JP3320935B2 - Drainage structure of unit building - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drainage structure for a unit building. More specifically, the present invention relates to a drainage structure of a unit-type building having a floor on which rainwater or the like is poured and a plurality of accessory units having different depth dimensions arranged side by side to form a balcony or an outer corridor.

[0002]

BACKGROUND ART In a unit construction method in which various units manufactured in a factory are transported to a building site and assembled there to build a unit-type building, a balcony unit and an outer corridor unit are juxtaposed around a main body composed of a plurality of living room units. Balconies and outside corridors are being constructed. Conventionally, rainwater etc. falls on the floor of accessory units such as the Balconi unit and the outside corridor unit,
A structure for collecting and draining the rainwater is provided. For example, the floor of a conventional balcony unit has a water gradient in which the side in contact with the building body side is on the water side, and is gradually inclined downward toward the eaves side.

[0003]

However, as shown in FIG. 6, a plurality of balcony units 1 having different depth dimensions are used.
When the balcony 104 is constructed by arranging the 05A and 105B side by side, there is a problem that a step 117 is generated between the floors 113A and 113B of the side-by-side balcony units 105A and 105B. That is, the conventional balcony unit 1
In the case of 05A and 105B, as shown in FIG. 7, the height levels of the floors 113A and 113B on the building body 1 side are the same, and the height levels of the floors 113A and 113B on the eaves side are the same. The floor 113A, 113
Since the water gradient of B is changed in accordance with the depth dimension, when the balcony units 105A and 105B having different depth dimensions are arranged side by side, there is a problem that a step 117 occurs between the floors 113A and 113B.

SUMMARY OF THE INVENTION An object of the present invention is to solve such a conventional problem. Even when an auxiliary unit such as a balcony unit or an outer corridor unit is arranged in parallel to form a balcony or an outer corridor, the attached unit is arranged in parallel. An object of the present invention is to provide a drainage structure for a unit-type building in which a step is not generated between floors.

[0005]

According to the present invention, there is provided a drainage structure for a unit-type building, which has a floor on which rainwater or the like is poured and a plurality of accessory units having different depth dimensions are arranged side by side. In the drainage structure of a unit-type building including a corridor or the like, the plurality of attached units each have the same water gradient on the floor, and the same height level of the floor at the end of the building body. To the girder direction perpendicular to the depth direction.
Dimensions different from each other and upstream of the water gradient downstream of the floor
Independent drainage with water gradient along the girder side
Each of these drains has the same depth.
The drain pipe for horizontal drainage is formed from the deepest part of each attached unit.
It is characterized in that it protrudes outside the unit.

In the present invention, the plurality of accessory units are provided.
Means that the height dimension is the same and the upper end face is the same height
It is good also as composition provided with each handrail wall attached to a position .

[0007]

According to the drainage structure of the present invention, rainwater or the like that falls on the floor of each accessory unit is drained according to the water gradient of each floor. At this time, the water gradients of the floors of the auxiliary units arranged side by side are formed at the same gradient, and the height level of the floor at the end on the building main body side is attached to the same height. There is no step between the floors. Therefore, the waterproof treatment can be easily performed, and the drainage of rainwater can be improved. Also,
If the plurality of accessory units have the same dimensions in the height direction, and the upper end face is provided with a handrail wall attached at the same height position, the upper and lower end faces of the handrail walls of the juxtaposed accessory units are arranged. Can be continuous. This has the advantage that a common handrail wall can be used even for accessory units with different depth dimensions.

