JPH09217395A - Piping structure and piping method for unit building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a piping structure in which a piping work can be easily performed in a factory. SOLUTION: Of first floor and second floor building units 12A, 13A constituting a unit building 10, the horizontal pipe 73 of a soil pipe 40 is arranged in the ceiling inner space 19A of the first floor building unit 12A, a vertical pipe 41 is arranged in the underfloor space 22A of the second floor building unit 13A. Thus, since the piping work of the horizontal pipe 73 in a factory can be performed in a general posture after arranging the horizontal pipe 73 from above the ceiling inner space 19A of the first floor building unit 12A, the upward work can be omitted to facilitate the piping work.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a piping structure and a piping method for a unit type building, and can be used for, for example, a waste water pipe connected to a toilet bowl, and a drain pipe connected to a sink or a bath.

[0002]

BACKGROUND ART FIG. 5 shows a wastewater pipe 7 in a unit type building.
Zero conventional piping structures are shown. The upper-floor building unit 80, which constitutes a unit-type building, has four floor beams 82 (only three of which are three) bridged between the lower ends of four pillars 81 (only two of which are shown) erected at four corners. (Shown) and two floor beams 82
(Only one is shown in the figure). On the upper surface of these joists 83, a floor surface member 84 extending to the upper surface of each floor beam 82 is stretched, whereby a floor 86 of the upper floor building unit 80 is formed. And
A toilet 85 is installed on the floor material 84.

On the other hand, the lower-floor building unit 90 is provided with a ceiling beam 92 spanned between the upper ends of columns 91 and a plurality of ceiling girders 93 spanned between the ceiling beams 92. A ceiling surface member 94 extending to each ceiling beam 92 is stretched on the lower surface of the ceiling beam 93, whereby a ceiling 96 of the lower floor building unit 90 is formed.

In addition, the underfloor space 8 of the upper-floor building unit 80
A vertical pipe 71 having an upper end connected to the toilet 85 is piped to 6A, one end of a horizontal pipe 73 is connected to a lower end of the vertical pipe 71 via an elbow 72, and the other end of the horizontal pipe 73 is further connected. Another vertical pipe 74 is connected to the via an elbow 72.
And these vertical pipes 71 and 74, the elbow 72, the horizontal pipe 73
The sewage pipe 70 is formed by. At this time, a pipe shaft 95 is provided in the lower-floor building unit 90, the pipe shaft 95 communicates with the underfloor space 86A and the ceiling space 96A, and the vertical pipe 74 has a pipe shaft 95 and the ceiling space. Piped over 96A.

Further, in the upper-floor building unit 80, the joists 83A of the joists 83 are made of wood of a normal size used in other building units, but the horizontal pipe 73 is piped in the underfloor space 86A. Because of this, Jouta 83B
Is a metal channel material that can satisfy the floor strength even if the vertical dimension is small. And the horizontal pipe 7
In order to securely support 3, the wooden joist 83C is provided with an insertion hole 87 through which the lateral tube 73 is inserted. Also,
The ceiling beam 93 of the lower-floor building unit 90 is a ceiling panel 94.
As long as it has a strength enough to support, the vertical dimension and the like are smaller than the joist 83A.

In such a piping structure, when the upper floor building unit 80 is produced in the factory, the toilet 85 is installed and the vertical pipe 71, the elbow 72, and the horizontal pipe 73 are connected to the underfloor space 8
Piping to 6A. Further, when the lower-floor building unit 90 is produced, the vertical pipe 74 is piped to the pipe shaft 95 and the space 96A above the ceiling. Then, when the upper and lower building units 80, 90 are vertically stacked at the construction site, the vertical pipe 74
And the elbow 72 are connected to complete the wastewater pipe 70.

[0007]

However, when the upper building unit 80 is produced in a factory, the work of piping the horizontal pipe 73 to the underfloor space 86A must be performed in an upward posture, which is troublesome. There was a problem.

It is an object of the present invention to provide a piping structure and a piping method for a unit-type building, which facilitates piping work in a factory.

[0009]

A piping structure of a unit type building according to the present invention will be described with reference to the drawings. A plurality of building units 12 and 13 produced in a factory are stacked at least vertically in a construction site. A piping structure of the unit-type building 10 in which a substantially horizontal horizontal pipe 73 and a vertical vertical pipe 41 having a lower end connected to one end of the horizontal pipe 73 are piped inside, The horizontal pipe 73 is a building unit 12A on the lower floor side of the plurality of building units 12 and 13.
And the vertical pipe 41 is connected to the underfloor space 22A of the upper-floor building unit 13A arranged immediately above the lower-floor building unit 12A. In the present invention as described above, the horizontal pipe 7
By piping 3 to the space 19A above the ceiling of the building unit 12A on the lower floor side, it becomes possible to easily perform the piping work of the horizontal pipe 73 in the factory in a normal work posture.

