JP2021172976A - Floor substrate panel, floor substrate structure and construction method thereof - Google Patents

Abstract

To provide a floor substrate panel simplified in manufacturing and saved in weight, and a floor substrate structure reduced in deflection amount of a floor surface.SOLUTION: The body part 10 of a floor substrate panel 2 has a roughly quadrilateral shape in plan view, a connection plate material 11 is provided for placing and fixing one side edge part of another floor substrate panel 2 adjacent to a rear face of the one side edge part, and a deflection controlling plate material 12 is provided at a roughly central part of the rear face of the panel 2, roughly in parallel to the connection plate material 11. The deflection control plate material 12 has, at a tip thereof, an extended part 12d extended outward from a side edge of the body part 10 of the panel, the extended part 12d is arranged on the side edge part rear face of the adjacent other floor substrate panel 2, and is fixed to be positioned at a base end side of the deflection controlling plate material 12 provided on the rear face of the other floor substrate panel 2. Thus, the deflection controlling plate materials 12 of the longitudinally and horizontally laid floor substrate panel 2, are aligned in a row in the longitudinal direction or lateral direction, and the rows are juxtaposed in multiple rows.SELECTED DRAWING: Figure 2

Description

The present invention relates to a floor base panel used for a floor base structure of a detached house or a double floor structure of a multi-story building, a floor base structure using the floor base panel, and a construction method of the floor base structure. ..

Examples of the conventional floor base panel, floor base structure, and construction method thereof include those described in the following Patent Document 1 previously proposed by the applicant of the present application.
In the floor structure of a detached house by the conventional construction method, a large pull is arranged between the foundations arranged on the cloth foundation and appropriately supported by a steel bundle, and reinforcing beams are appropriately spaced between the large pulls. After that, a heat insulating material is arranged in the space between the large pull and the reinforcing beam, and then a floor base material made of structural plywood is arranged on the large pull and the reinforcing beam to form the floor base. Was done.

Therefore, there is a problem that the floor structure of a detached house by the conventional construction method is complicated, the construction is complicated, and the construction period is long.
Further, in the conventional construction method, since the back surface of the floor is uneven, the ventilation is not good, and there is a possibility that the ventilation under the floor is not sufficiently performed.
Further, since the heat insulating performance of the large pull and the reinforcing beam is inferior to the heat insulating performance of the heat insulating material, there is also a problem that the heat insulating performance of the floor base is poor.

In order to solve the above problems, the invention described in Patent Document 1 below has been proposed. The structure is simplified to facilitate construction, sufficient ventilation under the floor, and improved heat insulation performance. The purpose was to provide a floor structure and its construction method.

The structure of the floor structure is a floor base structure formed by laying down floor base panels, the floor base panel, a base side receiving member provided on the base for receiving the side edges of the floor base panel, and the floor. The floor panel comprises a first panel, a second panel, a third panel, and a fourth panel, comprising a steel bundle that receives the corners of the panel, the first panel having two sides on one side. It has a mounting portion formed on the side and mounted on another panel or a base side receiving member, and a mounting portion formed on the other two side side on which the other panel is mounted. The intersection with the other panel is supported by the steel bundle, and the second panel has a mounting portion formed on one side and a mounting portion formed on the remaining side. The third panel has a mounting portion formed on the side orthogonal to the side on which the mounting portion of the second panel is formed, and a mounting portion formed on the remaining side side. The fourth panel is a first-floor floor structure for a wooden house having mounting portions formed on each side, and each floor panel is made of a substantially square floor base plate material, and the mounting portion is It is composed of a rectangular plate-shaped connecting plate material with a predetermined width, and by joining a part of the wide surface of this connecting plate material to the back surface of the side edge portion of the floor base plate material, the other wide surface portion of the connecting plate material becomes the floor base plate material. A mounting portion is formed extending laterally from the back surface, and a reinforcing plate material is provided at the substantially central portion of the back surface of the floor base plate material substantially parallel to one side thereof, and the reinforcing plate material is in the shape of a rectangular plate having a predetermined width. The wide surface of the reinforcing plate material is joined to a portion of the floor base plate material other than the mounting portion and the connecting plate material constituting the mounting portion, and the reinforcing plate material has substantially the same thickness as the connecting plate material. In addition, the reinforcing plates are aligned in the same direction on each of the floor panels, and the aligned reinforcing plates are arranged substantially in parallel, and the connecting plate and the reinforcing plate are joined by screwing and bonding with an adhesive. It is a floor structure characterized by being made in combination.

Japanese Unexamined Patent Publication No. 2009-2499797

The conventional floor structure described in Patent Document 1 has been developed mainly for detached houses and apartments, but has been requested to be further improved in response to a request for expansion of applications thereafter.
Specifically, in the Building Standards Law, the floor slab calculation (design) standard is indicated for each use (room name), and the minimum is 980 N / m ² and the maximum is 11,800 N / m ² . Within that range, the construction examples that are often used in the market are judged to be in the class of ^{1,800 N / m 2 to} 4,900 N / m ^2.

There, regarding general houses and apartments, the gist is that "at least 1,800 N / m ² should be protected, and the designer should decide the margin beyond that, so it should be decided between the parties." There is.

More specifically, the above margin (plus α part) is called the "load during construction", and in particular, how to estimate the load applied when taking in rain-wet prohibited building materials such as gypsum board indoors. Ka is the center.
At present, there are many opinions that a total of approximately 2,500 N / m ^{2 to} 2,800 N / m ^{2 will be required in anticipation of the "safety zone".}

^{The above items are 1,800 N / m 2} (plus designer) for the floors of buildings in SRC buildings, etc., where there is little risk of temporary storage of building materials or concerns about rain, that is, condominium floors, etc. Judgment) can be dealt with.
In this respect, the floors of ordinary houses and apartments are a factor of excessive quality and cost increase.

Therefore, at present, there is a demand for better handling and more economical products by removing excess quality.
On the other hand, for floors with a construction load of 3,000 N / m ² or more, the 3,500 N / m ² class corresponds to theaters, public halls, gymnasiums, etc., and 3,900 N / m ² is the laboratory, 4,900 N. At / m ² , the computer room, machine room, etc. correspond to this, and there is a need for development that can withstand heavier loads, has excellent workability, and is reasonably economical.
So-called "excessive parts are scraped" and "insufficient parts are supplemented" are required.

As an index showing the strength of the floor, there is basically a "change in the amount of displacement (displacement amount) due to a locally concentrated load", and the floor is related to the "amount of deflection (displacement amount)" with respect to the "load weight". The strength of can be roughly judged.
Considering the strength of the floor base panel or the floor base structure according to the present invention using this method, it is required to be in the range of ^{1,800 N / m 2 to} 2,300 N / m ^{2, and this range is cleared.} The invention of the present application has been completed.

Based on the above situation, in the present invention, the above-mentioned strength range is met, and the above-mentioned conventional construction method is simplified, and the structure of the floor base panel used therefor is simplified and reduced in weight. This is the first issue.
At the same time, it is also an issue that the floor base structure can be applied not only to a detached house but also to a double-floor structure of a multi-story building such as an apartment.
Further, it is also an issue to provide a floor base structure in consideration of a heat insulating effect, a soundproofing / sound insulating effect, etc. on the lower surface of the floor base structure.

In order to solve the above problems, the first object of the present invention is a floor base panel, a receiving member provided on the joist or the base side when receiving the side edge portion of the floor base panel, and a corner of the floor base panel. It is a floor base panel used for a floor base structure formed by laying the floor base panel vertically and horizontally on the joist or the receiving member and the support leg, which is provided with a support leg for receiving a portion. The main body of the panel has a substantially quadrilateral shape in a plan view, and a connecting plate material on which one side edge of another adjacent floor base panel can be placed and fixed is provided on the back surface of the one side edge of the panel. A deflection control plate material is provided in the substantially central portion of the back surface of the floor substrate panel substantially in parallel with the above, and the deflection control plate material has an extension portion extending outward from the side edge of the main body portion of the floor substrate panel at the tip portion thereof. This extension is arranged on the back surface of the side edge of another floor base panel laid adjacent to the floor base panel, and is located on the base end side of the deflection control plate material provided on the back surface of the other floor base panel. As a result, the deflection control plate materials of the floor base panels laid vertically and horizontally are aligned in a row in the vertical or horizontal direction, and the floor base structure is formed in a state where a plurality of rows are arranged side by side. It is a floor base panel characterized by.

