JP3253497B2 - Unit building - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a unit building.

[0002]

2. Description of the Related Art Conventionally, as a roof structure of a unit building,
There is one as described in JP-B-58-54221 (prior art 1). In the prior art 1, in a unit building including a plurality of building units, a roof unit is mounted above each building unit. At this time, each roof unit is the same size as the building unit on which it is mounted. Each roof unit is provided with a truss and a connecting beam below the roof surface support.

Another conventional roof structure of a unit building is disclosed in Japanese Utility Model Publication No. 1-24243 (prior art 2). According to the prior art 2, in a unit building composed of a plurality of building units, a hut assembly member is fixed to the center of the upper surface of the building, a central roof unit is mounted on the upper portion of the hut assembly member, and the hut A roof panel connected to the outer edge of the assembled member is mounted. At this time, each roof panel is the same size as the building unit on which they are mounted.

[0004]

However, the prior art has the following problems. Horizontal loads such as wind acting on the roof surface or gable surface of the unit building are borne by the roof unit trusses, joint beams (prior art 1), and hut assembly members (prior art 2). For this reason, a truss beam, a connecting beam, and a hut assembly member of the roof unit have a large cross section, or a large number of trusses need to be arranged on the roof unit, resulting in an increase in cost.

In the prior art 1, since the roof is constituted only by the roof unit, the truss beams and the truss columns are overlapped between the adjacent roof units, and the material efficiency and the production efficiency are low. Further, it is necessary to transport many large-capacity roof units from a factory to a construction site, and the transportation efficiency is poor.

In the prior art 2, since the roof panel is also used, the material efficiency and the transport efficiency are improved. However, when constructing the central roof of a building, it is necessary to assemble the hut assembly members that span multiple building units and to install the roof unit on the hut assembly members locally, which requires a lot of on-site construction man-hours and many Work at high altitudes.

In the prior art 2, when roof panels are used together, since each roof panel is the same size as the building unit, there is a limit in improving the handleability of the roof panel, and the eaves side structure of the building is diversified. There is no possibility of that.

An object of the present invention is to simplify the structure of a roof unit in a unit building and reduce costs.

Further, the present invention provides a unit building,
The objective is to improve material efficiency, production efficiency, and transport efficiency for roof construction, and to improve local workability.

[0010] Further, the present invention relates to a unit building,
The objective is to improve the handleability of roof panels and diversify the eaves side structure.

[0011]

According to a first aspect of the present invention, a roof unit is mounted on an upper part of a building structure including a plurality of building units, and the roof unit is mounted on an upper part of an eaves side of the building structure. A girder truss is installed on the girder surface of the roof unit in a unit building with a roof panel connected to the girder surface of the unit, and the eaves are the girder truss columns of the roof unit, the flow beams of the roof panel, and the ceiling beams of the building structure. Side building
The upper area of a single building unit that forms the wife's structure with the ceiling beam of the object unit and is provided on the eaves side of the building structure
The roof unit girder truss is divided into two or more divided areas
Dividing the area so that, Ri greens equipped with a roof panel connected to two or more divided regions digits surface of the roof unit,
The relationship between the roof unit and the roof panels is
Roof panels can be loaded into the unit's attic space
It is those formed by Noto.

According to a second aspect of the present invention, in the first aspect of the present invention, the roof unit further includes a girder truss at a lower portion of both the flow roof surface supports and is provided on the roof surface support. Part of the horizontal load can be borne by the rigidity of the roof surface components, and the girder truss is not placed on the vertical surface including the roof support ridge.

According to a third aspect of the present invention, in the first aspect of the present invention, the roof unit is a roof unit with a balcony.

According to a fourth aspect of the present invention, in addition to the first aspect of the present invention, the upper part of a single building unit provided on the eaves side of the building structure is arranged along the girder truss of the roof unit. It is divided into three or more parts, and roof panels are provided in at least divided areas on both sides.

