JPH08209896A - Exterior wall repairing structure - Google Patents

Abstract

PURPOSE: To improve strength of the whole building, and shorten a construction period of repairing work by installing reinforcing materials to reinforce existing building frames or an exterior wall on an existing exterior wall, and installing a new exterior wall material composed of a dry wall material on its reinforcing materials. CONSTITUTION: Reinforcing materials 3 are installed on building frames 1 from outside of an existing exterior wall 2 by fixing tools such as screws and anchor bolts, and the building frames 1 and the exterior wall 2 are reinforced. The reinforcing materials 3 are installed so as to cross each other, or are bracingly connected to the mutual different building frames 1, and strength can be improved. Next, a dry new exterior wall 4 composed of metallic siding or the like is installed on the reinforcing materials 3 in order from below. The exterior wall is repaired without removing the existing exterior wall 2. Therefore, work is simplified, and cost can be reduced.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a structure for repairing an existing outer wall of a building or a structure with a new outer wall,
More specifically, the present invention relates to an outer wall repair structure in which a new outer wall is formed after improving the strength of a building by disposing a reinforcing material for improving the strength of an old existing skeleton and an existing outer wall.

[0002]

2. Description of the Related Art Conventionally, as this kind of outer wall repair structure,
By removing all the old outer walls and forming a new outer wall on the wall base material such as the existing frame or furring, directly on the existing outer wall material, or through the new furring or tarpaulin The structure to attach a new outer wall was common.

[0003]

However, in such a refurbishment structure, it is possible to replace an old existing outer wall with a new outer wall, or to form a new outer wall on a damaged existing outer wall.
It is only the technical idea of hiding the existing outer wall, and the technical idea of reinforcing the existing frame of the old building or the existing outer wall to improve the strength has not been taken into consideration at all. For this reason, the structure of the building after the repair is burdened,
It was weak in strength, particularly inferior in earthquake resistance, and sometimes new outer walls fell off due to the occurrence of earthquakes, damage to the skeleton, collapse of buildings, and the like.

[0004]

SUMMARY OF THE INVENTION In order to eliminate such drawbacks, the present invention provides a method of repairing an existing outer wall with a new outer wall.
Proposal of an outer wall refurbishment structure in which a reinforcing material that reinforces the strength of an existing frame or existing outer wall is arranged on the existing outer wall to improve the strength of the entire building and a new outer wall is formed so as to cover the reinforcing material. Is.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the outer wall repair structure according to the present invention will be described in detail below with reference to the drawings. FIG. 1 is an explanatory view showing an example of the above-mentioned repair structure, 1 is a skeleton, and 2 is an existing outer wall.

As shown in the figure, the body 1 is, for example, a main pillar,
Made of wooden foundation such as studs, or C type steel,
It is composed of an H-shaped steel material or other steel frame base (not shown).

As shown in the figure, the existing outer wall 2 is composed of a mortar wall which is constructed by arranging wood slats, a waterproof sheet, a lath sheet and a mortar wall material in this order on the outer surface of the skeleton 1.
Or, provide a furring on the earthed wall or the body 1,
Tarpaulin, metal siding, ceramic siding,
It is composed of an ALC panel, a tile, a wall formed with a dry wall material (not shown) such as PVC extrusion siding, and the like.

Reference numeral 3 is a reinforcing material, and as shown in FIG. 2, nails are provided on the existing outer wall 2 through the existing outer wall 2 to the frame 1.
It is attached by a fixing tool α such as a screw screw, a tex, an anchor, and an anchor bolt to improve the strength of the old frame 1 and the existing outer wall 2. It should be noted that one reinforcing member 3 is fixed to at least two or more different skeletons 1 and the skeletons 1 are connected to improve strength.

As shown in FIG. 3 (a), the reinforcing member 3 is made of, for example, a narrow and long thin plate-shaped steel material, wood, a synthetic resin material, or a composite material thereof. As shown in b), it is preferable to continuously form the entire circumference of the building at an appropriate pitch from the base portion to the eaves portion, but it is also possible to dispose it partially although not shown.

