JPH08144461A - Constitutional way of stairs - Google Patents

Abstract

PURPOSE: To change a tentative stair to a final stair, by repairing the decoration after a tentative safe and easily usable stair for various works after the erection has been provided. CONSTITUTION: A stair S provided with at least treads 10A is used for a tentative stair and decoration boards 20 are provided at least at the treading face 10Aa side of the tread boards 10A in the stair S. Or the tread boards 10A are provided with carpets, sheets, or plastic tiles. The tread boards 10A are exchanged to final tread boards.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is intended to be used as a temporary ladder with various types of construction such as stairs before the construction work or before each construction work from this construction structure. In the latter half of the construction, the stairs used as this temporary ladder should be provided with the components necessary for the original stair construction, such as a decorative tread, or the carpet, decorative sheets, plastic tiles, etc. According to the method for constructing a staircase, a member required for the original construction of a staircase is provided, or a stairboard that can be used as a main ladder is provided in place of the stairway used as the temporary ladder. .

[0002]

2. Description of the Related Art Stairs installed in a building are used as a connecting means for connecting the upper floor and the lower floor, but in general construction, one month after the construction is completed.
Often, about two months later, the stairs are installed and installed. During the period between the building and the installation of the stairs, the upper and lower floors are usually used for construction work using a temporary ladder. It was used as a connecting means for connecting the two, or as a means for raising and lowering members, equipment, etc. for works such as construction using this temporary ladder.

[0003]

However, in such a conventional construction method, the work of mounting the temporary ladder is carried out together with the erection, and the temporary ladder is removed again in the latter half of the construction work, especially carpentry work, It was necessary to install the original stairs, that is, the stairs that function as a main ladder for daily use, and it took a lot of time and effort to install and remove the temporary ladder in advance. .

Further, the temporary ladder used in such a construction site is generally difficult, but it is sometimes assumed that the temporary ladder is removed after the stairs have been attached. In terms of safety, it is necessary to install such a temporary ladder carefully and in a state where sufficient safety standards are satisfied, so that it tends to require a lot of work and a large number of members for installing the temporary ladder. Also, temporary ladders of this kind installed are usually steep, and are not always convenient for connecting the upper and lower floors, raising work materials, and carrying in / out equipment. It was

Further, in such a conventional method, there is a time lag between the installation of the stairs and the construction around the stairs, so that there is a problem in color matching of the construction materials. There were occasions when it was difficult to fit sasara girders and skirting boards.

Further, in such a conventional method, after the stairs have been mounted, since the various structures have been constructed using the stairs attached, it is necessary to protect the decorative surface of the stairs attached. You have to do enough,
Such a decorative surface protection (usually referred to as curing) means is provided so as to completely cover the decorative surface, especially the tread surface, which requires a lot of work and many curing members. There was a problem.

Furthermore, in such a conventional method,
Insufficient curing, or despite the curing, the stairs installed, especially the decorative surface such as a tread, often causes defects such as scratches due to the construction work. Therefore, a lot of work is required, and in some cases, the makeup characteristics of the repair finish cannot be satisfied.

Furthermore, in such a conventional method,
When the attached stairs are damaged, scratched or soiled after the construction is completed,
There has been a problem that a lot of repair work and a repair member are required for replacement and repair of the damaged portion, or for repairing the makeup of the damaged or stained portion.

In view of the inconvenience of the conventional method, the present invention provides a staircase that is a safe and easy-to-use alternative to a temporary ladder in various constructions after erection, and, in the latter half of carpentry work, makes up the staircase. The purpose is to modify and provide the stairs as a substitute for the temporary ladder used in various constructions as the original stairs with good makeup.

[Means for Solving the Problems]

In order to achieve the above-mentioned object, a method of constructing a staircase S'according to the present invention is the same as the method of constructing a staircase according to the invention of claim 1, in which a staircase S constructed with at least a step board 10A is provisionally provided. With respect to the stairs S used as a ladder and used as the temporary ladder, the decorative footboard 2 is provided at least on the step surface 10Aa side of the footboard 10A in the stairs S.
The configuration is such that 0 is provided.

Next, in the method of constructing the stairs S'according to the invention of claim 2, the stairs S including at least the step board 11A is used as a temporary ladder, and the stairs S used as the temporary ladder are provided with the stairs S '. The decorative footboard 20 is located on at least the footboard surface 10Aa of the footboard 10A in S.
In the method for constructing stairs, the engaging means 60, 60 for engaging with each other are provided on the mounting surface side where the step board 10A used as the temporary ladder and the decorative step board 20 attached thereto are in contact with each other. It is configured to be provided.

Further, in the method of constructing the stairs S'according to the invention of claim 3, in the method of constructing the stairs S'according to the invention of claim 2, a step board 10A used as a temporary ladder and a decorative step board attached thereto. The engaging means 60 provided on the engaging ridges 20 and the engaging protrusions 61 provided from the front end side to the rear end side of each of the treads 10A, 20 and the engaging ridges 6
1 has an engaging groove 62 configuration.

Next, according to the method of constructing the stairs S'according to the invention of claim 4, the stairs S having at least the step board 10A is used as a temporary ladder, and the step board 10A in the stairs S used as the temporary ladder is used. A tread surface M of the tread plate portion 10 configured to cover the tread surface M and the riser surface N, or to include the nose tree 10B on the tread plate 10A;
Carpet or decorative sheet 30 covering the rise surface N
It is configured to be equipped with.

Further, in the method of constructing the stairs S'according to the invention of claim 5, the stairs S including at least the step board 10A is used as a temporary ladder, and at least the step board 10A in the stairs S used as the temporary ladder is used. The plastic tile 40 is provided so as to cover the tread surface 10Aa, or to cover at least the tread surface 10Aa of the tread part 10 including the nose tree 10B on the tread 10A.

Next, in the method of constructing the stairs S'according to the sixth aspect of the present invention, the stairs S having at least the step plate 10A is used as a temporary ladder, and the step plate 10A used as the temporary ladder is removed. In this configuration, a footboard 70 used as a main ladder is provided in place of the footboard 10A used as a temporary ladder.

[0016]

A staircase S having a step board is first constructed and used as a temporary ladder, and at least the step board 10A in the staircase S is used for the staircase S used as the temporary ladder.
The step surface 10a is provided with the decorative step plate 20 to provide a staircase S'used for daily use, or at least the step board 10A in the staircase S is provided with or without the nose tree 10B. Tread surface M of the tread part 10
The carpet or the decorative sheet 30 covering the and the raising surface N
By providing the stairs S'for daily use
In addition, at least the step board 10A in the stairs S, or at least the step board surface 10Aa of the step board section 10 including the step board 10A and the nose tree 10B.
By covering it with a plastic tile 40 to form a staircase S ′ that is used for daily use. Furthermore, the footboard 10A in the staircase S used as a temporary ladder was removed and used as this temporary ladder. Instead of the footboard 10A in the stairs S, a footboard 7 used as a main ladder
By providing 0, the stairs S ′ used for daily use are configured, so that it is not necessary to separately install a temporary ladder used for construction work and the like.

In addition, the stairs S that can be used as a temporary ladder should be constructed in advance, and the stairs S used as the temporary ladder should be made of makeup or replaced with a step board 70 that functions as a main ladder. Since the stairs S ′ used for daily use are configured, it is possible to perform the work of changing the makeup and the footboard on the stairs S and the construction of the stairs at the same time. Tread,
There will be no color difference in risers, side plates, stair skirting around stairs, and sasara girders. Similarly, there is no difference in the accommodation of sasara girders and skirting boards.

Further, since the stairs S having a step board which will be used for daily use are constructed and the stairs S are used as a temporary ladder, this is used as an alternative to the temporary ladder. In this case, it is possible to safely climb up and down the upper and lower floors and to safely climb up and down, and it is possible to easily and safely carry in a work material or carry in and out various equipment.

Furthermore, the stairs S used as a temporary ladder
On the other hand, after being used as this temporary ladder, the stairs S used as this temporary ladder are made by applying makeup to this so that it becomes the stairs S'used for daily use, or by replacing the treads. There is no need to give any cure to
Moreover, damages, stains, etc. on the stairs S that occur when the stairs S are used as a temporary ladder can be easily repaired, or by ignoring this, makeup is applied to the stairs S, or as a main ladder. The footboard 70 can be provided.

