JP3950027B2 - Balcony floor support structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a support structure for a balcony floor that supports a balcony floor projecting outward from a building.
[0002]
[Background technology]
In recent years, with regard to the construction of houses, the production of components has progressed to factory production. For example, components such as walls, floors, roofs, etc., are manufactured in advance as panels in the factory, and these panels are assembled on-site to build a house. The so-called panel method is used. By the way, when forming a balcony that extends from the outer wall using such a construction method, a method of extending the balcony floor composed of floor panels from the outer wall of the house to be cantilevered and fixing it to the housing is generally used. (For example, refer to Patent Document 1).
[Patent Document 1]
Japanese Patent Laid-Open No. 11-36723
[Problems to be solved by the invention]
By the way, in the building described in the publication, the load of the protruding balcony floor tends to concentrate on the floor panel and the wall panel located at the base end portion of the balcony floor. Therefore, if the protruding length of the balcony floor is lengthened, the allowable shear stress and the allowable bending moment may be exceeded in the components such as floor panels and wall panels located at the base end of the balcony floor. Simply supporting the floor in a cantilevered state limits the extension of the balcony floor overhang.
[0004]
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a balcony floor support structure that can support a balcony floor reliably and stably even when the overhanging length of the balcony floor is increased.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, for example, as shown in FIG. 1 and FIG. 2 , a balcony floor supporting structure for supporting a balcony floor 1 projecting outward from a building,
A lower house 30 extending from the outer wall 4 is fixed to the outer wall 4 of the building, and the balcony floor 1 is fixed to the lower house 30, and the balcony floor 1 is suspended from above by the lower house 30. It is supported by being held.
[0006]
According to the first aspect of the present invention, the balcony floor 1 is fixed to the lower house 30 fixed to the outer wall 4 so that the balcony floor 1 is supported from above by the lower house 30. Therefore, the balcony floor 1 can be supported reliably and stably even if the overhanging length of the balcony floor 1 is made longer than in the prior art.
[0007]
The invention according to claim 2 is the balcony floor support structure according to claim 1 ,
An opening 30 a penetrating from the upper surface to the lower surface of the lower house 30 is formed in a part of the lower house 30.
[0008]
According to invention of Claim 2 , since the opening part 30a is formed in the lower part 30, while being able to see the exterior from a balcony with this opening part 30a, the lighting property and ventilation property to a balcony are provided. It can be secured.
[0009]
The invention according to claim 3 is the supporting structure of the balcony floor according to claim 1 or 2 ,
A handrail wall 20 is fixed to the balcony floor 1, and the handrail wall 20 is fixed to the lower house 30.
[0010]
According to the invention described in claim 3 , since the handrail wall 20 fixed to the balcony floor 1 is fixed to the lower house 30, the balcony floor 1 is suspended from the lower house 30 via the handrail wall 20. Thus, the balcony floor 1 can be supported more stably.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
1 and 2 are diagrams showing a first embodiment. In these figures, reference numeral 1 denotes a balcony floor. The balcony floor 1 is configured by arranging a plurality of building floor panels 2 side by side and joining adjacent building floor panels 2 and 2 together. The building floor panel 2 is constructed by assembling the frame material 2a into a rectangular frame shape, assembling a reinforcing bar in the rectangular frame, and attaching a face material 2b made of plywood or the like on the upper surface of the rectangular frame.
[0012]
The base end portion of the building floor panel 2 constituting the balcony floor 1 is installed on the upper surface of a wall panel or a lintel in the building, which is not shown, and is fixed by screw nails or the like. An intermediate portion in the length direction of the floor panel 2 is installed on the outer wall 3 on the first floor of the building, and an outer wall 4 on the second floor is installed on the outer wall 3 with the floor panel 2 interposed therebetween. Each of the outer walls 3 and 4 is formed by juxtaposing a plurality of building outer wall panels 5 and joining adjacent building outer wall panels 5 and 5 together. The building outer wall panel 5 is constructed by assembling the eaves 5a into a rectangular frame shape, assembling reinforcing bars in the rectangular frame, and attaching a face member 5b made of plywood or the like on both sides of the rectangular frame.