The unit building according to the first aspect has the following effects (1) to (4). (1) When the roof is constructed, the roof unit and the roof panel are used together, so that the overlap of the truss beams and truss columns that make up the roof can be reduced, and material efficiency and production efficiency can be improved.

(2) When transporting the roof unit and the roof panel from the factory to the building site, the upper part of a single building unit provided on the eaves side of the unit building is divided along the girder truss of the roof unit, and two or more are divided. Because the roof panel connected to the girder surface of the roof unit is mounted in the divided area of
Since roof panels can be loaded into the attic space of the roof unit, transportation efficiency can be improved.

(3) By constructing the roof ridge and the like with a roof unit, the number of on-site construction steps can be reduced, and the work at a high place in the ridge and the like can be reduced.

(4) After the roof is constructed, the vertical load is borne by the girder truss, the horizontal load in the girder direction is also borne by the girder truss, and the horizontal load in the girder direction is borne by the girder structure. Stability can be achieved.

The unit building according to the second aspect has the same operational effects as those of the unit building according to the first aspect, and further has the following operational effects (1) and (2). (1) In the roof unit, the wind acting on the roof surface and gabled surface of the building is provided by making the roof surface components, such as trusses (main building) and field boards, which are always provided on both the flow roof surface support parts, have plane rigidity. By sharing a part of the horizontal load such as (a), (a) the cross-section of the truss beams and joint beams of the roof unit can be reduced, or (b) the required number of trusses can be reduced, and the cost can be reduced.

(2) According to the above (1), the girder truss can be displaced on the vertical plane including the ridge, and the space generated in the attic space can be increased, and this space can be used for an attic or the like. This space can also be used as a loading space for other members transported from the factory to the construction site.

The unit building according to the third aspect has the same operation and effect as the unit building according to the first aspect, and further has the following operation and effect. the above
According to (2), if the roof unit and roof panel are mounted on the upper part of the building, and the girder truss and the masonry are constructed, the roof unit does not need to be in the form of a so-called triangular roof. It may be another unit such as a unit. Therefore, a balcony having a stable structure can be easily constructed.

The unit building according to the fourth aspect has the same operation and effect as those of the unit building according to the first aspect, and further has the following operation and effect. When using the roof panel together with the roof unit, the upper part of the single building unit was divided into three or more divisions, and the roof panels were provided in at least the divided areas on both sides. That is, if the roof panel is made the same size as the building unit, it is not structurally possible to partially omit the roof panel at the top of the building. However, in the present invention, a single building unit is divided into three as described above.
In the inner split area, the roof is structurally divided even if there is no roof panel, since the roof panels that are divided into more than the split and placed in the inner split area are not used to form the wife's face. To establish. Therefore, it is possible to diversify the eaves-side structure by providing a balcony or the like without providing a roof panel in the inner divided areas. Further, by dividing the roof panel into smaller pieces than the size of a single building unit, it is possible to improve the transportability of the small-sized roof panel and the ease of handling such as on-site construction.

[0023]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a schematic diagram showing a unit building and its roof unit and roof panel, FIG. 2 is a schematic diagram showing a building unit, FIG. 3 is a schematic diagram showing a structure for supporting a horizontal load on a roof, and FIG. FIG. 5 is a schematic view showing a truss arrangement state of a roof unit, FIG. 5 is a schematic view showing an installation state of a roof unit with a balcony, FIG. 6 is a schematic view showing a split roof panel, and FIG. 7 is a schematic view showing a comparative example.

As shown in FIG. 1, the unit building 10
Short building units 11 and three long building units 1
2 are arranged adjacent to each other to form a building structure. The building unit 1 located at the center of the unit building 10
Each of roof units 21 and 22 is mounted on the upper part of 1 and 12, respectively. In addition, two roof panels 41A and 41B connected to the girder surface of the roof unit 21 are mounted on the upper part of the building unit 11 located on the front and rear eaves side of the unit building 10, and the building unit also located on the front and rear eaves side 1
Two roof panels 42 </ b> A to 42 </ b> C connected to the girder surface of the roof unit 22 are mounted on the upper part of the roof 2.

