JP2000027445A - Method for repairing existing wall surface - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the work of bonding a group of new tiles in layers on an existing wall surface. SOLUTION: A group of drill holes 7 is formed by drilling process whereby a part of an existing tiled wall surface 4 is locally drilled, and a net 9 is bonded to the existing tiled wall surface 4 via a layer of adhesion strengthening agent 8 and secured to a wall 1 by anchor members 10 having respective heads 10a fitted in the drill holes 7. An adhesive is applied to the net 9 and a group of new tiles 5 are bonded in layers on the net 9 via this adhesive layer 12 to construct a newly tiled wall surface 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to renovation of an existing wall surface by renovating an existing wall surface by laminating a new tile wall surface on an existing wall surface such as a tiled wall surface when renovating the wall surface of a tiled building. Concerning the construction method.

[0002]

2. Description of the Related Art At the time of repair work on a tiled wall surface, repair work is performed by a plying method (tile-on-tile method) in which an existing tile group is covered with a new tile group without removing the existing tile group. In the conventional tile overlapping method, as shown in FIG.
Is provided on the existing tiled wall surface 50 formed by being stuck in a line in the vertical and horizontal directions.
A net 55 fixed to the existing tiled wall 50 by an anchor bolt 53 driven into the base 59 at a predetermined pitch is attached to the base adjustment material 54, and is applied on the net 55. A new tiled wall surface 58 is formed by a group of new tiles 57 stacked on the existing tiled wall surface 50 by the laminated mortar 56.

[0003]

In the above-described tile overlapping method, the anchor bolts 53 for fixing the net 55 penetrate the existing tile 51 and are driven into the foundation 59, and the bolt head of each anchor bolt 53 is provided. Since the anchor bolts 53 a are projected from the existing tiled wall surface 50 and the anchor bolts 53 are fixed to the base 59, when applying the mortar 56 to the existing tiled wall surface 50,
The application work is hindered by the protruding bolt head 53a, and there is a problem in that the work efficiency is reduced. In addition, since the application thickness of the attaching mortar 56 needs to be increased until the bolt head 53a is hidden, the use of the attaching mortar 56 There is a problem in that the construction amount from the existing tiled wall surface 50 to the new tiled wall surface 58 becomes large.
SUMMARY OF THE INVENTION It is an object of the present invention to simplify the work of repairing an existing wall surface and improve the construction state of a new wall surface.

[0004]

According to the first aspect of the present invention, a group of drilled holes formed by locally drilling a part of an existing wall surface of a wall requiring repair is formed at various points on the existing wall surface. Then, a net is pasted on the existing wall surface, and a portion of the net facing the respective cut hole is penetrated through the bottom surface of the cut hole in a state where a head is fitted into the cut hole, and the wall body is formed. And fixing the tiles for repair to the net by stacking tiles for repair on the net to form a new tiled wall surface.

According to the first aspect of the present invention, when a construction surface on which a group of tiles for repair is constructed is formed on an existing wall,
A group of shaving holes is formed on the existing wall by drilling to locally cut a part of the existing wall, and the part of the net to be attached to the existing wall, the part facing the shaving hole, the head is fitted into the shaving hole Newly tiled wall with renovation tiles laminated on the net and fixed to the existing wall with anchor members that penetrate the bottom of the shaved hole and are driven into the wall without protruding from the existing wall, and laminated on the net Create

According to a second aspect of the present invention, in the first aspect of the present invention, after the net is attached to the existing tiled wall surface, a new tile group for repair is attached to the net via an adhesive layer. A new tiled wall in which new tile groups are arranged vertically and horizontally.

According to the second aspect of the present invention, the net attached to the existing tiled wall surface is fixed to the existing tiled wall surface at the position of each shaving hole, and a new tile group serving as a new wall surface for repair is formed on the net. The newly applied tile wall is formed by applying the adhesive vertically and horizontally on the existing wall with the applied adhesive.

[0008]

Next, an embodiment of the present invention will be described with reference to the drawings. In the renovation method in which a new group of tiles 5 is laminated on the existing wall surface of the wall body 1 requiring repair, and the existing wall surface is covered with the new tiled wall surface 6 to repair the existing wall surface, in this embodiment, The existing tiled wall 4 made up of three groups of existing tiles which are stuck vertically and horizontally on the outer surface of the wall 1 with the joints 2 therebetween is used as the existing wall, and is stuck vertically and horizontally on the existing tiled wall 4 An embodiment will be described in which a newly-installed tiled wall surface 6 by a group of newly-installed tiles 5 is used as a repair wall surface.

