JPH08128143A - Floor structure - Google Patents

Abstract

(57) [Summary] [Purpose] To prevent water discharged from the sprinkler from leaking to adjacent dwelling units. [Structure] Living space 10 surrounded by slab 2 and boundary wall 7
In a high-rise apartment 1 in which dwelling units 10 having a are stacked, a floor panel 3 is formed on a slab so as to form a double floor 5.
The waterproof surface 6a on the slab and below the floor panel.
The waterproof pan 6 having the
Installed in a form that covers the water drain pipe 12 in a waterproof pan,
The water storage space 6c of the waterproof pan and the drainage vertical pipe 16 are provided so as to be connected to each other, and the drainage pipe 11 is detachably provided with a drainage plug 11.

Description

Detailed Description of the Invention

[0001]

The present invention relates to high-rise buildings,
The present invention relates to a floor structure suitable for preventing water leakage to adjacent dwelling units due to operation of a sprinkler.

[0002]

2. Description of the Related Art With the recent increase in the height of buildings, it is inevitable in the near future to introduce sprinklers into high-rise buildings such as high-rise apartment houses.

[0003]

However, since concrete slabs generally do not have a high waterproof function, if the sprinkler malfunctions (of course, even if water is sprayed from the sprinkler in the event of a fire), the fire extinguishing water will It accumulates and leaks water to the dwelling units on the lower floors and on the left and right sides on the same floor, which damages many dwelling units in high-rise buildings. Furniture, AV equipment, etc. are flooded in an apartment house, and computers, office automation equipment, etc. are flooded in an office building, etc., and cannot be used. Also, once flooded, it will take a long time to recover,
The financial burden will be heavy.

Therefore, in view of the above circumstances, the present invention can prevent water such as fire extinguishing water discharged by the sprinkler from leaking to an adjacent dwelling unit, and can minimize damage in the dwelling unit. In addition, the purpose is to provide a floor structure that is safe and comfortable, has good work efficiency, and has good workability.

[0005]

That is, the first of the present invention
Of the invention is a building (1) in which a dwelling unit (10) having a living space (10a) surrounded by a slab body (2) and a boundary wall (7) is stacked, a double layer is provided on the slab body. A floor member (3) is provided so as to form a floor (5), and a water storage means (10b) having a waterproof surface (6a) is provided on the slab body and below the floor member by the waterproof surface. It is provided so as to cover the floor surface (2b) of the skeleton, and the water storage means is provided with water drainage means (12, 16) so as to connect the water storage means and the outside of the living space of the dwelling unit. .

Further, in the second invention of the present invention, in the first invention, the water storage means (10b) is formed by molding a water storage space (6c) provided on the slab body (2). Configured to be a waterproof pan (6).

Further, in the third invention of the present invention, in the first invention, the water storage means (10b) is made of a fluid waterproof material so that the floor surface (2) of the slab body (2) is
It is configured to be a waterproof layer formed by coating so as to cover b) and to raise the periphery thereof to a predetermined height.

Further, in a fourth aspect of the present invention based on the first aspect, the water storage means (10b) is provided in the dwelling unit (1).
0) for each.

A fifth aspect of the present invention is the waterproof surface (6) of the water storage means (10b) according to the first aspect.
In a), a gradient toward the water draining means (12, 16) is formed.

A sixth aspect of the present invention is the same as the first aspect of the present invention, wherein the floor member (3) has a drain hole (3b).
Is provided so as to penetrate the floor member.

Further, the seventh invention of the present invention is the same as the first invention, wherein the draining means is provided with a closing means (11).
Is provided so as to be able to open and close between the water storage means (10b) and the outside of the living space (10a) of the dwelling unit (10).

The numbers in parentheses are for convenience of showing the corresponding elements in the drawings, and the present description is not limited to the description in the drawings. The same applies to the following “action” column.

