JP5629138B2 - Building unit and remodeling method of building unit - Google Patents

Description

The present invention relates to a building unit including four columns and a ceiling beam and a floor beam that connect the upper and lower ends of these columns to each other, and a building unit reforming method .

Built with a combination of four pillars standing at the four corners, and four building beams each having a frame with four ceiling beams and floor beams that connect the upper ends and lower ends of these columns. Unit type buildings are known.
In this unit type building, there is a unit type building having a skip floor in which a part of the floor surface is set at a different height level from the other floor surfaces.
When constructing such a unit type building, for example, as described in Patent Document 1, a building unit having an intermediate floor is used.
As shown in FIG. 6, the building unit T1 includes four pillars 1, four floor beams 2 connecting the lower ends of these pillars 1, and an intermediate floor provided at an intermediate position between the pillars. 3 and the three ceiling beams 4 that connect the upper end portions of the pillars 1, and the column 1 between which the ceiling beams 4 are not provided is a ceiling beam defect portion.
The intermediate floor 3 is constructed between two long-side intermediate beams 3a facing each other, two short-side intermediate beams 3b facing each other, and the long-side intermediate beams 3a and 3a, and the short-side intermediate beams 3b It is constituted by a plurality of parallel joists 3c and a face material (not shown) provided on the joists 3c.
The floor 5 located below the intermediate floor 3 is constructed between two long side floor beams 2a facing each other, two short side floor beams 2b facing each other, and the long side floor beams 2a, 2a, In addition, a plurality of joists 2c parallel to the short side floor beams 2b, and a face material (not shown) provided on the joists 2c are used.

  And when constructing a unit type building having a skip floor by a building unit T1 having such an intermediate floor 3 and a standard building unit T without an intermediate floor, for example, as schematically shown in FIG. Standard building units T and T are provided adjacent to each other on the first floor, and a building unit T1 provided with an intermediate floor 3 thereon and a standard building unit T are provided adjacent to each other, so that a space below the intermediate floor 3 is provided. The storage space S is accessible from the floor F on the second floor, and the space above the intermediate floor 3 can be the room R. Note that the upper space of the living room R protrudes into the cabin space R1.

JP 2008-274694 A

By the way, in general, with the passage of time, the resident's lifestyle may change or the constituent members who live in the residence may change. .
In such a case, it may be desired to change the upper and lower positions of the intermediate floor of the building unit or to remove the intermediate floor.
However, in the conventional building unit, the intermediate floor is constructed between two long-side intermediate beams facing each other, two short-side intermediate beams facing each other, and between these long-side intermediate beams, and the short-side intermediate beam It is composed of joists parallel to the beams, and face materials provided on the joists. The long-side intermediate beams and short-side intermediate beams are fixed to the columns by welding, so the position of the intermediate floor is changed. And cannot be easily removed.
Further, since the structural calculation of the building unit and the unit type building including the intermediate floor is performed, the intermediate floor cannot be easily removed from the structural calculation.

The present invention has been made in view of the above circumstances, and in a building unit having an intermediate floor, a building unit that can easily change the height of the intermediate floor, or can be attached and detached , and such a building unit are used. The problem is to provide a remodeling method .

In order to solve the above-mentioned problem, the invention described in claim 1 includes, as shown in FIGS. 1 to 5, for example, columns 11 erected at four corners and between the upper ends and lower ends of these columns 11. In the building unit T2 having the ceiling beam 14 and the floor beam 12 to be connected, and the intermediate floor 13 provided at the intermediate position of the column 11,
The intermediate floor 13 is excluded from the structural calculation elements of the building unit T2, and the intermediate floor 13 is attached to the pillar 11 so as to be height-changeable and detachable .
The intermediate floor 13 is configured by arranging a plurality of floor panels 16 side by side,
Support members 17 and 18 that support the floor panel 16 are attached to the pillar 11 so that the height can be changed and the attachment and detachment are possible .

  Here, the intermediate floor 13 is excluded from the structural calculation elements of building units and unit type buildings.