Further, the piping structure of the present invention is characterized in that at least the building unit 13A on the upper floor side is configured to include a plurality of joists 54 bridged between two parallel floor beams 53. . In such a case, since the horizontal pipe 73 is not piped to the underfloor space 22A of the building unit 13A on the upper floor side, it becomes possible to unify the plurality of joists 54 to have the same outer dimensions and the like. Types are reduced. In particular, when joists are provided in the other building units 12A as well, by making all the joists the same, the reduction of the types of members is further promoted.

At this time, the vertical dimension of each joist 54 is set to the floor beam 53.
It is desirable to make the vertical dimension of the joist 54 the same as that of the joist 54. In such a case, the vertical dimension of the joist 54 becomes the maximum in the designable range. It becomes possible to effectively resist.

In the piping structure of the present invention, floor beams 53 and at least one building unit 12B other than the lower-floor building unit 12A of the plurality of building units 12 and 13 on which the horizontal pipe 73 is piped. Two parallel ceiling beams 52 having the same cross-sectional dimension are provided, and a ceiling beam 56 having the same external shape as the joist 54 is bridged between these ceiling beams 52. In such a case, the ceiling beam 52 and the floor beam 53 are commonly used, and the joist 54 and the ceiling beam 5 are also used.
6 is common to the other building, the number of members is further reduced, and a floor material 84 is put on the upper surface of the ceiling beam 56 so that another building is stacked directly above the building unit 12B. Since the floor 22 of the unit 13B comes to be formed, the floor 22 to the ceiling 2 are provided in the building unit 13B immediately above.
The internal space 15 having a high height of 0 is formed.

Further, the building unit 13B on the upper floor thereof
May be a bottomless building unit having no floor beam and an opening at the bottom. In such a case, there is no step due to the floor beam in the floor 22 part, so the building on the upper floor The original floor space of the unit 13B is ensured.

On the other hand, in the piping method of the present invention, a plurality of building units 12 and 13 produced in a factory are piled up at least in the vertical direction at a construction site, and a substantially horizontal horizontal pipe 73 is provided inside. This is a piping method for a unit-type building 10 in which a vertical vertical pipe 41 whose lower end is connected to one end of the horizontal pipe 73 is piped, and the horizontal pipe 73 is preliminarily set in a factory among a plurality of building units 12, 13. While piping to the space 19A above the ceiling of the building unit 12A on the lower floor,
The vertical pipes 41 are piped in the underfloor space 22A of the upper-floor building unit 13A that is stacked immediately above the lower-floor building unit 12A, and each building unit 12 on the upper and lower floors is constructed at the construction site.
After stacking A and 13A, the horizontal pipe 73 and the vertical pipe 41 are connected. According to the present invention as described above, as described above, the piping work of the lateral pipe 73 in the factory can be easily performed.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. However, the same components as those of the related art are designated by the same reference numerals, and the description thereof will be simplified or omitted. FIG. 1 is a vertical cross-sectional view of a unit-type building 10 to which the piping structure according to the present embodiment is applied. The unit-type building 10 includes a plurality of first-floor building units 12 arranged on a foundation 11, This is a two-story building including the second-floor building unit 13 stacked on top of the first-floor building unit 12. A roof (not shown) is provided above the second-floor building unit 13.

The interior spaces 14 and 15 of the first and second floor building units 12 and 13 and the outside of the building are the first and second floor building units 1, respectively.
It is divided by outer wall panels 16 provided on the respective side surfaces 2 and 13, and these outer wall panels 16 are, for example, autoclave-cured lightweight cellular concrete (ALC).
It is made.

In the inner spaces 14 and 15 of the first and second floor building units 12 and 13, ceilings 19 and 20 and a floor 21, respectively.
22 is provided, the attic spaces of the first and second floor building units 12 and 13 are attic spaces 19A and 20A, and the underfloor of the second floor building unit 13A of the second floor building unit 13 is an underfloor space 22A. ing.