The second aspect of the present invention is characterized in that, in the first invention, the connecting plate material and the deflection control plate material are arranged in a direction orthogonal to the grain or fiber direction of the main body of the floor base panel. It is a ground panel.

The third aspect of the present invention is the floor base according to the first or second invention, wherein the connecting plate material and the deflection control plate material are joined and fixed to the floor base panel with an adhesive and screws or nails. It is a panel.

The fourth aspect of the present invention is the floor base panel according to the first to third inventions, wherein the width of the deflection control plate material is made larger than the width of the connecting plate material.

A fifth aspect of the present invention is the floor base panel according to the first to fourth aspects, wherein the connecting plate material and the deflection control plate material have substantially the same thickness.

A sixth aspect of the present invention is the floor base panel according to the first to fifth aspects, wherein the four corners of the main body are chamfered to provide notches.

The seventh aspect of the present invention is the floor base panel according to the first to sixth aspects, wherein two or three of the deflection control plate members are provided substantially parallel to the connecting plate material.

The eighth object of the present invention includes a floor base panel, a receiving member provided on the root or base side when receiving the side edge portion of the floor base panel, and a support leg for receiving the corner portion of the floor base panel. , The floor base panel used for the floor base structure formed by laying the floor base panel vertically and horizontally on the edge root or the receiving member, and the support leg, and the main body of the floor base panel is the long side thereof. Has a substantially rectangular shape that is vertically long in plan view and has twice the length of the short side, and one side edge of the upper short side of the other adjacent floor base panel is on the back surface of the side edge of the lower short side. A connecting plate material that can be placed and fixed is provided, and a reinforcing plate material is provided in a substantially central portion of the back surface of the floor base panel substantially parallel to the connecting plate material. Deflection control plate materials are provided substantially in parallel to each of the central portions of the back surface of the main body portion, and the support legs are also arranged at both ends of the reinforcing plate material to support adjacent floor base panels. Each has an extension portion extending outward from the side edge of the main body portion of the floor base panel at its tip portion, and this extension portion is the back surface of the side edge portion of another floor base panel laid adjacent to the extension portion. It is fixed so as to be located on the base end side of the deflection control plate material provided on the back surface of the other floor base panel, whereby the deflection control plate material of the floor base panel laid vertically and horizontally is placed in the vertical direction. Alternatively, it is a floor base panel characterized in that a floor base structure is formed in a state where a plurality of rows are arranged side by side in the horizontal direction.

The ninth aspect of the present invention is that, in the eighth aspect of the present invention, the connecting plate material, the reinforcing plate material, and the deflection control plate material are arranged in a direction orthogonal to the grain or fiber direction of the main body of the floor base panel. It is a characteristic floor base panel.

The tenth aspect of the present invention is characterized in that, in the eighth or ninth invention, the connecting plate material, the reinforcing plate material and the bending control plate material are joined and fixed to the floor base panel with an adhesive and screws or nails. It is a floor base panel.

The eleventh aspect of the present invention is the floor base panel according to the eighth to tenth inventions, wherein the width of the deflection control plate material is made larger than the width of the connecting plate material.

The twelfth aspect of the present invention is the floor base panel according to the eighth to eleventh inventions, characterized in that the thicknesses of the connecting plate material, the reinforcing plate material, and the deflection control plate material are substantially the same.

In the thirteenth aspect of the present invention, in the eighth to twelfth inventions, the four corners of the main body are chamfered to provide notches, and the notches are formed in the middle of both side edges of the main body. It is a floor base panel characterized by having a part.

In the fourteenth aspect of the present invention, in the eighth to thirteenth inventions, the respective bending control plate materials provided in the intermediate portion between the reinforcing plate material and the connecting plate material and the central portion of the back surface of the main body portion above the reinforcing plate material are provided. It is a floor base panel characterized by having two or three.

The fifteenth object of the present invention includes a floor base panel, a receiving member provided on the joist or the base side when receiving the side edge portion of the floor base panel, and a support leg for receiving the corner portion of the floor base panel. In the floor base structure formed by laying the floor base panel vertically and horizontally on the joists or the receiving members, and the support legs, the main body of the floor base panel has a substantially quadrilateral shape in a plan view. On the back surface of one side edge portion, a connecting plate material on which one side edge portion of another adjacent floor base panel can be placed and fixed is provided, and substantially parallel to this connecting plate material, the back surface substantially central portion of the floor base panel is bent. A control plate material is provided, and the deflection control plate material has an extension portion extending outward from the side edge of the main body portion of the floor base panel at the tip portion thereof, and the extension portion is laid adjacent to another. It is arranged on the back surface of the side edge of the floor base panel, and is fixed so as to be located on the base end side of the deflection control plate material provided on the back surface of the other floor base panel, whereby the floor base laid vertically and horizontally. It is a floor base structure characterized in that the bending control plate members of the panel are arranged in a row in the vertical direction or the horizontal direction, and the rows are formed in a state where a plurality of rows are arranged in parallel.

In the sixteenth aspect of the present invention, in the fifteenth invention, the connecting plate material and the deflection control plate material provided on the floor base panel are fixed to another floor base panel with an adhesive and screws or nails, and laid vertically and horizontally. It is a floor base structure characterized in that the entire floor base panel that has been fixed and fixed is articulated and fixed as one.

The seventeenth aspect of the present invention is the floor base structure according to the fifteenth or sixteenth invention, wherein the width of the deflection control plate material is made larger than the width of the connecting plate material.

The eighteenth aspect of the present invention is the floor base structure according to the fifteenth to seventeenth inventions, characterized in that the four corners of the main body are chamfered to provide notches.

The nineteenth aspect of the present invention is the floor base structure according to the fifteenth to eighteenth inventions, wherein two or three of the deflection control plate materials are provided substantially parallel to the connecting plate material.

The twentieth aspect of the present invention is the floor base structure according to the fifteenth to nineteenth inventions, wherein the support legs can be adjusted in height above and below the support legs.

The 21st aspect of the present invention is the floor base structure according to the 15th to 20th inventions, wherein the base portion of the support leg is fixed to the foundation of the building.

In the 22nd aspect of the present invention, in the 15th to 21st inventions, the thickness of the connecting plate material and the bending control plate material is substantially the same, and the back surface of the floor base panel not provided with the connecting plate material and the bending control plate material. It is a floor base structure characterized by providing a heat insulating material having substantially the same thickness as the connecting plate material.

The 23rd aspect of the present invention is that, in the 22nd invention, the floor base structure is applied to the double floor structure of a multi-story building, and a soundproofing material is arranged in the space under the floor base panel. It is a floor base structure characterized by.

The twenty-fourth aspect of the present invention is the floor base structure according to the fifteenth invention, wherein the floor base structure is formed by using the floor base panel according to claim 8 as the floor base panel. ..

In the fifteenth invention of the present invention, the floor base panel described in the first invention and the floor base panel described in the eighth invention are used in combination as the floor base panel. The floor base structure is characterized in that the floor base panels described in the eighth invention are arranged in a staggered manner in a staggered manner.

