JP5940293B2 - Balconi floor structure - Google Patents

Description

  The present invention relates to a floor structure of a balconi that is applied to a balconi that is disposed on a lower floor side building unit and that is disposed adjacent to the upper floor side building unit.

  Patent Document 1 below discloses an example of a balconi floor structure. Briefly, in the prior art disclosed in this document, by arranging a pair of Balconi floor beams constituting the Balconi floor frame so as to be embedded inside a pair of ceiling beams of the lower floor side building unit, The height of the balconi floor is made to substantially coincide with the height of the floor of the upper building unit.

JP 2009-127194 A

  However, the structure disclosed in Patent Document 1 cannot be applied when the upper floor side building unit and the lower floor side building unit have different sizes in the short side direction.

  In consideration of the above facts, the present invention considers the height of the floor surface of the living room and the floor surface of the Balconi floor even when the size of the upper floor side building unit and the lower floor side building unit are different in the short side direction. The object is to obtain a balconi floor structure that can be matched in height.

  The balconi floor structure according to claim 1 comprises a lower-floor ceiling beam that forms part of the ceiling of the lower-floor building unit, and a part of the floor of the upper-floor building unit, and the lower-floor building Adjacent to the upper-floor building unit, an upper-floor large beam set to have a floor area smaller than the ceiling area of the unit, a balconi floor frame connected to the upper-floor large beam and the lower-floor ceiling beam. And a balcony floor that is supported by the balcony floor frame and has a floor surface height set to coincide with the height of the floor surface of the living room of the upper floor side building unit.

  In the balcony floor structure according to claim 1, a part of the ceiling part of the lower floor side building unit is constituted by a lower floor ceiling beam, and a part of the floor part of the upper floor side building unit is constituted by an upper floor beam. Yes. The floor area of the upper floor side building unit is set to be smaller than the ceiling area of the lower floor side building unit, and a balconi is provided adjacent to the upper floor side building unit.

  Here, in the present invention, the balconi floor frame is connected to the upper floor girder and the lower ceiling girder, and the height of the floor surface of the balconi floor supported by the balconi floor frame is the upper floor side building unit. It is set to match the height of the floor of the room.

  For example, in the case of a unit building in which the ceiling area of the lower floor side building unit and the floor area of the upper floor side building unit are the same, the balconi or the upper floor side building unit is arranged above the lower floor side building unit. For this reason, on the balcony side, the balcony floor frame can be connected only to the lower ceiling girder.

  However, when the floor area of the upper floor side building unit is smaller than the ceiling area of the lower floor side building unit, the balconi and the upper floor side building unit are arranged above the lower floor side building unit. In other words, a balconi floor frame is disposed on one side of the lower-floor ceiling beams arranged opposite to each other, and a floor frame for the upper-floor building unit is disposed on the other side of the lower-floor ceiling beams. In other words, the balcony floor frame cannot be connected only to the lower floor ceiling beam.

  For this reason, in the present invention, the balconi floor frame is connected to the upper floor beam and the lower ceiling beam. Since there is a difference in height between the upper floor girder and the lower ceiling girder, connecting the balconi floor frame to the upper floor girder and the lower ceiling girder allows water on the balcony floor to follow the balconi floor frame. Can be drained outside the unit building. Therefore, it is not necessary to design the floor of the living room to be higher than the floor of the balconi floor in consideration of rain, etc., and the height of the floor of the balcony floor and the floor of the living room are approximately the same. Can be set as follows.

  The balconi floor structure according to claim 2 is the balconi floor structure according to claim 1, wherein the balconi floor frame is inclined with respect to a horizontal plane between the upper floor large beam and the lower floor large beam. It is configured to include a spanned balcony beam and a bundle member fixed to the balcony beam and supporting the balcony floor.

  In the balconi floor structure according to claim 2, the balconi floor frame is configured to include the balconi beam and the bundle. The balcony beam is bridged between the upper floor beam and the lower ceiling beam in a state inclined with respect to the horizontal plane, and a bundle is fixed to the balcony beam. The balconi floor is supported by this bundle.

  In this way, since the balconi beam is suspended over the horizontal plane, the water on the floor surface of the balcony floor can be drained to the outside of the unit building along the upper surface of the balcony beam. it can.

  The balconi floor structure according to claim 3 is the balconi floor structure according to claim 1, wherein the balconi floor frame is horizontally laid between the upper floor large beam and the lower floor ceiling large beam. A beam, a gradient heat insulating material disposed on the balcony beam, and having an upper surface inclined with respect to a horizontal plane, and is fixed to the balcony beam through the gradient heat insulating material, And a bundle that supports the balconi floor.