[0008] Also, a plurality of accessory units, used as the digit side dimension perpendicular to the depth direction are different from each other and a water gradient along the girder side direction in water gradient downstream side of the floor Independent drainage channels
And the deepest part of those drains is formed at the same height.
In addition, a drain pipe for horizontal extraction from the deepest part is attached to each attached unit.
, So that the height position of the horizontal drain pipe and the height level of the opening for disposing the horizontal drain pipe (for example, the opening formed in the handrail wall) are the same. it can.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a perspective view showing the appearance of a unit-type building according to this embodiment, and FIG. 2 is a plan view thereof. In these figures, reference numeral 1 denotes a building body, which is composed of a plurality of lower-floor building units 2 and a plurality of upper-floor building units 3 installed thereon, and has a two-story structure. On the long sides of the two upper-floor building units 3 that are arranged side by side, the balcony 4 is provided. The balconies 4 are arranged side by side, and have a depth dimension (dimension in the short side) and a dimension in the girder direction perpendicular to the depth direction (dimension in the long side).
Are composed of two balcony units 5A and 5B as accessory units different from each other. The balcony unit 5A is a balcony unit cantilevered by the building body 1, and the balcony unit 5B is a leg-mounted balcony unit.

As shown in FIG. 3, each of the balcony units 5A and 5B has a rectangular frame-like base frame 11A, 1B.
1B, handrail walls 12A and 12B made of ALC and the like arranged along the periphery (long side and short side) of the base frames 11A and 11B, and the base frame 11
A and 11B are provided on the upper surfaces of the floors 13A and 13B on which rainwater or the like is poured. Railing wall 12
A and 12B have the same dimension in the height direction, and the base frame 11 has the upper end face at the same height position.
A, 11B.

On the floors 13A and 13B, floor members 15A and 15B are provided on the base frames 11A and 11B via adjusting members 14A and 14B so as to be inclined downward toward the long sides away from the building body 1. Has been
Drainage grooves 21A, 21 which have a water gradient along the girder side on the downstream side in the inclination direction (downstream of the water gradient) and are independent from each other.
B are provided respectively. Here, floor material 15A, 1
The water gradients of 5B are formed to have the same gradient as each other, and the height level of the floor at the end on the side of the building body 1 is attached to the same height. 16A and 16B are waterproof sheets.

As shown in FIG. 4, the drain groove 21A is
A drain groove portion 22A having a water gradient that is gradually inclined downward in a direction away from the adjacent balcony unit 5B, and a water reservoir groove portion 23A formed at a right angle from the deepest end of the drain groove portion 22A. Reservoir groove 23A
The inner end of the drain tube 24A for horizontal extraction faces the inside. The outer end of the horizontal drain pipe 24A is the handrail wall 1 on the short side.
It protrudes to the outside of the balcony unit 5A through an opening 25A formed in 2A.

[0013] As shown in FIG.
The drain groove 22B has a water gradient that is gradually inclined downward as it goes away from the adjacent balconi unit 5A, and a water groove 23B formed at a right angle from the deepest end of the drain groove 22B. Reservoir groove 23B
, The inner end of the drain tube 24A for horizontal extraction faces. The outer end of the horizontal drain pipe 24A is the handrail wall 1 on the short side.
It protrudes out of the balcony unit 5B through the opening 25B formed in 2A. Here, each drain ditch 2
1A, 21B, i.e., the water groove portions 23A, 23
B so that the depth of B becomes the same height.
The water gradient of 2B is formed differently.

Therefore, according to the present embodiment, the balcony 4 is formed by juxtaposing two balcony units 5A and 5B having different depth dimensions, and the water gradient of the floors 13A and 13B of each balcony unit 5A and 5B. Are formed at the same gradient with each other, and the floor 1 at the end on the building body 1 side is formed.
Since the height levels of 3A and 13B are attached to the same height, the floor 1 of the two balconi units 5A and 5B arranged side by side
There is no step between 3A and 13B. Therefore,
Waterproofing can be easily performed, and drainage of rainwater can be improved.

Each of the balcony units 5A and 5B is
Since the handrail walls 12A and 12B are attached to the base frames 11A and 11B so that the dimensions in the height direction are the same and the upper end surfaces are at the same height position, the balconi units 5A arranged side by side are provided. , 5B of the handrail walls 12A, 12B can be continuous.
This means that the balcony unit 5 with different depth dimensions
A, 5B, the common handrail wall 12A. There is an advantage that 12B can be used.

Each of the balcony units 5A and 5B is
Since the drainage grooves 21A and 21B are provided independently of each other, the balconi units 5A and 5B
It is not necessary to connect the drainage grooves 21A and 21B after the installation of the slab at a predetermined position, so that the number of work steps on site can be reduced. Therefore, the waterproof performance can be improved.

