JPH09177169A - Structure for supporting attached construction - Google Patents

Abstract

PROBLEM TO BE SOLVED: To heighten support strength of an attached construction in simple constitution by supporting the attached construction such as a stairway attached to a building by a column unit closely arranging and fixing two column bodies of square steel pipes. SOLUTION: A projection part 5 is formed of a lower staircase part 21, a landing part 22 and an upper staircase part 23 ahead of the front wall face of a building body. In a column unit 2 two column bodies 3, 3 composed of square steel pipes are welded to closely be arranged and combined, so that strength in the arranged direction does not exceed 8 times larger than one square steel pipe, and the strength in the other direction is two times larger than it. The projection part 5 has a first side edge extending in the direction of intersecting the front wall face of the building body and a second side edge extending in the direction of intersecting the first side edge. The two column bodies 3, 3 is provided to be arranged in the direction along the second side edge, and an attached construction B is supported on the upper end of the column unit 2 with a receiving fitting 9 having connected and fixed the two column bodies 3, 3. Furthermore, strength is heightened by arranging it in the direction along the first side edge, rising it from the lower floor and making it vertical frame material of a wing wall 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an accessory that can increase the supporting strength of an accessory structure such as a staircase landing, a balcony, a corridor on the upper floor with a simple structure without increasing the number of pillars and without increasing the diameter of the pillars. It relates to a structure support structure.

[0002]

2. Description of the Related Art In a building having a multi-storey building main body provided with auxiliary structures such as stairs, balconies, and corridors on upper floors, the auxiliary structures may be supported by columns.

In order to increase the supporting strength of such an accessory structure, it has been proposed to increase the number of the columns or to increase the diameter of the columns (for example, thickening a 60 mm square steel pipe into an 80 mm square steel pipe).

[0004]

However, in the case of increasing the number of columns or enlarging the diameter of the columns,
In some cases, the appearance tends to deteriorate, and the structure becomes complicated, and the passage width below the attached structure may be reduced, so that the installation is restricted.
There is a strong demand for the emergence of a new structure that enhances the supporting strength of ancillary structures with a simple structure.

According to the present invention, the attached structure is made of a square steel pipe.
Ancillary structures that can improve the supporting strength of ancillary structures with a simple structure without increasing the number of columns or increasing the diameter of the columns, based on the column units that are closely arranged and fixed together. It is intended to provide a support structure.

[0006]

In order to achieve the above-mentioned object, the auxiliary structure support structure of the present invention is a pillar in which an auxiliary structure to be attached to a building body is fixed by closely arranging two pillars made of square steel tubes. Supported by a unit.

The accessory structure projects from the main body of the building and extends in a direction intersecting with the front wall surface of the main body of the building, and a second edge extending in a direction intersecting with the first peripheral edge.
And a column unit supporting the second edge, the two column bodies being arranged in a direction along the second edge and having two protrusions at the upper end of the column unit. It is preferable to support the accessory structure by using a receiving metal fitting that is fixed by connecting the column bodies in order to further improve the support strength while ensuring a sufficient passage width below the accessory structure.

In the pillar unit supporting the first edge of the protruding portion of the accessory structure, the two pillars are arranged in the direction along the first edge and rise from the downstairs to the first edge. It is preferable to form a vertical frame material for the sleeve wall panel that extends upward in the vicinity thereof along the edge, because the appearance can be improved while ensuring sufficient supporting strength, and the strength of the sleeve wall panel itself can be increased.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION The auxiliary structure support structure of the present invention will be described below as an auxiliary structure B attached to a building body A.
An embodiment will be described with reference to the drawings by taking as an example a case where a staircase S that connects a floor and a second floor is adopted.

As shown in FIG. 2 and FIG. 3, the building body A has a front wall surface W formed by the outer surfaces of outer wall panels 20 erected on a cloth foundation F, and the front wall surface W is cut off to form the cut portion C.
A flat U-shaped recess D is formed in the.

The stairs S are, as shown in FIGS.
A lower staircase portion 21 extending obliquely upward from the first floor in the recess D toward the front (the left side in FIG. 3 is referred to as “front” and the right side as “rear”), and is connected to the front end of the lower staircase portion 21. The landing section 22 to be installed, and the lower stairway section 2 from the rear end of the landing section 22
In parallel with 1, the upper staircase part 2 which extends obliquely upward toward the rear and has a flat part 24 at the rear part which is substantially level with the floor surface of the second floor
3 and the upper floor 25 which is continuously provided at the rear end of the flat portion 24 of the upper staircase portion 23 and whose peripheral frame 26 is bolted to a beam member 27 supporting the floor surface of the second floor of the recess D. It is formed as a so-called U-shaped staircase.