  In the balconi floor structure according to the third aspect, the balconi floor portion includes the balconi beam, the gradient heat insulating material, and the bundle material. The balcony beam is bridged horizontally between the upper floor beam and the lower ceiling beam, and a gradient heat insulating material is disposed on the balcony beam. An inclined surface inclined with respect to a horizontal plane is formed on the upper surface of the gradient heat insulating material. And the balcony floor is supported by the bundle material which penetrated the gradient heat insulating material and was fixed to the said balcony beam.

  Thus, since the gradient heat insulating material arranged on the balcony beam has an inclined surface inclined with respect to the horizontal plane, water on the floor surface of the balcony floor is allowed to flow along the inclined surface of the gradient heat insulating material. It can be drained outside the unit building.

  The balconi floor structure according to claim 4 is the balconi floor structure according to claim 2 or 3, wherein the balconi floor structure is connected to the upper floor beam, and is connected to the lower ceiling beam. And a second support means for supporting the end of the Balconi beam together with the support means.

  In the balconi floor structure according to the fourth aspect, the first support means is connected to the upper floor beam and the second support means is connected to the lower ceiling beam. And the edge part of a Balcony beam is supported by the 1st support means and the 2nd support means. In other words, the balcony beam is connected to the upper floor beam and the lower floor beam via the first support device and the second support device. Therefore, the first support means and the second support means are provided separately from the upper floor girder and the lower floor girder. For this reason, in a 1st support means and a 2nd support means, a shape and thickness can be changed according to required intensity | strength.

The balconi floor structure according to claim 5 is the balconi floor structure according to claim 4 , wherein the first support means is provided with an angle adjusting means for adjusting an inclination angle of the balconi beam.

In the balconi floor structure according to claim 5 , the first support means is provided with angle adjusting means for adjusting the inclination angle of the balconi beam so that the first support means can be used to adjust the inclination angle of the balconi beam. Can be adjusted. For this reason, a balcony beam having the same length can be used regardless of the depth of the balcony.

The balconi floor structure according to claim 6 is the balconi floor structure according to claim 5 , wherein the first support means is a balconi floor beam extending along an extending direction of the upper floor large beam, The angle adjusting means includes a pair of ribs provided in a direction orthogonal to the extending direction of the Balconi floor beam and defining the inside of the Balconi floor beam, and the Balconi beam arranged inside the pair of ribs. A first fastening hole formed in one end and a fastening member inserted and fastened through a second fastening hole formed in the rib are configured.

7. The balconi floor structure according to claim 6 , wherein the angle adjusting means includes a pair of ribs provided on the balconi floor beam extending along the extending direction of the upper floor large beam, and a fastening member fastened to the rib. And. The rib is provided in a direction orthogonal to the extending direction of the balconi floor beam, and divides the balconi floor beam. One end of the balconi beam is arranged inside these ribs.

  And the 1st fastening hole is formed in the one end part of a Balconi beam, and the 2nd fastening hole is formed in the rib. The fastening member is inserted into the first fastening hole and the second fastening hole and fastened, and the balcony beam is fixed to the balcony floor beam. Thus, by using the fastening member, one end of the balcony beam can be fixed to the balcony floor beam in accordance with the inclination angle of the balcony beam.

  As described above, the floor structure of the balcony according to the present invention described in claim 1 is the floor of the living room even when the upper floor side building unit and the lower floor side building unit have different sizes in the short side direction. It has an excellent effect that the height of the surface can be made substantially the same as the height of the floor surface of the balcony floor.

  The floor structure of the balcony according to the present invention described in claim 2 has an excellent effect that water on the floor surface of the balconi floor can be drained to the outside of the unit building along the upper surface of the balconi beam.

  The floor structure of the balconi according to the present invention described in claim 3 has an excellent effect that the inclination angle can be easily set because the water gradient is formed by the gradient heat insulating material.

  The floor structure of the balconi according to the present invention described in claim 4 is excellent in that the shape of the first support means and the second support means can be changed in accordance with the depth of the balconies, and the design freedom of the balconies is improved. Has an effect.

Since the floor structure of the balconi according to the present invention described in claim 5 merely changes the inclination angle of the balcony beam according to the depth of the balcony, the same length of the balconi beam can be used regardless of the depth of the balconi. It has an excellent effect that the versatility of the Balconi beam is increased.