The 26th object of the present invention includes a floor base panel, a receiving member provided on the joist or the base side when receiving the side edge portion of the floor base panel, and a support leg for receiving the corner portion of the floor base panel. In the construction method of the floor base structure formed by laying the floor base panel vertically and horizontally on the joists or the receiving members and the support legs, the main body of the floor base panel used as the floor base panel is viewed in a plan view. A connecting plate material having a substantially quadrilateral shape and capable of mounting and fixing one side edge portion of another adjacent floor base panel is provided on the back surface of the one side edge portion thereof, and the floor base material is provided substantially parallel to the connecting plate material. A deflection control plate material is provided at substantially the center of the back surface of the panel, and the deflection control plate material has an extension portion extending outward from the side edge of the main body portion of the floor base panel at the tip portion thereof. , Arranged on the back surface of the side edge of another floor base panel laid adjacent to the floor base panel, and fixed so as to be located on the base end side of the deflection control plate material provided on the back surface of the other floor base panel. The floor base panels are laid in order in the vertical or horizontal direction and fixed so that the deflection control plate materials of the floor base panels are aligned in a row in the vertical or horizontal direction, and the deflection control plate materials are arranged in the vertical or horizontal direction. It is a construction method of a floor base structure characterized in that a plurality of rows are constructed in parallel in a direction.

In the twenty-seventh aspect of the present invention, in the twenty-sixth invention, the connecting plate material and the deflection control plate material provided on the floor base panel are fixed to another floor base panel with an adhesive and screws or nails, and laid vertically and horizontally. This is a method of constructing a floor base structure, characterized in that the entire floor base panel that has been fixed and fixed is articulated and fixed to one.

The 28th aspect of the present invention is the method for constructing a floor base structure according to the 26th or 27th invention, wherein the width of the deflection control plate material is made larger than the width of the connecting plate material.

The 29th aspect of the present invention is the construction of the floor base structure, characterized in that, in the 26th to 28th inventions, the four corners of the main body of the floor base panel are chamfered to provide notches. The method.

The thirtieth aspect of the present invention is a method for constructing a floor base structure, characterized in that, in the 26th to 29th inventions, two or three deflection control plate materials are provided substantially parallel to the connecting plate material. be.

The 31st aspect of the present invention is the floor base structure according to the 26th to 30th inventions, wherein the base portion of the support leg is fixed to the foundation of the building by adhesive and / or screw fastening. It is a construction method of.

In the 32nd aspect of the present invention, in the 26th to 31st inventions, the thickness of the connecting plate material and the bending control plate material is substantially the same, and the back surface of the floor base panel not provided with the connecting plate material and the bending control plate material. It is a construction method of a floor base structure characterized by providing a heat insulating material having substantially the same thickness as the connecting plate material.

In the 33rd aspect of the present invention, in the 32nd invention, the floor base structure is applied to the double floor structure of a multi-story building, and a soundproofing material is arranged in the space under the floor base panel. It is a construction method of a floor base structure characterized by.

The 34th aspect of the present invention is the floor base structure according to the sixth aspect of the present invention, wherein the floor base structure is formed by using the floor base panel according to the eighth invention as the floor base panel. It is a construction method.

In the 26th invention of the present invention, the floor base panel according to the first invention and the floor base panel according to the eighth invention are used in combination as the floor base panel, and the eighth invention is described. This is a method for constructing a floor base structure, characterized in that the floor base panels according to the present invention are arranged in a staggered manner in a staggered manner.

In the first invention, regarding the floor base panel used in the double floor structure of a detached house or a multi-story building, the floor base panel and the joist or the base side when receiving the side edge of the floor base panel The floor base structure is provided with the provided receiving member and the support legs for receiving the corners of the floor base panel, and the floor base panel is spread vertically and horizontally on the joists or the receiving members and the support legs. It is used.
The main body of this floor base panel has a substantially quadrilateral shape in a plan view, and a connecting plate material on which one side edge of another adjacent floor base panel can be placed and fixed is placed on the back surface of one side edge thereof. A deflection control plate material is provided at the substantially central portion of the back surface of the floor base panel substantially parallel to the connecting plate material, and the deflection control plate material is provided at the tip portion thereof from the side edge of the main body portion of the floor base panel to the outside. It has an extension portion to be extended, and this extension portion is arranged on the back surface of the side edge portion of another floor base panel laid adjacent to the extension portion, and is provided on the back surface of the other floor base panel. It is fixed so that it is located on the base end side.
Therefore, the deflection control plate materials of the floor base panels laid vertically and horizontally are arranged in a single row in the vertical direction or the horizontal direction, and the floor base structure is formed in a state where a plurality of rows are arranged side by side.

With the above configuration, the extension portion of the deflection control plate material disposed and fixed in the center portion of the back surface of one floor substrate panel is disposed on the lower surface of the side edge portion of the other floor substrate panel which is disposed adjacently. Therefore, it will be connected and fixed to the other floor base panel.
That is, the extension portion of the deflection control plate material is connected and fixed to other adjacent floor base panels to also perform a connecting function, and the deflection control plate materials are aligned and fixed in a row, and all other floor base materials are connected and fixed. All of the panels are integrally connected and fixed by the above-mentioned connecting plate material, and all of the floor base panels are integrated into one.
As a result, the deflection control plate materials are arranged in a row at the central portion where the load is most applied to each floor base panel, and the entire floor base panel is integrated, so that the floor base structure or the entire floor base panel can be used. The bending strength will be maintained at the best.
As described above, in the floor base structure formed by the floor base panel according to the present invention, it is realized as having both the rigidity and elasticity of the floor appropriately.
In addition, the structure of the floor base panel is also very simple, which contributes to facilitation of manufacturing and weight reduction, facilitation of construction work, and reduction of manufacturing cost.

In the second aspect of the present invention, the connecting plate material and the bending control plate material are arranged in a direction orthogonal to the grain or fiber direction of the main body of the floor base panel, and the strength thereof is improved. Is.
The main body uses structural plywood, and by arranging and fixing a connecting plate material and a bending control plate material on the surface so as to be orthogonal to the direction of the grain or fiber appearing on the surface of the softwood wood. Its strength is the best.

In the third object of the present invention, the connecting plate material and the bending control plate material are joined and fixed to the floor base panel with an adhesive and screws or nails, and the one having the highest joint fixing strength is used. , Specified as the best strength of the floor base panel.

In the fourth aspect of the present invention, it is intended to improve the bending control function by making the width of the bending control plate material larger than the width of the connecting plate material.

In the fifth aspect of the present invention, the thicknesses of the connecting plate material and the deflection control plate material are substantially the same. For example, a heat insulating material having the same thickness is arranged on the back surface of the floor base panel in which both of them are not provided. By installing these, it is possible to make these lower surfaces substantially the same plane, and the lower surfaces of all the floor base panels can be made the same plane, facilitating the air flow in the space of the lower surface of the floor base structure. be able to.

In the sixth aspect of the present invention, the four corners of the main body are chamfered to provide notches, and by providing these notches, the height of the support legs located at the corners is high. When performing the adjustment, the adjustment work can be performed from above the floor base panel.

In the seventh aspect of the present invention, the deflection control plate material is provided with two or three pieces substantially parallel to the connecting plate material, and in order to improve the bending strength of each floor base panel, the fourth item is described above. Unlike the invention of (wide), the same effect is exhibited by providing a plurality of the inventions.

In the eighth floor base panel of the present invention, the one in which the two floor base panels according to the first invention are vertically arranged and integrated is specified.
The effect is the same as that of the first invention, but in the case of construction, two floor base panels can be laid in one operation, so that the workability is improved.
Although the reinforcing plate material provided at the center of the back surface of the floor base panel according to the eighth invention has a different name from the connecting plate material, it may have the same form as the connecting plate material and is adjacent to the floor base. Although it does not have a connecting function with the panel, its function is the same as that of the connecting plate material.

The effects of the ninth to fourteenth inventions of the present invention are the same as those of the second to seventh inventions.

The fifteenth aspect of the present invention is a floor base structure formed by using the floor base panel according to the first invention, and the effect thereof is the same as that of the first invention.

In the sixteenth aspect of the present invention, the connecting plate material and the deflection control plate material provided on the floor base panel are fixed to another floor base panel with an adhesive and screws or nails, and the floor base panel is laid vertically and horizontally. It was specified that the whole of the floor was connected and fixed to one, and the bending strength of the floor base structure was set to the best.