Furthermore, the stairs S'used as a temporary ladder may be made up with makeup in the latter half of carpentry work or replaced with a footboard 70 used as a main ladder to provide the stairs S'used for daily use. Therefore, the stairs S ′ configured by applying makeup are not damaged, damaged, or soiled during carpentry work.

Further, since the stairs S used as a temporary ladder are separately provided with a decorative material to form a staircase S'for daily use, the staircase S'for daily use is provided. Even if the stairs S ′ to be broken are damaged, scratched, or contaminated, only the part of the stairs S can be replaced and repaired separately from the part of the stairs S.

Furthermore, the staircase S including at least a step board is used as a temporary ladder, and the staircase S used as the temporary ladder is at least on the side of the step board surface 10Aa of the step board 10A of the staircase S. In the method of constructing the stairs, which is provided with 20,
Since the tread plate 10A used as the temporary ladder and the decorative tread plate 20 attached to the tread plate are provided with engaging means 60 for engaging with each other on the mounting surface side, By simply assembling and engaging the decorative footboard 20 with the footboard 10A used as the ladder, it is possible to configure the stairs including the footboard 20 that functions as the main ladder.

Next, the engaging means 60 provided on the step board 10A used as a temporary ladder and the decorative step board 20 attached thereto is provided from the front end side to the rear end side of each of the step boards 10A, 20. Since the engaging ridge 61 and the engaging groove 62 in which the engaging ridge 61 is housed are configured,
Only by pushing in from the front of 0A, it is possible to reliably attach the decorative footboard 20 functioning as the main ladder to the footboard 10A of the stairs used as the temporary ladder.

[0024]

EXAMPLES Hereinafter, typical examples of the method of constructing the stairs S'according to the present invention will be described in detail. 1 to 4 show a method of constructing a staircase according to the first embodiment, and FIG. 1 is a perspective view of a staircase S that can be used as a temporary ladder, in which a peripheral side portion thereof is broken so that it can be easily understood. FIG. 2 shows the corners of the stairs S in a vertical cross section in a state of being removed and shown in a perspective view. Further, FIG. 3 shows each member attached to the stairs S, especially the stairs S used as a temporary ladder.
And a main part of each main constituent part of each member constituting the staircase S ′ which is used for daily use, is shown in a perspective view by removing the other part by breaking, and in FIG. A main section in a state of being a staircase S ′ that is provided for daily use by including such a member is shown as a vertical cross section.

FIG. 5 shows a staircase S ′ constructed by the method for constructing the staircase according to the second embodiment corresponding to the method for constructing the staircase according to the first embodiment, as a longitudinal section of the main part thereof. There is.

6 to 13 show a method of constructing a staircase S'according to the third embodiment, and FIG. 6 is a schematic view showing the essential parts of the staircase S which can be used as a temporary ladder. The peripheral side part is shown in a perspective view with the fracture removed, and FIG.
This staircase S has a vertical cross section in the vertical direction, and
Is shown as a vertical cross section of the main part of the portion along the line YY in FIG. Further, FIG. 9 shows a state in which the riser plate 11 is attached to the stairs S in a perspective view in which the peripheral side portion is broken and removed, and in FIG. 10, this is shown in the vertical direction of the stairs S. Further, FIG. 11 shows a vertical cross section of a main part taken along a line Y′-Y ′ in FIG. 10. Further, FIG. 12 shows a decorative tread 20.
Is attached to the footboard 10A used as the temporary ladder, and the makeup of the stairs is shown as a perspective view of the main parts in the separated state of each part. In FIG. It is shown as a vertical cross section in the up and down direction.

14 to 16 show a method of constructing a staircase according to the fourth embodiment, and FIG. 14 shows the staircase S that can be used as a temporary ladder so that the main part thereof can be easily understood. The part is broken away and shown in a perspective view.
Is a main component of each member attached to the stairs S, in particular, the stairs S used as a temporary ladder and each member constituting the stairs S ′ used for daily use. The main part is shown in a perspective state by breaking away the peripheral side part thereof, and in FIG. 16, a staircase S ′ that is provided for daily use by including such a member is shown.
The main part in this state is shown as a vertical cross section.

17 to 19 show a method of constructing a staircase according to the fifth embodiment, and FIG. 17 shows the structure of a staircase S which can be used as a temporary ladder so that the main parts thereof can be easily understood. It is shown as a perspective view with the side part broken away.
FIG. 18 shows each member attached to the stairs S,
In particular, the main part of each main component of the stairs S used as a temporary ladder and each member constituting the stairs S'used for daily use is broken and removed at its peripheral side portion. It is shown in a perspective view. Further, FIG. 19 shows, as a vertical cross section, a main part in a state of being a staircase S ′ that is provided for daily use by including such a member.

20 to 22 show a method of constructing a staircase according to the sixth embodiment, and FIG. 20 shows the structure of a staircase S that can be used as a temporary ladder so that the main parts thereof can be easily understood. It is shown as a perspective view with the side part broken away.
FIG. 21 shows each member attached to the stairs S,
In particular, the main part of each main component of the stairs S used as a temporary ladder and each member constituting the stairs S'used for daily use is broken and removed at its peripheral side portion. It is shown in a perspective view. Further, FIG. 22 shows, as a vertical cross section, a main part in a state of being a staircase S ′ that is provided for daily use by including such a member.

23 to 30 show a method of constructing a staircase S'according to the third embodiment, and FIG. 23 is a schematic view showing the essential parts of the staircase S that can be used as a temporary ladder.
The peripheral side portion is shown in a perspective view with the fracture removed, as shown in FIG.
Is a vertical cross section of this staircase S in the vertical direction,
FIG. 25 is shown as a vertical cross section of the main part in the portion along the yy line in FIG. Further, FIG. 26 shows a state in which the decorative step plate 20 is attached to the stairs S together with the step plate 10A in place of the step plate 10A in a perspective view in which the peripheral side portion thereof is broken and removed. , This is a vertical cross section of the stairs S ′ in the vertical direction.
8 shows a vertical cross section of the main part taken along the line y'-y 'in FIG. Further, FIG. 29 shows the makeup step plate 20 together with the riser plate 11 in place of the step plate 10A used as the temporary ladder, and shows a state in which makeup is adjusted on the stairs as a perspective view of the main part. In FIG. 30, this is shown as a vertical cross section in the vertical direction of the stairs.

(1) Construction Method of Stairs According to First Embodiment First, a construction method of stairs according to the first embodiment shown in FIGS. 1 to 4 will be described. In the method of constructing the stairs according to the first embodiment, the stairs S that connect the upper floor and the lower floor are provided with at least the footboard 10A, together with the erection or during the work following the erection. As a staircase S ′ that can be used for daily use, the staircase S used as a temporary ladder is provided with at least the decorative footboard 20. There is.

First, in the stairway construction method according to the first embodiment, the staircase S used as a temporary ladder is constructed in the same manner as a general so-called known wooden staircase construction method. , For example, it may be configured as a sagittal girder staircase as in the illustrated example.
For example, it may be configured as another wooden stair such as a side girder staircase, a power girder staircase, or a box staircase.

In the stairs S used as the temporary ladder constructed here, the step plate 10A and the riser plate 11 are attached to the sasara girder 50 by a conventional method of the sasara stairs, that is, a known construction method. Fix it. Here, Sasara digit 50
The step board 10A attached to the decorative step board 20 is used as a temporary ladder, and the protrusion size of the nose surface portion 22 of the decorative step board 20 is larger than the depth width W of the step board surface 20a of the decorative step board 20 attached to the step board 10A. The depth width H of the footboard 10A is reduced by an amount corresponding to w. Further, together with the step board 10A, the riser board 1 which is attached to the sasara girder 50 described above.
No. 1 is attached by a nail 15 to the lower surface of the footboard 10A so as to be flush with the nose surface of the footboard 10A, and the lower part thereof is located at the lower stage as in a general Sasara girder staircase. It is fixed to the side end on the back side of the footboard 10A.