The floor structure of the balconi according to the present invention described in claim 6 is provided with ribs that define the inside of the balconi floor beam, thereby preventing the deformation of the balconi floor beam and improving the cross-sectional performance of the balconi floor beam. It has an excellent effect of being able to.

It is sectional drawing which shows the principal part of the floor structure of the balcony which concerns on 1st Embodiment. FIG. 2A is a perspective view showing a unit building to which a balconi floor structure according to the present embodiment is applied, and FIG. 2B is a plan view of FIG. It is an expanded sectional view showing other embodiments (1) of the floor structure of a balcony concerning a 1st embodiment. It is an expanded sectional view showing other embodiments (2) of the floor structure of a balcony concerning a 1st embodiment. It is a disassembled perspective view which shows the structure of FIG. It is an expanded sectional view showing other embodiments (3) of the floor structure of a balcony concerning a 1st embodiment. It is an expanded sectional view showing other embodiments (4) of the floor structure of a balcony concerning a 1st embodiment. It is an expanded sectional view showing other embodiments (5) of the floor structure of a balcony concerning a 1st embodiment. It is an expanded sectional view showing the floor structure of Balconi concerning a 2nd embodiment. (A), (B) is a figure respectively corresponding to FIG. 2 which shows the other example of the unit building to which the floor structure of the balcony concerning this embodiment was applied.

<First Embodiment>
(Balcony floor structure)

  2A shows a perspective view of unit building 10 to which the balconi floor structure according to the present embodiment is applied. FIG. 2B is a plan view of FIG. It is shown. The hatched portion shown in FIG. As shown in this figure, in this embodiment, the balconi 12 and the upper floor side building unit 16 are provided on the lower floor side building unit 14. That is, the unit building 10 is designed such that the floor area of the upper floor side building unit 16 is smaller than the ceiling area of the lower floor side building unit 14.

  On the other hand, FIG. 1 is a cross-sectional view taken along line 1-1 in the plan view shown in FIG. 2 (B), showing the main part of the balconi floor structure according to the first embodiment. ing. As shown in FIG. 1, the lower floor side building unit 14 connects a pillar (not shown) standing at four corners, a lower floor ceiling frame 18 that connects upper ends of the pillars, and lower ends of the pillars. A unit housing is constituted by a floor frame (not shown).

  The lower-floor ceiling frame 18 has two types of long and short lower-floor ceiling beams 20 and 21 (not shown), which are each made of channel steel, and are arranged in a rectangular frame shape. A plurality of lower-floor ceiling beams 22 are bridged between the longer lower-floor ceiling beams 20 and 21 at a predetermined interval. A lower-floor ceiling material 23 is attached to the lower surface side of the lower-floor ceiling frame 18, thereby forming a lower-floor ceiling panel 24. A lower floor frame and a lower floor panel (not shown) are similarly configured.

  An outer wall panel 26 is provided on the outdoor side of the lower floor side building unit 14. The outer wall panel 26 includes an outer wall member 28 and an outer wall frame 30 disposed on the back side thereof. The outer wall member 28 is fixed to the outer wall frame 30 by screws (not shown). The outer wall panel 26 is attached to the side surface on the outdoor side of the lower floor building unit 14 by fixing the outer wall frame 30 to the web 20A of the lower floor ceiling girder 20 and the lower floor girder (not shown). Yes.

  On the other hand, a sash 32 is fitted on the outer wall of the upper floor side building unit 16 on the side of the balcony 12. The upper floor panel 34 of the upper floor side building unit 16 is composed of channel steel and is disposed in a rectangular frame shape. The upper floor beams 36 and 37 (the shorter upper floor beams are not shown). ), And a plurality of upper floor beams (beams) 38 spanned at a predetermined interval between the upper floor beams 36 and the upper floor beams 37, And an upper floor material 42 fixed to the upper surface side.

  In addition, the balconi 12 was bridged between the balconi floor beams 44 arranged in a rectangular frame shape (the shorter balconi floor beams are not shown) and the balconi floor beams 44 at a predetermined interval. And a plurality of balcony beams 46, and a balconi floor frame 48 configured in a ladder shape in plan view.

  Here, as described above, in the present embodiment, the floor area of the upper floor side building unit 16 is designed to be smaller than the ceiling area of the lower floor side building unit 14. Is provided with a balconi 12 adjacent thereto.

