JP5775333B2 - Unit for balcony, unit type building and construction method for unit type building - Google Patents

Description

  The present invention relates to a balcony unit, a unit type building provided with the balcony unit, and a method for constructing the unit type building.

2. Description of the Related Art Conventionally, a unit type building is known in which a building unit in which a substantially rectangular frame is formed from columns and beams is manufactured at a factory, and a plurality of building units are combined at a construction site.
In this unit type building, various balconies may be provided on the upper floor portion, and as this balcony, there is an inner balcony in which a balcony is formed inside the building unit.
As a conventional example of an inner balcony, there is one in which a waterproof pan is disposed on a large beam constituting a floor portion of a unit, and an entrance opening is provided on the upper portion of the large beam (Patent Document 1).
Moreover, there exists what fixed the waterproof pan to the ceiling part of the housing unit which has an upper beam, a lower beam, and a pillar (patent document 2).

JP-A-8-49302 Japanese Patent No. 2746426

In the conventional example shown by patent document 1, a waterproof pan is installed on the floor part of an inner balcony. This conventional example has a problem that it is difficult to go to the balcony from the opening of the building unit on the upper floor adjacent to the inner balcony because the upper roof has to be raised for waterproof construction.
Patent Document 2 only shows a configuration in which the waterproof pan is fixed to the ceiling portion of the housing unit, and this housing unit is not used as an inner balcony. Therefore, there is no disclosure of a rational mounting structure between the pillars constituting the inner balcony and the waterproof pan.

  An object of the present invention is to provide a unit for a balcony, a unit type building, and a method for constructing a unit type building that can easily go to and from the balcony space.

The balcony unit 50 according to the present invention includes a rectangular parallelepiped frame 13 formed of an upper beam 11, a lower beam 12, and a column 10, and a hand that is erected on the lower beam 12 and has a base end 90 on the lower end side. A sliding column 9 and a waterproof pan 8 at least partially located in a space surrounded by the lower beam 12 and having a balcony space BS formed thereon are provided. The tip of the waterproof pan 8 and the lower beam 12 are provided. Are fixed at the base end portion 90 of the handrail support column 9, and the base end portion 90 of the handrail support column 9 is installed across the front end portion of the waterproof pan 8 and the lower beam 12, The waterproof pan 8 includes a main body 80 and mounting beams 811 to 814 provided around the main body 80, and the mounting beams 811 to 814 are disposed to face the lower beam 12 .
In the present invention of this configuration, the waterproof pan is located in a space surrounded by the lower beam. Therefore, when an opening is provided for going to and from the balcony in the vicinity of the lower beam, the lower end position of the opening is set. There is no need to raise it. This makes it easier to get to and from the balcony. In addition, since the distal end portion of the waterproof pan and the lower beam are fixed at the base end portion of the handrail support column, the balcony unit can be easily constructed.
Moreover, since the base end of the handrail support straddles the tip of the waterproof pan and the lower beam, the tip of the waterproof pan and the lower beam and the base end of the handrail support are fixed simultaneously. Therefore, the fixing strength can be increased.
In addition, since the mounting beam constituting the waterproof pan and the lower beam of the frame are arranged opposite to each other, it is possible to increase the area of these upper surfaces and to reliably support the base end of the handrail support column. It can be carried out.

The lower beam includes a first lower beam 12B disposed opposite to each other and a second lower beam 12A disposed orthogonal to the first lower beam 12B, and one of the first lower beams 12B includes the A handrail support column 9 is attached, and an intermediate lower beam 12C is installed between the second lower beam 12A so as to be parallel to the first lower beam 12B. The intermediate lower beam 12C and the handrail support column 9 It is preferable that the waterproof pan 8 is provided on the first lower beam 12B provided with an opening 18A for entering and exiting the balcony space BS above the intermediate lower beam 12C.
In the present invention with this configuration, a balcony is formed between one of the first lower beam and the intermediate lower beam, and the living room can be accessed between the intermediate lower beam and the other first lower beam. Therefore, the balcony and the living room can be rationally arranged in one balcony unit.