According to the first aspect of the present invention, since the intermediate floor 13 is attached to the pillar 11 so that the height can be changed, the height of the intermediate floor 13 can be easily changed.
Moreover, since the intermediate floor 13 is detachably attached to the pillar 11, the intermediate floor 13 can be easily attached and detached.
In addition, since the support members 17 and 18 that support the floor panel 16 are detachably attached to the column 11 so that the height can be changed, the position of the support members 17 and 18 can be changed to change the position of the intermediate floor 13. The height can be easily changed, and the intermediate floor 13 can be easily attached and detached by attaching and removing the support members 17 and 18.

The invention according to claim 2 is the building unit T2 according to claim 1,
A space 11a is provided between the adjacent columns,
A support member 17 that supports the floor panel 16 is also attached to the stud 11a so as to be changeable in height and detachable.

According to the invention described in claim 2, since the inter-column 11 a is provided between the adjacent columns 11, 11, when the intermediate floor 13 is removed, the inter-column 11 a and the inter-column 11 a and the column 11 An opening such as a window can be easily formed using the gap between the two.
Moreover, since the supporting member 17 is attached to the stud 11a so that the height is changeable and detachable, the plurality of floor panels 16 can be stably supported.

The invention according to claim 3 is the building unit T2 according to claim 2,
The support members 17 and 18 are detachably attached by screwing the bolts 20 to the nuts 22 fixed to the columns 11 and 11a through the support members 17 and 18,
A plurality of the nuts 22 are fixed at predetermined intervals in the vertical direction of the pillars 11 and the intermediate pillars 11a .

According to the third aspect of the present invention, a plurality of nuts 22 for screwing the bolts 20 for attaching the support members 17 and 18 are fixed at predetermined intervals in the vertical direction of the columns 11 and the intermediate columns 11a. The upper and lower mounting positions of 17 and 18 can be easily changed. As a result, the height of the intermediate floor 13 can be easily changed.

The invention according to claim 4 is the building unit T2 according to claim 2 or 3,
Of the four side surfaces of the building unit T2, the two studs 11a are provided on the portion facing the outer wall,
The four pillars 11 and 11a of the pillar 11 of the building unit T2 and the two intermediate pillars 11a are arranged at substantially equal intervals,
The plurality of floor panels 16 are three and are arranged adjacent to each other,
The support member 17 attached to the stud 11a supports the end portions of the floor panels 16 and 16 disposed adjacent to each other .

The invention according to claim 5 is a method for reforming the building unit T2 according to claim 4 ,
The intermediate floor 13 (16) and the support members 17 and 18 are removed from the pillar 11 and the intermediate pillar 11a,
It characterized that you forming an opening window or the like between the stud 11a, the pillar 11 and 11a and between the studs 11a.

According to the present invention, since the intermediate floor is attached to the pillar so that the height can be changed, the height of the intermediate floor can be easily changed.
Moreover, since the intermediate floor is detachably attached to the pillar, the intermediate floor can be easily attached and detached.

An example of the building unit which concerns on this invention is shown, and it is the perspective view. It is a perspective view which shows the state which removed the floor panel from the building unit same as the above. It is sectional drawing which shows the state which attached the support member to the pillar similarly. It is sectional drawing which shows the state which attached the support member to the pillar similarly. It is a figure which shows typically the unit type building constructed by the building unit which concerns on this invention. It is a perspective view which shows an example of the conventional building unit. It is a figure which shows typically the unit type building constructed by the conventional building unit.

Hereinafter, embodiments of a building unit according to the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view showing an example of a building unit according to the present invention, and FIG. 2 is a perspective view showing a state where a floor panel is removed from the building unit.

As shown in FIGS. 1 and 2, a building unit T2 according to the present invention includes four pillars 11 erected at four corners, and four floor beams 12 that connect lower ends of these pillars 11 to each other. The intermediate floor 13 provided at an intermediate position of the pillar 11 and the three ceiling beams 14 that connect the upper ends of the pillars 11 are provided between the pillars 11 that are not provided with the ceiling beam 14. It is considered as a ceiling beam defect.
Of the four side surfaces of the building unit T2, the two facing columns 11a and 11a are provided at predetermined intervals between the columns 11 and 11 on the portion facing the outer wall (not shown). The upper and lower end portions of the stud 11a are fixed to the ceiling beam 14 and the floor beam 12, respectively.
In addition, although illustration is abbreviate | omitted, between the long side floor beams 12a and 12a, several joists parallel to the short side floor beam 12b are constructed, and the face material is provided on these joists. As a result, a floor is provided below the intermediate floor 13.
Further, the inter-column 11a is not limited to the portion facing the outer wall, but may be provided between the columns 11 and 11 in a portion facing the inner wall or a portion not facing the wall.