Reference numeral 4 denotes a new outer wall, which is made of metal siding as shown in the figure, or ceramic siding, PVC extrusion siding, ALC panel, tile, and the like. The new outer wall 4 is sequentially attached to the frame 1 directly from the reinforcing material 3 and the existing outer wall 2 via the fixing tool α, and has many exterior surfaces of the building, further improving design, heat insulation, soundproofing and fireproofing. It is what makes me.

Next, a method of constructing the outer wall repair structure according to the present invention will be described. First, as shown in FIG. 2, the reinforcing material 3 as shown in FIG. 3A is arranged and fixed on the existing outer wall 2 made of a mortar wall at an appropriate pitch in succession from the base to the eaves. Then, as shown in FIG. 3B, the existing frame 1 and the existing outer wall 2 are reinforced to improve the strength.

Then, as shown in FIG. 1, a new outer wall 4 made of metal siding is sequentially attached from above the reinforcing material 3 to the skeleton 1 by using a fixing tool α such as a nail, and the construction is completed.

What has been described above is one embodiment of the outer wall repairing structure according to the present invention, and it is also possible to use a repairing structure as shown in FIGS. 4 to 19 or to use a member for repairing.

That is, FIG. 4 shows the reinforcing material 3 in a short and narrow shape, which is arranged and fixed on the entire surface or a part of the existing outer wall 2 at an appropriate pitch or a random pitch. is there.

FIG. 5 shows a structure in which a long reinforcing material 3 as shown in FIG. 3 (a) is arranged and fixed on the existing outer wall 2 along an oblique direction. FIG. 6 shows the reinforcing material 3. The structure is made to cross each other, and the different frames 1 are connected to each other in a bracing manner to improve the strength.

FIG. 7 shows a structure in which the reinforcing material 3 is preliminarily formed in the shape of a frame and is arranged and fixed on the existing outer wall 2. The shape of the frame is a square shape as shown in the figure. Also, triangular, circular, polygonal, radial, etc. (not shown)
It can be formed arbitrarily.

FIG. 8 shows a reinforcing material in the form of a rectangular board, and particularly a structure for reinforcing the entire surface of the existing outer wall 2. FIG. 9 (a) shows the reinforcing material 3 formed in a substantially U shape as shown in FIG. 9 (b), and further, the tip 5 portion is formed in a needle shape, without using a separate fixing tool α. This is an example of a structure in which the reinforcing member 3 is used by driving the tip 5 portion as it is from the existing outer wall 2 to the body 1. Further, FIG. 10 shows a structure in which the reinforcing material 3 is a mesh lath material.

FIG. 11A shows the reinforcing member 3 as shown in FIG.
A turnbuckle as shown in (b) is used, and after the reinforcing material 3 is disposed on the existing outer wall 2, the bolt portion 3a is fastened and firmly tightened to improve the strength of the body 1 and the existing outer wall 2. It was made.

In FIG. 12, the new outer wall 4 is a vertical dry wall material, and in particular, the new outer wall 4 is fixed to the reinforcing member 3 by using a fixing tool α. .
FIG. 13 is a repair structure showing a case where the existing outer wall 2 is a dry wall material, and FIG. 14 is an outer wall repair in which a waterproof or humidity controlling sheet 6 is interposed between the reinforcing material 3 and the new outer wall 4. It is an example of a structure.

FIG. 15 is an explanatory view showing an example of construction near the base of the outer wall repair structure according to the present invention.
It comprises a drainer 9 and a starter 10. That is, as the construction near the base part, the drainer 9 is fixed to the lower end of the existing outer wall 2 via the fixing tool α, and the starter 10 is fixed on the draining machine 9 using the fixing tool α to start the starter. At 10, a new outer wall 4 made of metal siding is started to be stretched.

Of course, in addition to the base part, the eaves part, the vicinity of the opening such as the window, the projecting part, and the entering corner part are accommodated by using corresponding accessories, caulks, packings and the like.