And the intermediate part of the floor panel 2 is being fixed to the outer wall panels 5 and 5 with the connecting bolt 6 and the nut 7 in the state pinched | interposed into the upper and lower building outer wall panels 5 and 5 which comprise the outer walls 3 and 4, respectively. Yes.
[0013]
A handrail wall 20 is erected on the front edge and the side edge of the balcony floor 1, and the handrail wall 20 is firmly fixed to the balcony floor 1. The handrail wall 20 is configured by juxtaposing a plurality of building wall panels and joining adjacent building wall panels together.
In addition, the building wall panel is constructed by assembling the fence material into a rectangular shape, and attaching a face material made of plywood etc. on both sides of this rectangular frame. To fix such a building wall panel to the balcony floor, This is performed by adhering the lower surface of the building wall panel and the upper surface of the balcony floor 1 with an adhesive and driving a screw nail from the building wall panel into the balcony floor 1.
Moreover, the building wall panel fixed to the side edge part of the balcony floor 1 among the building wall panels which comprise the handrail wall 20 is being fixed to the outer wall 4 which comprises the frame of a building. This fixing is performed by adhering the side end surface of the building wall panel and the surface of the outer wall 4 with an adhesive, and driving a screw nail from the building wall panel to the outer wall 4.
[0014]
Fixed to the outer wall 4 is a lower house 30 extending obliquely downward from the outer wall 4. The lower house 30 is configured by arranging a plurality of building roof panels 31 and 32 side by side. The roof panel 31 for construction is obtained by assembling the eaves 31a into a rectangular frame shape, assembling a reinforcing bar in the rectangular frame, and attaching a face material 31b made of plywood or the like on the upper surface of the rectangular frame. Similarly, the building roof panel 32 is constructed by assembling a frame material in a rectangular frame shape, assembling a reinforcing bar material in the rectangular frame, and attaching a face material made of plywood or the like on the upper surface of the rectangular frame. The building roof panel 32 is shorter than the building roof panel 31.
And the lower roof 30 arrange | positions the roof panels 31 and 31 for buildings on both sides, arrange | positions the roof panels 32 and 32 for buildings between these, and match | combines the eaves of the roof panels 31 and 32 for buildings on a straight line, Furthermore, it is comprised by joining adjacent roof panels for construction. As a result, an opening 30 a penetrating from the upper surface to the lower surface of the lower house 30 is formed at a part of the lower house 30, that is, at the center in the width direction of the lower house 30 and on the base end side of the lower house 30. .
[0015]
Moreover, the roof panel 31 for construction which comprises the lower house 30 is being fixed to the outer wall 4 as follows. In other words, a connecting girder 33 having a substantially triangular cross section is fixed to the outer wall 4 by driving a screw nail 34 from the connecting girder 33 into the outer wall 4. The screw nails 34 are disposed at predetermined intervals in the length direction of the connecting beam 33 and are driven into the outer wall 4.
Further, a connecting purlin 35 having a substantially triangular cross section is fixed to the outer wall 4 by driving a screw nail 34 from the connecting purlin 35 into the outer wall 4. The joining purlin 35 extends in parallel with the joining beam 33 and is fixed to the outer wall 4 immediately above the joining beam 33. The screw nails 34 are disposed at predetermined intervals in the length direction of the connecting purlin 35 and are driven into the outer wall 4.
[0016]
The joint girder 33 is provided with the lower surface of the base end portion of the building roof panel 31, and the joint roof 35 is in contact with the base end surface of the building roof panel 31. The building roof panel 31 is fixed to the outer wall 4 via the coupling beam 33 by driving a screw nail 36 into the coupling beam 33 from the upper surface of the base end portion of the building roof panel 31.
[0017]
Further, a connecting girder 37 is fixed to the front edge of the balcony floor 1 by nailing or bonding, and the front end of the roof panel 31 for construction is supported and fixed to the connecting girder 37. . A hook metal piece 38 is driven from the top surface of the front end portion of the building roof panel 31, and the tip end portion of the hook metal piece 38 is fixed to the front end surface of the balcony floor 1 by a screw nail 39. The hook hardware 38 is substantially U-shaped, and is driven so as to straddle the roofing material and the reinforcing bar material of the roof panel 31 for construction, and the tip portion is fixed to the tip surface of the balcony floor 1 by the screw nails 39. Has been.