The intermediate floor 13 is attached to the columns 11 and the inter-columns 11a in such a manner that the height can be changed and that the columns can be detached.
That is, first, the intermediate floor 13 is configured by arranging three floor panels 16 side by side and arranging them adjacent to each other. The floor panel 16 is formed by assembling vertical and horizontal eaves 16a and 16b into a rectangular frame, and a plurality of reinforcing bars 16c are provided inside the rectangular frame in parallel with the eaves 16a, and the upper surface of the rectangular frame is made of plywood or the like. The formed face material 16d is attached.
In FIG. 2, the floor panel 16 is shown upside down in order to show the saddle members 16a and 16b, the reinforcing bar member 16c, and the like.

  A support member 17 that supports the floor panel 16 is attached to the column 11 and the inter-column 11a located at the portion facing the outer wall (not shown) of the building unit T2 so that the height can be changed and the unit can be removed. A support member 18 that supports the floor panel 16 is detachably attached to the pillars 11, 11 located in a portion facing the interior of the building so as to be changeable in height.

As shown in FIG. 3, the support member 17 is a bracket having an L-shaped cross section. The support member 17 is attached to the pillar 11 and the interposition pillar 11 a and is formed at a right angle to the upper end of the attachment part 17 a to attach the floor panel 16. It is comprised from the support part 17b supported from the downward direction, and the reinforcement part 17c formed between the attachment part 17a and the support part 17b. Two holes for inserting the bolts 20 are formed in the mounting portion 17a so as to be spaced apart from each other in the vertical direction.
On the other hand, two holes 21 and 21 are formed in the columns 11 and 11a so as to be spaced apart from each other in the vertical direction, and nuts 22 and 22 that can be screwed to the bolts 20 are formed on the inner surfaces of the columns 11 and 11a. It arrange | positions coaxially with the said holes 21 and 21, and is fixed by welding etc.

  And the supporting member 17 is contact | abutted so that the two holes formed in the said attachment part 17a may become coaxial with the said holes 21 and 21 in the outer surface of the pillar 11 and the interposition pillar 11a. . Bolts 20 and 20 are inserted into two holes formed in the mounting portion 17a, and the bolts 20 and 20 are further inserted into the holes 21 and 21, screwed into the nuts 22 and 22, and tightened. Thereby, the supporting member 17 is detachably attached to the pillar 11 and the interposition pillar 11a.

A plurality of (three places) a pair of upper and lower nuts 22, 22 are fixed to the inner surface of the pillar 11 and the intermediate pillar 11 a at predetermined intervals in the vertical direction. And 21 and 21 are formed coaxially.
As described above, the upper and lower pairs of nuts 22 and 22 are fixed to the inner surfaces of the columns 11 and the inter-columns 11 a at three positions at predetermined intervals.
For example, the pair of upper and lower nuts 22 and 22 on the lower side are fixed at a position of about 1400 mm from the lower end of the column 11, and the pair of upper and lower nuts 22 and 22 on the center are fixed at a position of about 2100 mm from the lower end of the column 11. The upper and lower pair of nuts 22 and 22 are fixed at a position of about 2400 mm from the lower end of the column 11.
In the present embodiment, as shown in FIG. 3, bolts 20, 20 for attaching the support member 17 are screwed onto a pair of upper and lower nuts 22, 22 on the lower side. Then, by tightening the bolts 20 and 20, the support member 17 is firmly fixed to the outer surfaces of the columns 11 and the inter-columns 11a. The floor panel 16 is supported by the support member 17 from below by placing the end of the floor panel 16 on the support portion 17 b of the support member 17.
In addition, the edge part of the contact part of the floor panels 16 and 16 adjacent on the right and left is supported by the support member 17 attached to the stud 11a.