In the figure, 51 is the upper part of the sasara girder 5.
Gypsum board as a wall base material that is continuously installed on
Indicates a backup material, and 53 indicates a stud. Further, the sasara girder 50 used here is a main body plate portion 50 'disposed on the side portion of the constructed staircase so as to extend over the upper floor and the lower floor, and the main body plate portion 50'. And a receiving plate portion 50 ″ that is arranged so as to be lined up on the lower side of the receiving plate portion 50 ″ in the longitudinal direction thereof.
It has a substantially right-angled triangular shape, and the edge corresponding to the upper side thereof is a substantially horizontal receiving edge 50 "a, and the right-angled portion of the receiving plate portion 50" is on the upper front side in the stairs to be constructed. It is configured so as to be integrated with the body plate portion 50 'so as to be positioned. As a result, the horizontal receiving edge 5 of the receiving plate portion 50 ″ of the sasara girder 50 is obtained.
The footboard 10A is mounted by supporting the side end portions of the footboard 10A with respect to 0 "a, and the riser board 11 is attached to the vertical edge 50" b on the front side of the receiving edge 50 "a. Can be mounted in contact with each other, and in this embodiment, the receiving edge 5 of the receiving plate portion 50 "is mounted.
The footboard 10A is attached to the sasara girder 50 so that the front edge projects forward from 0 ″ a by a thickness equivalent to the thickness of the riser board 11, and below the footboard 10A attached to the sasara girder 50, the receiving plate 10A is attached. Vertical edge 5 of plate 50 "
0 ″ b is used to bring the riser plate 11 into contact with the lower end of the step plate 10A with the upper end of the riser plate 11, and the front end face of the step plate 10A and the face of the riser plate 11 are Mount so that it is flush.

Next, the lower end of the riser plate 11 is taken in the next step, that is, the step plate 10A attached as described above.
It is fastened to the side end surface on the back side of the footboard 10A located in the lower tier, and the footboards 10A, 10A, ... Which fit well are mounted between the uppermost footboard 10A and the floor surface of the lower floor.
In addition, the stairs to be constructed, in particular, in this case, the upper side of the sasara girder 50 is received by, for example, a receiving beam, and an intermediate portion thereof is accommodated in the studs in the recessed portion, and The lower side is configured to be supported by a base or a support material.

The Sasara girder 50 in the above is one of the attempts to construct the stairs by a relatively simple method. A staircase may be configured by providing a receiving groove called a horizontal recess for accommodating the stepping plate 10A to be formed, and using the receiving groove of each step, by attaching the stepping plates 10A, 10A ... Of each step. Further, the sasara girders on the above-mentioned floors are, for example, sasara girders provided as a pair of timbers having a rectangular cross section that is long in the longitudinal direction, and each of the sasara girders is provided with a receiving tree, whereby the footboards 10A and 10A are provided. It is also possible to form a mounting step portion for. Furthermore,
Instead of the Sasara girder staircase, the staircase S used as a temporary ladder configured above may be configured as a general staircase such as a power girder staircase, a box staircase, or a side girder staircase.

By using the stairs S thus constructed, the erection, especially various works after the building is raised.
Therefore, it is not necessary to prepare a temporary ladder and to attach this temporary ladder after the construction is completed.
The stairs S constructed here are used as a construction passage connecting the upper floor and the lower floor. As a result, the movement of the person and the movement of the article between the upper floor and the lower floor are made easy and safe, and the workability in various kinds of works is significantly improved.

The stairs S used in the comparatively latter half of the carpentry work for various works will be referred to as stairs S'used for daily use. As a time suitable for changing the makeup of the stairs S used as an alternative to the temporary ladder as the original stairs S'used in the living space, in consideration of the work procedure in various works, in particular, , It is usually preferable to make it the final stage of carpentry work because of the balance with the carpentry work, but it is not always particular about this, and it is more appropriate in terms of the balance with other work, and therefore The makeup change may be performed relatively early in the construction, and in some cases, after the carpentry work is completed, the makeup change may be performed together with other work or after the completion of the carpentry work. It may be done.

In the method of constructing the stairs according to the first embodiment, the decorative footboard 20 and the decorative riser board 2 are provided for the stairs S that are constructed and used or are used above.
By attaching 1 and 1, the stairs S ′ that are used on a daily basis, that is, as a means of living, are configured.

The decorative footboard 20 used here is shaped and dimensioned so as to be mounted substantially on the footboard surface 10Aa of the footboard 10A in the stairs S, and has a lateral width dimension substantially the same as the footboard 10A. In addition to being prepared, this is a nose surface portion 22 having a thick plate width.
And a tread plate portion 23 which is dropped in a step shape on the lower surface side of the nose surface portion 22 to be thin and which is attached in close contact with the tread surface 10Aa of the tread 10A of the stairs S. The nose surface portion 22 and the upper surface of the step plate portion 23 following the nose surface portion 22 form a continuous smooth step plate surface 20a.

Here, the step plate portion 23, which is thin from the nose surface portion 22 in a step-like manner, is thinned only on the lower surface side thereof.
The depth dimension is the same as the depth width H of a, and the protrusion dimension w of the nose surface portion 22 of the decorative footboard 20 is set.
The depth width W of the footboard surface 20a of the decorative footboard 20 is configured to be considerably larger than the depth width H of the footboard 10A.

Next, the decorative riser 2 used here
1 is a riser plate 1 on the stairs S configured as described above
It is attached so as to cover the front surface of the No. 1 and is made of a rectangular decorative material having the same shape and the same size as the riser plate 11.

The decorative tread plate 20 and the decorative riser plate 2
1 is attached to and fixed to the stairs S together with the makeup treatment of the wall surface or after the makeup treatment on the wall, or these makeup footboards 2 are attached to the stairs S.
After fixing and fixing the 0 and the decorative riser 21, the cloth 54 is attached to the wall surface and the skirting board 55 is attached.

That is, in the figure, the cloth 54 is the upper part 50a of the girder girder 50 and the upper part 50a of the girder girder board 51, which is abutted against the upper part 50a of the girder girder, as the wall base material. It is attached to the surface, and the lower part of the stake is covered by the skirting board 55. Further, the skirting board 55 used here includes a horizontal plate portion 55A provided on the step board surface 20a of the step board 20 to be attached, and a riser board 21.
The vertical plate portion 55B is provided so as to rise along the vertical direction. The horizontal plate portion 55A has a substantially rectangular shape, and the side edge 55Ab on the rear end side is a vertical side end that abuts the side edge 55Ba on the vertical front end side of the vertical plate portion 55B. In addition, the front edge side is in the state of makeup fastening, and the inclined edge 55A is in contact with the upper end of the vertical plate portion 55B.
It is configured as a. Further, the vertical plate portion 55B used corresponding to the horizontal plate portion 55A has a substantially rectangular shape,
Moreover, the lower end side 55Bb thereof is a horizontal edge that abuts on the tread surface 20a of the tread 20, and the upper edge is an inclined edge 55Bc that serves as a decorative fastening edge that abuts on the decorative fastening edge 55Aa of the horizontal plate portion 55A. In addition, a cutout portion 55Bd for accommodating the nose surface portion 22 of the inclined step plate 20 is provided at the lower end portion of the inclined edge 55Bc as the decorative fastening edge. That is, in the vertical plate portion 55B, the inclined edge 5 of the portion excluding the cutout portion 55Bd is included.
5Bc and an inclined edge 55Aa of the horizontal plate portion 55A
And are configured as a retaining edge.

The constituent members of the staircase S'are, for example,
The decorative riser plate 21 is attached and fixed along the surface of the riser plate 11 located on the upper stage, and the step plate on the riser plate 11 attached and fixed to the decorative riser plate 21 is attached. 1
The decorative footboard 20 is attached to the footboard surface 10Aa of 0A. By the same method, the decorative riser plate 21 and the decorative tread plate 20 are attached to the decorative tread plate 11 and the tread plate 10A in the next order, and the plaster board 51 and the gypsum board 51 as the wall base material are attached. The skirting board 55 is mounted on the decorative cloth 54 attached to the upper part of the sasara girder 50a.

In the structure of the stairs S ', the decorative riser plate 21 is attached along the riser plate 11 and is erected on the upper surface of the lower step plate 10A, and the upper end of the upper riser plate is set to the upper stage. It is attached so as to cover the nose surface of the footboard 10A in FIG. 1 and be flush with the footboard surface 10Aa of the footboard 10A. Also, the makeup tread 20
Is a tread plate of the tread plate 10A so that the nose surface portion 22 projects from the attached decorative riser plate 21 and the rear edge of the decorative riser plate 21 abuts on the front surface of the upper decorative riser plate 21. It is attached in close contact with the surface 10Aa, and at this time, the front surface of the decorative riser plate 21 that constitutes the lower step is formed by the protruding step edge 22a of the nose surface portion 22 of the decorative footboard 20 attached here.
It is configured to be pressed against the nose surface of A.