The front part of the lower staircase part 21 and the landing part 2
2 and the front part of the upper staircase part 23 form a projecting part 5 projecting forward of the front wall surface W of the building body A, and
The projecting portion 5 has a front edge 6 formed by a horizontal front beam 29 having a U-shaped cross section and arranged in parallel with the front wall surface W at the front end of the landing section 22,
It extends from both ends of the front beam 29 at a right angle to the front wall surface W and extends rearward to the lower side, and one side plate 21a, 2 of the upper step portions 21, 23
And side edges 7 and 7 formed by side beams 30A and 30B integrally having 3a. Therefore, in this embodiment, the first edge extending in the direction intersecting with the front wall surface W of the building body A is the front wall surface W.
The second edge extending in the direction intersecting the first edge is formed by the front edge 6 that is parallel to the front wall surface W, while being formed by the side edge 7 that is perpendicular to the first edge.

As shown in FIG. 4, the floor base of the landing section 22 is parallel to the front beam 29 and below the front beam 29.
The joint members 32 and 32 extending in the front-rear direction and spanning between the rear beams 31 that fix the front ends of the other side plates 21b and 23b of the upper stairs 21 and 23, and the facing surfaces of the side beams 30A and 30B, respectively. It is formed by supporting the concrete panel 34 by the fixed receiving materials 33, 33.

The staircase S having such a protruding portion 5 has its front edge 6 (second side edge) and side edges 7, 7 (first side edge).
Are supported using the pillar unit 2.

As shown in FIG. 1, FIG. 5, FIG. 6, etc., the pillar unit 2 has two pillar bodies 3, 3 made of, for example, a square steel pipe of 60 mm square, arranged closely together and fixed by welding. And the intensity in the aligned direction X (indicated by arrow X in FIG. 5) is
It is about 8 times (2 to the power of 3) of a 60 mm square steel tube, and the strength in the direction Y perpendicular to it is about 2 times, and 80 mm
3 as a whole compared to a column made of one square steel tube
The strength can be doubled.

Therefore, by using such a pillar unit 2, it is possible to improve the support strength of the stairs S without increasing the number of pillars and without increasing the diameter of the pillar over the entire circumference.

The pillar unit 2 supporting the front edge 6 (second side edge) is, as shown in FIGS. 1 and 3, the two pillar bodies 3 and 3 in the direction along the front edge 6. As shown in FIG. 5, at the upper end of the pillar unit 2, while being aligned and fixed,
The receiving metal fitting 9 consisting of a horizontal receiving piece 36 that is welded to the upper ends of the two pillars 3 and 3 and is joined to the two pillars 3 and 3 and a standing piece 37 that rises from the rear edge of the receiving piece 36 is fixed doing.

In the receiving bracket 9, the flange 29A below the front beam 29 is placed on the receiving piece 36 and both are bolted together, and the web 29B of the front beam 29 is set into the standing piece 37.
By bolting to the front edge 6, the front edge 6 can be directly received and supported, and the support strength thereof can be further improved. Receiving piece 3
Sufficient support strength can be obtained by bolting only one of the upright piece 6 and the upright piece 37 to the front beam 29.

At this time, since the pillars 3 and 3 are arranged and fixed in the direction along the front edge 6 (second side edge), the pillar unit 2 does not project below the landing section 22 and the landing section 2 is prevented.
2 A sufficient passage width can be secured below.

Further, in the column unit 2 which supports the side edge 7 (first edge), the two column bodies 3 and 3 are arranged and fixed in a direction along the side edge 7 (front-back direction). In addition, as shown in FIGS. 4 and 6, a mounting piece 39 that is bolted to each of the pillar bodies 3 of the pillar unit 2 and a vertical connecting piece extending from the mounting piece 39 to the side beam 30A (30B). 40,
The side plate 21 is bent at a right angle from the tip of the connecting piece 40.
It is fixed to the side edge 7 by using a connecting fitting 42 having a fixing piece 41 bolted to a (23a).

The connecting metal fitting 42 is not limited to that shown in FIG. 6, but metal fittings of various shapes such as a Z metal piece as shown in FIG. 7 can be adopted.

Further, the pillar unit 2 for supporting the side edge 7
As shown in FIGS. 2 and 4, the vertical vertical frame member 11 at the front end of the sleeve wall panel 10 that rises from the lower floor (first floor) and extends upward along the side edge 7 of the projecting portion 5. To form.

That is, the sleeve wall panel 10 includes the vertical frame member 11 arranged at the front end, the vertical vertical frame member 44 at the rear end arranged in front of the interruption C of the front wall surface W, and the vertical frame member 11, 44
A frame is formed by fixing a triangular upper frame body 47 whose height increases rearward to the upper surface of a rectangular peripheral frame composed of a horizontal upper frame member 45 and a lower frame member 46 that connect the upper and lower ends of At the same time, face materials 49A and 49B are attached to both surfaces of the frame.

