JPH0672474B2 - Construction method of stairs such as buildings - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of constructing stairs such as buildings.

[0002]

2. Description of the Related Art In recent years, buildings such as office buildings have tended to be high-rise, and various building materials are required to be lightweight and their construction methods are required to be rationalized. Such requirements have been applied to stairs, and in particular, steel frame stairs installed in high-rise buildings are required to have mass productivity and workability.

[0003]

However, in the conventional construction of steel stairs, it is necessary to install the staircase main body in the building and then perform mortar hammering and pasting of surface finishing material at the finishing stage. However, not only the construction is complicated and a long construction period is required, but also a considerably long period is required until the surface finish material is hardened even after the surface finishing process is completed.

Therefore, the object of the present invention is to facilitate construction,
In particular, the finishing process is easy and the construction period is short, and the staircase can be used as a scaffold for work after the stairway body is installed and before the finishing process is started. To provide a construction method.

[0005]

In order to achieve the above-mentioned object, the method of constructing a building or the like of the present invention has the following constitution. That is, a pair of sasara girders facing each other at a constant interval, and arranged in a stepwise manner between the pair of sasara girders, and fixed to the sasara girder, a plurality of step plates,
A staircase main body having a landing panel, which is arranged in a plane at the end of the sasara girder and fixed to the sasara girder, and engaging portions provided on the front and rear edges of the step plate, respectively. And a step of installing the staircase main body in a building or the like, and manufacturing a plurality of finishing step plates, a hook engaging portion at the front edge of the finishing step plate, and a rear end of the finishing step plate. A step of forming engaging protrusions on the edges, respectively, and engaging the engaging protrusions of the finishing step plate with the engaging portions provided at the rear edge of the step plate, and A hook is engaged with the hook engaging portion and the engaging portion of the front edge portion of the step plate, and the hook is fixed to the front edge portion of the step plate, whereby the finishing step plate is attached to the step plate. The step of fixing, the step of manufacturing the finishing landing panel, the step of attaching the finishing landing panel And fixing laying the body of the landing panel, and having a.

In the method of constructing stairs for a building according to the present invention,
Since the staircase main body, the finished corrugated board, and the finished landing panel can be manufactured at the factory, and they can be brought into the construction site and installed as they are, the construction is easy and the construction period is short. In addition, the staircase body, finishing stairs,
Since all parts such as finishing landing panels are mass-produced in the factory, quality control is easy and the finishing quality at the construction site can be maintained constant. Furthermore, since the staircase body can be used as a scaffold for work when it is installed in a building, etc., it is possible to reduce the number of work scaffolds that must be installed at a construction site. And it becomes possible to omit the process required for disassembly.

[0007]

Embodiments of the present invention will be described below with reference to the drawings.

1 and 2 show an embodiment of a staircase main body 2 which constitutes a staircase of a building or the like according to the present invention. Stairs body 2
Installs a pair of sasara girders 5 between the beams 6 of the building, and then inserts the step plate 3 into the rear bracket 7 and the front bracket 8 provided on the step plate 3 by inserting the bolt 9 into the nut 10 and the screw 10. It is fixed between the sasara girders 5 by tightening and tightening, and the landing panel 4 is attached by plug welding on the beam (not shown) fixed by the bolts and nuts (not shown) between the sasara girders 5. Has been done.

The step plate 3 has its rear end 3a bent upward at a right angle and then bent back at a right angle to the front side to form a U-shape, and the rear brackets 7 are provided at the left and right ends of the U-shape. The folding portion 18 is provided with an engaging portion 11 for a finishing step plate (not shown) and an engaging portion 12 for a riser cover (not shown). Further, the front end portion 3b is formed by bending downward at a right angle, then at a right angle toward the rear side, further downward at a right angle, and then at the right angle at the front side. Front bracket 8
Is provided, and a right-angled bent portion 15 is formed with a hooking hole 31 (not shown) for fixing the finishing plate and an insertion hole 14.

Such a complicatedly bent shape prevents the mounting member (not shown) of the step plate 3 and the mounting member (not shown) of the finishing step plate (not shown) from coming into sight when the stairs are looked up from below. And the rigidity of the step plate 3 in the width direction is increased. The ribs 16 formed on the flat surface of the step plate 3 enhance the rigidity in the depth direction.