Next, the decorative tread plate 20 and the decorative riser plate 2 are provided on the upper part 50a of the sasara girder to which the cloth 54 is attached.
The skirting board 55 is attached along the upper surface of 1. The mounting of the skirting board 55 is performed by the cutout portion 55B in the skirting board 55.
The nose surface portion 22 of the decorative footboard 20 is housed in d, and the side edge 55Ab of the horizontal plate portion 55A is brought into contact with the side edge 55Ba of the vertical plate portion 55B of the skirting board 55 in order. , The contacting edges of the skirting boards 55, that is, the vertical plate portions 55, which are arranged in close contact with each other.
The side edge 55Be on the rear end side of B is the decorative riser 2
1 and the lower edge 55Bb at the lower end side
And the lower edge 55Ac of the horizontal plate portion 55A are attached to the step board surface 20a of the decorative step board 20 in close contact with each other. Along with the mounting of each member, a staircase S ′ that is used for daily use by mounting necessary members and makeup is configured.

(2) Method of Constructing Stairs According to Second Embodiment FIG. 5 shows a method of constructing stairs according to the second embodiment. In the method of constructing the staircase shown in this figure, in the construction of the staircase S using this as a temporary ladder, the riser plate 11 is not provided, and this portion is left open, and the work of construction, especially carpentry is performed. In the latter half of the construction, the opening between the treads 10A and 10A is changed to the decorative riser 21.
The staircase S ′ used for daily use is constructed by closing the staircase S with the decorative footboard 20 and the skirting board 55 having the same structure as in the first embodiment and attaching them to the staircase S.

Therefore, each component used in the method of constructing the stairs according to the first embodiment, that is, the components shown in FIGS.
Constituent parts that are the same as or substantially the same as the constituent parts shown in FIG. 4 are assigned the same reference numerals and explanations thereof are omitted. In addition, in the staircase construction method according to the second embodiment, the staircase S is constructed and each member is attached to the staircase S in the same manner as the staircase construction method according to the first embodiment. A staircase S used as a temporary ladder is constructed by the same method as the staircase construction method according to the first embodiment except that the riser plate 11 is omitted.
Moreover, the stairs S ′ that are used on a daily basis are configured by attaching the respective decorative members necessary for this.

(3) Method of Constructing Stairs According to Third Embodiment First, a method of constructing stairs according to the third embodiment shown in FIGS. 6 to 13 will be described. In the method of constructing the stairs according to the third embodiment, the stairs S that connect the upper floor and the lower floor are provided at least with the footboard 10A in the work together with the erection or in the work following the erection. A staircase S ′ that can be used for daily use by being configured as one and used as a temporary ladder, and by at least assembling the staircase S used as this temporary ladder in an engaged state. It is supposed to be configured as.

First, in the stairway construction method according to the third embodiment, the staircase S used as a temporary ladder is constructed in the same manner as a general so-called known wooden staircase construction method. , For example, it may be configured as a sagittal girder staircase as in the illustrated example.
For example, it may be configured as another wooden stair such as a side girder staircase, a power girder staircase, or a box staircase.

Here, the stairs S used as the temporary ladder constructed are at least the tread 1 with respect to the sasara girder 50.
OA and 0A are attached and fixed by the usual method of the sasara stairs, that is, a known construction method. Here, the footboard 10A attached to the sasara girder 50 is used as a temporary ladder, and is provided to the decorative footboard 20 later than the depth width W of the footboard surface 20a of the decorative footboard 20 attached thereto. The depth width H of the footboard 10A is reduced by the amount corresponding to the protruding dimension w of the nose surface portion 22. Also, the footboard 10 used here
A is an engagement groove 62 from the tip end side which is the nose surface portion of the step board 10A toward the rear end side where the riser board 21 is attached.
62 are provided as the engaging means 60. This tread 1
The engagement groove 62 as the engagement means 60 provided in 0A is
It is a groove with a trapezoidal cross section that expands on the lower side,
It is configured as a so-called dovetail with suction.

The step plate 10A having such a structure is placed on the horizontal step portion provided with the sacrificial substance 50, and this is attached to the sacrificial substance 50 using screws or the like. Here, the sacrificial material 50 forming the stairs is attached to the surface of the plywood 56 fixed to the studs 53 and having a relatively thick plate thickness, for example, about 12 mm, and the studs 53 are attached to the surface.
It is attached to. Further, the sasara girder 50 used in this embodiment is a main body plate portion 50 'which is located on the side portion of the stairs to be constructed and is arranged so as to extend to the upper floor and the lower floor.
And a receiving plate portion 50 ″ which is arranged side by side on the upper side of the main body plate portion 50 ′ in the longitudinal direction. It is in the shape of a substantially right-angled triangle which is communicated with the edge of the upper edge of which is a substantially horizontal receiving edge 50 ″ a, and the right-angled portion of the receiving plate 50 ″ is at the front of the stairs. It is configured as a part of the upper side of the body plate portion 50 'so as to be positioned on the upper side.

As a result, the tread plate 10 is attached to the horizontal receiving edge 50 "a of the receiving plate portion 50" of the sasara girder 50.
The footboard 10A so that the side end portion of A is supported.
In addition, the riser plate 21 can be attached to the vertical edge 50 "b on the front side of the receiving edge 50" a in a contact state later.
In this embodiment, from the receiving edge 50 "a of the receiving plate portion 50", the footboard 10A is moved so that the front end edge projects forward by an amount corresponding to the thickness of the riser plate 21 attached to the receiving edge 50 "a. Attach it to the sasara 50. Further, on the rear side of the footboard 10A attached to the sasara girder 50, a riser plate 21 is formed by utilizing the vertical edge 50 "b of the receiving plate portion 50", and an upper part of the riser plate 21 is The striking plate 21 can be attached so that the striking plate 21 is brought into contact with the front surface of the stepping plate 10A, and the engaging groove 62 on the upper end surface of the stepping plate 10A projects above the riser plate 21.

Thus, the stairs to which the footboard 10A is attached are configured stairs, in particular, in this case, the upper side of the sasara girder 50 is received by, for example, a receiving beam, and an intermediate portion thereof. It is used as a temporary ladder in which the lower part is received by the base or the receiving material, etc.

It should be noted that the Sasara girder 50 in the above is one of the attempts to construct the stairs by a relatively simple method, and each step is arranged for a general Sasara girder, that is, a side girder. A staircase may be configured by providing a receiving groove called a horizontal recess for accommodating the stepping plate 10A to be formed, and using the receiving groove of each step, by attaching the stepping plates 10A, 10A ... Of each step. Further, the sasara girders on the above-mentioned floors are, for example, sasara girders provided as a pair of timbers having a rectangular cross section that is long in the longitudinal direction, and each of the sasara girders is provided with a receiving tree, whereby the footboards 10A and 10A are provided. It is also possible to form a mounting step portion for. Further, instead of the Sasara girder staircase, the staircase S used as a temporary ladder configured above may be configured as a general staircase such as a power girder staircase, a box staircase, or a side girder staircase. .

By using the stairs S thus constructed, the erection, particularly various works after the building is raised.
Therefore, it is not necessary to prepare a temporary ladder and to attach this temporary ladder after the construction is completed.
The stairs S constructed here are used as a construction passage connecting the upper floor and the lower floor. As a result, the movement of the person and the movement of the article between the upper floor and the lower floor are made easy and safe, and the workability in various kinds of works is significantly improved.

The stairs S used in the comparatively latter half of the carpentry work for various works will be referred to as stairs S'used for daily use. As a time suitable for changing the makeup of the stairs S used as an alternative to the temporary ladder as the original stairs S'used in the living space, in consideration of the work procedure in various works, in particular, , It is usually preferable to make it the final stage of carpentry work because of the balance with the carpentry work, but it is not always particular about this, and it is more appropriate in terms of the balance with other work, and therefore The makeup change may be performed relatively early in the construction, and in some cases, after the carpentry work is completed, the makeup change may be performed together with other work or after the completion of the carpentry work. It may be done.

In the method of constructing the stairs according to the third embodiment, the decorative footboard 20 and the riser board 21 are provided for the stairs S that are constructed and used or are used above. By attaching them, the stairs S'which are used on a daily basis, that is, as a means of living, are constructed.