Further, since the deepest level of the drainage grooves 21A, 21B of each of the balconi units 5A, 5B is formed at the same height, the horizontal drainage pipe provided at the deepest part of the drainage grooves 21A, 21B. The height levels of 24A and 24B can be the same. This means that each balcony unit 5A, 5B
Holes 25A, 25 formed in the handrail walls 12A, 12B
Since the height position of B can be the same, the handrail walls 12A, 12A
There is an advantage that B can be shared. Incidentally, since the dimensions of the balconi units 5A and 5B in the girder direction orthogonal to the depth direction are different from each other, the drain grooves 21A and 21B are provided.
If the water gradient is the same, the height level at the deepest part is different, and the drainage pipes 24A, 24B for lateral extraction and the opening 2
Although the height levels of 5A and 25B are not the same, such a problem can be solved according to the present embodiment.

Although the present invention has been described with reference to the preferred embodiments, the present invention is not limited to these embodiments, and can be modified without departing from the scope of the present invention. For example, in the above embodiment, the balcony 4 is formed by arranging two balcony units 5A and 5B having different depth dimensions in parallel. However, the balcony is formed by arranging three or more balcony units 5 having different depth dimensions in parallel. You may. At this time, the type of the balcony unit is not limited to the cantilever-supporting balcony unit and the legged balcony unit described in the above embodiment, but may be a combination of these and a vaulted balcony unit (a balcony unit placed on a living room unit). .

[0019] In the above embodiment has been described balcony 4, the present invention is not limited thereto. For example,
Drainage structure of the outer corridor constructed by arranging a plurality of outer corridor units in which the outer corridor part is formed in the unit, or drainage structure of parapet constructed by arranging a plurality of parapet units on the building body 1 Can also be applied.

[0020]

According to the drainage structure of the unit-type building of the present invention, even when the auxiliary units such as the balcony unit and the outer corridor unit are arranged side by side, even if the balcony unit and the outer corridor are constructed, the auxiliary unit arranged side by side can be used. The effect that no step is generated between floors can be expected.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the appearance of an embodiment of the present invention.

FIG. 2 is a plan view of the embodiment.

FIG. 3 is a sectional view taken along line III-III of FIG. 2;

FIG. 4 is a sectional view taken along line IV-IV of FIG. 2;

FIG. 5 is a sectional view taken along line VV of FIG. 2;

FIG. 6 is a plan view showing a conventional unit-type building.

FIG. 7 is a sectional view taken along line VII-VII of FIG. 6;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Building main body 4 Balconi 5A, 5B Balconi unit 12A, 12B Handrail wall 13A, 13B Floor 21A, 21B Drainage groove 22A, 22B Drainage groove part 23A, 23B Water reservoir groove part (deepest part)

Continuing from the front page (72) Inventor Keiichi Fukuyama 2-4-5 Takaido Higashi, Suginami-ku, Tokyo Misawa Home Co., Ltd. (56) References JP-A-5-148888 (JP, A) JP-A-6-136832 ( JP, A) (58) Fields surveyed (Int. Cl. ⁷ , DB name) E04D 13/04 E04B 1/00-1/348

Claims (2)

(57) [Claims] 1. A drainage structure for a unit-type building having a floor on which rainwater or the like is poured and a plurality of accessory units having different depth dimensions arranged side by side to form a balcony or an outer corridor. The attached units have floors formed with the same water gradient and the same height level of the floor at the end of the building body side, and a girder orthogonal to the depth direction. Lateral
Dimensions different from each other and upstream of the water gradient downstream of the floor
Independent drainage with water gradient along the girder side
Each of these drains has the same depth.
The drain pipe for horizontal drainage is formed from the deepest part of each attached unit.
The drainage structure of a unit-type building, which protrudes outside the unit. 2. The drainage structure for a unit-type building according to claim 1, wherein the plurality of attached units are arranged in a height direction.
Dimensions are the same and the top surface is mounted at the same height
A drainage structure for a unit-type building, characterized in that it has a separate handrail wall .