  In this embodiment, for example, the balconi floor beam 44 is used as the second support means connected to the balcony eaves main beam 52 as the first support means connected to the upper floor large beam 36 and to the lower floor ceiling large beam 20. The balconi eaves beam 58 is supported. The balconi eaves beam 52 has a substantially U-shaped cross section, and the outer surface of the web portion 52A of the balconi eaves beam 52 is the web portion 36A of the upper floor girder 36 for the upper building unit 16. It is arranged in a state where it overlaps with the outer surface. The web portion 52A and the web portion 36A are fastened via bolts 54 and nuts 56, and the balcony eaves beam 52 is connected to the upper floor large beam 36.

  On the other hand, the balconi eaves beam 58 has a substantially inverted L-shaped cross-section, and one flange 58A of the balconi eaves beam 58 is the upper flange 20B of the lower-floor ceiling beam 20 of the lower floor side building unit 14. It is arranged in a state of overlapping the upper surface. The flange 58A and the upper flange 20B are fastened via bolts 60 and nuts 62, and the balcony eaves beam 58 is connected to the lower-floor ceiling girder 20. In addition, the other flange 58B of the balcony eaves front beam 58 is disposed between the pair of lower ceiling ceiling beams 20 and 21 in a state of hanging downward.

  As described above, the balconi eaves beam 52 is connected to the upper floor girder 36, and the balconi eaves beam 58 is connected to the lower ceiling girder 20. There is a difference in elevation. That is, the balcony eaves beam 52 is arranged at a higher position in the height direction of the unit building 10 than the balconi eaves beam 58.

  Here, one end of the balcony beam 46 is welded (fixed) to the lower surface of the lower flange 52B of the balcony eaves beam 52, and the other end of the balconi beam 46 is bonded to the outer surface of the flange 58B of the balconi eaves beam 58. It is welded (fixed). Thereby, the said balcony beam 46 can be arrange | positioned in the state inclined with respect to the horizontal surface.

  A base plate 63 is disposed on the top surface of the balcony beam 46, and a waterproof base material 64 is disposed on the top surface of the field plate 63. On the other hand, a corner accessory 65 having a substantially L-shaped cross-section is fixed to the lower wall 74 of the balcony 12 with a screw (not shown). A gap is provided between the corner accessory 65 and the flange 58A of the balconi eaves beam 58, and one end portion of the waterproof base material 64 is disposed in the gap. As with the one end portion, the other end side of the waterproof base material 64 is fixed to a mounting wall 86 welded to the balcony eaves beam 52. The other end of the waterproof base material 64 is disposed in a gap provided between the flange of the beam 52.

  The upper surface of the waterproof base material 64 is covered with a waterproof sheet 66 by field construction in a building site, and the end of the waterproof sheet 66 is attached to a corner accessory 65. . Thereby, waterproof construction is performed. In this case, the waterproof base material 64 and the waterproof sheet 66 are disposed in an inclined state together with the balcony beam 46, and have a water gradient that is a downward gradient from the balcony eaves beam 52 side to the balconi eaves beam 58 side. doing.

  In addition, a plurality of bundles 68 are arranged on the upper surface of the waterproof base surface member 64 at a predetermined interval. The bundles 68 are arranged from the side of the balcony eaves main beam 52 in accordance with the inclination of the balconi beam 46. The length of the bundle 68 is gradually increased toward the eaves beam 58 side. The positions of the front end surfaces of the bundle material 68 are flush with each other and are arranged along a horizontal plane. For this reason, the balconi joists 70 are arranged along the horizontal plane in a state where the balconi joists 70 are bridged on the bundles 68. The floor of the balconi 12 is configured by placing a balconi floor finish 72 as a balconi floor on the balconi joists 70.

  In the present embodiment, the height of the floor surface 72A of the balcony 12 and the height of the floor surface 42A of the living room 50 of the upper floor side building unit 16 are set to substantially coincide. Further, a slit (not shown) is formed in the balconi floor finish 72, and water on the balconi floor finish 72 falls onto the waterproof sheet 66 through the slit.

  Further, a drainage groove 76 is formed along the waist wall 74 on the side of the waist wall 74 of the balcony 12, and water on the floor surface 72 </ b> A of the balcony 12 falls through the drainage groove 76. . A draining portion 80 fixed to the waist wall 74 by a screw 78 is provided below the drainage groove 76, and water dropped further downward by the draining portion 80 is discharged to the outside of the unit building 10.