The seventeenth aspect of the present invention exerts the same effects as those of the fourth and eleventh inventions.

The eighteenth aspect of the present invention exerts the same effects as those of the sixth and thirteenth inventions.

The nineteenth aspect of the present invention exerts the same effects as those of the seventh and fourteenth inventions.

The twentieth aspect of the present invention limits that the support legs can be adjusted in height above and below the support legs.

The twenty-first aspect of the present invention limits the base portion of the support leg to be fixed to the foundation of a building such as a cloth foundation or a concrete slab, whereby the entire floor portion of the floor base structure is used. The deflection and vibration of the concrete will be more suppressed and controlled.

In the 22nd aspect of the present invention, the thickness of the connecting plate material and the bending control plate material is substantially the same, and the thickness of the connecting plate material and the bending control plate material is substantially the same as the thickness of the connecting plate material on the back surface of the floor base panel on which the connecting plate material and the bending control plate material are not provided. By limiting the provision of the heat insulating material, the heat insulating effect according to the present invention is improved, and the air flow under the floor is further improved.

In the 23rd aspect of the present invention, as described above, the floor base structure is applied to the double floor structure of a multi-story building, and a soundproofing material is arranged in the space under the floor base panel. The soundproofing effect and the soundproofing effect can be improved.

In the 24th aspect of the present invention, the floor substrate structure is formed by using the vertically long floor substrate panel described in the 8th invention as the floor substrate panel, and the effect thereof is the 15th aspect. Similar to the invention.

In the 25th aspect of the present invention, the floor base panel described in the first invention and the floor base panel described in the eighth invention are used in combination as the floor base panel, and the floor base described in the eighth invention is used. It is specified that the panels are arranged in a staggered manner, and the effect is the same as that of the fifteenth invention, but the vertically long floor base panels are staggered and fixed in a staggered manner. In addition, the positions of the connecting plate materials for connecting and fixing the floor base panels to each other are also staggered, and the overall strength of the floor base structure is improved.

The 26th floor base structure construction method of the present invention is a construction method for constructing a floor base structure using the floor base panel according to the first invention.
The effect is the same as that of the first invention.

The 27th to 30th aspects of the present invention are the same as the effects of the 16th to 19th inventions.

The 31st to 35th inventions of the present invention have the same effects as those of the 21st to 25th inventions.

The first embodiment which concerns on the floor base panel of this invention is illustrated, the (A) is a plan view, and (B) is a bottom view. A second embodiment according to the floor base panel of the present invention is illustrated, in which (A) is a plan view and (B) is a bottom view. A state in which the floor base panel according to the first embodiment and the floor base panel according to the second embodiment are used in combination to form a floor base is shown, in which (A) is a plan explanatory view and (B) is ( A) It is a cross-sectional explanatory view of BB of the figure. It is a conceptual explanatory view which shows the state which the floor base panel which concerns on the 2nd Embodiment is laid vertically and horizontally. It is a plan view of the main part which shows the load state of the bending load when the floor base panel which concerns on the 1st Embodiment is laid, and the bending load P is applied to the floor base panel from above. A main part of one support leg portion that supports the corner portion of the floor base panel according to the above embodiment is shown, (A) is a plan explanatory view, and (B) is a front explanatory view. The state in which the floor base panel according to the above-described embodiment is placed and fixed on the joist is illustrated, the (A) is a plan explanatory view, and the (B) is a front explanatory view. A floor base panel according to a third embodiment of the present invention is shown, (A) is a perspective explanatory view, and (B) is a conceptual explanatory view showing a construction state.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
FIG. 1 illustrates a first embodiment of the floor base panel of the present invention, in which (A) is a plan view and (B) is a bottom view.

The main body 30 of the floor base panel 1 uses a structural panel made of softwood plywood having a short side of about 908 mm, a long side having twice the length of the rectangular shape, and a thickness of 24 mm.
A connecting plate member 11 is joined and fixed to the back surface of one side edge of the lower side of the main body 30.
The connecting plate material 11 has a width of about 90 mm to 105 mm, and a thickness of about 28 mm, which is equal to or thicker than that of the main body portion 30, can be used.
The thickness of the connecting plate material 11 can be appropriately changed according to a desired grade together with the thickness of the bending control plate material described later.

As shown in the drawing, about half of the connecting plate member 11 is joined to and fixed to the back surface of one side edge portion (lower side side in the drawing) of the main body portion 30. Joining and fixing is performed with an adhesive and screws or nails.
Dots (black dots) in FIG. 1 (A) indicate screws or nails.
Although not shown, the lower half can be connected and fixed by placing one side edge portion (upper side side edge portion) of another adjacent floor base panel. This connection and fixing is also performed with an adhesive and screws or nails. This is because the fixing strength and the like are the largest.

The connecting plate 11 is fixed to one side edge of the lower side of the main body 30 as described above, but it is not provided over the entire side edge, but a space is opened at both ends thereof. back.
This is because a support member located at the upper end of the support leg, which will be described later, is arranged in this space.

Notches 15 are provided at the four corners of the main body 30 and at substantially the center of both side edges.
These notches 15 will be described later, but when a plurality of floor base panels 1 according to the present invention are arranged vertically and horizontally, they are formed at the intersections of the four corners of the panels and the intermediate portions of both side edges thereof. A hole is formed, and the height of the support leg can be adjusted by inserting the socket of a rotary tool such as a socket wrench through the hole provided in the center of the support member at the upper end of the support leg located below the hole. It is provided as follows.

Next, in the floor base panel 1, a reinforcing plate member 31 is provided at the center of the back surface of the main body 30 substantially parallel to the connecting plate member 11.
In this first embodiment, the reinforcing plate material 31 is the same as the connecting plate material 11, and space portions are provided at both ends thereof as in the connecting plate material 11 and joined to the back surface of the main body portion 30. It is fixed.
Support members at the upper ends of the support legs are arranged in the spaces at both ends.

Further, in the floor base panel 1 according to the present invention, the bending control plate material 12 is provided in the intermediate portion between the reinforcing plate material 11 and the connecting plate material 31 and in the center portion of the back surface of the main body portion 30 above the reinforcing plate material 31, respectively. It is provided substantially parallel to 11 and the reinforcing plate member 31. The deflection control plate material 12 is the greatest feature of the present invention.
The width of the deflection control plate material 12 can be freely set, but in the first embodiment, a material that is about three times larger than the width of the connecting plate material 11 is used.
Further, the thickness may be the same as that of the connecting plate material 11, and can be appropriately set according to a desired grade.

Here, the connecting plate material 11 and the bending control plate material 12 are arranged in a direction orthogonal to the grain or fiber direction of the main body 30 of the floor base panel 1 in order to increase the bending strength thereof.
Structural plywood is used as the main body 30, and softwood is used as the wood, and the connecting plate material 11, the reinforcing plate material 31, and the bending are used so as to be orthogonal to the direction of the grain or fiber appearing on the surface side. By arranging and fixing the control plate material 12, the strength thereof is maximized.

The deflection control plate material 12 is also fixed to the back surface of the main body 30 with an adhesive and screws or nails. Dots in the figure indicate screws or nails.
The most important point in the present invention is that the tip portion on the right side in the drawing of the deflection control plate member 12 extends outward from the right edge portion of the main body portion 10 to form the extension portion 12d. ..

The extension length of the extension portion 12d can be freely set, but the extension portion 12d is arranged on the lower surface of the side edge portion of another floor base panel having the same configuration which is adjacent to the right side in this figure. It is installed and joined and fixed to the other floor base panel on the right side.

By arranging the floor base panel 1 in the horizontal direction or the vertical direction in the horizontal direction or the vertical direction (the state in which the floor base panel is rotated 90 degrees to the right) in this way, the deflection control plate material 12 can be moved in the horizontal direction or the vertical direction. By arranging them in a row and repeating this, the deflection control plate members 12 arranged in this row are arranged in a plurality of rows in parallel.