At the time of the renovation work for renovating the existing tiled wall surface 4, first, the existing tiled wall surface 4 is inspected to determine whether there is any defective portion such as floating or peeling of the existing tile group 3, and the defective portion is checked. Make a repair.

Next, a group of drilled holes 7 formed by drilling a part of the existing tiled wall surface 4 locally with a hammer drill or the like is formed at various places on the existing tiled wall surface 4.

[0011] The group of drilled holes 7 is formed by the existing tiled wall surface 4.
Then, as shown in FIG.
A portion B1 of each of the three existing tiles 3 facing each corner 3a is shaved together with the joint 2 between each of the corners 3a to form a shaving hole 7, or an end of both existing tiles 3 vertically or horizontally adjacent to each other. The B2 portion facing the edge 3b is shaved together with the joint 2 between the both end edges 3b to form a hole 7, and the B3 portion and the B4 portion which are separated inward from the edge 3b of the existing tile 3 are scraped off. It is created by drilling or the like for drilling a hole 7.

After the formation of the group of cutting holes 7, the bottom surface 7 a of the cutting hole 7 is formed.
An anchor hole 11 for driving an anchor member 10 that penetrates the wall 1 is drilled at the center of each of the shaving holes 7 of the wall 1 using a hammer drill or the like.

Next, the surface of the existing tiled wall surface 4 is treated with water,
After washing with detergent, etc., remove the dirt from the existing tiled wall 4, dry the existing tiled wall 4, and strengthen the adhesive strength of the group of new tiles 5 to be installed on the existing tiled wall 4. For the purpose of stabilizing the construction state, an adhesion enhancer is applied over the existing tiled wall surface 4 and the adhesion enhancer layer 8 is laminated.

As the adhesion enhancer, an epoxy resin, a silane-modified acrylic polymer or the like is used.

When the adhesion enhancer 8 is applied, if the existing wall surface is a multi-layer pattern sprayed wall surface on which a finishing coating material is sprayed and the unevenness is 3 mm or more, the surface is repaired using a repair cement. Repair the existing wall surface to make it smooth. However, if the unevenness of the existing wall is 3 mm or less, this repair is not necessary.

Next, a net 9 made of vinylon fiber or the like is superimposed on the adhesion enhancing layer 8 and attached to the existing tiled wall surface 4 via the adhesion enhancing layer 8.

Subsequently, an anchor member 10 such as an anchor bolt or an anchor pin is attached to the head 1 of the anchor member 10.
0a is fitted into the hole 7 and the existing tiled wall 4
From the center of the bottom surface 7a of each shaved hole 7 and fixed to the wall 1 by driving into an anchor hole 11 drilled in the wall 1 and each of the nets 9 facing the shaved hole 7 The bottom surface 7a of each shaved hole 7 is
To fix it to the wall 1.

The net 9 is attached to the existing tiled wall 4 in a state where it is bent along the wall of the hole at the position of each hole 7 and is fixed to the bottom surface of each hole 7, and is repaired. Is formed by the net 9.

Next, an adhesive such as a polyurethane-based resin, an epoxy-based resin, or an acrylic-based resin is applied on the net 9 with a trowel or the like, and the adhesive layer 12 is laminated on the net 9. At this time, a part of the adhesive has entered each of the shaving holes 7.

Next, the new tiles 5 are arranged vertically and horizontally and pasted on the net 9 with an adhesive layer 12 therebetween.
Further, when the joints 15 are stuffed into the gaps between the new tiles 5, the new tiles 5 superimposed on the existing tiled wall 4 and the new tiled wall 6 by the joints 15 are created. The renovation work to overlay 6 on the existing tiled wall 4 is completed.

With respect to the existing wall surface, in addition to the existing tiled wall surface, the stone wall surface for interior / exterior use, the interior / exterior paint finish surface, the coating material sprayed wall surface, etc. are the existing wall surfaces.

According to the above-described embodiment, when fixing the net 9 to the existing tiled wall surface 4 in the renovation work of the existing tiled wall surface 4, a very small portion of the existing tiled wall surface 4 is formed by drilling. It is not necessary to completely remove the existing tile 3 just by scraping it off, so that the repair work on the existing tiled wall 4 can be simplified and streamlined, and the amount of waste in the repair work is greatly reduced. Can be done.

