JP2023110690A - Assembling structure of building unit - Google Patents

Abstract

To provide an assembling structure of a building unit which enables interlayer spaces to be easily provided in a stable state between upper layers and lower layers in a unit building having a plurality of stories using a building unit.SOLUTION: There is provided an assembling structure 10 of a building unit for forming a unit building 20 formed by integrally assembling a plurality of units 11 for habitable space parts which are connected in vertical and lateral directions and have a hexahedron shape, and a plurality of units 12 for attic underfloor space parts having a hexahedron shape. The units 12 for attic underfloor space parts are arranged and assembled in internal spaces 23 between upper layers 21 composed of the units 11 for habitable space parts of the upper stories, and lower layers 22 composed of the units 11 for habitable space parts of the lower stories. The units 12 for attic underfloor space parts are arranged as roof units 12' and assembled above the units 11 for habitable space parts of a top layer 21'.SELECTED DRAWING: Figure 1

Description

The present invention relates to a structure for assembling a building unit, and more particularly to a structure for assembling a building unit formed by assembling a plurality of hexahedron-shaped units for a living space and a plurality of units for a ceiling space under the floor.

In recent years, for example, when constructing a building such as a residential building, for the purpose of shortening the construction period and improving work efficiency, etc., a hexahedral shape of a size that preferably fits in the bed of a large truck A unit building has been proposed which is constructed by transporting box-shaped building units manufactured in such a way to a construction site and assembling them, and a preferably wooden building for forming such a unit building. Various units have been developed (see Patent Documents 1 to 3, for example).

The building units described in Patent Documents 1 to 3 are manufactured in advance at a factory or the like, transported to a construction site by a truck or the like, and assembled at the construction site by preferably connecting them vertically and/or horizontally. When building a multi-story unit building, an inter-layer space should be provided between the upper and lower floors to create an attic space and It is desirable that the underfloor space has a sound insulation function and a heat insulation function, and that it can be used as a space for wiring and piping.

For this reason, in the conventional construction method of forming a multi-story unit building using building units, the building units that make up the lower floors are arranged in series in the horizontal direction to form the building structure of the lower floors, and then the building structure is formed. After laying floor beams and joists on top of the building structure of the lower floors, these floor beams and joists are used to support the building units that make up the upper floors. It is common practice to employ a method of forming a

JP 2008-14055 A JP 2016-205022 A Japanese Patent Application Laid-Open No. 2020-20178

However, after installing and laying floor beams and joists above the building structure of the lower floors by building units, these floor beams and joists are supported, and the building units constituting the upper floors are arranged in series, In the construction method of forming the building structure of the upper floors, floor beams and joists are assembled with high precision so that the building units of the upper floors can be installed in a predetermined position in a stable state on top of the building structure of the lower floors. Since it takes a lot of time and effort to lay a multi-story unit building using building units, it is easy to create a stable inter-story space between the upper and lower stories. It is desirable to develop a new technology that enables the provision of

In addition, since the building units can be manufactured in advance in a factory or the like with high precision, by making use of the characteristics of such building units that are manufactured in advance in a factory or the like, the upper floors and the lower floors can be manufactured in a more stable state. It is considered that an interlayer space can be provided more easily between the

The present invention utilizes the characteristics of building units manufactured in a factory or the like in advance to provide a building in which inter-layer spaces can be easily provided in a stable state between upper and lower floors in a multi-story unit building. An object of the present invention is to provide a unit assembly structure.

The present invention is formed by integrally assembling a plurality of hexahedral units for living space and a plurality of hexahedral units for underfloor space, which are arranged in series in the vertical and horizontal directions. , an assembly structure of building units for forming a unit building, wherein the above-mentioned The above object is achieved by providing an assembly structure for a building unit in which a unit for the space under the floor above the ceiling is arranged and assembled.

In the structure for assembling the building unit of the present invention, it is preferable that the unit for the space under the floor above the ceiling is arranged as a roof unit and assembled above the unit for the living space on the highest floor.

Further, in the assembly structure of the building unit of the present invention, the unit for the space under the floor under the ceiling is arranged continuously in the left-right direction in the inter-layer space, and the unit for the living space on the upper floor and the above-mentioned The units for the living space on the lower floor are arranged above or below the above-mentioned unit for the under-floor space in the inter-layer space, with an interval between the units for the under-floor space in the above-mentioned continuous space. It is preferred to have the parts assembled together.