As described above, in the floor base panel 1 according to the present invention, the deflection control plate materials 12 in each row are aligned in a row by being arranged and fixed vertically and horizontally, and are connected and fixed to the adjacent floor base panel. By doing so, the amount of deflection with respect to the load received from the floor can be suppressed as much as possible.

Regarding the control of the amount of deflection, since the extension portion 12d of the deflection control plate member 12 is connected and fixed to the side edge portion of the adjacent floor base panel, a downward load is applied to the central portion of the floor base panel 12. At that time, it is considered that the extension portion 12d jumps upward and is controlled by receiving a downward reaction force from the adjacent floor base panel side with respect to this upward force.

As described above, in the deflection control plate material according to the present invention, the conventional floor panel described in Patent Document 1 (the reinforcing plate material provided in the center portion of the back surface of the panel is not connected and fixed to the adjacent floor panel). Have different configurations, and their functions are completely different.

FIG. 2 illustrates a second embodiment of the floor base panel of the present invention, in which (A) is a plan view and (B) is a bottom view.

The main body 10 of the floor base panel 2 has a substantially square shape in a plan view having a side of about 908 mm, and uses a structural panel made of softwood plywood having a thickness of 24 mm.
The shape does not necessarily have to be exactly a square shape, and may be a quadrilateral shape having slightly different vertical and horizontal lengths.

A connecting plate member 11 is joined and fixed to the back surface of one side edge of the lower side of the main body 10.
The connecting plate material 11 has a width of about 90 mm to 105 mm, and a thickness of about 28 mm, which is equal to or thicker than that of the main body portion 10, can be used.
The thickness of the connecting plate material 11 can be appropriately changed according to a desired grade together with the thickness of the bending control plate material described later.

As shown in the drawing, about half of the connecting plate member 11 is joined to and fixed to the back surface of one side edge portion (lower side side in the drawing) of the main body portion 10. Joining and fixing is performed with an adhesive and screws or nails.
Dots (black dots) in FIG. 1 (A) indicate screws or nails.
Although not shown, the lower half can be connected and fixed by placing one side edge of another adjacent floor base panel having the same configuration. This connection and fixing is also performed with an adhesive and screws or nails. This is because the fixing strength and the like are the largest.

The connecting plate 11 is fixed to one side edge of the lower side of the main body 10 as described above, but it is not provided over the entire side edge, but a space is opened at both ends thereof. back.
This is because a support member located at the upper end of the support leg, which will be described later, is arranged in this space.

The four corners of the main body 10 are chamfered to provide cutouts 15.
As will be described later, when a plurality of floor base panels 1 according to the present invention are arranged vertically and horizontally, these cutouts 15 are formed with square holes at the intersections of the four corners of the panels. It is provided so that the height can be adjusted by inserting the socket portion of a rotary tool such as a socket wrench through the hole provided in the center of the support member at the upper end of the support leg located below.

Further, in the floor base panel 1 according to the present invention, the deflection control plate material 12 is provided in the center portion of the back surface of the main body portion 10 substantially parallel to the connecting plate material 11. The deflection control plate material 12 is the greatest feature of the present invention.
The width of the deflection control plate material 12 can be freely set, but in the first embodiment, a material that is about three times larger than the width of the connecting plate material 11 is used.
Further, the thickness may be the same as that of the connecting plate material 11, and can be appropriately set according to a desired grade.

Here, in order to increase the bending strength of the connecting plate material 11 and the bending control plate material 12, the connecting plate material 11 and the bending control plate material 12 are arranged in a direction orthogonal to the grain or fiber direction of the main body portion 10 of the floor base panel 1 as in the first embodiment. Set up.

The deflection control plate material 12 is also fixed to the back surface of the main body 10 with an adhesive and screws or nails. Dots in the figure indicate screws or nails.
The most important point in the present invention is that the tip portion on the right side in the drawing of the deflection control plate member 12 extends outward from the right edge portion of the main body portion 10 to form the extension portion 12d. ..

The extension length of the extension portion 12d can be freely set, but the extension portion 12d is arranged on the lower surface of the side edge portion of another floor base panel adjacent to the right side in this figure. It is joined and fixed to the other floor base panel on the right.

By arranging the floor base panel 1 in the horizontal direction or the vertical direction in the horizontal direction or the vertical direction (the state in which the floor base panel is rotated 90 degrees to the right) in this way, the deflection control plate material 12 can be moved in the horizontal direction or the vertical direction. By arranging them in a row and repeating this, the deflection control plate members 12 arranged in this row are arranged in a plurality of rows in parallel.

As described above, in the floor base panel 1 according to the present invention, the deflection control plate materials 12 in each row are aligned in a row by being arranged and fixed vertically and horizontally, and are connected and fixed to the adjacent floor base panel. By doing so, the amount of deflection with respect to the load received from the floor can be suppressed as much as possible.

Regarding the control of the amount of deflection, since the extension portion 12d of the deflection control plate member 12 is connected and fixed to the side edge portion of the adjacent floor base panel, a downward load is applied to the central portion of the floor base panel 12. At that time, it is considered that the extension portion 12d jumps upward and is controlled by receiving a downward reaction force from the adjacent floor base panel side with respect to this upward force.

As described above, in the deflection control plate material according to the present invention, the conventional floor panel described in Patent Document 1 (the reinforcing plate material provided in the center portion of the back surface of the panel is not connected and fixed to the adjacent floor panel). Have different configurations, and their functions are completely different.

FIG. 3 shows a state in which the floor base panel according to the first embodiment and the floor base panel according to the second embodiment are used in combination to form a floor base, and FIG. 3A is a plan explanatory view thereof (A). B) is a cross-sectional explanatory view of BB in FIG.
The floor structure shown in this figure is applied to the double floor structure of a multi-story building.

As can be seen from FIG. 3, the floor base panel 2 according to the second embodiment is located at the upper left corner, and the floor base panel 1 according to the first embodiment is sequentially arranged below the floor base panel 2 according to the second embodiment, and is arranged in the right column thereof. The floor base panel 1 according to the first embodiment is sequentially arranged from the top, and naturally the floor base panel 2 according to the second embodiment is arranged at the bottom thereof. Below, the column to the right of it also repeats the above arrangement.

According to this arrangement construction method, the floor base panels 1 according to the first embodiment are arranged in a staggered manner.
As described above, the main body portion 30 of the floor base panel 1 has a vertical length twice the horizontal length, and two substantially square floor base panels 2 according to the second embodiment are provided in the vertical direction. It has a shape that is combined side by side.

More specifically, the floor base panel 1 according to the first embodiment is a combination of two floor base panels 1 according to the second embodiment arranged in the vertical direction, and the main body 30 of the floor base panel 1 is formed. The long side has a substantially rectangular shape that is vertically long in a plan view and has twice the length of the short side, and the back surface of the side edge portion of the lower short side is the upper short side of another adjacent floor base panel 1. A connecting plate material 11 on which one side edge portion can be placed and fixed is provided, and a reinforcing plate material 31 is provided in a substantially central portion of the back surface of the floor base panel 1 substantially parallel to the connecting plate material 11, and the reinforcing plate material 31 and the connecting plate material 31 are connected. Flexion control plate members 12 are provided substantially in parallel to the intermediate portion of the plate material 11 and the back surface center portion of the main body portion 30 above the reinforcing plate material 31, and the support legs 20 are also arranged at both ends of the reinforcing plate material 31. Other adjacent floor base panels 1 and 2 can be supported, and each of the deflection control plate members 12 has an extension portion extending outward from the side edge of the main body portion 30 of the floor base panel 2 at the tip end portion thereof. It has 12d, and the extension portion 12d is arranged on the back surface of the side edge portion of the other floor base panels 1 and 2 laid adjacent to each other, and is provided on the back surface of the other floor base panels 1 and 2. It is fixed so as to be located on the base end side of the deflection control plate material 12, so that the deflection control plate materials 12 of the floor base panels 1 and 2 laid vertically and horizontally are arranged in a plurality of rows in the vertical or horizontal direction. The structure will be formed.