[0013]

With the above structure, the first aspect of the present invention is that the water flowing out under the floor member (3) is slab body (2).
The waterproof surface (6a) of the water storage means (10b) that covers the floor surface (2b) of the slab acts to prevent the floor surface of the slab body from reaching the floor surface. Further, the water stored in the water storage means (10b) acts so as to be discharged to the outside of the living space (10a) through the water draining means (12, 16). The second aspect of the present invention functions so that the water storage means (10b) is formed only by installing the waterproof pan (6) on the slab body (2). Furthermore, in the third aspect of the present invention, even if an obstacle such as a pillar is erected on the slab skeleton (2) or the floor surface (2b) of the slab skeleton has a complicated planar shape, Due to the fluidity of the waterproof material, it acts to form the water storage means (10b) in a form that flexibly responds to these obstacles and complicated shapes. Furthermore, in the fourth aspect of the present invention, the water flowing out under the floor member (3) acts so as to be stored in the water storage means (10b) for each dwelling unit (10).
Furthermore, the fifth aspect of the present invention is the water storage means (10b).
The water on the waterproof surface (6a) of the above acts to flow into the draining means (12, 16) according to the gradient. Further, in the sixth aspect of the present invention, the water on the floor member (3) acts so as to flow under the floor member through the drain holes (3b).
Further, the seventh aspect of the present invention acts so as to prevent the inside and outside of the living space from being in continuous communication with each other by the closing means (11).

[0014]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic cutaway side view showing an embodiment of the floor structure of a high-rise condominium to which the floor structure according to the present invention is applied.

As shown in FIG. 1, a high-rise condominium 1 to which a floor structure according to the present invention is applied has concrete slabs 2 forming each floor, and upper and lower slabs 2 and 2 are provided.
A boundary wall 7 forming each dwelling unit 10 is provided therebetween. The boundary wall 7 is erected so as to block between the floor surface 2b of the slab 2 and the ceiling surface 2a of the slab 2 above the floor surface 2b. The boundary wall 7 is provided such that the living space 10a of each dwelling unit 10 is formed separately from the outside, and the boundary wall 7 is a living space 10 of two adjacent dwelling units 10 and 10.
It is provided so as to separate a. A double floor 5 having an underfloor space 5c is formed on the slab 2 in the living space 10a of each dwelling unit 10, and the double floor 5 is composed of the slab 2 and the floor panel 3. That is, on the floor surface 2b of the slab 2 of each dwelling unit 10, the floor panel 3 having the decorative floor surface 3a is provided, and between the floor surface 2b of the slab 2 and the floor panel 3, Underfloor space 5c of double floor 5
Are formed. The floor panel 3 is appropriately supported by the slab 2 by pillars, joists or the like (not shown). That is,
The high-rise condominium 1 is formed with a dwelling unit 10 having a living space 10a surrounded by the slab 2, the boundary wall 7 and the like. The high-rise condominium 1 has the dwelling unit 10 in the vertical direction (vertical direction in FIG. 1). ) Are formed in a laminated manner. Further, the sprinkler 8 is provided on the ceiling surface 2a of each dwelling unit 10.
The sprinkler 8 is installed in the event of a fire.
Fire extinguishing water 8a is discharged from. Furthermore, high-rise apartment 1
Is provided with a pipe shaft 15 so as to vertically pass through the slab 2 on each floor.
A drainage vertical pipe 16 capable of draining sewage of each dwelling unit 10 in the high-rise condominium 1 is arranged in the vertical direction.

