming a pair with the first joined body shown in FIG. 4, and FIG. FIG. 7 is a perspective view showing a connector connecting the first joint body shown in FIG. 4 and the second joint body shown in FIG. 5, and FIG. FIG. 8, FIG. 9, FIG. 10, and FIG. 11 are perspective views showing the connector in a state where the foundation structure is in a state at the main steps of a preferred embodiment of the method for forming a foundation structure of the present invention, respectively. FIG. 10; Cloth foundation 11; Foundation unit 11A, connection end face 50; Connector 60; Concrete in one building 70; Se, Ting plate Figure 3 Figure 6 Figure 9 Procedural amendments Toshi Ue Matsu, Commissioner of the Patent Office 1, Incident Indication of Japanese Patent Application No. 1-218331 No. 2, Name of the invention Method for forming the basic structure 3, Relationship with the case of the person making the amendment Patent applicant Sumitomo Forestry Co., Ltd. 4 Agent 15-16 Minami Aoyama-chome, Minato-ku, Tokyo Voluntary amendment to the 8th floor of Yamashiro Building (amendment made within 1 year and 3 months from the date of application). 6. Column 7 of Detailed Description of the Invention in the Specification Subject to Amendment, Contents of Amendment (1) "To the basic unit" in lines 2-3 of page 7 is amended to "basic unit 12." (2) "By fixing" on page 12, line 19 was corrected to "by fixing." (3) After "after" on page 13, line 5, there is a step created between the setting plate 70.70 and the concrete 60 by replenishing mortar between the setting plates 70.70. Supplemented by mortar, then joined by j. (4) On page 14, lines 1 and 2, "connector 53" was corrected to "connector 53". (6) On page 18, line 2, "by the connector" was corrected to "by the connector."that's all

Claims (1)

[Scope of Claims] A plurality of types of foundation units for cloth foundations formed into predetermined shapes are placed at a predetermined position after pouring concrete, and the connecting end surfaces of these foundation units are abutted against each other. A method for forming a foundation structure in which a foundation unit is installed in series to form a cloth foundation, wherein multiple types of setting plates with different thicknesses are placed at the positions where each of the foundation units are installed, and each surface is a leveling process in which the base units are adjusted to the same height; and a unit connection process in which each base unit is placed on the setting plate that has been adjusted to the same height in the leveling process, and each of these base units is connected by a connector. A method for forming a foundation structure, comprising at least the following.