The landing panel 4 is formed to have a predetermined size, is supported by a beam (not shown) in the width direction, and is increased in rigidity by a rib 17 in the depth direction. Here, the landing panel 4 is formed by laying a plurality of sheets, but the dimensions of the landing panel 4 can be set freely, and for example, one piece may be laid.

3 to 5 show an embodiment of stairs of a building or the like.

FIG. 3 shows a state in which the finishing step plate 20 and the rise cover 21 are mounted and fixed to the staircase main body 2, that is, a completed step portion.

Explaining the structure of the finishing step plate 20 shown in the figure, two panels are superposed in a hollow shape, and a plurality of substantially hemispherical recesses 23a are formed in the back panel 23, and each recess 23a. Is spot-welded to the top panel 22. Furthermore, a filling material 35 such as mortar is filled and sealed in the hollow portion formed by the top panel 22 and the back panel 23.

At the rear end portion 20a of this finishing step plate 20,
A hook-shaped protrusion 2 that is bent rearward at a slightly sharper angle than a right angle
7 is provided, and the front end portion 20b is provided with an engagement protrusion 28 bent forward at a right angle.

On the surface of the upper panel 22, a surface finishing material 2 such as a tile carpet or a vinyl chloride sheet is provided.
5 is laid and fixed, and an anti-slip material 26 is attached to the front end portion 20b.

On the lower surface of the back panel 23, a sound absorbing / buffering unit 24 made of glass wool or the like is attached and fixed to the step plate 3 in a compressed state. The sound absorbing / buffering unit 24 absorbs pedestrians and impact noises on stairs together with the sound absorbing / buffering effect of the finishing step plate 20 itself, and brings an appropriate feeling of stepping (cushion) to the stairs. The scratches and irregularities on the surface are absorbed to prevent the finished step plate 20 from rattling.

In this finishing step plate 20, the hook-shaped projecting piece 27 provided at the rear end portion 20a is provided with the engaging portion 11 provided on the step plate 3.
The engaging projection 2 provided on the front end portion 20b.
8 is engaged with a hook 29, and the hook 29 is pressed downward to compress the sound absorbing / buffering unit 24 and the cushion material 30 so that the end 29a of the hook 29 engages with the engaging hole 13 of the step plate 3. By inserting and fixing the hook 29 with the pin 36 that has been inserted through the insertion port 14,
It is fixed on the step plate 3.

Here, since the finishing step plate 20 is produced in a factory, it is necessary to attach the finishing step plate 20 only by the above-mentioned fastening means on the site, the attaching work becomes extremely easy, and the construction period can be shortened. .

The riser cover 21 is made of, for example, a single plate made of stainless steel or the like, and has an upper end engaging portion 31 whose upper end is bent at a right angle, and a lower end which forms a gentle curved surface and is folded back to an acute angle. , The folded-back portion is bent at an intermediate portion so that the lower end engaging portion 3 has a substantially mountain shape upward.
Two are provided.

The kick-up cover 21 is fixed by engaging the upper end engaging portion 31 of the kick-up cover 21 with the step-like engaging portion 33 and further pressing the packing 34 into the extra space to fix the upper end portion. The upward chevron portion of the lower end engaging portion 32 of the cover 21 and the downward chevron portion of the step engaging portion 12 are engaged with each other to fix the lower end portion.

As described above, the kick-up cover 21 can be surely and securely attached very easily, and the constituent members of the staircase main body 2 and the hooks 29 and the pins 36 for fixing the finishing step plate 20 are hidden. The staircase surface can be beautifully finished.

FIG. 4 shows a landing portion in which the finishing landing panel 40 is mounted and fixed on the landing panel 4.

Explaining the structure of the finish landing panel 40, two panels are laminated in a hollow shape, and a plurality of substantially hemispherical recesses 42a are formed in the rear panel 42, and the tops of the respective recesses 42a are the upper surfaces. Spot welded to the panel 41. Further, in the hollow portion formed by the top panel 41 and the back panel 42, a filling material 4 such as mortar is filled.
3 is filled and enclosed.