  Further, a grating 82 is provided along the sash 32 on the upper-floor building unit 16 side in the balcony 12, and water on the balconi floor finish 72 falls through the grating 82. A guide plate 83 and a draining portion 84 are disposed below the grating 82, and water that has dropped through the grating 82 is guided to the draining portion 84 by the guide plate 83.

  The draining portion 84 is fixed to a mounting wall 86 welded to, for example, the Balconi eaves beam 52 by a screw 78. The water guided to the draining portion 84 by the guide plate 83 falls further downward by the draining portion 84 and travels along the waterproof sheet 66 from the room 50 side of the upper floor side building unit 16 in the balcony 12 to the waist wall 74 side. Guided toward the outside and discharged to the outside of the unit building 10.

(Operation and effect of balconi floor structure)
Next, the operation and effect of the present embodiment will be described.

  In the present embodiment, as shown in FIG. 1, the floor area of the upper floor side building unit 16 is set to be smaller than the ceiling area of the lower floor side building unit 14. Is provided with a balconi 12 adjacent thereto.

  Although not shown, for example, in the case of a unit building in which the ceiling area of the lower floor side building unit and the floor area of the upper floor side building unit are the same, the balconi 12 or the upper floor side building unit 16 is located above the lower floor side building unit 14. Are arranged respectively. For this reason, on the balcony 12 side, the balcony floor frame 48 can be connected only to the lower-floor ceiling beams 20 and 21.

  However, as shown in FIG. 1, when the floor area of the upper floor side building unit 16 is smaller than the ceiling area of the lower floor side building unit 14, the balcony 12 and the upper floor are located above the lower floor side building unit 14. The side building unit 16 will be arranged. In other words, the balconi floor frame 48 is disposed on the side of the lower-floor ceiling girder 20 arranged opposite to each other, and the upper floor frame 40 of the upper-floor building unit 16 is disposed on the lower-floor ceiling girder 21 side. That is, the balcony floor frame 48 cannot be connected only to the lower-floor ceiling beams 20 and 21.

  For this reason, in the present embodiment, for example, the Balconi eaves beam 52 is connected to the upper floor girder 36, the Balconi eaves beam 58 is connected to the lower ceiling girder 20, and the Balconi eaves beam 52 and the Balconi eaves beam are connected. Via 58, a balcony beam 46 is bridged between the lower ceiling beam 20 and the upper floor beam 36.

  Since there is a difference in height between the lower-floor ceiling beam 20 and the upper-floor beam 36, the Balconi beam 46 is bridged between the lower-floor ceiling beam 20 and the upper-floor beam 36, so that the The small beam 46 can be arranged in an inclined state with respect to the horizontal plane.

  Thereby, it becomes possible to drain the water on the floor surface 72A of the balcony 12 to the outside of the unit building 10 along the balcony beam 46, and it becomes unnecessary to raise the installation part 33 of the sash 32. For this reason, it can be designed so that the height of the floor surface 72A of the living room 50 and the height of the floor surface 72A of the balcony 12 substantially coincide.

  Specifically, a bundle member 68 is fixed to the balconi beam 46, and the bundle member 68 supports a balconi floor finish 72 that constitutes the floor surface 72A of the balconi 12 via the balconi joists 70. Yes. A slit (not shown) is formed in the balcony floor finish 72, and water on the balconi floor finish 72 falls onto the waterproof sheet 66 through the slit. Since the balcony beam 46 is bridged in an inclined state with respect to the horizontal plane, the water on the floor surface 72A of the balcony 12 is allowed to flow along the upper surface of the balcony beam 46 (on the waterproof sheet 66) of the unit building 10. It can be drained to the outside.

  Therefore, in the present embodiment, as shown in FIGS. 2 (A) and 2 (B), the upper floor building unit 16 and the lower floor building unit 14 have the same size in the long side direction. Even if the sizes in the short side direction are different, as shown in Fig. 1, the height of the floor surface 72A of the living room 50 and the height of the floor surface 72A of the balconi 12 can be substantially matched. Application as a barrier-free house is also possible.

  By the way, in this embodiment, the Balconi eaves beam 52 to which one end of the Balconi beam 46 is fixed is connected to the upper floor large beam 36, and the Balconi eaves beam 58 to which the other end of the Balconi beam 46 is fixed is It is connected to the lower floor ceiling girder 20. In other words, the upper-floor large beam 36 and the lower-floor ceiling large beam 20 are provided separately with the balconi eaves beam 52 and the balconi eaves beam 58 as separate members.