Lighting units 23 are provided on the ceilings 19 and 20 of the first and second-floor building units 12 and 13, and switches 23A and outlets 24 of the lighting units 23 are provided on the inner wall surfaces. 19 A of the space above the ceiling of the first-floor building unit 12 and the underfloor space 22 of the second-floor building unit 13 A
A and an electric wire unit 25 having a switch circuit and the like built in on the inner wall near the floor 22 of the second-floor building unit 13B.
Are arranged or buried, and the lighting fixture 23, the switch 23A, the outlet 24 and the electric wire unit 25 are connected by an electric wire 26.

In addition, among the electric wire units 25, the electric wire unit 25 of the second-floor building unit 13A is connected to the electric wire 27.
One end of A is connected, and one end of an electric wire 27B is connected to the electric wire unit 25 embedded in the inner wall of the second floor building unit 13B, and the other ends of these electric wires 27A and 27B are near the boundary between the second floor building units 13A and 13B. Connected by. The connecting portion is insulated by the cap member 28, and the electric wire 27 is formed by the electric wires 27A and 27B.

Further, one end of an electric wire 29 is connected to the electric wire unit 25 of the second-floor building unit 13A and the electric wire unit 25 of each first-floor building unit 12, and the other end of the electric wire 29 is connected to the first-floor building unit 12. Among them, it is connected to the switchboard 30 provided in the first-floor building unit 12A. At this time, the first and second floor building units 12B and 13A
The electric wire 29 wired between each electric wire unit 25 and the switchboard 30 has an electric wire 29A whose one end is connected to the switchboard 30.
And an electric wire 29B whose one end is connected to the electric wire unit 25, the other ends of these electric wires 29A and 29B are connected in the vicinity of the boundary between the first-floor building units 12A and 12B, and each connecting portion is insulated by the cap member 28. Has been done.

A toilet 85 is installed on the floor 22 of the second-floor building unit 13A. One end of the sewage pipe 40 is connected to the toilet 85, and the other end of the sewage pipe 40 is connected to the first-floor building unit 12A. It is adapted to be connected to a sewer pipe (not shown) through the pipe shaft 95.

As shown in FIG. 2, the first and second-floor building units 12A and 13A having the sewage pipe 40 installed therein have a rectangular parallelepiped frame 50, and the frames 50 are erected at four corners. Four pillars 51, four ceiling beams 52 bridged between the upper ends of these four pillars 51, and four floor beams 53 bridged between the lower ends, A plurality of ceiling beams 93, which is the same as the conventional one, are bridged between the long side ceiling beams 52, and a plurality of joists 54 are bridged between the long side floor beams 53. A floor surface material 84 and a ceiling surface material 94 are stretched on the upper surface of the joist 54 and the lower surface of the ceiling beam 93, whereby the floors 21 and 22 and the ceilings 19 and 20 shown in FIG. 1 are formed. It is like this.

As shown in FIG. 3, the ceiling beam 52 and the floor beam 53 constituting the frame 50 are made of channel materials having the same cross-sectional dimension, and each joist 54 is
All have the same outer shape and are made of wood.
The vertical dimension of 4 is the same as the vertical dimension of the floor beam 53.

In FIG. 3, the sewage pipe 40 has a vertical pipe 41 whose upper end is connected to the lower portion of the toilet 85, and a horizontal pipe 73 whose one end is connected to the lower end of the vertical pipe 41 via an elbow 72.
It is composed of another vertical tube 44 whose upper end is connected to the other end of the horizontal tube 73 via an elbow 72. The vertical pipe 41 is piped in the underfloor space 22A of the second-floor building unit 13A, and the lower end of the vertical pipe 41 is at substantially the same level as the lower surface of the floor beam 53.
Inside the ceiling space 19A of 2A, it is arranged between the ceiling beam 93 and the upper joist 54, and the vertical pipe 44 is arranged between the ceiling space 19A and the pipe shaft 95. Here, reference numeral 55 in the figure is a partition wall that partitions the pipe shaft 95 and the internal space 14 of the first-floor building unit 12A.

By the way, in this figure, the first-floor building unit 12B is provided with columns 51 and ceiling beams 52 similar to the first- and second-floor building units 12A and 13A except for the ceiling beam 56. That is, the ceiling beam 5 of the first-floor building unit 12B
The ceiling beam 56 spanned between the two has the same external dimensions as the joists 54 of the first and second floor building units 12A and 13A,
The material is also made of wood. Then, a ceiling surface material 94 is stretched on the lower surface of these ceiling joists 56, and a floor material 84 is stretched on the upper surface thereof, whereby the first floor building unit 1
2B ceiling 19 and 2nd floor building unit 13B floor 22
Are formed. Although not shown here,
The above joist 54 and ceiling beam 56 are provided with notches at appropriate positions, and the notches are used to make the electric wire 2 described above.
7, 29 are wired.