16 to 19 show an example of a dry type wall material used for the new outer wall 4, and FIG. 16 (a) to FIG.
(E) and 17 (a) are explanatory views showing a cross-sectional shape of a horizontal metal siding, in which various thin metal plates such as a color steel plate and an aluminum steel plate are used as the surface material 11.
Synthetic resin foam such as polyurethane foam, isocyanurate foam, and phenol foam as the core material 12,
Alternatively, various heat insulating materials such as gypsum board and rock wool are used, and various kinds of thin metal plates or sheet materials such as aluminum vapor-deposited paper and waterproof paper are used as the back surface material 13.

FIGS. 17 (b) to 17 (d) are examples of ceramic siding and extruded porcelain plate, and FIGS. 18 (a) to 18 (c) are explanatory views showing the cross-sectional shape of the vertically-stretched metal siding, and FIG.
(A) and (b) are examples of vinyl chloride or aluminum extrusion siding. Of course, it is also possible to provide a repair structure in which these members are combined.

[0024]

As described above, according to the outer wall repairing structure of the present invention, a reinforcing material that solves the conventional drawbacks and reinforces the strength of the existing frame or existing outer wall is provided on the existing outer wall. Therefore, the strength of the entire building is improved and the structure is strong against earthquakes. Since it is not necessary to dismantle the existing outer wall, the number of construction steps can be omitted, the construction period can be greatly shortened, and there is no hindrance to living during construction. Since the new outer wall is formed directly on the existing outer wall, construction is easy and cost can be saved. It has a double wall structure consisting of an existing outer wall and a new outer wall, and has a structure with excellent heat insulation, soundproofing, and fireproofing. Since the new outer wall is fixed directly to the existing frame, it will not fall off easily. There are effects and features such as.

[Brief description of drawings]

FIG. 1 is an explanatory view showing a typical example of an outer wall repairing structure according to the present invention.

FIG. 2 is an explanatory diagram showing a representative example of an outer wall repairing structure according to the present invention.

FIG. 3 is an explanatory diagram showing an example of a reinforcing material.

FIG. 4 is an explanatory view showing another example of the outer wall repairing structure according to the present invention.

FIG. 5 is an explanatory view showing another example of the outer wall repairing structure according to the present invention.

FIG. 6 is an explanatory diagram showing another example of the outer wall repair structure according to the present invention.

FIG. 7 is an explanatory view showing another example of the outer wall repair structure according to the present invention.

FIG. 8 is an explanatory diagram showing another example of the outer wall repair structure according to the present invention.

FIG. 9 is an explanatory view showing another example of the outer wall repairing structure according to the present invention.

FIG. 10 is an explanatory diagram showing another example of the outer wall repair structure according to the present invention.

FIG. 11 is an explanatory diagram showing another example of the outer wall repair structure according to the present invention.

FIG. 12 is an explanatory view showing another example of the outer wall repair structure according to the present invention.

FIG. 13 is an explanatory view showing another example of the outer wall repairing structure according to the present invention.

FIG. 14 is an explanatory view showing another example of the outer wall repair structure according to the present invention.

FIG. 15 is an explanatory diagram showing another example of the outer wall repair structure according to the present invention.

FIG. 16 is an explanatory diagram showing an example of a new outer wall used in the above structure.

FIG. 17 is an explanatory diagram showing an example of a new outer wall used in the above structure.

FIG. 18 is an explanatory diagram showing an example of a new outer wall used in the above structure.

FIG. 19 is an explanatory diagram showing an example of a new outer wall used in the above structure.

[Explanation of symbols]

 α Fixture 1 Body 2 Existing outer wall 3 Reinforcement 3a Bolt part 4 New outer wall 5 Tip 6 Sheet 7 Base 8 Foundation 9 Drainer 10 Starter 11 Surface material 12 Core material 13 Backside material

Claims (1)

[Claims] 1. A reinforcing material for reinforcing an existing frame or existing outer wall is disposed on an existing outer wall of a building or structure, and a new outer wall made of a dry wall material is formed on the reinforcing material. Exterior wall renovation structure.