On the surface of the upper panel 41, a surface finish material 4 such as a tile carpet or a vinyl chloride sheet is provided.
4 is laid and fixed.

A sound absorbing / buffering unit 45 made of glass wool or the like is attached to the lower surface of the back panel 42 and fixed in a compressed state with the landing panel 4. The sound absorbing / buffering unit 45, together with the sound absorbing and buffering effect of the finishing landing panel 40 itself, absorbs pedestrians and impact noises on the stairs, and provides an appropriate feeling of stepping (cushion) to the stairs.
The scratches and irregularities on the surface are absorbed to prevent rattling of the finished landing panel 40.

This finishing landing panel 4 has its end 4
An engaging portion 47 bent inward is formed at 0a, and the end portion 4
An engaging protrusion 48 bent outward is formed at 0b, and when the finishing landing panel 40 is laid, the engaging portion 47 and the engaging protrusion 48 of the adjacent panels are engaged with each other to be in a connected state. The pressing metal fitting 50 is fixed to the pressing metal fitting receiver 51 by the screw 52, and at this time, the finish landing panel 40 is fixed on the landing material panel 4 by pressing the protrusion 49.

Since the finishing landing panel 40 is produced at the factory, the finishing landing panel 4 is produced on site.
0 can be attached only by the above-mentioned fastening means, the attaching work becomes extremely easy, and the work period can be shortened together with the attaching work of the finishing step plate 20.

[0029]

As described above, according to the method for constructing a staircase of a building or the like of the present invention, a staircase main body, a finishing corrugated board and a finishing landing panel are manufactured in a factory, and these are carried into a construction site. Since it can be installed as it is, its construction is easy and the construction period is short. In addition, since all the parts such as the staircase body, finishing corrugated board, finishing landing panel, etc. are mass-produced at the factory, quality control is easy,
The finishing quality at the construction site can also be kept constant. Furthermore, since the staircase body can be used as a scaffold for work when it is installed in a building, etc., it is possible to reduce the number of work scaffolds that must be installed at a construction site. And it becomes possible to omit the process required for disassembly.

[Brief description of drawings]

FIG. 1 is a perspective view of a staircase body installed by a construction method of the present invention.

FIG. 2 is an exploded perspective view for explaining a connecting structure of a step plate and a sasara girder of the staircase body of FIG.

FIG. 3 is a sectional view of a step plate portion of a staircase completed by a construction method of the present invention.

FIG. 4 is a cross-sectional view of the landing panel portion of the stairs completed by the construction method of the present invention.

FIG. 5 is a cross-sectional view of a staircase completed by the construction method of the present invention.

[Explanation of symbols]

 1 staircase 2 staircase body 3 step board 4 landing panel 5 sasara girder 20 finishing board 40 finishing landing panel 24, 45 sound absorbing / buffering unit

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Bibliography Sho 49-20320 (JP, U) Rikai 55-10820 (JP, U) Rikai 56-176930 (JP, U) Japanese Patent Sho 50- 8851 (JP, B2) Actual public Sho 54-41539 (JP, Y2)

Claims (1)

[Claims] 1. A pair of sasara girders facing each other at regular intervals, and a plurality of step plates arranged in a stepwise fashion between the pair of sasara girders and fixed to the sasara girder.
A staircase main body having a landing panel, which is arranged in a plane at the end of the sasara girder and fixed to the sasara girder, and engaging portions provided on the front and rear edges of the step plate, respectively. And a step of installing the staircase main body in a building or the like, and manufacturing a plurality of finishing step plates, a hook engaging portion at the front edge of the finishing step plate, and a rear end of the finishing step plate. A step of forming engaging protrusions on the edge portions, respectively, and engaging the engaging protrusions of the finishing step plate with the engaging portions provided on the rear edge portion of the step plate, and A hook is engaged with the hook engaging portion and the engaging portion of the front edge portion of the step plate, and the hook is fixed to the front edge portion of the step plate, whereby the finishing step plate is attached to the step plate. A step of fixing, a step of manufacturing a finishing landing panel, and a step of manufacturing the finishing landing panel Wherein the step of fixing laying on the landing panel, and having a construction method of the stairs of the building, such as the stage body.