Further, as shown in FIG. 1, each dwelling unit 10 is provided with a water storage portion 10b which is waterproof and is capable of storing water, and the water storage portion 10b is a dish-shaped water resistant portion. A waterproof pan 6 which is a resin molded product is formed for each dwelling unit 10 so as to be provided on the slab 2. That is, the waterproof pan 6 has a waterproof surface 6a, and a rising portion 6b having a predetermined height is formed around the waterproof surface 6a. Inside the waterproof pan 6, a water storage space 6c is formed so as to be surrounded by the rising portion 6b, and the waterproof pan 6 shown in FIG.
Is a living space 10 of a dwelling unit 10 in which the waterproof pan 6 should be installed.
It is formed so as to correspond to the planar shape of the slab 2 in a. That is, on the slab 2 of each dwelling unit 10 and the floor member 3
Below (the underfloor space 5c of the double floor 5), a waterproof pan 6 is installed over the entire floor surface 2b of the slab 2 of the dwelling unit 10 by a waterproof surface 6a so as to cover the floor surface 2b. A water reservoir 10b is formed in each dwelling unit 10 by the waterproof pan 6 installed as described above. In addition, the rising portion 6b of the waterproof pan 6 that forms the water storage portion 10b is formed and installed so as to abut against the boundary wall 7, and the waterproof surface 6a of the waterproof pan 6 is provided with a drain pipe 12 described later. A slope is formed toward the suction port 12a. Further, in the waterproof pan 6 forming the water storage portion 10b, a drain pipe 12 has a suction port 12a formed at one end of the drain pipe 12 and a waterproof surface 6 of the waterproof pan 6.
The water drain pipe 12 and the waterproof pan 6 are kept watertight by a seal or the like (not shown). The discharge port 12b formed at the other end of the drainage pipe 12 is connected to the drainage vertical pipe 16,
The drainage pipe 12 is embedded in the slab 2 forming the double floor 5 of the dwelling unit 10 in a form of forming a water gradient from the waterproof pan 6 toward the drainage vertical pipe 16. That is, the drainage pipe 12 is the dwelling unit 1
The water storage space 6c of the water storage portion 10b formed in the living space 10a of 0 and the drainage vertical pipe 16 arranged in the pipe shaft 15 outside the living space 10a are connected to each other. . Further, a water drain plug 11 capable of opening and closing the suction port 12a is provided at the suction port 12a of the water drain pipe 12 so as to be detachable from the suction port 12a.
Is provided in such a form that the flow in the drain pipe 12 can be stopped. That is, the water drain plug 11 includes the water storage space 6c of the waterproof pan 6 forming the water storage portion 10b and the living space 10 of the dwelling unit 10.
It is provided in a form capable of opening and closing a space between the outside of a and the drainage vertical pipe 16. Furthermore, the floor panel 3 of the double floor 5 includes
The water draining work unit 4 is provided in the vicinity of the water draining plug 11, and the water draining work unit 4 is composed of a work port 4a and a lid 4b that allow a human hand to pass through. That is, the floor panel 3 is provided with a working opening 4a above the water drain plug 11 so as to penetrate the floor panel 3, and the working opening 4a is provided with a lid 4b which can be opened and closed. Further, the floor panel 3 of the double floor 5 is provided with a drainage hole 3b that allows water to pass freely through the floor panel 3 in the vertical direction. A plurality are provided along the line. Needless to say, the drain hole 3b may be opened as needed, and ventilation between the floor panel 3 and the underfloor space 5c may be blocked by a removable plug or the like.

Since the high-rise condominium 1 has the above-described structure, a fire detection device such as a temperature sensor (not shown) detects a fire in the dwelling unit 10 on a predetermined floor, and the fire is erroneously caused by malfunction. When a sprinkler driving device (not shown) which detects and controls the sprinkler 8 is informed of the fire, the sprinkler driving device that knows the fire is the dwelling unit 1
Drive the sprinkler 8 provided at 0, from which fire extinguishing water 8a is supplied to the living space 10a of the dwelling unit 10.
Discharge into and extinguish. Then, the fire-extinguishing water 8a discharged from the sprinkler 8 reaches the decorative floor surface 3a of the floor panel 3 of the double floor 5 of the dwelling unit 10 in which the fire-extinguishing operation is performed and the activated sprinkler 8 is provided. Then, the fire extinguishing water 8a that has reached the decorative floor surface 3a is used as the floor panel 3
And a boundary wall 7, and flows into the underfloor space 5c of the double floor 5 through a small gap (not shown) formed through the drainage hole 3b. Extinguishing water 8 flowing into the underfloor space 5c
a does not reach the floor surface 2b of the slab 2 of the double floor 5 and is stored in the water storage space 6c on the waterproof surface 6a of the waterproof pan 6 that forms the water storage portion 10b that covers the floor surface 2b. Therefore, after confirming the malfunction of the sprinkler 8 (or after the completion of the fire extinguishing activity), the lid 4b of the draining work portion 4 provided on the floor panel 3 of the double floor 5 is opened to open the work opening 4a, and the drain plug 11 is removed from the suction port 12a of the drainage pipe 12. Then, the fire-extinguishing water 8a stored in the water storage space 6c on the waterproof surface 6a of the waterproof pan 6 flows on the waterproof surface 6a according to the gradient formed on the waterproof surface 6a, and from the suction port 12a to the drain pipe 12 Flows in. Water drain pipe 1 from the suction port 12a
The fire extinguishing water 8a flowing into the inside 2 flows through the drain pipe 12 and is discharged from the discharge port 12b to the drain vertical pipe 16.