The unit building 1 of the present invention is installed under the balcony unit 50 having the above-described configuration and the balcony unit 50, and a rectangular parallelepiped frame 13 is formed from the upper beam 11, the lower beam 12, and the column 10. The lower floor building unit 3 is provided, and the waterproof pan 8 is installed on a ceiling portion composed of the upper beam 11 of the lower floor building unit 3.
In the present invention having this configuration, the waterproof pan is installed on the ceiling portion of the lower-floor building unit, so that the waterproof pan is higher than the lower end position of the waterproof pan as compared with the case where the waterproof pan is attached to the lower beam of the balcony unit. Therefore, it is possible to provide a unit building that can achieve the above-described effects.

The unit building construction method of the present invention includes a unit unit 500 for a balcony including a rectangular parallelepiped frame 13 formed from an upper beam 11, a lower beam 12, and a pillar 10, and a handrail support column 9, The lower floor building unit 3 is manufactured, and the lower floor building unit 3 is installed at a construction site. The waterproof pan 8 is installed on the ceiling portion of the lower floor building unit 3. The balcony unit main body 500 is installed on the lower floor building unit 3 on which the waterproof pan 8 is installed, and the tip of the waterproof pan 8 is close to the lower beam 12 of the balcony unit main body 500. In addition, the distal end portion of the waterproof pan 8 and the lower beam 12 are fixed by a proximal end portion 90 of the handrail support column 9.
In the present invention having this configuration, the waterproof pan is disposed on the ceiling portion of the lower floor building unit, and after the balcony unit is installed on the lower floor building unit, the tip of the waterproof pan is placed on the balcony unit. Because the base and the bottom beam of the balcony unit are fixed at the base end of the handrail support, the waterproofing of the balcony must be performed more securely on site compared to the conventional method where the waterproofing is performed separately at the factory and at the site. Can do.

The perspective view which shows schematic structure of the unit type building concerning one Embodiment of this invention. The perspective view which shows the framework of a building unit. Sectional drawing which shows the state in which the unit for balcony was installed on the building unit for lower floors. Sectional drawing which shows the state in which the unit for balcony was installed on the building unit for lower floors, and was seen from the direction orthogonal to FIG. The perspective view which shows the state in which the unit for balcony was installed on the building unit for lower floors. The perspective view for demonstrating the process of installing the unit for balcony on the building unit for lower floors. The perspective view for demonstrating the process of installing the unit for balcony on the building unit for lower floors. The perspective view for demonstrating the process of installing the unit for balcony on the building unit for lower floors.

An embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows a unit building 1 according to this embodiment.
In FIG. 1, a unit type building 1 is composed of a lower floor part 4 composed of, for example, four lower floor building units 3 provided on a foundation 2, and the lower floor part 4 upper floor building unit 3. The upper floor part 6 composed of the three upper floor building units 5 and the balcony unit 50 placed on the upper floor part 6 and the roof part 7 provided above the upper floor part 6 are configured. The lower-floor building unit 3 disposed below the balcony unit 50 is a conventional inner balcony having a living room and a balcony. Moreover, the roof part 7 may be comprised including a shed frame and the roof panel supported by this shed frame.

The lower floor building unit 3 has a schematic configuration shown in FIG.
As shown in FIG. 2, the lower-floor building unit 3 includes four columns 10 erected at the four corners, four upper beams 11 that connect the upper ends of these columns 10, and each column 10. It has the framework 13 containing the four lower beams 12 which connect between the lower ends of each, and is formed in the substantially rectangular parallelepiped shape.
The upper beam 11 is composed of two long side upper beams 11A and short side upper beams 11B, and the lower beam 12 is composed of two long side lower beams 12A and short side lower beams 12B.
The column 10 and the upper beam 11 and the lower beam 12 are connected via a joint 14.
Each of the lower-floor building unit 3 and the upper-floor building unit 5 is provided with a brace 15 and a plurality of ceiling beams 16 on the ceiling portion, and a plurality of joists 17 on the floor portion (FIG. 5). reference).
The upper floor building unit 5 has the same structure as the lower floor building unit 3.