As shown in FIG. 2, the building unit 11 (the building unit 12 is also substantially the same) has four shaped steel floor beams 1.
3 and 4 square steel tube columns 14 and 4 shaped steel ceiling beams 1
5 is a skeleton structure joined to the frame structure 5.

As shown in FIG. 1, the roof unit 21 is a framed structure in which a girder truss 24 is joined to a lower part of both flow roof surface support portions 23. The roof surface support portion 23 includes one section steel ridge beam 23A, four section steel flow beams 23B, and two section steel joint beams 23C. The girder truss 24 is provided on the girder surface before and after the roof surface support portion 23, and each of the girder truss beams 27, the two girder truss columns 28,
It consists of two shaped steel sticks 29. The roof unit 2
In FIG. 1, the joining point of the brace 29 to the truss beam 27 is matched with the portion where the flow beam 43 of the roof panels 41A and 41B is connected to the truss beam 27.

As shown in FIG. 1, the roof unit 22 is a framed structure in which a girder truss 34 is joined to the lower part of both flow roof surface supports 33. The roof surface support portion 33 includes one section steel ridge beam 33A, four section steel flow beams 33B, and two section steel connection beams 33C. The girder trusses 34 are provided on the girder surfaces before and after the roof surface support portion 33, and each of the girder truss beams 37, two truss-shaped truss columns 38,
It is composed of two shaped steel sticks 39. The roof unit 2
In FIG. 2, the joining point of the brace 39 to the truss beam 37 matches the portion where the flow beam 53 of the roof panels 42A to 42C is connected to the truss beam 37.

The roof panels 41A and 41B (41A and 41B)
B has the same shape), as shown in FIG. 1, is a frame structure in which two section steel flow beams 43, two section steel horizontal frames 44, and one section steel intermediate frame 45 are joined. Body.

The roof panels 42A-42C (42A, 42
B is the same shape, and 42C is the narrow shape), as shown in FIG. 1, two flow beams 53 made of steel and two horizontal frames 54 made of steel.
And a single frame-shaped inner frame 55.

Hereinafter, (A) the structure of the roof units 21 and 22 and (B) the roof units 21 and 22 and the roof panel 41A,
Each of the roof structure including the roof panels 41B and 42A to 42C and the divided structure of the roof panels 42A to 42C will be described.

(A) Structure of the roof units 21 and 22 (FIGS. 1, 3, 4, and 7) The roof unit 21 (the roof unit 22 is also substantially the same) is, as described above, supported on both flow roof surfaces. In the one provided with the girder truss 24 at the lower part of the part 23, the rigidity of the roof surface components such as the rafters and the baseboards provided on the roof surface support part 23 makes it possible to bear a part of the horizontal load, The girder truss is not arranged on the vertical surface including the ridge 23A of the part 23. The roof unit 2
In 1, a roof surface component such as a bark or a field board is attached in advance at a factory.

Therefore, according to the configuration of (A), the following
There are the effects (1) and (2). (1) In the roof units 21 (22), the roof surface of the building 10 and the roof surface of the building 10 are given rigidity to the roof surface components such as the trees (main building) and the baseboard that are always provided in both the flow roof surface support portions 23. (A) The cross section of the truss beam 27 or the joint beam of the roof unit 21 is reduced, or (b) the truss 2
4 can be reduced and the cost can be reduced.

FIG. 3 shows the horizontal load F acting on the roof in the wedge direction.
The load component in the direction parallel to the roof surface
1, it is shown that the load is borne by the rigidity of the roof surface components such as the base plate 62 and the like. Fig. 4 (A) shows that the girder horizontal load F2 acting on the roof is borne by the rigidity of the roof surface components.
This shows that the required number of trusses 24 can be reduced compared to the conventional case (FIG. 4B).