When the new tiled wall 6 is formed, the head 10a of each anchor member 10 does not protrude from the existing tiled wall 4 and is buried in each of the shaving holes 7 to form the net 9
Since the projecting portion can be eliminated by eliminating the projecting portion, the workability of laminating the new tiled wall surface 6 on the existing tiled wall surface 4 can be improved, and the construction work efficiency can be improved. At the same time, the construction thickness of the new group of tiles 5 can be reduced to a minimum to reduce the material costs used for the construction of the group of new tiles 5. In addition, the new wall material reduces the sliding load applied to the existing wall. Thus, the construction state of the newly installed tiled wall surface 6 can be stabilized.

Also, since the net 9 is bent and fixed firmly in each of the shaving holes 7 by the anchor member 10, the state of attaching the net 9 is strengthened and stabilized, and the state of installation of the new tiled wall surface is improved. Can be improved.

Further, the operation of attaching a net 9 on the existing tiled wall surface 4 to create a construction surface for repair can be simplified and streamlined, and a group of new tiles 5 can be attached to the net 9. The work efficiency of the attaching operation can be improved to improve the work efficiency, and at the same time, the construction state of the new tiled wall surface 6 can be improved and stabilized.

[0026]

According to the invention of claim 1, when the net is fixed to the existing wall surface in the repair work of the existing wall surface, only a very small portion of the existing wall surface is cut off by drilling, and the existing wall surface is entirely repaired. Since it is not necessary to hang it, it is possible to simplify and streamline the repair work of the existing wall surface, and to greatly reduce the amount of waste in the repair work.

Further, when creating a new wall surface, the head of each anchor member does not protrude from the existing wall surface and is buried in each shaved hole, thereby flattening the construction form of the net and eliminating the protruding portion protruding from the existing wall surface. As a result, it is possible to improve the work efficiency of laminating the new wall on the existing wall and improve the efficiency of construction work, and to reduce the construction thickness of the finished wall material to the minimum and finish the wall The cost of materials used for construction of the materials can be reduced, and the sliding load applied to the existing walls by the new wall materials can be reduced to stabilize the construction state of the new tiled walls.

Further, since the net is firmly fixed in a bent form in each of the shaved holes by the anchor member, it is possible to enhance and stabilize the state of attaching the net and improve the state of execution of the new wall surface. it can.

According to the second aspect of the present invention, it is possible to simplify and streamline the work of attaching a net to an existing tiled wall surface to create a repaired construction surface. It is possible to improve the work efficiency of the sticking work for sticking to the net, thereby improving the work efficiency, and to improve and stabilize the construction state of the new tiled wall surface.

[Brief description of the drawings]

FIG. 1, showing one embodiment of the present invention, is a longitudinal sectional view of a wall body before renovation.

FIG. 2 is a longitudinal sectional view of a wall body showing a state in which a shaved hole is formed.

FIG. 3 is a vertical sectional view of a wall body showing a state in which a net is attached and fixed by an anchor member.

FIG. 4 is a vertical cross-sectional view of a wall showing a state in which new tile groups are stacked and constructed.

FIG. 5 is a front view of an existing tiled wall for explaining a mode of drilling a hole;

FIG. 6 is a longitudinal sectional view illustrating a construction mode of a conventional new tile group.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wall 3 Existing tile 4 Existing tiled wall 5 New tile 6 New tiled wall 7 Shaving hole 9 Net 10 Anchor member 11 Anchor hole 12 Adhesive layer

Claims (2)

[Claims] 1. A group of drilled holes formed by drilling a part of an existing wall surface of a wall body that needs renovation at a location on the existing wall surface, and then attaching a net to the existing wall surface. A portion of the lever net that faces each of the shaving holes is anchored into the wall by penetrating the bottom surface of the shaving hole with the head fitted into the shaving hole and the wall body A method of repairing an existing wall surface in which a tile group for repair is laminated on the net to create a new tiled wall surface. 2. After attaching a net to an existing tiled wall surface, a new tile group for repair is attached to the net via an adhesive layer, and the new tile group is arranged vertically and horizontally. The method for repairing an existing wall according to claim 1, wherein the wall is created.