FIG. 3 shows a sectional view of the balcony unit 50 installed on the lower floor building unit 3, and FIG. 4 shows a sectional view seen from a direction orthogonal to FIG. FIG. 5 is a perspective view showing a state in which the balcony unit 50 is installed on the lower floor building unit 3.
3 to 5, the balcony unit 50 has the same skeleton 13 as the skeleton 13 of the lower-floor building unit 3. That is, the frame 13 of the balcony unit 50 includes four pillars 10 erected at the four corners and two long-side upper beams 11A and short-side upper beams 11B that connect the upper ends of these pillars 10 to each other. And the two long side lower beams 12A and the short side lower beams 12B that respectively connect the lower ends of the columns 10 to each other. Here, in the present embodiment, the short side lower beam 12B of the balcony unit 50 constitutes the first lower beam, and the long side lower beam 12A constitutes the second lower beam.
The balcony unit 50 may be formed with an opening only on one surface facing the outside of the building, or may be formed with two surfaces facing the outside of the building.

Between the short side lower beams 12B facing each other, both end portions of the intermediate lower beam 12C are joined to the long side lower beam 12A, respectively, and the intermediate lower beams 12C of these long side lower beams 12A are joined to each other. Are joined to the lower ends of the intermediate pillars 10A. The upper ends of these intermediate pillars 10A are joined to the long-side upper beam 11A. The middle upper beam 12C is joined between the long side upper beams 11A and above the middle lower beam 12C. The intermediate upper beam 12C, the intermediate column 10A, and the intermediate lower beam 12C are provided with a wall portion 18. The wall portion 18 is provided with a sash window 18A that is an opening for entering and exiting the balcony space BS. A wall 19 is provided on a side surface orthogonal to the wall portion 18, and a sash window 19 </ b> A is provided on the wall 19.
As described above, in this embodiment, the balcony unit main body 500 is configured to include the skeleton 13, the intermediate lower beam 12 </ b> C, the intermediate column 10 </ b> A, the intermediate upper beam 11 </ b> C, the wall portion 18, and the wall 19.

The building center side from the wall portion 18 of the balcony unit 50 is a living room LS, and the outer peripheral side of the building is a balcony space BS.
Although the ceiling beam 16 and the brace 15 are provided in the living room LS and the balcony space BS in the ceiling part of the balcony unit 50, the joist 17 is provided in the part corresponding to the living room LS in the floor part. A plane rectangular space surrounded by the intermediate lower beam 12C, the short-side lower beam 12B, and the long-side lower beam 12A is formed without a joist 17 in the portion corresponding to the balcony space BS. In this space, that is, in the lower part of the balcony space BS, a waterproof pan 8 made of a metal such as aluminum or a synthetic resin such as polycarbonate is disposed.

The waterproof pan 8 includes a planar rectangular main body 80, and a first mounting beam 811, a second mounting beam 812, a third mounting beam 813, and a fourth mounting beam 814 connected to four sides of the main body 80. ing. The first mounting beam 811 is disposed opposite to the short side lower beam 12B facing the outer peripheral side of the building, and the second mounting beam 812 is provided on the opposite side of the main body 80 with respect to the first mounting beam 811. The intermediate lower beam 12C is disposed opposite to the intermediate lower beam 12C.
The third mounting beam 813 and the fourth mounting beam 814 are arranged to face the long side lower beam 12A, respectively.
The upper surface of the waterproof pan 8 is set lower than the lower end positions of the sash windows 18A and 19A. In particular, the upper surfaces of the second mounting beam 812, the third mounting beam 813, and the fourth mounting beam 814 are the upper surfaces of the lower beams 12. It is set lower.

In FIG. 3, the main body 80 is integrally formed with a floor surface portion 800 inclined downward and a drain groove 801 provided in an inclined portion of the floor surface portion 800. The drainage groove 801 is provided in parallel with the short side lower beam 12B facing the outer peripheral side of the building.
The first mounting beam 811 and the short side lower beam 12B are both U-shaped in cross section, and their opening portions are arranged to face each other. The upper surface of the first mounting beam 811 and the upper surface of the short side lower beam 12B are located on substantially the same plane, and a handrail support column 9 is erected on these upper surfaces.