As described above, the double floor 5 is formed, and the water storage portion 10b including the waterproof pan 6 and the like is provided on the floor surface 2b of the slab 2, so that the sprinkler 8 in the dwelling unit 10 is provided.
Even if water such as fire extinguishing water 8a is discharged into the living space 10a and flows into the underfloor space 5c of the double floor 5 due to the operation of, due to the waterproof surface 6a of the water storage portion 10b that covers the floor surface 2b of the slab 2,
The water is prevented from reaching the floor surface 2b. Therefore,
Even if the slab 2 does not have a high waterproof function, water does not penetrate into the slab 2, so that it is possible to prevent water leakage to the dwelling unit 10 below the dwelling unit 10. Further, by forming the water storage section 10b for each dwelling unit 10, the water flowing to the underfloor space 5c of the dwelling unit 10 is stored in the water storage pan 6 forming the water storage unit 10b for each dwelling unit 10, so that It is possible to prevent water leakage to the dwelling units 10 adjacent to each other on the left and right of the same floor. Further, by providing the drain pipe 12 in a form of connecting the waterproof pan 6 and the drainage vertical pipe 16, the water stored on the waterproof pan 6 can be drained to the outside of the dwelling unit 10 through the drain pipe 12. it can. Therefore, since water does not remain in the underfloor space 5c of the double floor 5 forever, the dwelling space 10a can be made comfortable without leaving moisture or insects. Furthermore, by using the waterproof pan 6, the waterproof pan 6 can be attached to the slab 2
Since the water storage portion 10b is formed only by installing the water storage portion 10b on the floor surface 2b, the water storage portion 10b can be easily formed in the dwelling unit 10 in a short time, and the work efficiency is good. Further, by forming a gradient on the waterproof surface 6a of the waterproof pan 6 toward the suction port 12a of the drain pipe 12, the water on the waterproof surface 6a flows into the drain pipe 12 according to the gradient, All the water on the waterproof pan 6 can be discharged to the outside of the living space 10a, and moisture or the like does not remain in the underfloor space 5c, so that the living space 10a can be made comfortable. Further, by providing the water drain holes 3b in the floor panel 3 of the double floor 5, water on the decorative floor surface 3a of the floor panel 3 flows into the underfloor space 5c through the water drain holes 3b. The water above can be quickly discharged to the underfloor space 5c. Therefore, a large amount of water does not stay on the floor panel 3 for a long time, and it is possible to minimize damage to furniture, AV equipment, etc. installed on the floor panel 3 in the dwelling unit 10. Further, the drainage pipe 12 is provided so as to connect the living space 10a (underfloor space 5c) of the dwelling unit 10 and the drainage vertical pipe 16, but normally (when the sprinkler 8 is not operated), the drainage plug 11 is used. Suction port 12a of the drainage pipe 12
It is possible to prevent the flow in the drainage vertical pipe 16 from flowing back into the dwelling unit 10 by blocking the flow of the water in the drainage pipe 12 by closing the valve. Therefore, smoke is shut off when a fire occurs, so smoke is drained from the floor where the fire occurred to another floor.
Not only is it prevented from diffusing through 6, but invasion of the dwelling unit 10 due to the odor of sewage can be prevented, and the living space 10a can be made safe and comfortable.