The decorative footboard 20 used here is shaped and dimensioned so as to be mounted substantially on the footboard surface 10Aa of the footboard 10A in the stairs S, and has a width dimension substantially the same as the footboard 10A. In addition to being prepared, this is a nose surface portion 22 having a thick plate width.
And a tread plate portion 23 which is dropped in a step shape on the lower surface side of the nose surface portion 22 to be thin and which is attached in close contact with the tread surface 10Aa of the tread 10A of the stairs S. The nose surface portion 22 and the upper surface of the step plate portion 23 following the nose surface portion 22 form a continuous smooth step plate surface 20a. Further, a groove 22b for accommodating a screw head or the like is provided on the inside of the nose surface portion 22, that is, on the side where the front edge of the footboard 10A abuts, and the footboard 20 is provided.
An engaging projection 61 used as the engaging means 60 is provided on the lower surface of the nose 22 from the nose 22 to the rear edge of the footboard 20.

Here, the engaging ridges 61 formed on the lower surface of the decorative tread plate 20 are configured as so-called sucking dovetails having a trapezoidal cross section, and this decorative tread plate 20 with respect to the tread plate 10A. This engaging ridge 61
However, it is configured to slide into the engagement groove 62.

Here, the step plate portion 23, which is thin from the nose surface portion 22 in a step-like manner, is thinned only on the lower surface side thereof.
The depth dimension is the same as the depth width H of a, and the protrusion dimension w of the nose surface portion 22 of the decorative footboard 20 is set.
The depth width W of the footboard surface 20a of the decorative footboard 20 is configured to be considerably larger than the depth width H of the footboard 10A.

Next, the riser plate 21 used here
Is configured to be fastened between the front end of the step plate 10A of the stairs S configured as described above and the rear end surface of the step plate 10A located below the step plate 10A, and is located on the upper side. The engaging groove 62 in the step board 10A is not blocked by the mounting riser board 21.
Fasten to 0A and 10A. In addition, here, the tread 1
The riser plate 21 attached to 0A and 10A has a thickness of 12m.
A relatively thick plywood is used around m, and the upper and lower sides of the riser plate 21 are fastened to the step plates 10A and 10A with screws, nails or the like to enhance the rigidity of the step plate and the like in the constructed stairs. You can do this,
For example, it is possible to prevent the stepping plate from flexing at the time of going up and down on stairs, and to prevent the occurrence of inconvenience such as floor squeal.

In the decorative footboard 20 having such a structure, after the mounting of the riser board 21, the engaging projections 61 of the decorative footboard 21 are fitted into the engaging grooves 62 provided in the footboard 10A. The decorative footboard 20 is attached to the surface of the footboard 10A by inserting it into the rear end of the stairs.

When mounting the decorative footboard 20, the fitting projections 61 are fitted into the engaging grooves 62, and at the same time, the portions are further firmly fixed by using an adhesive. You can

The decorative tread plate 20 and the riser plate 21
Together with the makeup treatment on the wall surface, or after the makeup treatment on the wall, is attached to and fixed to the stairs S, or these makeup footboards 20 are attached to the stairs S.
After mounting and fixing the riser plate 21, the cloth 54 is attached to the wall surface and the skirting board 55 is attached.

That is, in the figure, the cloth 54 is a plywood 56 as a wall base material on which the above-mentioned sasara girder 50 is laid.
It is attached to the surface of, and the lower part of the stake is covered by the skirting board 55. The skirting board 55 used here is the footboard 2 to which it is attached.
Horizontal plate portion 55A provided on the tread surface 20a at 0
And a vertical plate portion 55B provided so as to stand up along the riser plate 21. And this horizontal plate part 5
5A has a substantially rectangular shape, and the side edge 55Ab on the rear end side is a vertical side end that abuts the side edge 55Ba on the vertical front end side of the vertical plate portion 55B, and the front end side is The slanted edge 55Aa is in contact with the upper end of the vertical plate portion 55B in the makeup-fastened state. Further, the vertical plate portion 55B used corresponding to the horizontal plate portion 55A has a substantially rectangular shape, and the lower end side 55Bb thereof is a horizontal edge that abuts on the step plate surface 20a of the step plate 20, and A slanted edge 55B as a decorative fastening edge whose upper edge abuts the decorative fastening edge 55Aa of the horizontal plate portion 55A.
c and the slanted edge 55 as the decorative fastening edge
At the lower end portion of Bc, the nose surface portion 22 of the decorative footboard 20 is provided.
The cutout portion 55Bd for accommodating is provided. That is, in the vertical plate portion 55B, the slanted edge 55Bc of the portion excluding the cutout portion 55Bd and the slanted edge 55Aa of the horizontal plate portion 55A are configured as retaining edges.

Next, the plywood 56 to which the cloth 54 is attached is attached.
The decorative footboard 20 and the skirting board 55 are attached to the part so as to follow the upper surface of the riser board 21. The mounting of the skirting board 55 is such that the nose surface portion 22 of the decorative tread plate 20 is accommodated in the cutout portion 55Bd of the skirting board 55.
The side edges 55Ba of the horizontal plate portions 55A are brought into contact with the side edges 55Ba of the vertical plate portions 55B of the skirting board 55 so that the side edges 55Ab of the horizontal plate portion 55A are brought into contact with each other in succession. The contact edge, that is, the side edge 55Be on the rear end side of the vertical plate portion 55B is on the front surface of the decorative riser plate 21, and the lower end edge 55Bb on the lower end side thereof and the horizontal plate portion 55.
The lower end edge 55Ac of A is attached to the step board surface 20a of the decorative step board 20 in a state of closely contacting each other. Along with the mounting of each member, a staircase S ′ that is used for daily use by mounting necessary members and makeup is configured.

(4) Method of Constructing Stairs According to Fourth Embodiment FIGS. 14 to 16 show a method of constructing stairs according to the fourth embodiment. In the staircase construction method according to the fourth embodiment, first, the staircase S used as a temporary ladder is constructed by the same method as the staircase construction method according to the first embodiment, and with respect to the staircase S, , The decorative footboard 20
The carpet or the decorative sheet 30 is attached instead of the above.

Therefore, the same components as those in the method of constructing the stairs according to the first embodiment are designated by the same reference numerals and the description thereof will be omitted. The method of constructing the staircase according to the fourth embodiment is the same as the method of constructing the staircase according to the first embodiment, and the construction of the staircase S and the components of each member with respect to the constructed staircase S. It is mounted, except that the carpet or the decorative sheet 30 is attached.
A staircase S used as a temporary ladder is constructed by the same method as the staircase construction method according to the embodiment, and a staircase S ′ used on a daily basis is constructed by attaching necessary decorative members to the staircase.

In the method of constructing the stairs according to this embodiment, the nose tree corresponding to the nose surface portion 22 of the decorative footboard 20 is different from the nose surface of the footboard 10A in the staircase S which is constructed and used as a temporary ladder. 10B is made to be fixed by appropriate means such as nailing 12 nails, and with this nose tree 10B,
A tread surface M as the step plate portion 10 used as the stairs S ′ is constituted by the step plate 10A. At this time, the nose so that the upper surface of the nose tree 10B and the step plate surface 10Aa of the step plate 10A are flush with each other. Install the tree 10B. Therefore, in this case, the step board portion 1 configured in the stairs S
The tread M at 0 is the nose tree 10B that is fastened,
It is configured as a surface formed by the footboard 10A to which the nose tree 10B is attached.

Thus, with respect to the tread surface M of the tread plate portion 10 to which the nose tree 10B is attached and the tread surface N formed between the tread surfaces M and M of the riser plate 11, the nose tree 10B is formed. The carpet or the decorative sheet 30 including the nose surface is attached in a state of being covered in a series over the upper part and the lower part.

The carpet or the decorative sheet 30 may be attached to the tread plate portion 10 and the riser plate 11 from the upper surface of the carpet or the decorative sheet 30 by using a metal fitting or the like. It may be fixed to the riser plate 11 or the like by using a double-sided adhesive tape or the like, or by using a tack or the like. Here, the decorative sheet is a generic term for a long-sized finishing material used as a decorative flooring material such as a linoleum sheet. It should be noted that only the tread plate surface 10Aa of the tread surface 10A is provided without the nose tree 10B on the tread surface M.
The carpet or the decorative sheet 30 may be attached to the tread surface M and the rise surface N between the tread surfaces M and M.