  For this reason, in the Balconi eaves front beam 52 and the Balconi eaves front beam 58, a shape and thickness can be changed according to required strength. Further, the shape of the balcony eaves beam 52 and the balconi eaves beam 58 can be changed in accordance with the depth of the balconi 12, and the design freedom of the balconi 12 is improved.

  Further, one end of the balcony beam 46 is fixed to the upper floor large beam 36 via the balcony eaves beam 52, and the other end of the balcony beam 46 is fixed to the lower ceiling beam 20 via the balcony eaves beam 58. Therefore, the floor vibration on the balcony 12 side is not directly transmitted to the upper floor large beam 36 and the lower floor large beam 20. For this reason, the quietness of the upper floor side building unit 16 and the lower floor side building unit 14 can be maintained satisfactorily.

  Here, the balconi eaves beam 52 and the balconi eaves beam 58 may be previously attached to the balconi beam 46 in the factory, and the balconi eaves beam 52, the balconi eaves beam 58, and the balconi eaves beam 46 may be assembled. This eliminates the need to weld the balcony beam 46 to the balconi eaves beam 52 and the balconi eaves beam 58 at the construction site. For this reason, work time is shortened and the construction work in a construction site can be reduced significantly.

(Other embodiments)
In the above embodiment, as shown in FIG. 1, the cross-sectional shape of the balcony eaves beam 52 as the first support means has a substantially inverted U-shape, and the cross-section of the balconi eaves beam 58 as the second support means. The shape is substantially inverted L-shaped. Then, one end of the balcony beam 46 is welded to the lower surface of the lower flange 52B of the balcony eaves beam 52, and the other end of the balconi beam 46 is welded to the outer surface of the flange 58B of the balconi eaves beam 58. .

  However, here, the shape of the first support means and the second support means is not limited to this as long as the Balconi beam 46 can be disposed in an inclined state with respect to the horizontal plane.

(1) For example, as shown in FIG. 3, in the Balconi eaves beam 90 here as the first support means, the cross-sectional shape has a substantially inverted L shape. One flange 90A of the balcony eaves main beam 90 is fixed to the web portion 36A of the upper floor large beam 36 in an upright state, and the other flange 90B of the balconi eaves main beam 90 is arranged substantially horizontally.

  The square pipe 92 is fixed to the flange 90 </ b> B, and the balcony beam 46 is attached to the square pipe 92. In other words, the balcony beam 46 may be indirectly attached to the balcony eaves beam 90. The inclination angle of the balcony beam 46 can be adjusted according to the depth of the balcony 12 depending on the presence or absence of the square pipe 92.

(2) Besides this, an angle adjusting means for adjusting the inclination angle of the Balconi beam 46 may be provided. For example, as shown in FIG. 4 and FIG. 5, the Balconi eaves beam 94 here as the first support means is substantially U-shaped, and the extending direction of the Balconi eaves beam 94 is the same as the first support means. A pair of ribs 96 are provided in the orthogonal direction. The pair of ribs 96 define the interior of the balcony eaves beam 94. A plurality of the ribs 96 are provided along the extending direction of the balcony eaves main beam 94 according to the number of the balconi small beams 98.

  Here, a rectangular balconi beam 98 is disposed between the pair of ribs 96. A through hole 100 as a first fastening hole is formed on the side surface of the balcony beam 98, and a bolt 104 as a fastening member is overlapped with the through hole 102 as a second fastening hole formed in the rib 96. And the nut 106 (here, a weld nut), the balcony beam 98 is fixed to the balcony eaves beam 94 through the rib 96.

  In this manner, the Balconi beam 98 is fastened to the Balconi eaves beam 94 by the bolt 104 and the nut 106, so that the Balconi eaves 98 is set at a desired angle with respect to the horizontal plane with respect to the Balconi eaves beam 94. It can be fixed with. Note that the gap H (see FIG. 4) generated between the balcony beam 98 and the flange 94A of the balcony eaves beam 94 is filled by welding or the like.

  As described above, by allowing the bolt 104 and the nut 106 to adjust the inclination angle of the balcony beam 98, the balcony beam 98 having the same length can be used regardless of the depth of the balcony 12. In this embodiment, since the inclination angle of the balcony beam 98 is only changed in accordance with the depth of the balcony 12, the balcony beam 98 having the same length can be used regardless of the depth of the balcony 12, and the balconi beam can be used. The versatility of 98 becomes high.

  In addition, by providing ribs 96 that define the inside of the balcony eaves beam 94 in the balconi eaves beam 94, the opening deformation of the balconi eaves beam 94 is prevented and the cross-sectional performance of the balconi eaves beam 94 is improved. be able to.