The face member 49A on the side facing the side edge 7 by the construction is the side plate 21a including the connecting metal fitting 42 and the vertical middle frame member 50 connecting the upper frame member 45 and the lower frame member 46.
In addition to the case where it is attached to the framework of the sleeve wall panel 10 in advance, leaving the mounting portion of the mounting bracket 51 connected to (23a), after the sleeve wall panel 10 is fixed to the side edge 7, the face material 49A is attached later. Alternatively, the vertical frame members 11 and 44 of the sleeve wall panel 10, the middle frame member 50, ...
It may be connected and fixed to (30B).

In this way, the pillar unit 2 for supporting the side edge 7 is provided.
Since it is built in the sleeve wall panel 10, the appearance is not hindered, the appearance can be improved, and the strength of the sleeve wall panel 10 itself can be improved. In addition, the two pillars 3 and 3 are provided with side edges 7 ( The side wall panel 1 is fixed because it is fixed side by side in the direction along the first edge).
The thickness of 0 can be maintained at the same thickness as the conventional one.

As shown in FIGS. 2 and 4, handrail-shaped sleeve wall panels 53 are fixed to the side beams 30A and 30B on the side edges 7 and 7 of the landing section 22 by using connecting hardware 54. On the upper surface of the front beam 29, the sleeve wall panel 5
A handrail panel 55 having the same height as 3 is provided upright.

In the accessory structure support structure of the present invention, the accessory structures attached to the building body can employ not only the stairs S but also various structures such as balconies and corridors. The first edge of the protrusion 5 is not necessarily the front wall surface W.
And the second edge is not limited to the one parallel to the front wall surface W either.

[0028]

As described above, according to the auxiliary structure supporting structure of the present invention, since the auxiliary structure attached to the building body is supported by the pillar unit in which two pillars made of square steel tubes are closely arranged and fixed, The strength of the unit itself can be increased 8 times in the direction in which the columns are lined up and 2 times in the direction perpendicular to this, respectively, and as a result, without increasing the number of columns or increasing the column diameter over the entire circumference, With a simple structure, it is possible to improve the support strength of the attached structure, promote variations of the attached structure, and promote shake prevention measures.

Further, in the invention of claim 2, the second edge of the projecting portion projecting from the building body of the attached structure is defined by the second edge.
When a support bracket, which is fixed by splicing and fixing the two pillars to the upper end of the pillar unit composed of two pillars arranged in the direction along the edge of, is supported by the bracket. Since the second edge can be directly received and supported, the supporting strength can be further improved, and since the two columns are arranged in the direction along the second edge, the lower part of the protruding portion of the auxiliary structure is formed. On the one hand, it is possible to secure a sufficient passage width that passes through the first edge.

Further, in the invention of claim 3, the first edge of the projecting portion of the accessory structure has two pillars arranged in a direction along the first edge, and a vertical frame member of the sleeve wall panel is provided. When it is supported by the pillar unit to be formed, in addition to improving the supporting strength, the pillar unit is built in the sleeve wall panel, so this pillar unit does not stand out from the outside, and it looks good. In addition to being able to increase the strength, the strength of the sleeve wall panel itself can also be improved by using the column unit as the vertical frame material,
Moreover, despite the improvement in the strength, since the two pillars are arranged in the direction along the second edge, it is possible to prevent the thickness of the sleeve wall panel from increasing.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of an embodiment of the present invention.

FIG. 2 is a side view thereof.

FIG. 3 is a plan view thereof.

FIG. 4 is a partial plan view showing, on an enlarged scale, a protruding portion of the attached construct.

FIG. 5 is a partial perspective view illustrating a receiving bracket.

FIG. 6 is a partial perspective view illustrating a column unit that supports a side edge.

FIG. 7 is a perspective view showing another form of a connecting fitting for connecting the pillar unit and the side edge of the protruding portion.

[Explanation of symbols]

 2 Pillar unit 3 Pillar body 5 Projection part 9 Receiving metal fitting 10 Sleeve wall panel 11 Vertical frame material A Building body B Attached structure W Front wall surface

Claims (3)

[Claims] 1. An accessory structure support structure, wherein an accessory structure attached to a building body is supported by a pillar unit in which two pillars made of square steel tubes are closely arranged and fixed. 2. The adjunct structure has a first side edge protruding from the building body and extending in a direction intersecting with a front wall surface of the building body, and a second edge extending in a direction intersecting with the first side edge. The pillar unit supporting the second edge is provided with two protrusions arranged in a direction along the second edge, and two pillars are provided at the upper end of the pillar unit. The auxiliary structure support structure according to claim 1, wherein the auxiliary structure is supported by using a bracket that is fixed in succession. 3. The attached structure includes a first edge extending in a direction projecting from the building body and intersecting with a front wall surface of the building body, and a second edge extending in a direction intersecting with the first edge. A pillar unit that includes a protrusion having a first edge is arranged in a direction in which the two pillars are arranged in a direction along the first edge, and rises from a downstairs along the first edge. 2. The auxiliary structure support structure according to claim 1, wherein a vertical frame material of the sleeve wall panel is formed so as to extend upward in the vicinity thereof.