JP2001234603A - Structure of floor for concealing wiring and/or piping - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure of a floor for concealing wiring or the like, capable of keeping the floor load small, and being constructed at a low cost and in a short period. SOLUTION: A plurality of pre-cast concrete floor panels 3, 4 are installed to form a floor surface 9, and the concrete floor surface 9 is provided with grooves 12 (5, 6, 7) for passing wiring or the like. The groove is covered with a lid 8 bearing the treading pressure. The grooves 5 are formed simultaneously with forming of the pre-cast concrete floor panels 3, 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a floor structure for hiding wiring and the like.

[0002]

2. Description of the Related Art For example, on floors such as offices, O
As shown in FIG. 8, a concrete floor 5 is used to prevent electric wiring and communication wiring for the A-device and the like from being exposed on the floor.
An OA floor 52 is installed at a height position separated from the OA floor 52 by a predetermined dimension above the OA floor 52, and wiring and piping are passed through a space 53 between the OA floor 52 and the concrete floor surface 51. 54 is a tile carpet.

[0003]

However, the OA floor 52 itself has a considerable weight, and when the OA floor 52 is installed, a large load corresponding to the OA floor acts on the lower concrete floor 51 as a floor load. Therefore, it is necessary to design the strength of the lower concrete floor 51 in consideration of the fact.

Further, after the lower floor 51 is constructed,
Work must be performed to install the OA floor 52 over a wide area of the floor surface, which is costly and requires a long construction period.

[0005] In view of the above problems, the present invention can hide the wiring and / or piping, and can keep the floor load small. In addition, the construction can be performed at low cost and in a short construction period. An object of the present invention is to provide a floor structure that can be used.

[0006]

SUMMARY OF THE INVENTION The above-mentioned problem is solved by the following problem.
It is formed by installing one or more precast concrete floor panels, and on this concrete floor surface,
The problem is solved by a floor structure concealing wiring and / or piping, characterized in that a groove is provided for passing wiring and / or piping, and the groove is closed by a lid that withstands treading pressure.

In this floor structure, wiring and / or piping can be concealed by passing wiring and / or piping through a groove provided on the floor and closing the groove with a lid. Moreover, since the structure is such that the groove provided on the floor surface is merely closed with the lid, the structure in which the wiring and / or the piping is hidden does not increase the floor load. In addition, construction requires only installation of precast concrete floor panels to form the floor, and closing the grooves provided on the floor with a lid, so that construction can be performed at low cost and with a short construction period. it can.

When the groove is provided on the upper surface of the floor panel and the groove is formed by simultaneous molding at the time of forming the precast concrete floor panel, the floor panel having the groove can be easily manufactured. .

When the floor is constructed by laying a plurality of precast concrete floor panels and a groove is formed at a boundary between the floor panels, a decrease in the strength of the floor panel due to the provision of the groove is suppressed. be able to.

In the case where notches are formed in the periphery of the precast concrete floor panel, and the grooves are formed by combining notches at the boundary between adjacent floor panels, the corners are not supported during transportation of the precast concrete floor panel. Can be prevented from being chipped. When the notch is formed by simultaneous molding at the time of forming the precast concrete floor panel, a floor panel having the notch can be easily manufactured.

When adjacent precast concrete floor panels are installed at predetermined intervals and the grooves are formed by providing a bottom material between the floor panels, it is easy to form the grooves on the concrete floor surface. It can be carried out.
Moreover, a groove having a large depth dimension can be formed without reducing the strength of the floor panel.

A groove is formed at the boundary between the floor panels and the upper surface of the floor panel, and the depth dimension of all or a part of the groove formed at the boundary between the floor panels is formed at the upper surface of the floor panel. If the depth of the groove is larger than the depth of the groove, the groove having the larger depth has more wiring and / or wiring than the groove having the smaller depth.
Alternatively, a pipe can be passed, and the groove can be used properly. Moreover, since the groove having a large depth is formed at the boundary between the floor panels, the strength of the floor panel is not reduced.

[0013]

Next, embodiments of the present invention will be described with reference to the drawings.

In the floor structure of the first embodiment shown in FIGS. 1 to 7, 1 is a floor beam, 2 is a connecting material, 3 is a first floor panel, 4 is a second floor panel, 9 Is a floor surface, 5 and 6 are first grooves having a small depth dimension, and 7 is a second groove having a large depth dimension.
The groove 8 is a lid. The floor surface 9 is formed by installing floor panels 3,.

Each of the first and second floor panels 3 and 4 is made of a precast concrete slab. For example, ALC
A plate or the like is suitably used as the floor panels 3 and 4.

As shown in FIGS. 1 to 3, each of the floor panels 3 and 4 has a rectangular shape in plan view, and the lengths of the long sides are set to be the same. The length of the side is set such that the second floor panel 4 is slightly shorter than the first floor panel 3. Specifically, the first floor panel 3 has a long side with a length dimension of, for example, 1810 mm.
Then, the length dimension of the short side is set to, for example, 500 mm. Further, the second floor panel 4 has a short side length set to, for example, 390 mm. Each of the thickness dimensions is set to, for example, 125 mm.