(3) On the other hand, in the said embodiment, as FIG. 1 shows, about the balconi eaves beam 58 as a 2nd support means, the cross-sectional shape has comprised the substantially reverse L shape. One flange 58A of the balconi eaves beam 58 overlaps with the upper flange 20B of the lower-floor ceiling girder 20, and the other flange 58B of the balconi eaves beam 58 is disposed inside the lower-floor ceiling girder 20 and is suspended downward. In this state, it is connected to the lower floor ceiling beam 20.

  However, the connection method to the lower-floor ceiling beam 20 of the balcony eaves beam 58 is not limited to this. For example, as shown in FIG. 6, the flange 58 </ b> A of the balcony eaves beam 58 overlaps the upper flange 20 </ b> B of the lower-floor ceiling beam 20, and the flange 58 </ b> B of the balconi eaves beam 58 is disposed inside the lower-floor ceiling beam 20. You may make it connect with the lower-floor ceiling girder 20 in the state which stood up. Thus, the inclination angle of the balcony beam 46 can be changed by changing the connection method of the balconi eaves beam 58 with respect to the lower ceiling large beam 20.

(4) In addition to this, as shown in FIG. 7, the bracket 108 having a rectangular shape as viewed in the direction along the extending direction of the balcony beam 46 is fixed in the lower ceiling ceiling beam 20. Then, the balcony beam 46 may be inserted into the bracket 108 and welded, and the balcony beam 46 may be fixed to the lower floor ceiling beam 20 via the bracket 108.

  Here, the bracket 108 is set to have a size capable of contacting the upper flange 20 </ b> B and the lower flange 20 </ b> C of the lower-floor ceiling girder 20, and the bracket 108 is fixed to the lower-floor ceiling girder 20 with bolts 104 and nuts 106. Of course, it may be fixed by welding. Thus, by providing the bracket 108 in the lower-floor ceiling girder 20, the opening deformation of the lower-floor ceiling girder 20 can be prevented, and the cross-sectional performance of the lower-floor ceiling girder 20 can be improved.

(5) Further, as shown in FIG. 8, a bracket 110 having a substantially U-shape in a cross-sectional view is welded into the lower-floor ceiling beam 20, and the closed cross-section is between the bracket 110 and the lower-floor ceiling beam 20. Is configured. Thereby, the cross-sectional performance of the lower-floor ceiling girder 20 can be improved. Then, a balconi eaves beam 112 having a substantially inverted L shape in a sectional view is fixed to the bracket 108, and the balconi beam 46 is welded and fixed to the balconi eaves beam 112.

  As described above, the method for attaching the balconi beam 46 has been described with respect to the first support means and the second support means as an example. However, any one of them may be implemented, or a plurality of the support means may be combined. You may carry out. Moreover, although the fixing method between members was demonstrated as welding or fastening, it does not specifically limit and either method may be used.

Second Embodiment
In the above embodiment, as shown in FIG. 1, the balconi beam 46 is arranged in an inclined state with respect to the horizontal plane, but the water on the floor surface 72 </ b> A of the balconi 12 is supplied to the outside of the unit building 10. However, it is not limited to this as long as it can be drained.

  For example, as shown in FIG. 9, the balcony beam 46 is supported horizontally by the balcony eaves beam 52 and the balconi eaves beam 58 (see FIG. 1). On the balcony beam 46, an inclined surface 114A inclined with respect to the horizontal plane is formed, and the gradient heat insulating material 114 having a triangular cross-sectional shape is opposed to the balcony floor finish 72 (see FIG. 1). To arrange.

  By using the inclined surface 114A of the gradient heat insulating material 114, the water on the floor surface 72A of the balcony 12 is drained to the outside of the unit building 10. For example, a foam material is used as the gradient heat insulating material 114. A plurality of through holes 114B are formed in the gradient heat insulating material 114, and the bundle material 68 can be inserted therethrough. And the balcony floor finish 72 which comprises the floor surface 72A of the balcony 12 is supported by the bundle 68 which penetrated the gradient heat insulating material 114 and was fixed to the said balcony beam 46.

  Thus, in this embodiment, since the water gradient is formed by the gradient heat insulating material 114, the setting of the tilt angle is easier than the setting of the tilt angle by the Balconi beam 46.