Further, in the structure for assembling the building unit of the present invention, the units for the space under the floor above the ceiling are arranged in the inter-layer space at intervals in the left-right direction, and above the space between the inter-layer spaces. Alternatively, the unit for the living space on the upper floor and the unit for the living space on the lower floor are arranged with an interval in the left-right direction only in the lower part, so that the living space unit and the underfloor above the ceiling It is preferable that the space unit has a portion that is arranged and assembled in a checkered pattern.

Furthermore, in the assembly structure of the building unit of the present invention, the above-mentioned unit located in the interval portion between the upper floor living space unit and the lower floor living space unit which are arranged with an interval in the left-right direction. It is preferable that the above-ceiling underfloor space units are assembled in a state in which the length in the width direction is adjusted according to the interval width of the space between these living space units.

Further, in the assembly structure of the building unit of the present invention, each of the plurality of units for the upper floor living space and the plurality of units for the lower floor living space having a hexahedral shape is a hexahedron of the same size and shape. It preferably has a shape.

Further, in the assembly structure of the building unit of the present invention, it is preferable that wiring and piping are arranged in the above-mentioned unit for the underfloor space above the ceiling.

Furthermore, in the assembly structure of the building unit of the present invention, it is preferable that a sound insulating material and/or a heat insulating material and/or a fire preventive material are accommodated in the unit for the space under the floor above the ceiling.

According to the building unit assembly structure of the present invention, the inter-layer space between the upper floor and the lower floor in a multi-story unit building is stabilized by taking advantage of the characteristics of the building unit manufactured in advance in a factory or the like. can be easily installed in any situation.

FIG. 1 is a schematic perspective view illustrating an assembly structure of building units according to a first preferred embodiment of the present invention. FIG. 2 is a schematic perspective view illustrating the form of the living space unit. FIG. 3 is a schematic perspective view illustrating another form of the living space unit. FIG. 4 is a schematic perspective view illustrating the form of the unit for the space in the ceiling space under the floor. FIG. 5 is a schematic perspective view illustrating an assembly structure of building units according to a preferred second embodiment of the present invention. FIG. 5 is a schematic perspective view illustrating an assembly structure of building units according to a preferred third embodiment of the present invention. FIG. 7 is an explanatory view when using the unit for the underfloor space above the ceiling by adjusting the length in the width direction according to the interval width of the space between the units for the living space.

A building unit assembly structure 10 according to a first preferred embodiment of the present invention shown in FIG. It was adopted as a structure for forming. The assembly structure 10 of the building unit of the first embodiment uses the living space unit 11 having a hexahedral shape that constitutes the living space of the unit building 20 and is manufactured in advance in a factory or the like. It is possible to shorten the construction period and improve work efficiency when constructing, and in particular, by using the unit 12 for the ceiling space under the floor that has a hexahedral shape that is similarly manufactured in advance at a factory or the like While taking advantage of the characteristics of these building units 11 and 12 that are manufactured in advance, wiring and piping are arranged between the upper story 21 and the lower story 22, and sound insulation, heat insulation, fire prevention, etc. are installed. It is possible to easily provide an interlayer space 23 in a stable state for accommodating and effectively exhibiting a sound insulation function, a heat insulation function, a fire prevention function, and the like.

The building unit assembly structure 10 of the present embodiment includes a plurality of living space units 11 having a hexahedral shape and a plurality of underfloor space portions having a hexahedral shape, which are arranged in series in the vertical and horizontal directions. An assembly structure for forming a unit building 20, which is formed by assembling together the living space unit 12 on the upper floor and the living space on the lower floor. The unit 12 for the space under the floor above the ceiling is arranged and assembled in the inter-layer space 23 between the unit 11 for the room and the lower floor 22. - 特許庁

Further, in the first embodiment, preferably above the living space unit 11 on the uppermost floor 21', the ceiling underfloor space unit 12 is arranged and assembled as the roof unit 12'.

Furthermore, in the first embodiment, each of the plurality of living space units 11 on the upper floor 21 and the plurality of living space units 11 on the lower floor 22, which preferably have a hexahedral shape, is a hexahedron of similar size and shape. have a shape.

In the first embodiment, the unit building 20 is, for example, a three-story building, preferably forming an apartment complex in which a plurality of living spaces are arranged adjacently on each floor. . Each living space is preferably formed using a hexahedron-shaped living space unit 11 that is manufactured in advance in a factory or the like with high precision, as shown in FIGS. 2 and 3, for example. .