(2) According to the above (1), the girder truss 24 can be displaced on the vertical surface including the ridge, and the space generated in the attic space can be increased, and this space can be used as an attic. This space can also be used as a loading space for other members transported from the factory to the construction site.

In the prior art, as shown in FIG. 7, in order to reduce the increase in the cross section of the girder trusses 24, 34 due to the concentrated load from the roof panel connection portions of the roof units 21, 22, the roof unit 21 has a roof. The hut set 101 corresponding to the connection part of the flow beams 43 of the panels 41A and 41B is used as the flow unit 53 of the roof panels 41A to 41C in the roof unit 22.
It is conceivable to add a hut set 102 corresponding to the connection part of the above. In the present invention, the cross sections of the girder trusses 24, 34 are not provided by the shed sets 101, 102 due to the concentrated load burden from the roof panel connection portion due to the rigidity of the roof surface component provided on the roof surface support portion 23 described above. Can be reduced. Thereby, the necessity of the hut assembly members when the hut assemblies 101 and 102 are provided and the assembling work thereof can be reduced, and the use of the hut back space and the improvement of the transportation efficiency using the hut back space can be realized.

(B) The roof structure (FIGS. 1 and 5) comprising the roof units 21 and 22 and the roof panels 41A, 41B and 42A to 42C. In the unit building 10, as described above, the building unit located at the center The roof units 21 and 22 are mounted on the upper portions of the eaves 11 and 12, and the roof panels 41A and 41 are connected to the girder surfaces of the roof units 21 and 22 on the eaves side of the building units 11 and 12.
B, mounted with roof panels 42A to 42C.

At this time, the roof units 21 and 22 are provided with girder trusses 24 and 34 on their girder surfaces, respectively.
The truss pillar 28 of the roof unit 22, the flow beam 43 of the roof panels 41 </ b> A and 41 </ b> B, and the ceiling beam 15 of the building unit 11 form a truss post.
A, 42B flow beam 53 and building unit 12 ceiling beam 1
5 together with the wife.

Therefore, according to the configuration of (B), the following
There are the effects (1) to (5). (1) When constructing the roof of the unit building 10, the roof units 21, 22 and the roof panels 41A, 41B, 42A to
Since the truss beams 27 and 37 and the truss columns 28 and 38 that constitute the roof are reduced,
Material efficiency and production efficiency can be improved.

(2) When transporting the roof units 21, 22 and the roof panels 41A, 41B, 42A to 42C from the factory to the building site, the roof panels 41A, 41B, 42A to 42C are placed in the attic space of the roof units 21, 22. Because they can be loaded, transportation efficiency can be improved.

(3) By constructing the roof ridge section and the like of the unit building 10 with the roof units 21 and 22, it is possible to reduce man-hours for on-site construction and also to reduce work at a high place in the ridge section and the like.

(4) After constructing the roof, the vertical load is
4 and 34, the girder truss 24
34, the horizontal load in the wife direction is to be carried by the wife structure, and the structure can be stabilized.

[0042] (5) above (4), the upper roof units 21 and 22 and the roof panel 41A of the unit building 10, 4
1B, 42A to 42C, and roof units 21, 22 as long as the girder trusses 24, 34 and the wife's face are configured.
May not be in the form of a so-called triangular roof, but may be another object such as a roof unit with a balcony. Therefore, a balcony having a stable structure can be easily constructed.

FIG. 5 shows a girder truss 7 on both girder surfaces instead of the roof unit 21 provided above the building unit 11 of FIG.
The roof unit 71 with a balcony having 1A and 71A is used. On both sides of the roof unit 71 with a balcony, balcony units 72, 72 with handrails are provided in an overhang shape.

(C) Split Structure of Roof Panels 42A to 42C (FIGS. 1 and 6) In the unit building 10, the upper part of the single building unit 12 provided on the eaves side is connected to the girder truss of the roof unit 22. 34, and is divided into three or more divisions (three divisions in this embodiment), and the roof panels 42A to 42
C was provided.