Thus, with respect to the stairs around which the carpet or the decorative sheet 30 is attached, a skirting board 55 similar to that used in the stairway construction method according to the first embodiment is placed in the accommodation portion of the carpet or the decorative sheet 30. Appropriate makeup treatment, such as mounting in the same manner as described above, is applied to construct the stairs S ′ for daily use.

(5) Method of Constructing Stairs According to Fifth Embodiment FIGS. 17 to 19 show a method of constructing stairs according to the fifth embodiment. The construction method of the stairs according to the fourth embodiment is
The stairs S used as the temporary ladder are configured by the same configuration method as the stairs according to the first embodiment, and the plastic tiles 40, 40 ... The plastic tiles 40 are housed by attaching to the surfaces of the footboard 10A and the riser board 11 on the stairs S, and attaching the nose tree 10B to the nose surface of the footboard 10A.

Therefore, the same or substantially the same components as those in the staircase construction method according to the first embodiment are designated by the same reference numerals, and the description thereof will be omitted. Further, the mounting means of the stairs S ′ other than the mounting of the plastic tiles 40, 40 ... And the mounting of the nose tree 10B is performed by the same construction method as in the first embodiment.
A staircase S as a temporary ladder is constructed by the same method as the staircase construction method according to the embodiment, and a skirting board 55 is provided for the staircase S.
The stairs S ′ are constructed by attaching necessary structural members such as.

The plastic tile 40 used here may be any one as long as it is used as a decorative flooring material, and the tread surface 1 of the tread 10A.
0Aa tread plastic tile 40
a and a plastic tile 40b for the striking face provided along the striking face 11a of the striking plate 11, and in the lateral direction of the respective tread plate faces 10Aa and in the lateral direction of the striking plate face 11a. When they are provided so as to be successively arranged, the lateral widths of the both sides are set so that they can be easily accommodated.

First, the plastic tile 40 is arranged so that the lower end of the plastic tile 40b for the riser surface is erected on the riser plate surface 11a and the lower end of the riser plate plastic tile 40b is raised on the step board face 10Aa of the step board 10A. The plastic tile 40b is attached to the riser plate 11 such that the upper end of the same corresponds to the lower face of the step plate 10A located at the upper stage, that is, the upper end of the riser plate 11 to which it is attached. Further, with the rear end pressed against the lower front surface of the mounted plastic tile 40b, the front end edge of the mounted plastic tile 40b is aligned with the front end edge of the tread plate 10A, so that the tread surface plastic tile 40b is tread plate 10A. It is attached to the tread surface 10Aa. Here, the plastic tile 40 may be attached by using an adhesive agent or may be fixed by using a double-sided adhesive tape. In addition, it may be fastened with tacks or the like, and by using metal fittings, etc.
It may be attached by any means.

The nose tree 10B is attached to the footboard 10A to which the plastic tile 40 is attached. The nose tree 10B has its upper surface flush with the upper surface of the plastic tile 40a, and its lower surface is attached to the nose surface of the footboard 10A so as to contact the upper end of the plastic tile 40b. , Using the groove 10Ba provided in the longitudinal direction, the groove 10Ba
The nail 13 is struck and fixed to the footboard 10A so that the head is housed inside. Note that the nose tree 10B may be provided on the nose surface portion of the footboard 10A by using another appropriate method such as bonding, instead of fixing the nose tree 10B with the nail 13.

Thus, by attaching a member such as a skirting board 55 to the stairs around the stairway portion provided with the plastic tile 40, a staircase S'used for daily use is constructed.

(6) Method of Constructing Stairs According to Sixth Embodiment FIGS. 20 to 22 show a method of constructing stairs according to the sixth embodiment. The method of constructing stairs according to the sixth embodiment is
The stairs S used as the temporary ladder are configured by the same configuration method as the stairs according to the first embodiment, and the plastic tiles 40, 40 ... The plastic tiles 40 are housed by attaching them to the surfaces of the footboard 10A and the riser 11 in the stairs S, and by attaching the non-slip 10C to the nose surface portion of the footboard 10A.

Therefore, the same or substantially the same components as those in the staircase construction method according to the first embodiment are designated by the same reference numerals, and the description thereof will be omitted. Further, the construction means of the staircase S ′ other than the sticking of the plastic tiles 40, 40 ... And the mounting of the non-slip C is performed by the same construction method as the first embodiment, and the staircase according to the first embodiment is The stairs S as a temporary ladder are constructed by the same method as the construction method, and necessary components such as a skirting board 55 are attached to the stairs S to construct the stairs S ′.

The plastic tile 40 used here may be any as long as it is used as a decorative flooring material, and the tread surface 1 of the tread 10A can be used.
0Aa tread plastic tile 40
a and a plastic tile 40b for the striking face provided along the striking face 11a of the striking plate 11, and in the lateral direction of the respective tread plate faces 10Aa and in the lateral direction of the striking plate face 11a. When they are provided so as to be successively arranged, the lateral widths of the both sides are set so that they can be easily accommodated.

Next, the non-slip 1 used here
0C has a substantially L-shaped cross section and is made of, for example, a plastic or rubber-like elastic material, and is an upper piece portion 10C extending on the step plate surface 10Aa of the step plate 10A.
a and a lower piece portion 10Cb that extends downward in a hanging shape and covers the upper side of the riser plate 11, and on the back surface side of the lower piece portion 10Cb, a step shape in which the plastic tile 40 is housed. The concave step portion 10Cc is provided.

First, such a plastic tile 40 is arranged so that the lower end of the plastic tile 40b for the riser surface is erected with respect to the riser plate surface 11a on the footboard surface 10Aa of the footboard 10A. The plastic tile 40b is attached to the riser plate 11 so that the upper end of the
Attach to. Further, the front end edge of the attached plastic tile 40b has its rear end pressed against the lower front face of the upper part 1 of the non-slip 10C.
The plastic tile 40b for the tread surface is made to abut the side edge of 0Ca, and the tread surface 10Aa of the tread plate 10A is mounted.
Attach to. Here, the plastic tile 40 may be attached by using an adhesive agent or may be fixed by using a double-sided adhesive tape. Further, it may be attached by using tacks or the like, and may be attached by any means such as attaching by using metal fittings.

The non-slip 10C is attached to the footboard 10A to which the plastic tile 40 is attached. This non-slip 10C has an upper piece 1
The upper surface of 0Ca is flush with the upper surface of the plastic tile 40a, or protrudes slightly higher than the upper surface of the plastic tile 40a, and the top of the plastic tile 40b is housed in the concave step 10Cc of the lower piece 10Cb.
The non-slip 10C is attached to the nose side of A, and in this state, a groove provided in the longitudinal direction is used, and a screw 14 or the like is used so that the head fits in the groove.
Fasten to. The non-slip 10C may be fixed to the nose surface portion of the footboard 10A by using another appropriate method such as bonding, instead of fixing by the screw 14.

Thus, by attaching a member such as a skirting board 55 to the stairs around the stairway portion provided with the plastic tile 40, a staircase S'used for daily use is constructed.

The skirting board 55 used here is formed by connecting the inclined plate portions 55C provided in the side plate shape to the side of the stairs S'to be formed, and forming a rectangular plate. On the lower edge side of the strip, a mountain-shaped convex portion 55Ca having a right-angled top is provided, and the mountain-shaped convex portions 55Ca and 55C are formed.
It has a configuration in which a right-angled valley portion 55Cb is provided between a,
The side edges 55Cd of the respective side edges are arranged so as to be connected to each other. In addition, the skirting board 55 has one end portion 55 on the one side of the mountain-like convex portion 55Ca forming the valley portion continuously provided.
Cd, 55Cd, non-slip 10C, upper piece 10C
a and a cutout portion 55Ce into which the lower piece portion 10Cb is inserted are provided, and the side end portion of the non-slip 10C is accommodated in L.
A character-shaped split portion 55Cf is provided in the valley portion 55Cb.

