JPH05163786A - Floor structure of building - Google Patents

Abstract

PURPOSE:To constitute the floor structure simply at a low cost and endow it with heat insulating and sound isolating effects and obtain the floor structure of a building suitable for industrialization. CONSTITUTION:A lightweight cellular concrete panel (ALC) is provided in a horizontal direction between lower beams 1 and 1 of which a floor of a building is constituted. At that time, the upper surface of the ALC is lower than the upper surfaces of the lower beams 1. A piping mounting member 5 constituted of a lower layer section 5A and a projection 5B for bearing a flooring 24 extended upward therefrom is fixed to the upper surface of the ALC. A groove section 5C is provided between the piping mounting member 5 and the projection 5B, and the groove section 5C is used for a piping space. The flooring 24 is mounted to the upper surface of the piping mounting member 5 to form floor structure A of the building.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor structure of a building, and more particularly to a floor structure of a building for which a fireproof structure is required in an apartment house or the like.

[0002]

BACKGROUND ART FIG. 5 is a perspective view showing partial details of an example in which a general building unit 20 is, for example, a toilet equipped with piping for water supply and drainage. According to it, the building unit 20 has four pillars 21 at four corners.
It is manufactured by attaching a wall material, a floor material 24, a ceiling material, etc. at a factory to a frame formed by connecting the upper and lower ends of a pillar 21 with four upper beams and four lower beams 1. Such a building unit 20
However, a fireproof structure is required when combined as an apartment such as an apartment house. In the floor structure A of the building in that case, as shown in FIG. 5, a lightweight cellular concrete panel (hereinafter, referred to as ALC) 4 is attached to the upper surface of the lower beam 1 which constitutes the building unit 20.
A floor material 24 such as a particle board is provided on the upper surface of 4 through a wood joist 25. The space formed by the tree joists 25 is a piping space S, and the piping such as the drain pipe from the toilet bowl 26 provided in the toilet is arranged in the piping space S.

[0003]

However, in the conventional floor structure A, a certain level of skill is required for combining the wood joists 25 and it takes time, and therefore the cost is also high. Was there. Therefore, it is not suitable for production in a production line of a building unit of a factory, and there is a problem that industrialization is hindered.

An object of the present invention is to provide a floor structure of a building which is simple and inexpensive to construct, has heat insulating and soundproof effects, and is suitable for industrialization.

[0005]

Therefore, the present invention provides a floor structure of a building in which a lower beam forming a floor of a building is provided with a refractory material, and a piping space is formed between the refractory material and the floor material,
The refractory material is provided such that its upper surface is lower than the upper surface of the lower beam, and between the refractory material and the floor material, a lower layer portion that is in contact with the upper surface of the refractory material and a predetermined spacing position on the upper surface of the lower layer portion. A floor structure of a building having a plurality of projecting portions integrally projecting and supporting the floor material from the lower surface, and providing a pipe mounting member made of Styrofoam in which the pipe space is between the projecting portions. It is what

[0006]

According to the present invention as described above, the refractory material is provided on the lower beam constituting the floor of the building so that the upper surface of the lower beam is lower than the upper surface of the lower beam. On the upper surface of this refractory material, a pipe mounting member made of styrofoam whose lower layer portion is in contact with the upper surface of the refractory material is provided, and the piping is arranged in a piping space formed inside this pipe mounting member. Since the pipe mounting member is made of Styrofoam, it can be easily transported and handled, and the piping space can be easily manufactured. In addition, since the lower beams that make up the floor are provided with a refractory material, this refractory material separates the floor from above and below the floor. Is enough. Furthermore, since the upper surface of the refractory material is lower than the upper surface of the lower beam, a large piping space can be secured, and therefore,
It is possible to install even large pipes such as sewer pipes,
The above-mentioned objects are achieved by these.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a cross section of a main part of a floor structure of a building according to this embodiment. Here, the same members as those of the conventional floor structure A are designated by the same reference numerals, and the description thereof will be omitted or simplified. As shown in the figure, the floor structure A of the building has an ALC 4 as a refractory material attached to the lower beam 1 that constitutes the building unit 20, and a pipe attachment member 5 made of expanded polystyrene attached on the ALC 4.
And is configured.

[0008] Opposing lower beams 1 of such a building unit
Inside the flange surface of the bracket, a bracket 2 with a substantially C-shaped cross section
Is fixed on the web surface of the bracket 2.
A receiving member 3 having an L-shaped cross section is fixed by, for example, welding. The L-shaped vertical surface of the receiving member 3 is attached back-to-back to the web surface of the bracket 2, and the L-shaped horizontal portion of the receiving member 3 is attached so as to be located substantially at the bottom of the bracket 2. The receiving member 3 is cut into a predetermined length in the direction along the bracket 2 and is arranged at equal intervals on the bracket 2.
The ALC 4 is horizontally mounted on the receiving member 3 and is fixed by mounting bolts or the like not shown. This ALC4
Is formed to have a width and a depth that are substantially equal to the inside dimension of the lower beam 1 facing each other, and has a predetermined thickness. The upper surface of the ALC 4 is arranged at a position lower than the upper surface of the lower beam 1.