That is, the living space unit 11 shown in FIG. 2 is preferably formed using planar structural panel members 11a made of orthogonal laminated boards. A desired structural strength can be imparted to the unit building 20 after being constructed. Further, the living space unit 11 shown in FIG. 3 includes four corner structural column members 11b arranged upright at four corners of a hexahedron, and these corner structural column members 11b. Each of four upper structural beam members 11c and four lower structural beam members 11d arranged by connecting the upper end portion and the lower end portion of the column member 11b, respectively. At least one surface of the lower surface is closed, and the peripheral edge is attached by being joined to the upper structural beam member 11c or the lower structural beam member 11d, and the four side surfaces of the hexahedral shape At least one surface is provided with a side load-bearing face member 11f attached by joining the upper edge and the lower edge to the upper structural beam member 11c and the lower structural beam member 11d, respectively. The unit building 20 after being constructed by the corner structural column members 11b, the upper structural beam members 11c, and the lower structural beam members 11d, which are structural framework members, is provided with a desired structure. It is designed to provide structural strength. The living space unit 11 forms various living spaces such as a washing room, a machine room, a corridor, etc., in addition to the living room.

Adjacent building units 11 and 12 including the space unit 12 for the above-ceiling and under-floor space are integrally joined together by joining hardware described later, and for example, a structural panel member is provided. 11a, flat load-bearing surface material 11e, and side load-bearing surface material 11f are not attached, by appropriately attaching a partition panel member as necessary, one or a plurality of adjacent living space units 11, Each living room space can be formed now.

In addition, in the first embodiment, between the first and second floors of the three-story unit building 20 and between the second and third floors, the units 11 for the upper floors of the living space are installed. By assembling the unit 12 for the space under the floor above the ceiling between the upper floor 21 by the above and the lower floor 22 by the unit 11 for the living space on the lower floor, an inter-layer space 23 is formed. there is As described above, above the living space unit 11 on the third floor that constitutes the top floor 21', the unit construction is achieved by assembling the attic underfloor space unit 12 as the roof unit 12'. A roof portion 24 of the object 20 is to be formed. The ceiling underfloor space unit 12 having a hexahedral shape, which is formed by the inter-layer space 23 and the roof 24, has a height corresponding to the ceiling space and the underfloor space, and is preferably one unit of the living space unit 11. The unit has a height of about 1/15 to 1/5, and can be manufactured in advance in a factory or the like with high accuracy, like the unit 11 for the living space.

That is, as shown in FIG. 4, the unit 12 for the space under the ceiling space is lower than the unit 11 for the living space by using a planar structural panel member 12a preferably made of an orthogonal laminated board. It is designed to form a hexahedral shape, which allows the unit building 20 after being constructed to have the desired structural strength. In addition, the space unit 12 for the space under the ceiling space 12 includes four corner structural column members arranged to stand at four corner portions of the hexahedral shape in the same manner as the unit 11 for the living space space. , four upper structural beam members and four lower structural beam members arranged by connecting the upper end portions and lower end portions of these corner structural column members, respectively. building units such that these structural framing members provide the desired structural strength to the unit building 20 once constructed. The unit 12 for the attic underfloor space may have a hexahedral shape with no panel members on the upper and lower surfaces and side surfaces, and preferably only with a frame structure using structural frame members.

In the first embodiment, the unit 11 for the living space and the unit 12 for the space above the floor above the ceiling, which are manufactured in advance in a factory or the like, can be loaded on a truck or the like and easily transported to the construction site. At the transported construction site, the living space unit 11 and the ceiling space unit 12 are arranged vertically and horizontally in series using, for example, a heavy lifting machine, and are preferably joined as described later. By a simple work of only assembling in an integrally joined state using hardware, a space under the floor above the ceiling is formed between the upper story and the lower story by the living space unit 11 as shown in FIG. 1, for example. It is possible to efficiently form the unit building 20 provided with the inter-layer space 23 by the unit 12 in a stable state.

That is, according to the assembly structure of the building units of the first embodiment, while taking advantage of the characteristics of the building units 11 and 12 having considerable structural strength, which can be manufactured in advance in a factory or the like with high precision and strength, An inter-layer space 23 between an upper story 21 and a lower story 22 in a multi-story unit building 20 can be stabilized by a simple work of assembling these building units 11 and 12 at a construction site using joint hardware. It is possible to efficiently and easily provide them in the state where they are installed.