The handrail support column 9 includes a base end portion 90 that is fixed across the first mounting beam 811 and the short side lower beam 12B, which are the front end portions of the waterproof pan 8, and a handrail main body 91 provided on the base end portion 90. And a handrail wall portion 92 disposed on the outer peripheral side of the handrail main body 91 and a headboard 93 covering the handrail main body 91 and the top portion of the handrail wall portion 92.
The base end portion 90 includes a base material 90A disposed across the upper web surface between the first mounting beam 811 and the short side lower beam 12B, and the upper web between the first mounting beam 811 and the short side lower beam 12B. The anchor member 90B disposed across the lower surface of the arm member 90, the nut member 901 embedded in the anchor member 90B, the base material 90A, the first mounting beam 811, and the web above the short side lower beam 12B. A bolt 902 that is screwed into the nut member 901 and a cover portion 903 that covers the base material 90A are provided. The base material 90A, the anchor member 90B, the nut member 901, and the bolt 902 are provided on the first mounting beam 811 and the short side lower beam 12B, respectively.

The cover portion 903 covers the upper part of the first attachment beam 811 and the short side lower beam 12B, and a seal member 94 is provided between the end portion and the short side lower beam 12B. A siding material 95 that continuously covers the side surfaces of the short side lower beam 12B and the short side upper beam 11B of the lower floor building unit 3 is provided below the seal material 94.
The lower end portion of the handrail main body 91 is fixed to the base material 90A.

In FIG. 4, a bracket 82 is attached to one long side upper beam 11 </ b> A of the lower floor building unit 3 arranged below the balcony unit 50. The bracket 82 is provided with a mounting plate portion 82A extending horizontally above the bracket 82, and a third mounting beam 813 of the waterproof pan 8 is supported on the mounting plate portion 82A. The third mounting beam 813 and the mounting plate portion 82A are connected and fixed to each other by a bolt 83 and a nut 84.
The fourth mounting beam 814 has the same structure as the third mounting beam 813 and is connected to the other long side upper beam 11A of the lower floor building unit 3.

Next, the construction method of the unit type building of this embodiment is demonstrated.
First, in the factory, the balcony unit main body 500 including the rectangular parallelepiped frame 13 formed from the upper beam 11, the lower beam 12, and the column 10, the column 9 for the handrail, and the waterproof pan 8 are manufactured. Furthermore, the lower floor building unit 3 and the upper floor building unit 5 are manufactured. These units are transported to the construction site by truck.
At the construction site, first, a plurality of lower floor building units 3 are installed on the foundation 2 to construct the lower floor portion 4, and then a plurality of upper floor building units 5 and 1 are placed on the lower floor portion 4. The individual floor unit 50 is arranged and the upper floor portion 6 is constructed, and the roof portion 7 is disposed above the upper floor portion 6 to construct the unit type building.

Here, a method of installing the balcony unit 50 on the lower floor building unit 3 will be described with reference to FIGS.
First, as shown in FIG. 6, the waterproof pan 8 is installed on the lower floor building unit 3 at the construction site. The waterproof pan 8 is preliminarily waterproofed on the main body 80 and the first to fourth mounting beams 811 to 814. The first mounting beam 811 is previously provided with a base material 90A, an anchor member 90B, and a nut member. 901 and a bolt 902 are attached.
As shown in FIG. 7, the waterproof pan 8 has a ceiling portion of the lower floor building unit 3 such that the first mounting beam 811 is close to the short side upper beam 11 </ b> B on the outer peripheral side of the lower floor building unit 3. Install in. 6 to 8, the symbol P indicates the inclination direction of the waterproof pan 8.