On the upper surface of such an ALC 4, a pipe mounting member 5 made of styrofoam is provided and fixed by, for example, adhesion. This pipe mounting member 5
Has a flat surface of substantially the same size as the ALC 4, and is formed to a predetermined thickness thicker than the ALC 4.
The lower layer portion 5A is in contact with the upper surface of the ALC 4, and the protruding portion 5B is provided so as to project upward from the lower layer portion 5A. As shown in FIG. 2, the protrusion 5B is formed by forming two continuous cross-shaped grooves 5C inside the pipe mounting member 5 so as to support the floor member 24. In addition, the inside of the groove 5C serves as a piping space, and various pipes 7 for supply and drainage made of, for example, a PVC pipe, such as a large diameter 7A, a medium diameter 7B, and a small diameter 7C, are installed in the piping space. .. Here, the upper surface of the lower beam 1 and the upper surface of the pipe mounting member 5 are
A predetermined height H is secured.

A refractory material 8 is attached to the clearance between the pipe mounting member 5 and the bracket 2 and the upper surface of the lower beam 1, and a refractory material 9 is also attached to the lower surface of the receiving member 3. As the refractory material 9, for example, asbestos rock wool, asbestos calcium silicate, or ceramic material is used.

On the upper surface of the pipe mounting member 5,
The lower surface is supported by the mounting member 5, and the end is joisted.
A floor material 24 supported by 10 and formed of, for example, a particle board or the like is attached.

According to this embodiment as described above, the following effects can be obtained. That is, in the floor structure A of the present embodiment, the ALC 4 as a refractory material is provided between the lower beams 1 constituting the building, and the ALC 4 separates the floor from above and below the floor. The fireproof material can prevent the spread of fire and the fire protection is sufficient.

Further, since the pipe mounting member 5 is made of styrofoam, it can be easily transported and handled and the piping space can be manufactured easily. Therefore, the pipe mounting member 5 can be incorporated into a production line at a factory and a floor structure A suitable for industrialization can be obtained. it can. Further, since the pipe mounting member 5 is made of styrofoam, the accuracy of the product is stable, and since the floor material 24 is attached to the upper surface thereof, the floor structure A with stable accuracy is obtained. Further, since the piping space can be easily manufactured, there is an effect that even complicated piping can be easily dealt with.

Furthermore, the lower layer portion 5A of the pipe mounting member 5
Since the entire surface is in contact with the upper surface of the ALC 4, it has a heat insulating and soundproofing effect.

Further, in this embodiment, since the upper surface of the ALC 4 is attached so as to be lower than the upper surface of the lower beam 1,
The pipe mounting member 5 can have a large thickness, and therefore the piping space inside the pipe mounting member 5 can be deepened. As a result, for example, it is possible to install a large-diameter pipe such as a sewer pipe and also to provide a downward slope such as a drain pipe.

The present invention is not limited to the above-mentioned embodiment, but includes the following modifications and the like. That is, in the above-described embodiment, the shapes of the protrusion 5B and the groove 5C of the pipe mounting member 5 are formed by forming two continuous grooves 5C having a substantially cross shape. The shape may be as shown in FIGS. According to this embodiment, the pipe mounting member 15 has the lower layer portion 15A.
And a cylindrical projection 15B that is integrally formed with the lower layer portion 15A and that extends upward from the lower layer portion 15A and that supports the floor material 24 at predetermined intervals. A groove portion 15C is formed between the protrusions 15B and serves as a piping space. Even with this configuration, the above-described effects can be obtained.

In addition, the specific structure, shape, and the like for carrying out the present invention may be any other structure as long as the object of the present invention can be achieved.

[0018]

As described above, according to the floor structure of a building of the present invention, it is possible to construct a floor structure of a building which is simple and low in cost, has a heat insulating effect, and is suitable for industrialization. ..

[Brief description of drawings]

FIG. 1 is a sectional view of an essential part showing an embodiment of a floor structure of a building according to the present invention.

FIG. 2 is a plan view of a pipe mounting member.

FIG. 3 is a plan view of a modified example of the pipe mounting member.

FIG. 4 is a front view of the modified example.

FIG. 5 is a perspective view showing a floor structure of a conventional building.

[Explanation of symbols]

 1 Lower beam 4 Lightweight cellular concrete panel (fireproof material) 5 Piping mounting member 5A Lower layer 5B Projection 5C Groove (piping space) 6 Flooring 7 Piping

Claims (1)

[Claims] 1. A floor structure of a building, wherein a lower beam constituting a floor of a building is provided with a refractory material, and a piping space is formed between the refractory material and the floor material, wherein the upper surface of the refractory material is the lower beam. Is provided so as to be lower than the upper surface of the refractory material, and between the refractory material and the floor material, the lower layer portion in contact with the upper surface of the refractory material and the floor material integrally projected on the upper surface of the lower layer portion at predetermined intervals. A floor structure of a building having a plurality of projecting portions which are supported from the lower surface, and a pipe mounting member made of styrofoam provided with the pipe space between the projecting portions.