Here, as the joining hardware for joining the living space unit 11 and the attic underfloor space unit 12, in addition to various well-known joining hardware, it is preferable to apply for the application filed by the applicant on the same date as the present application. The unit joint metal described in Japanese Patent Application No. 2022-12221 and Japanese Patent Application No. 2022-12222 can be used. By using the unit joining metal fittings described in Japanese Patent Application No. 2022-12221 and Japanese Patent Application No. 2022-12222 as the joining metal fittings for joining the living space unit 11 and the ceiling underfloor space unit 12, a plurality of buildings An existing unit building 20 formed by assembling units 11 and 12 is dismantled into individual building units 11 and 12, and then a plurality of building units 11 and 12 obtained by dismantling are transferred to another construction site. Even in the case of adopting a construction method of transporting and reassembling the transported plurality of building units 11 and 12 at another construction site to reconstruct a new unit building 20, the integrated multiple building units 11 and 12 Such a construction method can be realized by smoothly releasing the joined state of the building units 11 and 12 and by smoothly rejoining and integrating the building units 11 and 12 installed in series. Efficient construction is possible.

In addition, in the first embodiment, each of the plurality of living space units 11 on the upper floor 21 and the living space units 11 on the lower floor 22, which preferably have a hexahedral shape, preferably has the same size and shape. Since the specifications are unified as having a hexahedron shape, it is preferable to dismantle the existing unit building 20 and construct the plurality of building units 11 and 12 after dismantling. When transporting the building units 11 and 12 transported to the site and reassembling the transported building units 11 and 12 to reassemble the unit building 20, the specifications of the units 11 for the living space section are unified. It is possible to easily construct a new unit building 20 with a different arrangement of the living space units 11, such as replacing the living space units 11 of the above.

Furthermore, in the first embodiment, preferably above the living space unit 11 on the uppermost floor 21', the space unit 12 for the space under the floor above the ceiling is arranged and assembled as the roof unit 12'. For example, by applying waterproofing or other necessary processing to the upper surface of these roof units 12', the roof 24 is attached to the unit building 20, and the unit 12 for the ceiling space under the floor space previously manufactured in a factory or the like. can be efficiently formed using

Furthermore, in the first embodiment, the unit is assembled in the inter-layer space 23 interposed between the upper floor 21 by the upper floor living space unit 11 and the lower floor 22 by the lower floor living space unit 11. The unit 12 for the underfloor space in the attic and the unit 12 for the underfloor space in the attic that is assembled as the roof unit 12' above the unit 11 for the living space on the top floor 21' includes the structural panel member 12a and the unit 12 for the space under the ceiling. , Corner structural column members, upper structural beam members, lower structural beam members, and other structural frame members provide a considerable load-bearing structure, so they are joined to the above ceiling space underfloor space unit 12. The upper and lower living space units 11 are effectively reinforced, thereby reducing the thickness of each living space unit 11 and reducing the structural axis By reducing the cross section of the assembly member, it becomes possible to design it as a simpler one.

FIG. 5 shows a building unit assembly structure 13 according to a second preferred embodiment of the present invention. In the assembly structure 13 of the building unit of the second embodiment shown in FIG. In the space 23, the units 12 for the space under the floor above the ceiling are arranged continuously in the horizontal direction, and the units 11 for the living space on the upper floor and the units 11 for the living space on the lower floor are arranged in a continuous space above the ceiling. It has a part that is arranged above or below the underfloor space unit 12 in the inter-layer space 23 and assembled at intervals with respect to the underfloor space unit 11 . These points are different from the building unit assembly structure 10 of the first embodiment.

According to the building unit assembly structure 13 of the second embodiment shown in FIG. Preferably, by attaching an outer wall panel or the like to the space above or below the back floor space unit 12 where the living space unit 11 is not arranged, the space can be used as a living room space. Therefore, it is possible to secure a living room space of the same volume while reducing the number of installed living space units 11 to be used and reducing the volume of the building.

FIG. 6 shows a building unit assembly structure 14 according to a third preferred embodiment of the present invention. In the building unit assembly structure 14 of the third embodiment shown in FIG. In the space 23, the units 12 for the underfloor space above the ceiling are arranged at intervals in the horizontal direction, and the units 11 for the living space on the upper floor are arranged only above or below the interval between the inter-layer spaces 23. By arranging the living space units 11 on the lower floor at intervals in the left-right direction, the living space units 11 and the ceiling underfloor space units 12 are arranged in a checkered pattern. has a part attached to it. These points are different from the building unit assembly structure 10 of the first embodiment and the building unit assembly structure 16 of the second embodiment.