In this unit building 10, when the roof panels 42A to 42C are used in combination with the roof unit 22, the upper part of the single building unit 12 is divided into three or more parts, and the roof panels 42A and 42B are divided into at least two divided areas. Was provided. That is, when the roof panels 42A to 42C have the same size as the building unit 12, it is not structurally possible to partially omit the roof panels 42A to 42C above the unit building 10. However, in the present invention, since the single building unit 12 is divided into three or more as described above, and the roof panel 42C arranged in the divided area inside them is not used for forming the end face, In those inner divided areas, the roof is structurally established without the roof panel 42C. Therefore, diversification of the eaves-side structure can be achieved, for example, by providing a balcony without providing the roof panel 42C in the divided areas inside those. Further, by dividing the roof panel into smaller pieces than the size of a single building unit, it is possible to improve the transportability of the small-sized roof panel and the ease of handling such as on-site construction.

That is, as shown in FIG. 6A, the roof is structurally established even if the inner roof panel 42C is removed. FIG.
As shown in (B), the roof is not structurally established without the outer roof panel 42A (or 42B) without adding the reinforcing structure. FIG. 6C shows a configuration in which a balcony 81 is provided instead of the inner roof panel 42C.

The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration of the present invention is not limited to this embodiment, and a design change or the like may be made without departing from the gist of the present invention. Even if present, it is included in the present invention. For example, the roof unit and the roof panel are not limited to a steel structure, and may be made of a wooden structure.

[0048]

As described above, in the unit building of the present invention, the structure of the roof unit can be simplified and the cost can be reduced.

In the unit building of the present invention,
Material efficiency, production efficiency, and transport efficiency for roof construction can be improved, and on-site workability can be improved.

In the unit building of the present invention,
It is possible to improve the handleability of the roof panel and diversify the eaves side structure.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a unit building, its roof unit, and a roof panel.

FIG. 2 is a schematic diagram showing a building unit.

FIG. 3 is a schematic view showing a support structure for a horizontal load on a roof.

FIG. 4 is a schematic diagram showing a truss arrangement state of a roof unit.

FIG. 5 is a schematic view showing an installation state of a roof unit with a balcony.

FIG. 6 is a schematic diagram showing a split roof panel.

FIG. 7 is a schematic diagram showing a comparative example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Unit building (building structure) 11, 12 Building unit 15 Ceiling beam 21, 22 Roof unit 41A, 41B, 42A-42C Roof panel 23, 33 Roof surface support part 24, 34 Girder truss 28, 38 Truss pillar 43, 53 Flow beam 61 Barrel (roof surface component) 62 Field board (roof surface component) 71 Roof unit with balcony

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) E04B 7/02 511 E04B 1/348

Claims (4)

(57) [Claims] 1. A unit having a roof unit mounted on an upper part of a building structure including a plurality of building units, and a roof panel connected to a girder surface of the roof unit mounted on an upper part on the eaves side of the building structure. In the building, a girder truss is installed on the girder surface of the roof unit, and the girder truss column of the roof unit, the flow beam of the roof panel, and the ceiling beam of the building unit on the eaves side, which is the ceiling beam of the building structure, form the girder surface The top area of a single building unit on the eaves side of the building structure should be separated by at least two
Region so that the divided regions were split, Ri Na equipped with a roof panel connected to two or more divided regions digits surface of the roof unit, the relationship between the roof unit and the roof panel, the roof during transport
Roof panels can be loaded into the unit's attic space
A unit building characterized by the following. 2. The roof unit is provided with a girder truss at a lower portion of both the flow roof support portions, and can bear a part of a horizontal load due to rigidity of a roof component provided on the roof support portion. The unit building according to claim 1, wherein the girder truss is not arranged on a vertical plane including the ridge of the support part. 3. The unit building according to claim 1, wherein the roof unit is a roof unit with a balcony. 4. An upper part of a single building unit provided on the eaves side of the building structure is divided into three or more along a girder truss of the unit building, and roof panels are provided in at least divided regions on both sides. The unit building according to claim 1.