JP2002294856A - Balcony floor structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve drainability without forming a gradient for a floor surface of a balcony. SOLUTION: In this balcony floor structure, a waterproof layer 21 is arranged on a floor backing 14, and an almost flat water retentive floor finishing layer 22 is arrange on the waterproof layer 21.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a balcony floor structure.

[0002]

2. Description of the Related Art A conventional balcony floor structure is disclosed in
As described in Japanese Patent Publication No. 2136, a slope is provided on the floor surface, and a drain port is provided at the bottom of the slope.

[0003]

The prior art has the following problems. If the slope of the floor is too steep, walking feeling is poor, and if it is loose, smooth drainage is not possible.

[0004] With respect to the horizontal draining material below the handrail wall provided on the outer periphery of the balcony, the sloped floor surface is not parallel but slanted, deteriorating the design.

[0005] The floor above the balcony is raised,
It is necessary to avoid interfering with the lower level of the opening of the living room, and there is a limit in the degree of freedom of the plan of the balcony.

[0006] As the opening of the living room facing the balcony,
When two or more openings having different depths are arranged side by side or two or more openings having different directions are adjacent to each other, a step is generated on the floor surface of the balcony.

[0007] It is an object of the present invention to improve water treatment performance without making a gradient on the floor of a balcony.

[0008]

The invention according to claim 1 is a balcony floor structure in which a waterproof layer is provided on a floor base, and a floor finish layer having a substantially flat water retention property is provided on the waterproof layer.

According to a second aspect of the present invention, in the first aspect of the present invention, the floor base further comprises a substantially flat floor plate supported by horizontal floor beams.

According to a third aspect of the present invention, in the second aspect of the present invention, the floor plate is further supported between the opposing floor girders and on the small girder bridged between the floor girders. It is.

According to a fourth aspect of the present invention, in any one of the first to third aspects of the present invention, a drain port is further connected to the floor finishing layer.

In the present invention, substantially flat means 0 to 1/15.
It means about 0 gradient.

[0013]

According to the first aspect of the present invention, the following effects are obtained. The floor finish layer of the balcony is almost flat, and there is no gradient. And, since the floor finish layer is provided on the waterproof layer and has water retention, rain water is completely taken in by this floor finish layer and water is retained, and the water rises on the floor surface or the foot is stomped on. Water does not erupt, and the retained water later evaporates spontaneously, thereby improving water treatment properties.

When the floor finishing layer is made of substantially flat water permeability instead of substantially flat water retention, a certain amount of water is generated in the water permeable layer due to the substantially flat surface, which causes odor, There is a possibility that inconveniences such as spouting of water on the floor surface due to stepping on the walking may occur.

The drainage of rainwater from the balcony can be reduced by the water retention effect of the floor finishing layer, thereby contributing to flood control.
It is possible to improve the livability of the room directly below due to the latent heat of evaporation.

By making the floor finish layer substantially flat,
Walking feeling can be improved. The horizontal drainage material below the handrail wall provided on the outer periphery of the balcony and the substantially flat floor finishing layer are parallel to each other, improving the design.

A constant level difference can always be secured between the substantially flat floor finishing layer of the balcony and the lower end level of the opening of the living room, so that the degree of freedom of the balcony plan can be increased.

Even when two or more openings having different depths are arranged side by side or two or more openings having different directions are adjacent to each other as openings of the living room facing the balcony, a step is formed on the floor finishing layer of the balcony. Does not occur.

According to the second aspect of the invention, the following effects are obtained. Since the floor base is made of a substantially flat floor plate supported by horizontal floor beams, it is easy to substantially flatten the floor finishing layer provided on the floor base via the waterproof layer.

According to the third aspect of the invention, the following effects are obtained. The floorboard constituting the floor base is provided between the opposing floor girders, and the floor finish layer is provided on the floor base via a waterproof layer. Therefore, the level of the floor finish layer is set lower than the floor girders. Can be. Therefore, the floor finish layer of the balcony,
A relatively large step can be easily secured between the lower end levels of the openings of the living room.

According to the fourth aspect of the present invention, the following operations are provided. By connecting the drainage port to the floor finishing layer, drainage can be naturally avoided when the water holding capacity of the floor finishing layer reaches its limit, and water treatment performance can be improved.