According to the building unit assembly structure 14 of the third embodiment shown in FIG. Preferably, an outer wall panel or the like is attached to the space between the units 12 for the space under the ceiling space, which are arranged at intervals in the left-right direction, so that the number of the units 12 for the space under the ceiling space to be used can be reduced and the building can be constructed. While reducing the volume of the timber, it is possible to use the interval portion as a space for arranging wiring and piping, and for accommodating sound insulating material, heat insulating material, fireproof material, and the like.

In addition, in the building unit assembly structure 13 of the second embodiment shown in FIG. 5 and the building unit assembly structure 14 of the third embodiment shown in FIG. As shown in FIG. 7, the underfloor space unit 12 located in the space between the living space unit 11 on the first floor and the living space unit 11 on the lower floor is located between the living space units 11. It is also possible to assemble in a state in which the length in the width direction is adjusted according to the interval width of the interval portion. As a result, it is possible to adjust the size of the inter-layer space 23, which makes it possible to arrange wiring and piping, to accommodate sound insulation materials, heat insulation materials, fire prevention materials, etc., and to adjust the size of the living room space. As it becomes, it becomes possible to adjust the scale of the building.

It should be noted that the present invention is not limited to the above-described embodiments, and various modifications are possible. For example, the unit for the living space and the unit for the underfloor space above the ceiling that form the assembly structure of the building unit of the present invention are a building unit made of wall panels using structural panel members, and a framework construction method using framework members. The building unit does not necessarily have to be a building unit for the hexahedral shape, and may be a building unit having other various hexahedral shapes. A building unit having a hexahedral shape other than a wooden one may be used. A roof structure made of members other than the attic underfloor space unit may be provided above the living space unit on the highest floor. The assembly structure of the building unit of the present invention does not necessarily have to be an assembly structure that constitutes the entire building, and a part of the building may include the assembly structure of the building unit of the present invention.

10, 13, 14 Assembly structure of building unit 11 Living space unit (building unit)
11a Structural panel member 11b Corner structural column member 11c Upper structural beam member 11d Lower structural beam member 11e Plane load-bearing surface material 11f Side load-bearing surface material 12 Unit for the space under the ceiling space (building unit)
12a Structural panel member 12' Roof unit 20 Unit building (building)
21 Upper floor 21' Uppermost floor 22 Lower floor 23 Inter-layer space 24 Roof

Claims (8)

A unit building formed by assembling together a plurality of hexahedron-shaped living space units and a plurality of hexahedral-shaped units for a ceiling underfloor space, which are arranged in series in the vertical and horizontal directions. An assembly structure of building units for forming a
A building unit in which the attic underfloor space unit is arranged and assembled in the inter-layer space between the upper floor by the upper floor living space unit and the lower floor by the lower floor living space unit. assembly structure. 2. The assembly structure of building units according to claim 1, wherein said attic space underfloor unit is arranged and assembled as a roof unit above said living space unit on the highest floor. In the inter-layer space, the units for the space under the floor above the ceiling are arranged continuously in the horizontal direction, and the units for the living space on the upper floor and the units for the living space on the lower floor are arranged continuously. It has a part that is arranged and assembled above or below the unit for the underfloor space in the inter-layer space at an interval with respect to the unit for the underfloor space in the ceiling space. 3. Assembly structure of the building unit according to Item 1 or 2. In the inter-layer space, the units for the space under the floor above the ceiling are arranged at intervals in the left-right direction, and only above or below the interval part of the inter-layer space is for the living space on the upper floor. By arranging the units and the units for the living space on the lower floor with a gap in the left-right direction, the units for the living space and the units for the underfloor space above the ceiling are arranged in a checkered pattern. 3. The assembly structure of the building unit according to claim 1 or 2, comprising an assembled part. The unit for the upper floor living space section and the unit for the lower floor living space section, which are arranged with an interval in the left-right direction, are located in the space between these living space sections. 5. The building unit assembly structure according to claim 3 or 4, wherein the building units are assembled in a state in which the length in the width direction is adjusted in accordance with the interval width of the interval portions of the building units. 6. Each of the plurality of units for the living space section on the upper floor and the units for the living space section on the lower floor having a hexahedral shape has a hexahedral shape of the same size and shape. or the assembly structure of the building unit according to item 1. 7. The assembly structure of the building unit according to any one of claims 1 to 6, wherein wiring and piping are arranged in the above-ceiling underfloor space unit. The building unit assembly structure according to any one of claims 1 to 7, wherein a sound insulation material and/or a heat insulation material and/or a fire prevention material are accommodated in the above-ceiling underfloor space unit.