JP2000291222A - Pseudo exposed concrete finishing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pseudo exposed concrete finishing method with which the surface of a wall of a steel structural building can be finished like an exposed concrete face and cracks brought on the surface with the passage of time can be prevented. SOLUTION: An external wall face 11 is provided with a finishing plate 15 assuming a concrete surface and a rear reinforced plate 16 stuck to the rear side of the finishing plate 15. Holes are formed at specified positions of the finishing plate 15 and the rear reinforcing plate 16 is stuck so as to close the holes. The rear reinforcing plate 16 is put on a backing member 14 and after the plate 16 exposed from the hole is fixed to the backing member 14 by screws 17, decoration mortal 19 is filled in the holes.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a simulated concrete exposed finishing method, and more particularly to a simulated concrete exposed finishing method suitable for application to a steel structure.

[0002]

2. Description of the Related Art In a reinforced concrete building, there are cases where a wall is finished with bare concrete. In this case, immediately after removing the formwork, a frustoconical hole formed by a plastic cone for formwork assembly remains on the concrete surface. Fill this hole with resin mortar, etc. to make a decorative finish. But its traces remain.

[0003] On the other hand, even in a steel-framed building, the surface of the wall is finished to bare concrete. In this case, as shown in FIG.
1, a supporting member 52 is attached, and a sheathing board 53 is attached to the supporting member 52. Then, a mortar 54 is applied to the surface of the sheathing board 53,
A depression 5 of approximately the same diameter as the trace of the plastic cone described above.
5 is provided.

[0004] On the surface of the mortar 54, partition grooves 56 are provided in a grid pattern as shown in FIG.
Are provided along the line. This makes it possible to make the surface of the wall look as if it were bare concrete.

[0005]

However, in the conventional pseudo-concrete finishing using mortar 54, there is a problem that cracks are generated on the surface of the mortar 54 with aging and the appearance is deteriorated.

An object of the present invention is to solve such a problem, and it is possible to finish the surface of a wall of a steel-framed building like bare concrete, and furthermore, the surface of the steel structure with the passage of time. An object of the present invention is to provide a pseudo-concrete exposed finishing method capable of preventing occurrence of cracks.

[0007]

SUMMARY OF THE INVENTION The present invention is a simulated concrete exposed finishing method, and is configured as follows to solve the above-mentioned technical problems. That is, the present invention is a pseudo-concrete exposed finishing method in which an outer wall material is fixed to a foundation member of a wall portion of a steel-framed building, and the outer wall material is finished in a bare concrete state, wherein the surface of the outer wall material is concrete. A finishing plate having a shape and a back reinforcing plate bonded to the back side of the finishing plate, a hole is provided at a predetermined position of the finishing plate, and the back reinforcing plate is bonded so as to close the hole, After fixing the back reinforcing plate to the base member, decorative mortar is filled in the holes. As the finishing plate, an appropriate plate material having a concrete surface, such as slate, can be used.

[0008] In this pseudo-concrete bare-finish construction method, cracks do not occur with the passage of time because an outer wall material having a concrete shape is used on the surface of the wall. In addition, after filling the decorative mortar into the hole of the finished plate, a shallow depression or pattern is formed, which looks like a trace of a plastic cone in the conventional concrete bare finish, so it has the same appearance as the bare concrete finish. Can be presented.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a pseudo-concrete exposed finishing method according to the present invention.

FIG. 1 is a view for explaining a pseudo concrete bare finishing method according to the present invention. In this pseudo-concrete bare finishing method, an outer wall material 11 is attached to the surface of a wall of a steel-framed building, and a depression or a pattern like a trace of a plastic cone is formed on the surface of the outer wall material 11, so that the concrete is exposed to concrete. It looks like a finish. In the present embodiment, a case where the depression 12 is provided will be described.

As shown in FIG. 1, a plurality of support members 14 are fixed at appropriate intervals to a steel frame 13 forming a wall of a steel structure. The outer wall material 11 having an appropriate size is attached to the support member 14 without any gap. The outer wall material 11 has a rectangular finished plate 15 and a vertically long back reinforcing plate 16 bonded to the back side of the finished plate 15. Then, by fixing the back reinforcing plate 16 to the support member 14 with screws 17,
The outer wall material 11 is attached.