(7) Construction Method of Stairs According to Seventh Embodiment First, a construction method of stairs according to the seventh embodiment shown in FIGS. 23 to 30 will be described. In the method of constructing the stairs according to the seventh embodiment, the stairs S that connect the upper floor and the lower floor with the erection or during the work following the erection,
It is configured to include at least the step board 10A, and is used as a temporary ladder, and the stairs S used as the temporary ladder is replaced with at least the step board 70 used as the main ladder, so that it can be used for daily use. The stairs S'that can be used for

First, in the stairway construction method according to the seventh embodiment, the staircase S used as a temporary ladder is constructed in the same manner as a general so-called known wooden staircase construction method. , For example, it may be configured as a sagittal girder staircase as in the illustrated example.
For example, it may be configured as another wooden stair such as a side girder staircase, a power girder staircase, or a box staircase.

Here, the stairs S used as the temporary ladder constructed is at least the tread 1 for the sasara girder 50.
OA is attached and fixed by the usual method of the Sasara stairs, that is, a known construction method. Here, the footboard 10A attached to the sasara girder 50 is used as a temporary ladder, and the protrusion of the nose surface portion of the footboard 70 is later than the depth width of the footboard surface of the footboard 70 attached thereto. Corresponding to the dimensions, the footboard 1
The depth width H at 0 A is narrowed.

In the figure, 51 is the upper part 5 of the sasara girder.
Gypsum board as a wall base material that is continuously installed on
Indicates a backup material, and 53 indicates a stud. Further, the sasara girder 50 used here is a main body plate portion 50 'disposed on the side portion of the constructed staircase so as to extend over the upper floor and the lower floor, and the main body plate portion 50'. And a receiving plate portion 50 ″ that is arranged so as to be lined up on the lower side of the receiving plate portion 50 ″ in the longitudinal direction thereof.
It has a substantially right-angled triangular shape, and the edge corresponding to the upper side thereof is a substantially horizontal receiving edge 50 "a, and the right-angled portion of the receiving plate portion 50" is on the upper front side in the stairs to be constructed. It is configured so as to be integrated with the body plate portion 50 'so as to be positioned. As a result, the horizontal receiving edge 5 of the receiving plate portion 50 ″ of the sasara girder 50 is obtained.
The footboard 10A is mounted by supporting the side end portion of the footboard 10A with respect to 0 "a, and the riser board 21 is attached to the vertical edge 50" b on the front side of the receiving edge 50 "a. Is configured to be attached in a contact state.
In addition, the stairs to be constructed, in particular, in this case, the upper side of the sasara girder 50 is received by, for example, a receiving beam, and an intermediate portion thereof is accommodated in the studs in the recessed portion, and The lower side is configured to be supported by a base or a support material.

Incidentally, the Sasara girder 50 in the above is one of the trials for constructing the stairs by a relatively simple method, and each step is arranged for a general Sasara girder, that is, a side girder. A staircase may be configured by providing a receiving groove called a horizontal recess for accommodating the stepping plate 10A to be formed, and using the receiving groove of each step, by attaching the stepping plates 10A, 10A ... Of each step. Further, the sasara girders on the above-mentioned floors are, for example, sasara girders provided as a pair of timbers having a rectangular cross section that is long in the longitudinal direction, and each of the sasara girders is provided with a receiving tree, whereby the footboards 10A and 10A are provided. It is also possible to form a mounting step portion for. Furthermore,
Instead of the Sasara girder staircase, the staircase S used as a temporary ladder configured above may be configured as a general staircase such as a power girder staircase, a box staircase, or a side girder staircase.

By using the stairs S thus constructed, the erection, particularly various works after the building is raised.
Therefore, it is not necessary to prepare a temporary ladder and to attach this temporary ladder after the construction is completed.
The stairs S constructed here are used as a construction passage connecting the upper floor and the lower floor. As a result, the movement of the person and the movement of the article between the upper floor and the lower floor are made easy and safe, and the workability in various kinds of works is significantly improved.

The stairs S used in the comparatively latter half of the carpentry work for various works will be referred to as stairs S'used for daily use. As a time suitable for changing the makeup of the stairs S used as an alternative to the temporary ladder as the original stairs S'used in the living space, in consideration of the work procedure in various works, in particular, , It is usually preferable to make it the final stage of carpentry work because of the balance with the carpentry work, but it is not always particular about this, and it is more appropriate in terms of the balance with other work, and therefore The makeup change may be performed relatively early in the construction, and in some cases, after the carpentry work is completed, the makeup change may be performed together with other work or after the completion of the carpentry work. It may be done.

In the method of constructing the stairs according to the seventh embodiment, the step board 70 is rearranged and attached to the stairs S constructed and used or used, and the riser board 21. The stairs S ′ that are used on a daily basis, that is, as a means of living, are configured by the mounting of the.

The step board 70 functioning as a main ladder, which is attached in place of the step board 10A, serves as the nose surface of the step board, that is, a width corresponding to the width protruding forward from the riser board 21 provided with the step board 70.
It is wider than A.

The footboard 70 having such a structure is mounted on the sasara girder 50 in place of the footboard 10A assembled as described above, and the footboard 7 is assembled.
0 rear end surface and the footboard 70 above the footboard 70
The riser plate 21 is assembled between the lower end surface of the staircase and the lower end surface of the staircase and the staircase S ′ that can be used on a daily basis is formed.

The step board 70 and the riser board 21 are attached to the stairs S, fixed, or together with the makeup treatment on the wall or after the makeup treatment on the wall.
After the footboard 70 and the riser board 21 are mounted and fixed to the stairs S, the cloth 54 is stretched and the skirting board 55 is mounted on the wall surface.

That is, in the figure, the cloth 54 is the upper part 50a of the sasara girder of the sasara girder 50 and the gypsum board 51 as the wall underlaying material which is abutted against the upper part 50a of the sasara girder. It is attached to the surface, and the lower part of the stake is covered by the skirting board 55. The skirting board 55 used here is composed of a horizontal plate portion 55A provided on the step board surface of the attached step board 70 and a vertical plate portion 55B provided so as to stand up along the riser plate 21. . The horizontal plate portion 55A has a substantially rectangular shape, and the side edge 55Ab on the rear end side thereof has a vertical plate portion 5A.
5B is a vertical side end that abuts a side edge 55Ba on the vertical front end side of 5B, and the front end side is configured as an inclined edge 55Aa that contacts the upper end of the vertical plate portion 55B in the state of makeup fastening. Further, the vertical plate portion 55B used corresponding to the horizontal plate portion 55A has a substantially rectangular shape, and the lower end side 55Bb thereof is a horizontal edge that abuts on the step plate surface of the step plate 70 and has an upper end. The edge is an inclined edge 55Bc as a decorative fastening edge that abuts the decorative fastening edge 55Aa of the horizontal plate portion 55A, and the footboard 7 is provided at the lower end portion of the inclined edge 55Bc as the decorative fastening edge.
The cutout portion 55Bd for accommodating the nose surface portion at 0 is provided. That is, in the vertical plate portion 55B, the slanted edge 55Bc of the portion excluding the cutout portion 55Bd and the slanted edge 55Aa of the horizontal plate portion 55A are configured as retaining edges.

Next, the footboard 70 and the skirting board 55 are attached to the upper part 50a of the girder girder to which the cloth 54 is attached so as to extend along the upper surface of the riser plate 21. This skirting board 55 is mounted in the notch 55Bd of the skirting board 55 by
The side edge 55Ab of the horizontal plate portion 55A is brought into contact with the side edge 55Ba of the vertical plate portion 55B of the skirting board 55 so that the nose surface portion of the step board 70 is accommodated, and the side edges 55Ab of the horizontal plate portion 55A are brought into close contact with each other. Further, the respective contact edges of the skirting board 55, that is, the side edges 55Be on the rear end side of the vertical plate portion 55B are provided on the front surface of the riser plate 21, and
The lower end edge 55Bb on the lower end side and the lower end edge 55Ac of the horizontal plate portion 55A are attached in close contact with the step board surface of the step board 70, respectively. Along with the mounting of each member, a staircase S ′ that is used for daily use by mounting necessary members and makeup is configured.