In each of the floor panels 3 and 4 described above, the wiring is hidden on the upper surface of each of the upper and lower ends of the floor panels 3 and 4 by approximately 1/4 of the length of the long side from each position in the long side direction. The first grooves 5, 5 having a trapezoidal inverted trapezoid shape are formed so as to extend from one end to the other in the short side direction. The depth dimension of the groove 5 is, for example, 30 mm.

Notches 10 are provided at both ends in the short side direction of the first floor panel 3 and one end in the short side direction of the second floor panel, respectively. It is formed so as to extend from the end to the end. Notch 10
Two notches 10, with the long sides of the floor panel next to each other,
A combination of 10 is used to form an inverted isosceles trapezoidal first groove 6 having a small depth dimension at the boundary between the panels, and the depth dimension is the same as that of the first groove 5 described above. It is set to have a depth dimension.

On the other hand, at the other end of the second floor panel 4 in the short side direction, a recess 11 for receiving the connecting member 2 as a bottom member is formed on the lower surface side thereof from the end in the long side direction. It is formed so as to extend all the way through. This side is the second
To form the groove 7 of FIG.

In the first and second precast concrete floor panels 3 and 4, the first grooves 5,..., Notches 10,... It is formed by molding.

The floor is composed of the first and second floor panels 3.
4 are installed on floor beams 1.
The floor beams 1 are made of an H-shaped steel having upper and lower flanges and a web connecting these flanges, and as shown in FIG. 5, intervals corresponding to the lengths of the floor panels 3 and 4 in the long side direction. A plurality or a large number of them are set in parallel with each other. Each floor panel 3,..., 4 is installed on the floor beams 1 by supporting the lower surfaces at both ends in the long side direction on the upper flanges of two adjacent floor beams 1, 1. I have.

In this embodiment, each floor panel 3,...
Are installed on the floor beams 1 in a manner as shown in FIG. That is, as shown in FIG. 5, the connecting member 2 made of a lip channel steel has the opening between the lips facing upward and the floor beams 1.
, And is supported from below by the upper flange of the floor beam 1 and is passed between the floor beams 1. Then, as shown in FIG. 1, the second floor panels 4, 4 are arranged at predetermined intervals such that the sides on the side where the recesses 11, 11 are located face the sides sandwiching the joining material 2. is set up. As a result, a second groove 7 having a large depth is formed between the second floor panels 4, 4, using the connecting material 2 as a bottom material. The second groove 7 is extended by installing the second floor panels 4 and 4 in the same manner in the long side direction.

The first floor panels 3 are installed in close proximity to both outer sides in the short side direction of the second floor panels 4,..., And the first and second floor panels 3, 4 are arranged. In between, notch 1
The first groove 6 is formed by a combination of 0 and 10. By installing the first or second panel further outside these first floor panels 3,...
It goes without saying that the number of the first grooves 6 can be increased by the combination of 0 and 10.

The first and second floor panels 3
By the installation of..., 4, the first grooves 5, 5 provided on the upper surface of each floor panel 3, 4, and extending in the short side direction are also connected to each other between floor panels adjacent in the short side direction. Thus, by installing the first and second floor panels 3,.
A floor surface 9 is formed. At the same time, the first grooves 5..., 6.
Are formed on the floor surface.

The wiring 13 is passed through the lattice-shaped groove 12 thus formed. The wiring 13 is shown in FIGS. The wiring 13 can be freely passed through, for example, the wiring 13 passing through the first grooves 5 and 6 having a small depth dimension.
May be joined to the second groove 7 having a large depth dimension, and then passed through the second groove 7. In addition, by drilling a hole in the connecting material 2, it is possible to pass the wiring 13 through the second groove 7 behind the ceiling or downstairs.

After the wiring 13 is set in the groove 12,
With lid 8. Thereby, the wiring 13 can be hidden. In addition, the lid 8 is closed without passing the wiring, and
It goes without saying that the wiring work may be performed by opening the door.

The lid 8 is made of a plate-like material that can withstand tread pressure, and is formed of, for example, a resin such as polypropylene, a metal such as aluminum, wood, or a composite material thereof. And the width dimension of the lid 8 is
The lid 8 is designed to be larger than the width dimension of the upper end openings of the grooves 6, 7, and is formed in shallow recesses 14, 14 for positioning formed on both sides of the upper end openings of the grooves 5, 6, 7, respectively. Both ends in the width direction are fitted in a positioning state. The depth dimension of the recess 14 is set to be substantially the same as the thickness dimension of the lid 8, and is designed so that the floor 9 is finished flat by fitting the lid 8. The lid positioning recesses 14 are also formed by simultaneous molding when the floor panels 3 and 4 are manufactured and molded.