The depression 12 of the outer wall material 11 is formed along the outer periphery and the center axis of each outer wall material 11 as shown in FIG.
Then, the back reinforcing plate 16 is arranged so as to correspond to the plurality of depressions 12 arranged in a line in a vertical direction. As the finish plate 15 of the outer wall material 11, for example, a slate or the like having a concrete-like surface is used.

Next, the construction procedure of this pseudo concrete bare finishing method will be described. First, as shown in FIG.
At the position where the recess 12 of the finishing plate 15 is to be formed, a hole having substantially the same diameter as the outer diameter of the plastic cone, in the present embodiment, a round hole 18 is provided. In addition, this hole is not limited to a round hole and can be formed in various shapes.

Next, the outer wall material 11 is formed by bonding the back reinforcing plate 16 so as to close the round holes 18 arranged in a line. Next, the back reinforcing plate 16 is fixed to the support member 14. In the present embodiment, the back reinforcing plate 1 exposed from the round hole 18
6 is fixed to a support member 14 of a steel frame 13 (FIG. 1) with a screw 17.

Next, as shown in FIG. 4, a decorative mortar 19 is filled to an appropriate depth so that the hollow 12 is formed in the round hole 18. Next, the finishing plate 15 and the decorative mortar 19
A water repellent 20 is applied on the top. As a result, the depression 12 is formed on the surface of the wall portion, and the appearance is as if the concrete was bare.

When the decorative mortar 19 is filled over the entire depth of the round hole 18, a circular pattern is formed instead of the depression 12, thereby giving an appearance like a bare concrete finish. Can be.

As described above, in the pseudo-concrete exposed finishing method according to the present invention, the finished plate 1 of the outer wall material 11 having a concrete shape is formed on the surface of the wall of the steel frame building.
Since No. 5 is used, it is possible to prevent the generation of cracks with the passage of time as in the case of the conventional mortar finish, and it is possible to increase the reliability.

The round hole 1 in the finished plate 15 of the outer wall material 11
After filling the decorative mortar 8 into the mortar 8, a shallow depression 12 or a circular pattern is formed, which looks like a trace of a plastic cone in a conventional bare concrete finish, so that it has the same appearance as the bare concrete finish. Can be.

[0019]

As described above, according to the pseudo-exposed concrete finishing method of the present invention, since a concrete-like outer wall material is used on the surface of the wall of a steel-framed building, cracks occur over time. This can be prevented from occurring and reliability can be improved. In addition, since a depression or a pattern like a trace of a plastic cone in the conventional bare concrete finishing is formed on the surface of the finished plate of the outer wall material, the appearance similar to that of the bare concrete finishing can be exhibited.

[Brief description of the drawings]

FIG. 1 is a view showing a cross section of a wall portion of a steel frame building to which a pseudo-concrete exposed finishing method according to the present invention is applied.

FIG. 2 is a view taken in the direction of arrow A in FIG. 1;

FIG. 3 is a diagram illustrating a construction procedure of a pseudo-concrete exposed finishing method according to the present invention.

FIG. 4 is a view illustrating a construction procedure of a pseudo concrete bare finishing method according to the present invention.

FIG. 5 is a view for explaining a pseudo concrete exposed finishing method according to a conventional example.

FIG. 6 is a view for explaining a pseudo concrete exposed finishing method according to a conventional example.

[Explanation of symbols]

 Reference Signs List 11 outer wall material 14 base member 15 finishing plate 16 back reinforcing plate 18 round hole (hole) 19 decorative mortar

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Toshiaki Watanabe F-term (reference) 2E110 AA48 AA58 AB04 AB22 BA02 BA13 BA15 BB04 BB24 BC03 CA09 CC02 CC04 DA06 DA12 DC12 GA12W GA33W GA33X GA33Z GB22W GB23W

Claims (1)

[Claims] 1. A pseudo-concrete exposed finishing method in which an outer wall material is fixed to a foundation member of a wall portion of a steel structure and the outer wall material is finished in a bare concrete state, wherein the outer wall material has a concrete-like surface. And a back reinforcing plate adhered to the back side of the finished plate, a hole is provided at a predetermined position of the finished plate, and the back reinforcing plate is bonded so as to close the hole, A pseudo-concrete exposed finishing method, wherein a decorative mortar is filled in the hole after the back reinforcing plate is fixed to the base member.