[0102]

The present invention is characterized by the above-mentioned constitution, in particular, the staircase S provided with a step board is first constructed and used as a temporary ladder, and the staircase S used as this temporary ladder is By providing the decorative footboard 20 on at least the foot surface 10a of the footboard 10A in S, the staircase S ′ is provided for daily use, or the staircase S is used.
In at least the footboard 10A of the
Alternatively, by providing the carpet or the decorative sheet 30 by covering the tread surface M and the riser surface N of the tread plate portion 10 which is not provided, the staircase S ′ is provided for daily use, and further, At least the footboard 10 on the stairs S
A, or a staircase S ′ that is provided for daily use by covering at least the surface of the footboard 10Aa of the footboard section 10 configured by including the nose tree 10B on the footboard 10A and providing the plastic tile 40. , The stairs S
Stairs S ′ having a step board 70 functioning as a main ladder instead of the step board 10A constituting the
Therefore, it is not necessary to install a temporary ladder that is used for construction work, and the time and labor required to install and remove this temporary ladder are eliminated, as well as the temporary ladder equipment. It has the feature of reducing the construction cost.

In addition, the stairs S that can be used as a temporary ladder should be constructed in advance, and the stairs S used as the temporary ladder should be made of makeup or replaced with the step board 70 that functions as the main ladder. Since it is configured as a staircase S'which is used for daily use, the makeup work on the staircase S and the construction around the staircase can be performed at the same time. It has the feature that it is possible to eliminate as much as possible the difference in color between the staircase skirting board and the sasara girder around the stairs, or the misalignment in the storage of the sasara girder and skirting board.

Further, since the staircase S having a step board which is to be used for daily use is constructed and this staircase S is used as a temporary ladder, this is used as an alternative to the temporary ladder. In this case, there is no difficulty in moving up and down the floor,
It has the features that it can safely climb up and down, and that it is easy and safe to bring in work materials or carry in and out various equipment.

Furthermore, the stairs S used as a temporary ladder
On the other hand, after being used as this temporary ladder, makeup is applied so that it becomes a staircase S ′ that is used for daily use, or
Since the step board is replaced, it is not necessary to cure the stairs S used as the temporary ladder, and the stairs S used during the use as the temporary ladder are not damaged or damaged. And the like have the feature that they can be easily repaired, or they can be ignored to apply makeup on the stairs S, or to provide the step board 70 as the main ladder.

Further, the stairs S used as a temporary ladder is put on for makeup in the latter half of carpentry work, or is replaced with the step board 70 used as a main ladder for daily use. Since it is configured as the staircase S ′, the staircase S ′ configured by applying makeup has a feature that it is possible to minimize the possibility of damage, damage, stains, or the like during carpentry work.

Further, since the stairs S used as a temporary ladder are separately provided with a decorative material to form the stairs S'for daily use, the stairs S'for daily use are provided. Even when the stairs S ′ to be broken are damaged, scratched, or dirty, only the decorative material part can be replaced and repaired separately from the stairs S part.

Furthermore, the staircase S including at least a step board is used as a temporary ladder, and the staircase S used as the temporary ladder is at least on the side of the step board surface 10Aa of the step board 10A of the staircase S. In the method of constructing the stairs, which is provided with 20,
Since the tread plate 10A used as the temporary ladder and the decorative tread plate 20 attached to the tread plate are provided with engaging means 60 for engaging with each other on the mounting surface side, It has a feature that a staircase having a step plate functioning as a main ladder can be configured by simply assembling and engaging the decorative step plate 20 with the step plate 10A used as a ladder.

Then, the engaging means 60 provided on the step board 10A used as a temporary ladder and the decorative step board 20 attached thereto is provided from the front end side to the rear end side of each of the step boards 10A, 20. It is used as a temporary ladder only by pushing the decorative tread plate 20 from the front of the tread plate 10A because of the structure of the engaging ridge 61 and the engaging groove 62 in which the engaging ridge 61 is housed. The decorative step board 20 functioning as a main ladder can be reliably attached to the step board 10A of the stairs.

[Brief description of drawings]

FIG. 1 is a perspective view of a main part of a staircase S used as a temporary ladder in a method of constructing a staircase according to a first embodiment.

FIG. 2 is a longitudinal sectional view of the main part

FIG. 3 is a perspective view of a main part of the staircase S and each member attached thereto.

FIG. 4 is a cross-sectional view of a main part of a staircase S'used for daily use.

FIG. 5 is a cross-sectional view of a main part of a staircase S ′ that is provided for daily use and configured in the stairway construction method according to the second embodiment.

FIG. 6 is a perspective view of a main portion of a staircase S used as a temporary ladder in the staircase construction method according to the third example.

FIG. 7 is a vertical cross-sectional view of the main part in the depth direction of the stairs.

FIG. 8 is a vertical cross-sectional view of the main part in the same width direction.

FIG. 9 is a perspective view of a main part showing a mounting state of the riser plate.

FIG. 10 is a vertical cross-sectional view of the main part in the depth direction of the stairs.

FIG. 11 is a vertical cross-sectional view of the main part in the width direction of the stairs.

FIG. 12 is a perspective view of a main part showing a mounted state of the decorative footboard.

FIG. 13 is a vertical cross-sectional view of the main part of the completed stairway in the vertical direction.

FIG. 14 is a perspective view of a main part of a staircase S used as a temporary ladder in the staircase construction method according to the fourth example.

FIG. 15 is a perspective view of a main part of the staircase S and each member attached to the staircase S.

FIG. 16 is a cross-sectional view of a main part of the staircase S ′ provided for daily use.

FIG. 17 is a perspective view of a main portion of a staircase S used as a temporary ladder in the staircase construction method according to the fifth example.

FIG. 18 is a perspective view of a main part of the staircase S and each member attached to the staircase S.

FIG. 19 is a cross-sectional view of the main part of the stairs S ′ used for daily use.

FIG. 20 is a perspective view of a main portion of a staircase S used as a temporary ladder in the staircase construction method according to the sixth embodiment.

FIG. 21 is a perspective view of main parts of the staircase S and each member attached to the staircase S.

FIG. 22 is a cross-sectional view of the main part of the stairs S ′ used for daily use.

FIG. 23 is a perspective view of a main portion of a staircase S used as a temporary ladder in the staircase construction method according to the seventh example.

FIG. 24 is a longitudinal cross-sectional view of the main part of the stairs in the depth direction.

FIG. 25 is a vertical cross-sectional view of the main part in the same width direction.

FIG. 26 is a perspective view of a main part with the riser plate 70 and the riser plate 21 attached.

FIG. 27 is a longitudinal cross-sectional view of the main part of the stairs in the depth direction.

FIG. 28 is a longitudinal cross-sectional view of the main part of the stairs in the width direction.

FIG. 29 is a perspective view of an essential part showing the configuration around the stairs.

FIG. 30 is a vertical sectional view in the same depth direction.

[Explanation of symbols]

 10 step board part 10A step board 10Aa step board surface 10B nose tree 10C non-slip 11 riser board 20 makeup step board 21 makeup riser board 22 nose surface section 30 carpet or makeup sheet 40 plastic tile 50 sasara girder 60 engagement means 61 engagement convex section 62 engagement Gomezo 70 Footboard

Claims (6)

[Claims] 1. A stairway including at least a step board is used as a temporary ladder, and a stairway used as the temporary ladder is provided with a decorative step board at least on the side of the step board surface of the step board. A method for constructing stairs, which is characterized in that 2. A stairway including at least a step board is used as a temporary ladder, and a stairway used as the temporary ladder is provided with a decorative step board at least on the side of the step board surface of the step board. In the method of constructing a stairway, the staircase is provided with engaging means for engaging with each other on a mounting surface side where the step board used as the temporary ladder and the decorative step board attached thereto are in contact with each other. Method. 3. An engaging means provided on a footboard used as a temporary ladder and a decorative footboard attached to the footboard,
The stairway structure according to claim 2, characterized in that there are engaging ridges provided from the front end side to the rear end side of each of the treads, and an engaging groove in which the engaging ridges are housed. Method. 4. A stairway including at least a step board is used as a temporary ladder, and the step surface and riser surface of the step board in the stairway used as the temporary ladder is covered or the step board is provided with a nose tree. A stairs construction method, characterized in that a tread surface and a riser surface of a tread plate portion configured as described above are covered with a carpet or a decorative sheet. 5. A stairway including at least a step board is used as a temporary ladder, and at least a step board surface of the step board in the stairway used as the temporary ladder is covered, or the step board is provided with a nose tree. A method of constructing stairs, characterized in that at least the footboard surface of the footboard section is covered with a plastic tile. 6. A stairway including at least a step board is used as a temporary ladder, the step board used as the temporary ladder is removed, and a step board used as a main ladder is used instead of the step board used as the temporary ladder. A method for constructing stairs, characterized by being equipped.