In the present embodiment, since the grooves 12 are provided on the floor surface 9 in a lattice pattern as described above, as shown in FIGS. The groove 12 is closed by using a lid member 8a having a cross shape in a plan view and a linear lid member 8b for a straight portion disposed in a groove between the intersecting portion lid members 8a. Thus, by closing the intersection of the lattice-shaped grooves 12 with the cross-shaped lid member 8a,
The intersection of the grooves 12 can be easily closed. Also,
By closing the lattice-shaped groove 12 by combining the cross-shaped lid member 8a and the linear portion lid member 8b, the lid member can be standardized, and the lid members 8a and 8b can be standardized.
It is possible to easily perform production, storage, transportation, and construction.

Finally, as a finish, a tile carpet 15 or the like may be laid on the floor 9 as shown in FIGS.

In the above-mentioned floor structure, floor panels 3,..., 4 are installed on floor beams 1 to form a floor surface.
Since the grid-like wiring grooves 12 formed on the floor 9 by the installation of...
Unlike the conventional case of installing a floor, the floor load is not increased, and the construction can be performed at low cost and with a short construction period.

Although the embodiment of the present invention has been described above, the present invention is not limited to this, and various modifications can be made without departing from the spirit of the invention. For example, the cross-sectional shape of the groove formed on the floor surface may be various, and the lid for closing the groove is not limited to a plate-like one, and the tips of both legs are brought into contact with the bottom surface of the groove to support the groove bottom. It may have various cross-sectional shapes such as a channel shape. In addition, the planar shape of the groove is not limited to the linear lattice shape as described above, and may be a curved lattice shape, a lattice shape combining a straight line and a curve, or a vertical or horizontal shape. Alternatively, the groove may be a groove other than a lattice oriented only in one of the oblique directions. In the case of a narrow floor, a single precast concrete floor panel having a lattice-shaped groove on the upper surface may be installed, and the floor may be closed with a lid. When the floor panel is a rectangular one and a notch is provided in a peripheral portion, a floor panel provided with notches on all four sides thereof may be used, In short, when the cutout is provided, the cutout may be provided on a part or all of the peripheral edge of the panel regardless of whether it is a rectangular panel or not. Further, the groove is not limited to the wiring, and may be used as a groove for passing various pipes such as a plumbing pipe, a gas pipe, and a pipe for floor heating. Moreover, what consists of various precast concrete plates other than an ALC plate may be used as a floor panel.

[0032]

As described above, according to the present invention, as described above, the wiring and / or piping can be hidden, the floor load can be reduced, and the cost can be reduced. And it can be constructed in a short construction period.

[Brief description of the drawings]

FIG. 1 is a plan view showing a floor structure according to an embodiment, showing a state before a lid is attached.

FIGS. 2A and 2B are perspective views of floor panels, respectively.

FIG. 3 is a perspective view showing a floor panel and a lid in a separated state.

FIG. 4 is a plan view showing a state where a lid is installed.

FIG. 5 is a plan view showing a state before floor panel installation.

6A is a cross-sectional view taken along the line II of FIG. 1, and FIG. 6B is an enlarged cross-sectional view of a portion A in FIG.

7A is a cross-sectional view taken along line II-II of FIG. 1, FIG. 7B is an enlarged cross-sectional view of a portion B of FIG. 7A, and FIG. 7C is an enlarged view of a C portion of FIG. It is sectional drawing.

FIG. 8 is a sectional side view showing a conventional floor structure.

[Explanation of symbols]

3 1st floor panel (precast concrete floor panel) 4 2nd floor panel (precast concrete floor panel) 5, 6 1st groove (shallow groove through which wiring passes) 7 2nd groove (wiring 8 ... lid 9 ... floor 10 ... notch 12 ... groove (groove to pass wiring)

Claims (6)

[Claims] The floor is formed by installing one or more precast concrete floor panels, and the concrete floor is provided with a groove for passing wiring and / or piping. A floor structure for concealing wiring and / or piping, wherein the groove is closed by a lid that withstands tread pressure. 2. The floor for concealing wiring and / or piping according to claim 1, wherein a groove is provided on the upper surface of the floor panel, and the groove is formed by simultaneous molding when forming the precast concrete floor panel. Structure. 3. The wiring and / or pipe according to claim 1, wherein the floor is formed by laying a plurality of precast concrete floor panels, and a groove is formed at a boundary between the floor panels. Concealed floor structure. 4. A notch is formed in a peripheral portion of the precast concrete floor panel, and a groove is formed by combining notches at a boundary between adjacent floor panels,
The notch is formed by simultaneous molding when forming the precast concrete floor panel.
The floor structure that hides the wiring and / or piping described in 3. 5. The wiring and / or piping according to claim 3, wherein adjacent precast concrete floor panels are installed at a predetermined interval, and the groove is formed by providing a bottom material between the floor panels. Concealed floor structure. 6. A groove is formed at a boundary between floor panels and an upper surface of the floor panel, and the depth dimension of all or a part of the groove formed at the boundary between floor panels is equal to the upper surface of the floor panel. The floor structure for hiding wiring and / or piping according to claim 1, wherein the depth of the groove is larger than the depth dimension of the groove formed on the floor.