As described above, as shown in FIG. 3, the floor base structure according to the present invention can be laid in combination with the floor base panels 1 and 2 of the first and second embodiments.
Of course, the floor base structure can be formed by laying all of them only in the first embodiment, and similarly, the floor base structure can be formed only by the floor base panel 2 according to the second embodiment.

As can be seen from the above description, the floor base structure according to the present invention is the floor base panel, the receiving member provided on the joist or the base side when receiving the side edge portion of the floor base panel, and the floor base panel. In a floor base structure formed by laying the floor base panel vertically and horizontally on the joist or the receiving member and the support leg, the main body of the floor base panel is viewed in a plan view. A connecting plate material having a substantially quadrilateral shape and capable of mounting and fixing one side edge portion of another adjacent floor base panel is provided on the back surface of the one side edge portion thereof, and the floor base material is provided substantially parallel to the connecting plate material. A deflection control plate material is provided at substantially the center of the back surface of the panel, and the deflection control plate material has an extension portion extending outward from the side edge of the main body portion of the floor base panel at the tip portion thereof. , It is arranged on the back surface of the side edge of another floor base panel laid adjacently, and is fixed so as to be located on the base end side of the deflection control plate material provided on the back surface of the other floor base panel. As a result, the deflection control plate materials of the floor base panels laid vertically and horizontally are arranged in a single row in the vertical or horizontal direction, and the floor base structure is characterized in that a plurality of rows are formed in parallel.

Here, as the floor base panel, either one or both of the first embodiment and the second embodiment can be used in combination.
FIG. 3 is an example in which the floor base panels 1 and 2 are used in combination to construct the floor base panels 1 in a staggered manner.

Here, the floor base structure shown in FIG. 3 shows, for example, the upper left corner portion of the floor base structure of one room, that is, the upper edge portion and the left side edge portion of the corner portion of the room. be.
When all of this one room is laid out only by the substantially square floor base panel 2 (the one shown in FIG. 2) according to the second embodiment, it is located in a vertical row located at the right edge of the room and at the lower edge. As the floor base panel in a horizontal row, a panel having a shape slightly different from that of the floor base panel 2 can be used.

That is, since the floor base panel to be arranged on the right edge portion is provided with a joist and a receiving member on the base side on the right edge portion, the extension portion 12d of the deflection control plate material 12 is unnecessary, and the deflection control is performed. The tip portion of the plate member 12 must be located at a position slightly retracted from the right edge portion of the main body portion 10 toward the base end side. This is to avoid the joists and receiving members, that is, to avoid interference.

On the other hand, the floor base panel to be arranged on the lower edge portion does not need to be provided with the connecting plate member 11 because the lower edge portion also has the edge joist and the receiving member on the base side.
The floor base panel at the lower right corner where the right edge and the lower edge of the room intersect does not require the connecting plate 11 and the extension 12d of the bending control plate 12, and the tip thereof is not required. As for the portion, the one arranged at a position retracted from the right edge portion of the floor base panel toward the base end side can be used.

However, it is also possible to form the floor base structure only by the floor base panel 2 according to the second embodiment by making the structure of the joist and the receiving member on the base side different between the right edge portion and the lower edge portion of the room. It becomes.
The same can be said for the case where the floor base panel 1 according to the first embodiment is arranged at the right edge portion or the lower edge portion.

FIG. 4 is a conceptual explanatory view showing a state in which the floor base panel according to the second embodiment is laid vertically and horizontally.
As shown in this figure, the floor base structure according to the present invention can be constructed only by the floor base panel 2, and the corners thereof are supported by the support legs 20, which are diagonally upper right and diagonally upper left in FIG. For example, in the case of a detached house, the side edge portion can be placed and fixed on a receiving member provided on the base portion, and in the case of a multi-story building, the side joist is arranged and placed on the wall surface side. It can be fixed and laid in sequence vertically and horizontally.

As an example of the receiving member provided on the base portion, a specific example thereof is described in FIGS. 10 to 12 of Patent Document 1 proposed by the applicant of the present application and the description thereof.
The support leg 20 is composed of a base portion 21 at the lower end, a strut portion 22 that hangs from the base portion 21, and a support member 23 at the upper end. In this embodiment, a steel bundle is used, and the strut portion is used. The support member 23 has a structure in which the support member 23 can move up and down at the upper end of the 22 and the height can be adjusted.

In the floor base panels 2 arranged vertically and horizontally in this way, as can be seen from FIG. 4, the deflection control plate materials 12 are arranged in a row and fixed to the lower surface of the side edge portion of the adjacent floor base panels 2. , Adjacent floor base panels 2 are connected and fixed. As a result, the amount of bending of the floor base panel 2 is suppressed and maintained to the minimum.

FIG. 5 is an explanatory plan view of a main part showing a load state of a bending load when a floor base panel according to the first embodiment is laid and a bending load P is applied to the floor base panel from above.
In this figure, the state of being supported by the support legs 20 at the corners of the floor base panel 1 and the intermediate portions of both side edges thereof and the arrangement state of the connecting plate member 11 and the bending control plate member 12 can be clearly seen. The load state of the load when the bending load P is applied from the top to the bottom in the central portion in the figure is shown by a two-dot chain line which is an imaginary line.

As shown in this figure, when a load is applied from above to below in the central portion, the deflection control plate member 12 receives a downward load from above, and the load is applied to both ends of the deflection control plate member 12. Is diffused upwards.
Since the extension portion 12d of the deflection control plate material 12 is fixed to the side edge portion of the adjacent floor base panel 1, it receives a reaction force from above from the other adjacent floor base panel 1 and receives the above load P. It becomes a reaction force that resists against it, and the load P is suppressed.

A hole 26 is formed in the center of the support member 23, and a nut member disposed at the bottom of the hole 26 by inserting a socket portion of a rotary tool such as a socket wrench through the hole 26. The height of the support leg can be adjusted freely by rotating. This will be described later.

The connecting plate member 11 connects and fixes the upper edge portions of the adjacent floor base panels 1 arranged in the vertical direction on the lower surface thereof.
The deflection control plate members 12 are arranged in a row in the horizontal direction, are arranged on the lower surface of the left edge portion of another adjacent floor base panel 1, and are connected and fixed to the side edge portion of the floor base panel.

6A and 6B show a main part of one support leg portion that supports a corner portion of the floor base panel according to the above embodiment, in which FIG. 6A is a plan explanatory view and FIG. 6B is a front explanatory view.
The support legs 20 include a base portion 21 at the lower end thereof, a strut portion 22 that hangs upward from the base portion 21, a nut member 24 with a support surface that can move up and down above the strut portion 22, and the support legs 20. It is composed of a support member 23 arranged on the upper surface of the nut member 24 with a support surface.
In the nut member 24 with a support surface, the support surface can move up and down by rotating the nut member. That is, the nut member can rotate while supporting the support surface.

A male screw is engraved on the support column 22, and the nut member 24 with a support surface is screwed above the male screw, and the support surface is formed by rotating the nut member of the nut member 24 with a support surface. The height of the support member 23 can be adjusted by moving up and down. As a result, the height of the floor base panel can be adjusted.
A cushioning material is arranged between the support member 23 and the support surface of the nut member 24 with a support surface.

A hole 26 is formed in the central portion of the support member 23, and the nut member of the nut member 24 with a support surface can be rotated by a rotary tool from above to adjust the height of the support member 23.
In order to enable the construction operation from above, notches 15 are provided at the four corners of the main body 30 of the floor base panel and the intermediate portions of both side edges thereof.

FIG. 7 illustrates a state in which the floor base panel according to the above embodiment is placed and fixed on the joist, the (A) is a plan explanatory view, and the (B) is a front explanatory view.
In the example shown in this figure, the floor base panel according to the present invention is applied to a double floor structure of a multi-story building, and when the floor base panel is provided on the wall surface portion, the floor base panel is placed and fixed on a joist. Shown.