[0022]

1 is a sectional view showing a balcony floor structure of a first embodiment, FIG. 2 is a perspective view showing components of the balcony floor structure, and FIG. 3 shows a balcony floor structure of a second embodiment. FIG. 4 is a sectional view showing a balcony floor structure of the third embodiment, and FIG. 5 is a sectional view showing a balcony floor structure of the fourth embodiment.

(First Embodiment) (FIGS. 1 and 2) FIG. 1 shows an example in which a balcony floor structure of the present invention is applied to a steel structure building such as a unit building, and a unit building 1 is formed by joining a plurality of building units. Then, the balcony unit 10 is mounted on some lower-floor building units, and the balcony 10
A is constructed.

As shown in FIG. 1 and FIG. 2, the balcony unit 10 is a floor frame formed by framing a floor girder 11 made of four C-shaped steels, I-shaped steels, lip-shaped steels and the like in a horizontal plane. A plurality of small beams 12 are horizontally laid over the lower half side of the web of the opposing floor girders 11 via bonding hardware 11A.
Between the upper half of the web of the opposing floor girder 11 and the girder 1
A floor plate 13 having a constant thickness is horizontally supported on the base 2, and the floor plate 13 forms a substantially flat floor base 14. Floorboard 13
It is preferable to use a fiber reinforced cement board, a hollow extruded cement board or a PC concrete board having a small deflection.

The floorboard 13 (floor base 14) is supported on floor beams, such as the large beams 11 and the small beams 12, which support the floor load as described above. When a joist is provided on the floor, the floor plate 13 (floor foundation 14) is
1. The small beams 12 may be supported on floor beams composed of and joists. Further, when the small beam 12 (and joist) and the floor plate 13 (floor base 14) are provided between the webs of the opposing large beams 11, the small beams 12 (and joists) are within the range of the beam back of the large beams 11. A floor plate 13 whose upper end is disposed below the upper end of the web of the floor girders 11 and is supported on the small joists 12 (and joists)
The upper surface of the (floor foundation 14) is set at a level equal to or higher than the upper end of the web of the floor girders 11.

In the balcony unit 10, a waist wall handrail column 15 is erected along the floor girder 11, and a waist wall member 16 and a wall drain drain 17 continuous with the lower end thereof are provided inside the handrail column 15, An outer wall 18 connected to the lower-floor building unit is provided outside the pillar 15.

The balcony unit 10 is provided with a heat insulating material 19 such as polystyrene on the floor plate 13, and provided thereon a waterproof layer 21 such as sheet waterproofing or coating film waterproofing. A floor finishing layer 22 having a water retention of about (0 to 1/150 gradient) is laid.

The floor finishing layer 22 is formed by laying an inorganic material having a water-retaining capacity in its own void, as represented by a water-retaining ceramic tile, with no gaps over the entire surface. The thickness of the floor finishing layer 22 is preferably about 20 to 100 mm, and is preferably a standard material form. Further, in order to lay the floor finishing layer 22 uniformly, an attachment may be provided below the material.

The waterproof layer 21 is provided with a vertical rising portion 21A along the balcony outer peripheral base 23 along the floor girder 11, and the upper end of the rising portion 21A is higher than the upper surface of the floor finishing layer 22 by the drain drain 17 under the wall. It extends to the back side. Further, the floor finish layer 22 having water retention may be composed of a plurality of types of members.

According to the present embodiment, the following operations are provided. The floor finishing layer 22 of the balcony 10A is made substantially flat and does not have a gradient. Since the floor finishing layer 22 is provided on the waterproof layer 21 and also has water retention, rainwater is completely taken in the floor finishing layer 22 by a certain amount to retain the water, and water may float on the floor surface. In addition, the water that has been retained does not spout due to stepping on the foot, and the retained water later evaporates spontaneously, thereby improving the water treatment property.

The water retention effect of the floor finishing layer 22 can reduce the drainage of rainwater from the balcony 10A, thereby contributing to flood control, and improve the livability of the living room directly below due to the latent heat of evaporation.

The walking feeling can be improved by making the floor finishing layer 22 substantially flat. The horizontal draining material below the handrail wall provided on the outer periphery of the balcony 10A and the substantially flat floor finishing layer 22 are parallel to each other, improving the design.

A constant level difference can always be secured between the substantially flat floor finishing layer 22 of the balcony 10A and the lower end level of the opening of the living room, and the degree of freedom in planning the balcony 10A can be increased.