The second-floor building unit 13B has a skeleton 60 as shown in FIG.
Is configured to include four pillars 61 erected in four corners and four ceiling beams 62 bridged between the upper ends of these four pillars 61, and a floor beam exists between the lower ends. do not do. In addition, between the ceiling beams 62 on the long side, the first and second floor building units 12A,
Similar to 13A, the ceiling beam 93 is laid over,
A ceiling panel 94 is stretched on the lower surface of the ceiling beam 93 to form the ceiling 20 of the second-floor building unit 13B. That is, the second-floor building unit 13B is a bottomless building unit without a bottom portion serving as a floor, and is connected to the first-floor building unit 12B by bolting between columns 51 and 61.

In this embodiment as described above, the electric wire 2 in the unit type building 10 is as follows.
Wiring work of 6, 27, 29 and piping work of the dirty water pipe 40 are performed. Regarding the wiring work, first, the electric wires 26, 27, 29 are wired in the first and second-floor building units 12, 13 respectively in the factory. At this time, one end of each electric wire 29A is connected to the switchboard 30 of the first-floor building unit 12A. Is connected, and one end of each electric wire 29B is connected to the electric wire unit 25 of the first and second floor building units 12B and 13A, and similarly, one end of the electric wire 27A is connected to the electric wire unit 25 of the second floor building unit 13A.
Wire 27 to wire unit 25 of second floor building unit 13B
Connect one end of B respectively. And each electric wire 27
Wiring the other end of A, 27B to the vicinity of the boundary between floors 22 in each second-floor building unit 13, and each electric wire 29A,
The other end of 29B is wired to the vicinity of the boundary of the ceiling space 19A in each first-floor building unit 12. Then, after combining the first and second floor building units 12 and 13 at the construction site,
The other ends of the electric wires 27A and 27B and the electric wires 29A and 29
The other ends of B are connected to each other, and finally, the connecting portions are insulated by the cap member 28.

On the other hand, regarding the piping work, first, the vertical pipe 44 is connected to the pipe shaft 9 of the first floor building unit 12A at the factory.
5 and the space above the ceiling space 19A, and a horizontal pipe 73 is installed from above in the space above the ceiling space 19A. The vertical pipe 44 and the horizontal pipe 73 are connected to each other via the elbow 72. The elbow 72 is also attached to the other end. Then, the vertical pipe 41 is connected to the underfloor space 22A of the second-floor building unit 13A, and the upper end of the vertical pipe 41 is connected to the lower portion of the toilet 85. Next, after stacking the second-floor building unit 13A on the first-floor building unit 12A at the construction site, the elbow 72 attached to the end of the horizontal pipe 73 and the lower end of the vertical pipe 41 are connected.

According to the present embodiment, the following effects can be obtained. That is, since the horizontal pipe 73 of the dirty water pipe 40 is piped to the ceiling space 19A of the first-floor building unit 12A, the piping work of the horizontal pipe 73 in the factory is performed by the horizontal pipe 7
After arranging No. 3 from above the first-floor building unit 12A, it is performed in a normal posture, and the piping work can be performed easily and quickly.

Further, since the horizontal pipe 73 is provided in the space above the ceiling 19, the joists 54 of the second-floor building unit 13A can be unified to have the same outer shape, and the number of members can be reduced.

Since the joists 54 are also used in the first-floor building unit 12A, the number of members can be reduced also from this point.

Further, since the joist 54 and the ceiling beam 56 of the first-floor building unit 12B have the same outer shape and material, by sharing these members,
The types of members can be further reduced.

At this time, since the vertical dimension of the ceiling beam 56 is the same as the vertical dimension of the ceiling beam 52, the ceiling beam 5 is
By arranging the floor material 84 on the upper surface of 2, the internal space 15 of the second-floor building unit 13B can be made a space with a high ceiling.

Since the second-floor building unit 13B is a bottomless building unit without floor beams, its floor 22
It is possible to reliably secure the original floor area of the second-floor building unit 13B.

Since the joist 54 and the ceiling beam 56 have the same vertical dimensions as the floor beam 53 and the ceiling beam 52, the joist 54 and the ceiling beam 56 have the most vertical dimensions within the designable range. It is getting bigger. Therefore, joist 5
4. The strength of the ceiling beam 56 can be increased, and the vertical load applied to each floor 22 of the second-floor building unit 13 can be effectively resisted.