As described above, the floor base panel according to the above embodiment can be applied not only to the floor portion of a detached house but also to a double floor structure of a multi-story building such as an apartment.
Also in this case, the presence of the notch 15 provided at the corner of the main body 10 of the floor base panel allows the nut member 24 with the support surface provided on the support leg 20 to be supported below to be rotated from above. ..
Further, in this figure, a double-floor structure of a multi-story building is illustrated, and a packing 40 as a cushioning material is interposed on the wall side of the joist 25 so that the vibration of the floor is not transmitted to the wall surface. It is configured in.

8A and 8B show a floor base panel according to a third embodiment of the present invention, in which FIG. 8A is a perspective explanatory view and FIG. 8B is a conceptual explanatory view showing a construction state.
The floor base panel 3 according to the third embodiment of the present invention shown here is basically the same as that of the second embodiment, but the bending control plate material 12 is substantially parallel to the connecting plate material 11 and the main body portion. Three are provided on the back surface of 10.

Further, the width of the three bending control plate members 12 located at the center thereof is formed to be larger than the width of the other two bending control plate members 12.
Other configurations are the same as those of the first embodiment.

As described above, one or three bending control plate members 12 can be provided on the back surface of the main body portion 10, and the number thereof can be appropriately set as needed, but preferably about one to three. desirable. This is in consideration of workability of construction.
Similar to the floor base panels 1 to 3 according to the above-described first to third embodiments, the floor base structure and the floor base structure construction method according to the present invention can be realized.

The method of constructing the floor base structure according to the present invention can be sequentially constructed using the floor base panel according to the above embodiment.
That is, the floor base panel is provided with a receiving member provided on the joist or the base side when receiving the side edge portion of the floor base panel, and a support leg for receiving the corner portion of the floor base panel. In the construction method of the floor base structure formed by laying the floor base panel vertically and horizontally on the support legs, the main body of the floor base panel used as the floor base panel has a substantially quadrilateral shape in a plan view. A connecting plate material on which one side edge of another adjacent floor base panel can be placed and fixed is provided on the back surface of the one side edge portion, and substantially parallel to the connecting plate material, the back surface substantially central portion of the floor base panel is provided. A deflection control plate material is provided, and the deflection control plate material has an extension portion extending outward from the side edge of the main body portion of the floor base panel at the tip portion thereof, and the extension portion is laid adjacent to the other. It is arranged on the back surface of the side edge of the floor base panel, and is fixed so as to be located on the base end side of the deflection control plate material provided on the back surface of the other floor base panel. The floor base panels are sequentially laid and fixed so that the deflection control plate materials of the floor base panels are aligned in a row in the vertical direction or the horizontal direction, and the deflection control plate materials are arranged in a plurality of rows in the vertical direction or the horizontal direction. It is a construction method of a floor base structure characterized by being constructed.

In the above construction method, the floor base panel 2 according to the second embodiment is used for explanation, but in this construction method, only the vertically long floor base panel 1 according to the first embodiment is used. It is also possible to arrange and lay the floor base panels 1 and 2 according to the first and second embodiments in combination.
By this combined use, as described in FIG. 3, the vertically long floor base panels 1 according to the first embodiment can be arranged in a staggered manner in a staggered manner, and the amount of bending is extremely small and the elasticity is reduced by this arrangement method. A floor foundation structure that has both properties and rigidity will be constructed.

In short, the deflection control plate materials 12 are arranged in a row in the horizontal direction or the vertical direction by the construction method of constructing the floor base structure using the floor base panel, and the deflection control plate materials arranged in this row are further arranged in parallel. The floor base structure is formed by laying, laying, and fixing.

Although the embodiments of the present invention have been described above, the embodiments can be modified in various ways in the present invention.
The outer shape of the main body of the floor base panel may be a substantially quadrilateral shape, and may be a substantially square shape or a vertically long rectangular shape.

The size can be appropriately set, and the thickness thereof can be appropriately set as needed.
The width of the connecting plate material and the deflection control plate material can be freely set, and the number of the deflection control plate material is not limited to one, but can be freely changed and set within a range of about two or three. Can be done.

The size of the notches provided at the four corners of the main body of the floor base panel can also be freely set.
Further, the length of the extension portion of the deflection control plate material in the longitudinal direction can be appropriately set as needed.

The maximum length of this extension is the reaction force received from the adjacent floor base panel to which the extension is fixed, according to the load from above the center of the floor base panel provided with this deflection control plate material. The length should be set so as to be.

Further, by fixing the base portion of the support legs constituting the floor base structure to the foundation portion with an adhesive and screws, the entire floor base structure is integrally fixed to the foundation portion, and the above-mentioned bending strength is also increased. It will be the best.

In the floor base structure, the thicknesses of the connecting plate material and the deflection control plate material are substantially the same, and a heat insulating material having substantially the same thickness as the connecting plate material is provided on the back surface of the floor base panel on which the connecting plate material and the deflection control plate material are not provided. Things are also free.
As a result, the heat insulating effect of the floor base can be enhanced, and at the same time, the air flow under the floor can be maintained well.

The floor base structure is applied to a double floor structure of a multi-story building, and a soundproof material or a sound insulation material can be arranged in the space under the floor base panel.
This is to improve the soundproofing effect of multi-story buildings such as condominiums.

As described above, the design of the floor base panel according to the present invention can be changed to various embodiments. However, by using the floor base panel provided with the connecting plate material and the deflection control plate material as described above, the entire floor base panel is used. Can be configured as a floor base structure that is connected and fixed to one, and it is possible to provide a floor base structure that has appropriate elasticity with a small amount of deflection as well as its rigidity, and a floor base using such a floor base panel. We were able to provide a construction method for constructing the structure.

1, 2, 3 Floor base panel 10, 30 Main body 11 Connecting plate 12 Flexion control plate 12d Extension (of deflection control plate)
15 Notch 20 Support leg 21 Base part 22 Strut part 23 Support member 24 Nut member with support surface 25 Joist 26 Hole 40 Packing

Claims (35)