Further, as shown in FIG. 8, the balcony unit main body 500 is installed on the lower floor building unit 3. Then, the waterproof pan 8 is installed so that the first mounting beam 811 is opposed to the short side lower beam 12B of the balcony unit main body 500, and the third mounting beam 813 is opposed to the lower floor building unit 3. The fourth mounting beam 814 is supported on the bracket 82 provided on the other long side upper beam 11A and supported by the bracket 82 provided on one long side upper beam 11A, and these are coupled by the bolt 83 and the nut 84. . By installing the balcony unit main body 500 in the lower floor building unit 3, the waterproof layer is completed.
Then, the handrail support column 9 is installed so that the base end portion 90 straddles the first attachment beam 811 and the short side lower beam 12B which are the distal end portion of the waterproof pan 8.

Therefore, in the present embodiment, the following operational effects can be achieved.
(1) A rectangular parallelepiped frame 13 formed from the upper beam 11, the lower beam 12, and the column 10, a handrail support column 9 which is erected on the lower beam 12 and whose lower end side is the base end 90, and The balcony unit 50 is configured by including a waterproof pan 8 at least partially located in a space surrounded by the beam 12 and having a balcony space BS formed thereon, and a first mounting beam which is a tip portion of the waterproof pan 8 Since the base end portion 90 of the handrail support column 9 is supported and fixed by the lower beam 12 and the lower beam 12, there is no need to increase the lower end position of the sash window 18A that is an opening for going to and from the balcony space BS. Therefore, it becomes easy to go to the balcony space BS, and the first mounting beam 811 and the lower beam 12 of the waterproof pan 8 are fixed at the base end portion 90 of the handrail support column 9 at the same time. Can be easily constructed.

(2) Since the base end portion 90 of the handrail support column 9 is installed across the first mounting beam 811 of the waterproof pan 8 and the short side lower beam 12B, the first mounting beam 811 of the waterproof pan 8 and the short side Since the lower beam 12B can be simultaneously fixed by the base end portion 90 of the handrail support column 9, the fixing strength can be increased.

(3) The waterproof pan 8 includes a main body 80 and a first mounting beam 811 provided around the main body 80, and the first mounting beam 811 is disposed to face the short side lower beam 12B. The area of the upper surface can be increased, and as a result, the handrail support 9 can be reliably supported.

(4) The lower beam 12 includes a long side lower beam 12A arranged opposite to each other and a short side lower beam 12B arranged orthogonally to the long side lower beam 12A. A handrail support column 9 is attached to one, and an intermediate lower beam 12C is disposed between the opposed short side lower beams 12B, and the lower side beam 12B on which the intermediate lower beam 12C and the handrail support column 9 are provided. Since a sash window 18A for entering and exiting the balcony space BS is formed above the intermediate lower beam 12C, an inner balcony with a balcony and a living room rationally arranged in one unit. Can be provided.

(5) A unit-type building is configured by including the balcony unit 50 and the lower-floor building unit 3 installed below the balcony unit 50, and the waterproof pan 8 is attached to the ceiling portion of the lower-floor building unit 3. Since the installation of the waterproof pan 8 can be reduced, the unit building can be easily provided between the balcony space BS and the living room space LS.

(6) After manufacturing the balcony unit main body 500, the handrail support column 9, the waterproof pan 8, and the lower floor building unit 3 at the factory, and installing the lower floor building unit 3 at the construction site The waterproof pan 8 is installed on the ceiling, the balcony unit body 500 is installed on the lower floor building unit 3 on which the waterproof pan 8 is installed, and the first mounting beam 811 of the waterproof pan 8 is used for the balcony. Since it is fixed in proximity to the short side lower beam 12B of the unit main body 500, the waterproof treatment of the balcony can be surely performed at the site as compared with the conventional case where the waterproof treatment is separately performed at the factory and the construction site.

(7) Brackets 82 are respectively attached to the long-side upper beams 11A arranged opposite to each other in the building unit 3 for the lower floor, and one of these brackets 82 supports the third mounting beam 813 of the waterproof pan 8 and the other is the first Since the four mounting beams 814 are supported and the third mounting beam 813, the fourth mounting beam 814, and the bracket 82 are connected and fixed, the connection points between the waterproof pan 8 and the lower beam 12 are increased and fixed securely. be able to.