In the above embodiment, the dwelling unit 10
The water storage part 10b of the slab 2 is formed by the waterproof pan 6 installed on the floor surface 2b of the slab 2. However, it may be anything as long as it has waterproofness and can store water, such as waterproof mortar or waterproof paint. The water storage portion 10b may be formed of a waterproof layer made of a waterproof waterproof material. That is, the waterproof material,
The floor surface 2b of the slab 2 is coated so as to cover the entire surface thereof to form a waterproof surface (equivalent to the waterproof surface 6a of the waterproof pan 6), and the periphery thereof is raised to a predetermined height (for example, the floor surface. 2b is continuously applied to the front wall 7 up to a predetermined height and applied to a rising portion (the rising portion 6b of the waterproof pan 6).
Equivalent to). Then, on the floor surface 2b of the slab 2, a waterproof layer made of these waterproof materials and formed of a waterproof surface and a rising portion is formed so as to form the water storage portion 10b of the dwelling unit 10. In this case, even if an obstacle such as a pillar is erected on the slab 2 or the floor surface 2b of the slab 2 has a complicated planar shape, the fluidity of the waterproof material causes the obstacle or the complicated shape. Since the water storage portion 10b can be flexibly formed, the workability is good. Further, in the above-described embodiment, the water in the water drain pipe 12 is stopped by allowing the water drain plug 11 to be attached / detached manually, but instead of the water drain plug 11, an openable / closable valve is used. Drainage pipe 12
The flow in the drainage pipe 12 may be stopped by allowing the flow in the drainage pipe 12 to be stopped, and the flow in the drainage pipe 12 may be controlled by opening and closing the valve so that the valve can be operated remotely. Needless to say, it may be possible to stop the water flow. Further, in the above-described embodiment, the waterproof pan 6 forming the water storage portion 10b is provided via the drain pipe 12 and the drainage vertical pipe 16.
The water stored in the water storage space 6c is connected to the outside of the living space 10a of the dwelling unit 10 by connecting the water storage space 6c
Although it has been discharged to the outside of the living space 10a of 0, the water stored in the water storage portion 10b may be discharged to any outside, for example, the living space 10a of the dwelling unit 10.
It may be discharged to a balcony (not shown) provided outside or an outer corridor. Further, in the above-described embodiment, the case of preventing water leakage to the downstairs due to the water discharge from the sprinkler 8 has been described, but the case where water leaks onto the slab 2 due to a failure of the hot water heating device, not limited to the sprinkler 8. Moreover, it is possible to prevent water leakage downstairs.

[0020]

As described above, the first aspect of the present invention
Of the invention, in a building such as a high-rise condominium 1 in which a dwelling unit 10 having a living space 10a surrounded by a slab structure such as a slab 2 and a boundary wall 7 is laminated, a double floor 5 is provided on the slab structure. A floor member such as a floor panel 3 is provided in the form of forming, and a water storage means such as a water storage section 10b having a waterproof surface 6a is provided on the slab skeleton and below the floor member, the floor of the slab skeleton being provided with the waterproof surface. It is provided so as to cover the surface 2b,
Since the water storage means is provided with water drainage means such as the water drainage pipe 12 and the drainage vertical pipe 16 so as to connect the water storage means to the outside of the living space of the dwelling unit, the sprinkler is operated in the dwelling unit. Water such as fire extinguishing water discharged into the living space and flowing out under the floor member of the double floor should reach the floor surface of the slab structure by the waterproof surface of the water storage means that covers the floor surface of the slab structure. Is blocked. Therefore, even if the slab skeleton does not have a high waterproof function, water does not penetrate into the slab skeleton, so that it is possible to prevent water leakage to the dwelling unit below. Also, by discharging the water stored in the water storage means to the outside of the living space through the water draining means, the water does not remain under the floor member of the double floor forever, so that moisture etc. remains or insects remain. You can make your living space comfortable without getting tired.

Further, in the second invention of the present invention, in the first invention, the water storage means is a waterproof pan 6 formed on the slab body and having a water storage space 6c formed therein. In addition to the first invention, since the water storage means is formed only by installing the waterproof pan on the slab body in addition to the first invention, the water storage means can be easily formed in the dwelling unit in a short time, and the working efficiency is improved. Is good.