The floor joist or the receiving member is provided with a floor base panel, a receiving member provided on the joist or the base side when receiving the side edge portion of the floor base panel, and a support leg for receiving the corner portion of the floor base panel. And the floor base panel used for the floor base structure formed by laying the floor base panel vertically and horizontally on the support legs.
The main body of this floor base panel has a substantially quadrilateral shape in a plan view, and a connecting plate material on which one side edge of another adjacent floor base panel can be placed and fixed is provided on the back surface of one side edge thereof.
A deflection control plate material is provided in the substantially central portion of the back surface of the floor base panel substantially parallel to the connecting plate material.
This deflection control plate material has an extension portion extending outward from the side edge of the main body portion of the floor base panel at the tip portion thereof.
This extension is arranged on the back surface of the side edge of another floor base panel laid adjacent to the floor base panel, and is located on the base end side of the deflection control plate material provided on the back surface of the other floor base panel. Fixed,
As a result, the deflection control plate materials of the floor base panels laid vertically and horizontally are arranged in a row in the vertical or horizontal direction, and the floor base structure is formed in a state where a plurality of rows are arranged side by side. panel. The floor base panel according to claim 1, wherein the connecting plate material and the deflection control plate material are arranged in a direction orthogonal to the grain or fiber direction of the main body of the floor base panel. The floor base panel according to claim 1 or 2, wherein the connecting plate material and the deflection control plate material are joined and fixed to the floor base panel with an adhesive and screws or nails. The floor base panel according to any one of claims 1 to 3, wherein the width of the deflection control plate material is made larger than the width of the connecting plate material. The floor base panel according to claim 1, wherein the thickness of the connecting plate material and the bending control plate material are substantially the same. The floor base panel according to any one of claims 1 to 5, wherein the four corners of the main body are chamfered to provide a notch. The floor base panel according to any one of claims 1 to 6, wherein two or three bending control plate members are provided substantially parallel to the connecting plate material. The floor joist or the receiving member is provided with a floor base panel, a receiving member provided on the joist or the base side when receiving the side edge portion of the floor base panel, and a support leg for receiving the corner portion of the floor base panel. And the floor base panel used for the floor base structure formed by laying the floor base panel vertically and horizontally on the support legs.
The main body of this floor base panel has a substantially rectangular shape whose long side is twice as long as the short side in a vertically long plan view, and another underfloor adjacent to the back surface of the side edge portion of the lower short side thereof. Provide a connecting plate material on which one side edge of the upper short side of the ground panel can be placed and fixed.
A reinforcing plate material is provided in the substantially central portion of the back surface of the floor base panel substantially parallel to the connecting plate material.
Deflection control plate materials are provided substantially in parallel to the intermediate portion between the reinforcing plate material and the connecting plate material and the central portion of the back surface of the main body portion above the reinforcing plate material.
The support legs can also be arranged at both ends of the reinforcing plate material to support adjacent floor base panels.
Each of the deflection control plate materials has an extension portion extending outward from the side edge of the main body portion of the floor base panel at the tip end portion thereof.
This extension is arranged on the back surface of the side edge of another floor base panel laid adjacent to the floor base panel, and is located on the base end side of the deflection control plate material provided on the back surface of the other floor base panel. Fixed,
As a result, the floor base panel is characterized in that a floor base structure is formed in a state in which a plurality of rows of bending control plate materials of the floor base panels laid vertically and horizontally are arranged side by side in the vertical or horizontal direction. The floor base panel according to claim 8, wherein the connecting plate material, the reinforcing plate material, and the deflection control plate material are arranged in a direction orthogonal to the grain or fiber direction of the main body portion of the floor base panel. The floor base panel according to claim 8 or 9, wherein the connecting plate material, the reinforcing plate material, and the deflection control plate material are joined and fixed to the floor base panel with an adhesive and screws or nails. The floor base panel according to any one of claims 8 to 10, wherein the width of the deflection control plate material is made larger than the width of the connecting plate material. The floor base panel according to any one of claims 8 to 11, wherein the connecting plate material, the reinforcing plate material, and the deflection control plate material have substantially the same thickness. Any one of claims 8 to 12, wherein the four corners of the main body are chamfered to provide notches, and the notches are provided in the middle of both side edges of the main body. Floor base panel described in. 7. The floor base panel according to item 1. The floor joist or the receiving member is provided with a floor base panel, a receiving member provided on the joist or the base side when receiving the side edge portion of the floor base panel, and a support leg for receiving the corner portion of the floor base panel. And in the floor base structure formed by laying the floor base panels vertically and horizontally on the support legs.
The main body of the floor base panel has a substantially quadrilateral shape in a plan view, and a connecting plate material on which one side edge of another adjacent floor base panel can be placed and fixed is provided on the back surface of one side edge thereof.
A deflection control plate material is provided in the substantially central portion of the back surface of the floor base panel substantially parallel to the connecting plate material.
This deflection control plate material has an extension portion extending outward from the side edge of the main body portion of the floor base panel at the tip portion thereof.
The extension portion is arranged on the back surface of the side edge portion of another floor base panel laid adjacent to the floor base panel so as to be located on the base end side of the deflection control plate material provided on the back surface of the other floor base panel. Fixed,
As a result, the deflection control plate materials of the floor base panels laid vertically and horizontally are arranged in a row in the vertical or horizontal direction, and the rows are formed in a state where a plurality of rows are arranged side by side. The connecting plate material and the deflection control plate material provided on the floor base panel are fixed to other floor base panels with an adhesive and screws or nails, and the entire floor base panel laid vertically and horizontally and fixed is connected and fixed to one. The floor base structure according to claim 15, wherein the floor base structure is characterized in that. The floor base structure according to claim 15 or 16, wherein the width of the deflection control plate material is provided larger than the width of the connecting plate material. The floor base structure according to any one of claims 15 to 17, wherein the four corners of the main body are chamfered to provide a notch. The floor base structure according to any one of claims 15 to 18, wherein two or three bending control plate members are provided substantially parallel to the connecting plate material. The floor base structure according to any one of claims 15 to 19, wherein the height of the support legs can be adjusted up and down. The floor base structure according to any one of claims 15 to 20, wherein the base portion of the support leg is fixed to the foundation of the building. The thickness of the connecting plate material and the bending control plate material are substantially the same, and a heat insulating material having substantially the same thickness as the connecting plate material is provided on the back surface of the floor base panel on which the connecting plate material and the bending control plate material are not provided. The floor base structure according to any one of claims 15 to 21. The floor base structure according to claim 22, wherein the floor base structure is applied to a double floor structure of a multi-story building, and a soundproofing material is arranged in a space under the floor base panel. The floor base structure according to claim 15, wherein the floor base structure is formed by using the floor base panel according to claim 8 as the floor base panel. The floor base panel according to claim 1 and the floor base panel according to claim 8 are used in combination as the floor base panel, and the floor base panels according to claim 8 are arranged in a staggered manner in a staggered manner. The floor base structure according to claim 15. The floor joist or the receiving member is provided with a floor base panel, a receiving member provided on the joist or the base side when receiving the side edge portion of the floor base panel, and a support leg for receiving the corner portion of the floor base panel. And in the construction method of the floor base structure formed by laying the floor base panel vertically and horizontally on the support legs.
The main body of the floor base panel used as the floor base panel has a substantially quadrilateral shape in a plan view, and one side edge of another adjacent floor base panel is placed and fixed on the back surface of one side edge thereof. Provide a connecting plate material that can be used
A deflection control plate material is provided in the substantially central portion of the back surface of the floor base panel substantially parallel to the connecting plate material.
The deflection control plate material has an extension portion extending outward from the side edge of the main body portion of the floor base panel at the tip portion thereof.
The extension portion is arranged on the back surface of the side edge portion of another floor base panel laid adjacent to the floor base panel so as to be located on the base end side of the deflection control plate material provided on the back surface of the other floor base panel. Fixed and
As a result, the floor base panel is laid sequentially in the vertical direction or the horizontal direction and fixed so that the deflection control plate materials of the floor base panel are aligned in a row in the vertical direction or the horizontal direction, and the deflection control plate material is formed in the vertical direction or the horizontal direction. A method of constructing a floor base structure, which is characterized in that multiple rows are constructed in parallel in the horizontal direction. The connecting plate material and the deflection control plate material provided on the floor base panel are fixed to other floor base panels with an adhesive and screws or nails, and the entire floor base panel laid vertically and horizontally and fixed is connected and fixed to one. The method for constructing a floor base structure according to claim 26. The method for constructing a floor base structure according to claim 26 or 27, wherein the width of the deflection control plate material is made larger than the width of the connecting plate material. The method for constructing a floor base structure according to any one of claims 26 to 28, wherein the four corners of the main body of the floor base panel are chamfered to provide cutouts. The method for constructing a floor base structure according to any one of claims 26 to 29, wherein two or three deflection control plate materials are provided substantially parallel to the connecting plate material. The method for constructing a floor base structure according to any one of claims 26 to 30, wherein the base portion of the support leg is fixed to the foundation of the building by adhesive and / or screwing. A claim characterized in that the thicknesses of the connecting plate material and the bending control plate material are substantially the same, and a heat insulating material having substantially the same thickness as the connecting plate material is provided on the back surface of the floor base panel on which the connecting plate material and the bending control plate material are not provided. Item 8. The method for constructing a floor base structure according to any one of Items 26 to 31. The method for constructing a floor base structure according to claim 32, wherein the floor base structure is applied to a double floor structure of a multi-story building, and a soundproofing material is arranged in a space under the floor base panel. .. The method for constructing a floor base structure according to claim 26, wherein the floor base structure is formed by using the floor base panel according to claim 8 as the floor base panel. The floor base panel according to claim 1 and the floor base panel according to claim 8 are used in combination as the floor base panel, and the floor base panels according to claim 8 are arranged in a staggered manner in a staggered manner. The construction method of the floor base structure according to claim 26.

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