As shown in FIG. 4, the support member 18 is configured by an intermediate beam having a U-shaped cross section. Attachment plates 18a are fixed to both ends of the support member 18, respectively. Two holes for inserting the bolts 20 are formed in the mounting plate 18a so as to be spaced apart from each other in the vertical direction.
On the other hand, two holes 21 and 21 are formed in the column 11 so as to be spaced apart from each other. Nuts 22 and 22 that can be screwed into the bolt 20 are formed on the inner surface of the column 11 with the holes 21 and 21. It is arranged coaxially and fixed by welding or the like.

  The support member 18 is in contact with the mounting plate 18 a on the outer surface of the column 11 so that the two holes formed in the mounting plate 18 a are coaxial with the holes 21 and 21. Bolts 20 and 20 are inserted into two holes formed in the mounting plate 18a, and the bolts 20 and 20 are further inserted into the holes 21 and 21, screwed into the nuts 22 and 22, and tightened. Thus, the support member 18 is detachably attached to the column 11.

Further, a plurality of (up to three) pairs of upper and lower nuts 22 and 22 are fixed on the inner surface of the column 11 at predetermined intervals in the same manner as described above. Holes 21 and 21 are formed coaxially.
As described above, a pair of upper and lower nuts 22 and 22 are fixed to the inner surface of the column 11 at predetermined positions at a predetermined interval.
For example, the pair of upper and lower nuts 22 and 22 on the lower side are fixed at a position of about 1400 mm from the lower end of the column 11, and the pair of upper and lower nuts 22 and 22 on the center are fixed at a position of about 2100 mm from the lower end of the column 11. The upper and lower pair of nuts 22 and 22 are fixed at a position of about 2400 mm from the lower end of the column 11.
In the present embodiment, as shown in FIG. 4, bolts 20, 20 for attaching the support member 18 are screwed onto a pair of upper and lower nuts 22, 22 on the lower side. The support member 18 is firmly fixed to the outer surface of the column 11 by tightening the bolts 20 and 20. And the floor panel 16 is supported by the support member 18 from the downward direction by mounting the edge part of the floor panel 16 on the upper surface of this support member 18 (refer FIG. 1).

  As described above, the support members 17 and 18 are arranged so that the upper surface of the support portion 17b of the support member 17 and the upper surface of the support member 18 are flush with each other at desired positions at three positions above and below the pillar 1 and the inter-column 1a. Thus, the three floor panels 16 are horizontally attached to desired positions at three positions above and below the pillar 1. Accordingly, the intermediate floor 13 constituted by the three floor panels 16 is attached to the pillar 1 and the inter-column 1a so as to be changeable in height and detachable.

  When constructing a unit type building having a skip floor by the building unit T2 having the intermediate floor 13 as described above and the standard building unit T having no intermediate floor, for example, as schematically shown in FIG. The standard building units T and T are provided adjacent to each other on the first floor, and the building unit T2 provided with the intermediate floor 13 thereon and the standard building unit T are provided adjacent to each other. The space can be the storage space S that can be entered and exited from the floor F on the second floor, and the space above the intermediate floor 13 can be the room R. Note that the upper space of the living room R protrudes into the cabin space R1. The standard building unit T on the second floor is provided with a staircase K, and the staircase K can be used to go back and forth between the floor surface on the second floor and the intermediate floor 13.

And when changing the height of the intermediate floor 13 of the building unit T2 at the time of renovation, for example, as shown in FIG. 5B, by changing the position of the intermediate floor 13 to the upper end of the building unit T2. The building unit T2 can be used as the second floor living room R2, and the upper part of the intermediate floor 13 whose height has been changed can be used as the shed storage S1. In order to change the height of the intermediate floor 13, the floor panel 16 constituting the intermediate floor 13 is removed, and the support members 17 and 18 supporting the floor panel 16 are connected to the upper ends of the columns 1 and the inter-columns 1a. The floor panel 16 may be re-installed and supported on the support members 17 and 18.
Further, as shown in FIG. 5C, by removing the intermediate floor 13 of the building unit T2, the building unit T2 can be used as a second-floor room R2 that blows up to the shed space R1. In this case, the support member 17 may be removed from the columns 11 and the inter-columns 11a, and the support member 18 may be installed between the upper ends of the columns 11 and 11.
As described above, when the entire building unit T2 is the second floor room R2, the two pillars 11a and 11a are provided at predetermined intervals on the part of the building unit T2 facing the outer wall (not shown). Therefore, it is possible to easily form an opening such as a window using the space between the pillars 11a and 11a or between the pillars 11a and 11.