Further, in a third aspect of the present invention based on the first aspect, the water storage means covers the floor surface of the slab body with a waterproof material having fluidity, and the periphery thereof. Since it is configured to be a waterproof layer that is applied and formed so as to rise to a predetermined height, in addition to the first invention, obstacles such as pillars are erected on the slab body or the slab body Even if the floor surface has a complicated planar shape, the water storage means can be formed in a form that flexibly responds to the obstacles and the complicated shape due to the fluidity of the waterproof material, and therefore the workability is good.

Further, in the fourth aspect of the present invention, in the first aspect of the invention, the water storage means is provided for each of the dwelling units. Since the water flowing out under the floor member of the heavy floor is stored in the water storage means for each dwelling unit, it is possible to prevent water leakage to dwelling units on the lower floor and the left and right adjacent dwelling units on the same floor.

Further, in the fifth aspect of the present invention, in the first aspect of the present invention, the waterproof surface of the water storage means is formed so as to have a slope toward the water draining means. In addition, since the water on the waterproof surface of the water storage means flows into the water draining means according to the gradient, it is possible to discharge the water in the water storage means to the outside of the living space without leaving it, and the double floor of the dwelling unit. It is possible to make the living space comfortable by leaving no moisture under the floor member.

Further, in the sixth aspect of the present invention, the floor member according to the first aspect is provided with a drain hole 3b so as to penetrate the floor member. In addition, since the water on the floor member flows under the floor member through the drain hole, the water on the floor member can be quickly discharged under the floor member. Therefore, a large amount of water does not stay on the floor member for a long time, and the furniture installed on the floor member in the dwelling unit, A
It is possible to minimize damage to V equipment and the like.

Further, the seventh invention of the present invention is the same as the first invention, wherein the water draining means is provided with a closing means such as a water drain plug 11, and the water storing means and the outside of the living space of the dwelling unit. In addition to the first aspect of the invention, it is possible to prevent the interior and exterior of the living space from being in continuous communication with each other, because the space between the spaces can be closed. Since it is possible to prevent the generated floor from spreading to other floors, the living space can be made safe and comfortable.

[Brief description of drawings]

FIG. 1 is a schematic cutaway side view showing an embodiment of a floor structure of a high-rise condominium to which a floor structure according to the present invention is applied.

[Explanation of symbols]

 1 …… Building (high-rise apartment) 2 …… Slab structure (slab) 2b …… Floor surface 3 …… Floor member (floor panel) 5 …… Double floor 6 …… Waterproof pan 6a …… Waterproof surface 6c …… Water storage space 7 …… Door boundary wall 10 …… Dwelling unit 10 a …… Residential space 10 b …… Water storage means (water storage part) 11 …… Closing means (water draining plug) 12 …… Water draining means (water draining pipe) 16 …… Draining means (drain vertical pipe)

Claims (7)

[Claims] 1. A building in which dwelling units having a living space surrounded by a slab skeleton and a boundary wall are stacked, and a floor member is provided on the slab skeleton so as to form a double floor, and the slab skeleton is provided. Above and below the floor member, a water storage means having a waterproof surface is provided so as to cover the floor surface of the slab skeleton with the waterproof surface, and the water storage means includes drainage means and the water storage means and the water storage means. A floor structure constructed by connecting the outside of the living space of a dwelling unit. 2. The floor structure according to claim 1, wherein the water storage means is a waterproof pan provided on the slab body in which a water storage space is formed by molding. 3. The water storage means is a waterproof layer formed by applying a fluid waterproof material so as to cover the floor surface of the slab skeleton and to raise the periphery thereof to a predetermined height. The floor structure according to claim 1. 4. The floor structure according to claim 1, wherein the water storage means is provided for each of the dwelling units. 5. The floor structure according to claim 1, wherein a slope facing the water draining means is formed on the waterproof surface of the water storing means. 6. The floor structure according to claim 1, wherein the floor member is provided with a drain hole so as to penetrate the floor member. 7. The floor structure according to claim 1, wherein the water draining means is provided with a closing means so as to open and close between the water storage means and the outside of the living space of the dwelling unit.