The present invention is not limited to the above-described embodiments, and modifications, improvements, and the like within the scope that can achieve the object of the present invention are included in the present invention.
For example, in the above embodiment, the balcony unit 50 is arranged on the lower floor building unit 3 to configure the upper floor portion. However, in the present invention, the balcony unit 50 may be arranged on the foundation 2. Good. In this case, an appropriate support portion may be provided on the foundation 2 and the waterproof pan 8 may be supported on the support portion.

In this invention, it is good also as a structure which fixes the front- end | tip part of the waterproofing pan 8, and the short side lower beam 12B with the base end part 90 of the support | pillar 9 for handrail in the state which formed these long and piled up.
In the above embodiment, the living room LS and the balcony space BS are provided in one balcony unit 50. However, in the present invention, only the balcony space BS may be provided.
Furthermore, when constructing a unit type building, the waterproof pan 8 may be transported by a truck in a state where it is installed in the lower floor building unit 3.

  The present invention can be used for a building having a balcony.

DESCRIPTION OF SYMBOLS 1 ... Unit type building, 2 ... Foundation, 3 ... Lower floor building unit, 5 ... Upper floor building unit, 8 ... Waterproof pan, 9 ... Handrail support, 10 ... Pillar, 10A ... Intermediate pillar, 11 ... Upper Beam, 11A ... Long side upper beam, 11B ... Short side upper beam, 11C ... Intermediate lower beam, 12 ... Lower beam, 12A ... Long side lower beam (second lower beam), 12B ... Short side lower beam (first lower beam) Beam), 12C ... Intermediate lower beam, 18 ... Wall, 18A ... Sash window (opening), 50 ... Balcony unit, 80 ... Main body, 90 ... Base end , 91 ... Handrail main body, 500 ... Balcony unit main body, 811 ... First mounting beam (tip), 812 ... Second mounting beam, 813 ... Third mounting beam, 814 ... Fourth mounting beam, BS ... Balcony space, LS ... Living room

Claims (4)

At least in a space surrounded by the lower beam, a rectangular parallelepiped frame formed of an upper beam, a lower beam and a column, a pillar for handrail standing on the lower beam and having a lower end side as a base end portion A waterproof pan in which a part of the waterproof pan is formed and a balcony space is formed above, and a distal end portion of the waterproof pan and the lower beam are fixed at a base end portion of the handrail support column;
The base end of the handrail post is installed across the waterproof pan and the bottom beam ,
The waterproof pan includes a main body and a mounting beam provided around the main body, and the mounting beam is disposed to face the lower beam . The balcony unit according to claim 1 ,
The lower beam includes a first lower beam arranged opposite to each other, and a second lower beam arranged orthogonal to the first lower beam, and one of the first lower beams includes the handrail support column. The intermediate lower beam is installed between the second lower beam so as to be parallel to the first lower beam, and the intermediate lower beam and the first lower beam on which the handrail support column is provided A balcony unit, wherein a waterproof pan is provided, and an opening for entering and exiting the balcony space is formed above the intermediate lower beam. A balcony unit according to claim 1 or 2 , and a lower-floor building unit installed below the balcony unit and having a rectangular parallelepiped frame formed from an upper beam, a lower beam, and a column. The waterproof pan is installed on a ceiling portion composed of the upper beam of the lower floor building unit. A method for constructing a unit building according to claim 3 ,
In a factory, a balcony unit body having a rectangular parallelepiped skeleton formed from an upper beam, a lower beam, and a column, a handrail post, and a waterproof pan are manufactured, and the lower floor building unit is manufactured,
In a construction site, the lower floor building unit is installed, the waterproof pan is installed on the ceiling portion of the lower floor building unit, and the balcony unit is placed on the lower floor building unit on which the waterproof pan is installed. Install the main unit,
A unit characterized in that a distal end portion of the waterproof pan is brought close to a lower beam of the balcony unit main body, and a distal end portion of the waterproof pan and the lower beam are fixed at a base end portion of the handrail support column. Construction method of the type building.

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