  And in this embodiment, as FIG. 2 (A) and (B) show, the magnitude | size of the long side direction of a unit is the same by the upper floor side building unit 16 and the lower floor side building unit 14. As shown in FIG. However, the unit building 10 having a pattern with different sizes in the short side direction has been described. However, in the present invention, since the floor area of the upper floor side building unit 16 only needs to be smaller than the ceiling area (floor area) of the lower floor side building unit 14, the arrangement of the upper floor side building unit 16 is lower floor side building unit. 14 may be any pattern.

  Therefore, for example, as shown in FIG. 10, the upper building unit 116 and the lower building unit 118 are unit buildings 120 having patterns with different sizes in the long side direction and the short side direction. May be. Here, the balconi 122 is designed to be smaller than the ceiling area of the lower building unit 118 in the long side direction and the short side direction.

[Supplementary explanation of the embodiment]
In the present invention, “coincidence” means that there is no intentional step between the floor surface of the balcony floor and the floor surface of the room of the upper floor side building unit. It goes without saying that the present invention includes the case where the height of the floor surface of the room of the upper floor side building unit is slightly shifted.

  In the present embodiment, the balconi eaves beam 52 connected to the upper floor girder 36 is used as the first support means, and the balconi eaves beam 58 connected to the lower ceiling girder 20 is used as the second support means. However, the balconi eaves beam 52 and the balconi eaves beam 58 are not necessarily required, and the balconi beam 46 may be directly fixed to the upper floor girder 36 and the lower ceiling girder 20.

  Although one embodiment of the present invention has been described above, the present invention is not limited to the above, and other various modifications can be made without departing from the spirit of the present invention. It is.

10 Unit Building 12 Balconi 14 Lower Floor Building Unit 16 Upper Floor Building Unit 20 Lower Floor Ceiling Beam 36 Upper Floor Floor Beam 42A Floor 44 Balconi Floor Beam (balcony floor frame)
46 Balcony beam (balcony floor frame)
48 Balconi floor frame 50 Living room 52 Balconi eaves beam (first support means)
58 Balconi eaves beam (second support)
68 Bundles (balcony floor frame)
72 Balcony floor finish (balcony floor)
72A Floor 90 Balconi eaves beam (first support means)
94 Balconi eaves beam (first support means)
96 rib (angle adjustment means)
98 Balconi beam 100 Through hole (first fastening hole)
102 Through hole (second fastening hole)
104 bolt (fastening member, angle adjustment means)
106 Nut (fastening member, angle adjusting means)
112 Balconi eaves beam (second support means)
114 Gradient insulation material 114A Inclined surface 116 Upper building unit 118 Lower building unit 120 Unit building 122 Balconi

Claims (6)

A lower-floor ceiling beam that forms part of the ceiling of the lower-floor building unit,
A part of the floor of the upper floor building unit, the upper floor beam set to have a floor area smaller than the ceiling area of the lower floor building unit;
A balcony floor frame connected to the upper floor girder and the lower floor girder;
A balcony floor provided adjacent to the upper floor side building unit, supported by the balcony floor frame, and having a floor surface height set to coincide with the height of the floor surface of the room of the upper floor side building unit. When,
Balcony floor structure with. The Balconi floor frame is
Balconi beam spanned in a state inclined with respect to a horizontal plane between the upper floor beam and the lower floor beam,
A bundle that is fixed to the balcony beam and supports the balconi floor;
The balconi floor structure according to claim 1, comprising: The Balconi floor frame is
Balconi beam spanned horizontally between the upper floor beam and the lower ceiling beam;
A gradient heat insulating material disposed on the balcony beam and having an inclined surface whose upper surface is inclined with respect to a horizontal plane;
A bundle that passes through the gradient insulation and is secured to the balcony beam and supports the balconi floor;
The balconi floor structure according to claim 1, comprising: First support means coupled to the upper floor girder;
Second support means coupled to the lower floor ceiling beam and supporting the end of the Balconi beam with the first support means;
The balconi floor structure according to claim 2 or 3, wherein: The balconi floor structure according to claim 4 , wherein an angle adjusting means for adjusting an inclination angle of the balconi beam is provided on the first support means . The first support means is a balconi floor beam extending along the extending direction of the upper floor girder,
The angle adjusting means is
A pair of ribs provided in a direction orthogonal to the extending direction of the Balconi floor beam and defining the Balconi floor beam;
A first fastening hole formed at one end of the Balconi beam arranged inside the pair of ribs, and a fastening member inserted and fastened through a second fastening hole formed in the rib;
The balconi floor structure according to claim 5 , comprising :

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