Of the building wall panels constituting the handrail wall 20, a connecting girder 41 is fixed to the upper end surface of the building wall panel 40 fixed to the front edge of the balcony floor 1. The middle part of the building roof panel 31 is fixed. Further, a hook metal piece 38 is driven from the upper surface of the middle part of the building roof panel 31 so as to straddle the roofing material and the reinforcing bar material of the building roof panel 31. The wall panel 40 is fixed.
In this way, the balcony floor 1 is supported by the lower house 30 so as to be suspended from above via the coupling beam 37, the coupling beam 41, the building wall panel 40, the hook metal 38, and the like.
[0018]
According to the present embodiment, the balcony floor 1 is fixed to the lower house 30 fixed to the outer wall 4, so that the balcony floor 1 is supported by the lower house 30 so as to be suspended from above. Therefore, even if the overhanging length of the balcony floor 1 is increased as compared with the conventional case, the balcony floor can be reliably and stably supported.
Moreover, since the opening part 30a is formed in the lower house 30, while being able to see the exterior from a balcony, the lighting property and ventilation property to a balcony are securable by this opening part 30a.
Furthermore, since the building wall panel 40 constituting the handrail wall 20 fixed to the balcony floor 1 is fixed to the lower house 30, the balcony floor 1 is also suspended from the lower house 30 via the handrail wall 20. Thus, the balcony floor 1 can be supported more stably.
[0019]
In the present embodiment, among the building wall panels constituting the handrail wall 20, the building wall panel fixed to the side edge of the balcony floor 1 is replaced by the side end face of the building wall panel and the outer wall 4. In addition to or in place of this, it is fixed to the outer wall 4 by driving a screw nail from the building wall panel to the outer wall 4. Alternatively, the connection bolt 12 and the nut 13 may be used for fastening. In this way, the balcony floor 1 can be supported so as to be suspended from above by the building wall panel fixed to the side edge of the balcony floor 1, so that it is supported more firmly and stably. it can.
[0020]
In the present embodiment, the building roof panel 31 is fixed to the outer wall 4 via the coupling girder 33 by driving a screw nail 36 into the coupling girder 33 from the upper surface of the base end portion of the building roof panel 31. In addition to or instead of this, the roof panel for construction may be fixed to the outer wall 4 by bolt fastening. In this case, a connecting bolt may be inserted into the base end portion of the building roof panel 31 and the building wall panel constituting the outer wall 4, and nuts may be screwed into both ends of the connecting bolt and tightened. In this way, the roof 30 can be firmly fixed to the outer wall 4.
[0021]
【The invention's effect】
As described above, according to the first aspect of the present invention, the balcony floor is supported so as to be suspended from above by the lower house fixed to the outer wall. Even if the overhang length is increased, the balcony floor can be supported reliably and stably.
[0022]
According to invention of Claim 2 , while being able to see the exterior from a balcony with the opening part formed in the lower house, the lighting property and ventilation property to a balcony are securable.
[0023]
According to the third aspect of the present invention, the balcony floor is supported so as to be suspended from the lower house even through the handrail wall, so that the balcony floor can be supported more stably.
[Brief description of the drawings]
FIG. 1 is a side sectional view showing an example of a balcony floor support structure according to the present invention.
FIG. 2 is a perspective view of the same.
[Explanation of symbols]
1 Balcony floor 4 Exterior wall (frame)
12 Connecting bolt 13 Nut 20 Handrail wall 30 Shack 30a Opening 31 and 32 Building roof panel 40 Building wall panel

Claims (3)

A balcony floor support structure for supporting a balcony floor projecting outward from a building,
The outer wall of the building is fixed with a lower house extending from the outer wall, and the balcony floor is fixed to the lower house, and the balcony floor is supported by the lower house so that the balcony floor is suspended from above. The support structure of the balcony floor characterized by being made. The support structure for a balcony floor according to claim 1 ,
The balcony floor support structure, wherein an opening penetrating from the upper surface to the lower surface of the lower house is formed in a part of the lower house. The support structure for a balcony floor according to claim 1 or 2 ,
A support structure for a balcony floor, wherein a handrail wall is fixed to the balcony floor, and the handrail wall is fixed to the lower house.

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