According to the present embodiment, since the intermediate floor 13 is attached to the pillar 1 and the intermediate pillar 11a so that the height can be changed and detachably attached, the height of the intermediate floor 13 can be easily changed, and the intermediate floor 13 can be Easy to install and remove.
Therefore, in the future, it is possible to easily perform reforming for changing the position of the intermediate floor 13 or removing it.
In addition, since the support members 17 and 18 that support the floor panel 16 constituting the intermediate floor 13 are detachably attached to the columns 11 and the inter-columns 11a, the positions of the support members 17 and 18 are determined. By changing, the height of the intermediate floor 13 can be easily changed, and by attaching and removing the support members 17 and 18, the intermediate floor 13 can be easily attached and detached.

Further, since a plurality of nuts 22 for screwing bolts 20 for attaching the support members 17 and 18 are fixed at predetermined intervals in the vertical direction of the pillars 11 and 11a, the upper and lower attachment positions of the support members 17 and 18 are determined. It can be easily changed, and as a result, the height of the intermediate floor 13 can be easily changed.
In addition, in the part facing the outer wall of the building unit T2, the inter-columns 11a are provided between the adjacent columns 11, 11, so when the intermediate floor 13 is removed, the inter-columns 11a, 11a An opening such as a window can be easily formed by utilizing the space between the pillars 11a and the pillars 11.
Moreover, since the supporting member 17 is attached to the stud 11a so that the height is changeable and detachable, the plurality of floor panels 16 can be stably supported.

In the present embodiment, the building unit T2 having the intermediate floor 13 is arranged on the second floor of the unit type building. However, the building unit T2 may be arranged on the first floor.
Moreover, in this Embodiment, although the supporting members 17 and 18 were attached at three places up and down of the pillar 11 or the spacer 11a, two or four or more places may be attached.

T2 building unit 11 pillar 11a stud 12 floor beam 13 intermediate floor 14 ceiling beam 16 floor panel 17, 18 support member 20 bolt 22 nut

Claims (5)

In a building unit having columns erected at the four corners, ceiling beams and floor beams interconnecting the upper ends and lower ends of these columns, and an intermediate floor provided at an intermediate position of the columns,
The intermediate floor is excluded from the structural calculation elements of the building unit, and the intermediate floor is attached to the pillar so as to be height-changeable and detachable .
The intermediate floor is configured by juxtaposing a plurality of floor panels,
A building unit characterized in that a supporting member for supporting the floor panel is attached to the pillar so as to be capable of changing its height and being detachable . The building unit according to claim 1 ,
Between the pillars adjacent to each other, a stud is provided,
The building unit is characterized in that a support member for supporting the floor panel is attached to the stud so as to be capable of changing its height and detachable. The building unit according to claim 2 ,
The support member is detachably attached by screwing a bolt through the support member to a nut fixed to the pillar and the stud,
A plurality of the nuts are fixed at predetermined intervals in the vertical direction of the pillars and the studs. In the building unit according to claim 2 or 3,
Of the four side surfaces of the building unit, two of the studs are provided on the portion facing the outer wall,
The four pillars of the building unit and the two pillars are arranged at substantially equal intervals,
The plurality of floor panels are three and are arranged adjacent to each other,
The building unit is characterized in that the ends of the floor panels arranged adjacent to each other are supported by the supporting members attached to the studs. A method for reforming a building unit according to claim 4,
Removing the intermediate floor and the support member from the pillars and the studs;
A building unit reforming method, wherein openings such as windows are formed between the inter-columns or between the inter-columns and the columns.

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