Even when two or more openings having different depths are arranged side by side or two or more openings having different directions are adjacent to each other as openings of the living room facing the balcony 10A, the floor finishing layer of the balcony 10A is also provided. No step is formed on 22.

Since the floor substrate 14 is composed of a substantially flat floor plate 13 supported by horizontal floor beams, the floor finishing layer 22 provided on the floor substrate 14 with the waterproof layer 21 interposed therebetween is substantially flat. Construction becomes easy.

The floorboard 13 constituting the floor base 14 is provided between the opposing floor girders 11, and the floor finish layer 22 is provided on the floor base 14 with the waterproof layer 21 interposed therebetween. The level 22 can be made lower than the floor girders 11. Therefore, the floor finishing layer 22 of the balcony 10A
In addition, a relatively large step can be easily secured between the lower end level of the opening of the living room.

(Second Embodiment) (FIG. 3) The second embodiment of FIG. 3 is different from the first embodiment in that a small beam 12 is horizontally extended between webs The floor plate 13 (floor base 14) is horizontally supported on the beam 12, and the waterproof layer 21 and the floor finish layer 22 are laid on the floor plate 13 (floor base 14) without the intermediary of the heat insulating material 19.

(Third Embodiment) (FIG. 4) The third embodiment of FIG. 4 differs from the first embodiment in that the floor finishing layer 22 has a limited water holding capacity in case the floor finishing layer 22 has a limit. To the drain outlet 32 of the gutter 31. The drain port 32 is provided on the vertical rising portion 21 of the waterproof layer 21.
Below A, it is arrange | positioned in the position facing the outer edge of the floor finishing layer 22, and can be provided in several positions with a fixed space | interval. The drain outlet 32 is viewed from the inside of the balcony 10A,
It is preferable to provide the floor finishing layer 22 at a height such that it is completely hidden by the floor finishing layer 22 or about half of the opening area thereof is hidden. Gutter 3
1 is arranged sideways so as to penetrate the handrail pillar 15 and the outer wall 18 outward.

By connecting the drain port 32 to the floor finishing layer 22, drainage can be started naturally when the water holding capacity of the floor finishing layer 22 reaches its limit, and the water treatment property can be improved.

(Fourth Embodiment) (FIG. 5) The fourth embodiment of FIG. 5 is different from the third embodiment in that
One drain port 32 is located at a position facing the lower surface of the floor finishing layer 22. The gutter 31 penetrates the floor plate 13, passes over the eave ceiling (or lower floor ceiling) 33, and is installed downward so as to penetrate the outer wall 18 outward.

Although the embodiments of the present invention have been described in detail with reference to the drawings, the specific structure of the present invention is not limited to the embodiments, and the design may be changed without departing from the scope of the present invention. The present invention is included in the present invention. For example, the balcony floor structure of the present invention can be applied to an RC structure building or an SRC structure building, and can lay a waterproof layer and a water-retaining floor finish layer on a substantially flat floor slab (floor foundation). still,
Insulation may be provided between the floor slab and the waterproof layer.

[0042]

As described above, according to the present invention, the water treatment performance can be improved without taking a gradient on the floor of the balcony.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a balcony floor structure according to a first embodiment.

FIG. 2 is a perspective view showing components of a balcony floor structure.

FIG. 3 is a sectional view showing a balcony floor structure according to a second embodiment.

FIG. 4 is a sectional view showing a balcony floor structure according to a third embodiment.

FIG. 5 is a sectional view showing a balcony floor structure according to a fourth embodiment.

[Explanation of symbols]

 10A Balcony 11 Floor girders 12 Beams 13 Floorboard 14 Floor base 21 Waterproof layer 22 Floor finish layer 32 Drainage outlet

Claims (4)

[Claims] 1. A balcony floor structure in which a waterproof layer is provided on a floor base and a substantially flat water-retaining floor finish layer is provided on the waterproof layer. 2. The balcony floor structure according to claim 1, wherein the floor base comprises a substantially flat floor plate supported by horizontal floor beams. 3. The balcony floor structure according to claim 2, wherein said floorboard is supported between opposing floor girders and on small beams spanned by said floor girders. 4. The balcony floor structure according to claim 1, wherein a drain outlet is connected to the floor finishing layer.