Further, the electric wires 27A, 27B, 29A, 2
Since the ends of 9B are all concentrated in the center of the unit-type building 10, these electric wires 27A, 27B, 29A, 29
The end portions of B can be connected to each other at one place in the unit-type building 10, and the wiring work at the construction site can be efficiently performed.

It should be noted that the present invention is not limited to the above-described embodiment, but includes other configurations capable of achieving the object of the present invention, and the following modifications are also included in the present invention.
For example, in the above embodiment, the second-floor building unit 12B
Was a bottomless building unit, but the second floor building unit is included in the present invention even if it is a normal building unit equipped with floor beams. However, it is desirable that the second-floor building unit is a bottomless building unit because the above-mentioned effect can be obtained.

Further, in the above embodiment, the joists 54 and the ceiling joists 56 are commonly used, and the ceiling beams 52, floor beams 53, joists 54, and ceiling joists 56 have the same vertical dimension. However, the present invention includes cases where these members are not shared or cases where the vertical dimensions of the members are different. However, by doing so, the above-mentioned respective effects can be obtained, which is desirable.

In the above embodiment, the waste water pipe 40
However, the piping structure and the piping method of the present invention can be applied to, for example, a drain pipe connected to a sink or a bath.

[0040]

As described above, according to the present invention, since the horizontal pipe is piped in the space above the ceiling of the building unit on the lower floor side, the piping work can be easily performed in a normal posture. There is.

[Brief description of drawings]

FIG. 1 is a vertical sectional view showing a unit-type building to which a piping structure according to an embodiment of the present invention is applied.

FIG. 2 is a perspective view showing a framework of a building unit that constitutes the unit type building.

FIG. 3 is an enlarged vertical sectional view showing the piping structure.

FIG. 4 is a perspective view showing a skeleton of another building unit constituting the unit type building.

FIG. 5 is a vertical cross-sectional view showing a conventional piping structure.

[Explanation of symbols]

 10 unit type building 12A first floor building unit which is a building unit on the lower floor side 13A second floor building unit which is a building unit on the upper floor side 13B second floor building unit which is a bottomless building unit 19A ceiling space 22A underfloor space 41 vertical pipe 52 Ceiling beam 53 Floor beam 54 Joists 56 Ceiling beam 73 Horizontal pipe

Claims (6)

[Claims] 1. A plurality of building units produced in a factory are stacked at a construction site at least vertically, and a substantially horizontal horizontal pipe is provided inside, and a lower end is connected to one end of the horizontal pipe. In the piping structure of a unit-type building in which a vertical vertical pipe is piped, the horizontal pipe is piped in a space above the ceiling of a building unit on the lower floor of the plurality of building units, and the vertical pipe is A piping structure for a unit-type building, wherein the piping structure is arranged in an underfloor space of an upper-floor building unit arranged directly above the lower-floor building unit. 2. The unit-type building piping structure according to claim 1, wherein at least the upper-floor-side building unit includes a plurality of joists spanned between two parallel floor beams. The piping structure of a unit-type building characterized by 3. The piping structure for a unit-type building according to claim 2, wherein the vertical dimension of the joist is the same as the vertical dimension of the floor beam. 4. The unit-type building piping structure according to claim 3, wherein at least one building unit of the plurality of building units except the lower-floor building unit to which the lateral pipe is piped. A unit having two parallel ceiling beams having the same cross-sectional dimension as the floor beam, and a ceiling beam having the same outer shape as the joist is bridged between these ceiling beams. Style piping structure. 5. The unitless building piping structure according to claim 4, wherein there is no floor beam directly above the building unit provided with the ceiling beam, and a bottom portion is an open bottom building. Plumbing structure of a unit type building, where units are stacked. 6. A plurality of building units produced in a factory are built at a construction site by stacking them at least vertically, and a substantially horizontal horizontal pipe is provided inside, and a lower end is connected to one end of the horizontal pipe. A piping method for a unit-type building in which a vertical vertical pipe is piped, wherein the horizontal pipe is previously piped in a space above the ceiling of a building unit on the lower floor side of the plurality of building units in a factory. Together with the vertical pipe is piped in the underfloor space of the building unit on the upper floor that is stacked directly above the building unit on the lower floor side, and after stacking each building unit on the upper and lower floors at the building site A pipe method for a unit-type building, characterized in that the horizontal pipe and the vertical pipe are connected.