JP7317688B2 - Finishing material attachment structure - Google Patents

Description

TECHNICAL FIELD The present invention relates to a finishing material attachment structure in which a panel-like finishing material is attached to a substrate with an adhesive.

As the finishing material attachment structure, Patent Literature 1 discloses a tiling construction method in which tiles, which are finishing materials, are attached to a base with an adhesive. In this conventional tiling construction method, a plurality of projections are formed at intervals in the left-right direction on each of a plurality of upper and lower portions of the front surface of a base plate for mounting tiles. Engagement portions of a load receiving member for receiving and supporting two left and right lower end surfaces of the tile separately are engaged with the upper edges of a pair of left and right projections positioned at each tile mounting location. The load receiving member engaged with the upper edge of the projection is fixed to the base plate with screws.

JP-A-2002-146997

In this conventional tiling method, the load of the tiles is supported by the load-bearing member fixed to the base plate, and the tiles are adhered to the base plate with an adhesive, so the tiles are adhered to the base only with an adhesive. As compared with , simplification of tile positioning and prevention of tile peeling can be achieved.
However, since it is necessary to attach the load receiving members to the left and right of each tile attachment location, it takes a lot of time and effort to attach the load receiving members. Moreover, when the tiles are peeled off, there is a problem that the tiles fall.

In view of this situation, the main object of the present invention is to efficiently apply a plurality of finishing materials with aligned joint lines without peeling and falling, and to provide a member for preventing peeling and falling. The object is to provide a finishing material attachment structure capable of reducing the number and installation man-hours.

A first characteristic configuration of the present invention is a finishing material attachment structure in which a panel-like finishing material is attached to a base with an adhesive,
A plurality of mounting grooves are formed in each of the plurality of upper and lower portions of the substrate along the left-right direction so as to cover a plurality of finishing material mounting positions, and each of the mounting grooves accommodates the loads of the plurality of finishing materials arranged in the left-right direction. A load-receiving member is attached to receive and support the load-receiving member; , in that a mounting portion for the fall prevention wire is provided.

According to this configuration, even when a large and heavy finishing material is adhered to the base with an adhesive, the load of the finishing material is received by the load receiving member attached to the mounting groove of the base. Since the finishing material can be adhered to the substrate with an adhesive, the positioning of the finishing material is facilitated and the peeling of the finishing material is suppressed as compared with the method of adhering the finishing material to the substrate only with an adhesive. be able to. Moreover, since the load receiving member is mounted in the mounting groove extending over a plurality of finishing material mounting positions along the left-right direction, and receives and supports the plurality of finishing materials in a row along the left-right direction, the load receiving member While reducing the installation man-hours, it is possible to efficiently apply a plurality of finishing materials with the joint lines aligned.
Furthermore, the finishing material and the base side are connected by a drop prevention wire, and the load of each finishing material is received and supported by the load receiving member, so that even if the finishing material peels off, it will not fall. do not have.
Moreover, by using the load receiving members for receiving and supporting the loads of the plurality of finishing materials, the fall prevention wire rod can be arranged through the mounting portions provided on each load receiving member, so that the exclusive use can be achieved. It is possible to reduce the number of man-hours for attaching the wire rod arrangement member and the same to the substrate.

In the second characteristic configuration of the present invention, the fall prevention wire includes a finishing material side wire connected to the finishing material side and a base side wire connected to the base side, and the finishing material is attached. The connection position between the finishing material side wire rod and the base side wire rod during the work is set at a position deviated from the pasting position of the finishing material.

According to this configuration, for example, when the connection position between the finishing material-side wire and the base-side wire is set between the attachment surface of the finishing material and the base to which the finishing material is attached, the finishing material before being attached can be The finishing material side wire rod and the base side wire rod must be connected while being held, which complicates the work. However, in this configuration, the connection position between the finishing material side wire rod and the substrate side wire rod is set at a position deviated from the pasting position of the finishing material to be pasted. The finishing material-side wire and the base-side wire can be easily connected in a space away from the position.

In a third characteristic configuration of the present invention, a connection position between the finishing material side wire and the base side wire during the finishing material pasting operation is set at a position deviated downward from the finishing material pasting position. at the point.

According to this configuration, in the method of applying the finishing material, generally, the work of applying the finishing material is performed while moving from the upper row to the lower row. The finishing material-side wire and the base-side wire can be easily connected in the downward space. In addition, the connected finishing material-side wire rods and base-side wire rods can be successively covered with the finishing material of the lower row in good appearance.

FIG. 2 is a cross-sectional view showing the finishing material attachment structure of the present invention when the load receiving member is attached. Front view when tensioning the wire on the finishing material side Front view in the middle of tiling work Sectional view of tile installation

An embodiment of the present invention will be described based on the drawings.
3 and 4 show that rectangular tiles 2, which are an example of a large number of panel-like finishing materials, are staggered on a base 1a composed of the outer surface of a precast concrete slab (PCa slab) 1 fixed to the frame of a building. 1 shows a finish application structure that is adhesively applied in a shape. Therefore, in this embodiment, two types of tiles 2 having different long side dimensions are used.

As shown in FIGS. 1 and 2, at each of a plurality of locations on the substrate 1a of the precast concrete slab 1 and at a vertical interval corresponding to the sum of the vertical width of the tile 2 and the vertical width of the horizontal tile joint, , a horizontal mounting groove portion 3 extending from one end to the other end in the left-right direction of the precast concrete slab 1 is formed.
In this embodiment, as shown in FIG. 1, the mounting grooves 3 described above are not formed in the base 1a of the precast concrete slab 1 at a portion corresponding to the lowest tile row.

As shown in FIGS. 1 and 2, each mounting groove 3 has the same length as the left-right width of the precast concrete slab 1, and is arranged along the left-right direction on the foundation 1a of the precast concrete slab 1. A load-receiving member 4 made of stainless steel for receiving and supporting the load of a large number of tiles 2 which are placed in the tiles 2 is inserted. The load receiving member 4 is bent into an L-shaped cross section, and includes a mounting plate portion 4A disposed on the bottom surface of the mounting groove portion 3, and a load receiving plate portion 4B in contact with the lower end surfaces of the many tiles 2. , provided.
As shown in FIGS. 1 and 2, the mounting plate portion 4A of each load receiving member 4 has a plurality of bolt insertion holes 4a formed in the left-right direction. The bottom surface of each mounting groove portion 3 of the precast concrete slab 1 corresponding to the bolt insertion hole 4a of each load receiving member 4 is provided with a screw hole to be screwed with the bolt 5 inserted through the bolt insertion hole 4a of each load receiving member 4. A female screw member 6 provided is fixed by the insert.

As shown in FIG. 1, the depth of each mounting groove 3 is greater than the sum of the thickness of the mounting plate 4A of the load receiving member 4 and the height of the head 5a of the bolt 5. As shown in FIG. When the mounting plate portion 4A of the load receiving member 4 is bolted to the bottom surface of the mounting groove portion 3, the head portion 5a of the bolt 5 is constructed so as not to protrude outward from the base 1a of the precast concrete slab 1.
1 and 4, when the mounting plate portion 4A of the load receiving member 4 is bolted to the bottom surface of the mounting groove portion 3, the load receiving plate portion 4B of the load receiving member 4 is a precast concrete slab. The tile 2 protrudes outward from the base 1a of 1 by a dimension corresponding to approximately half the plate thickness of the tile 2. - 特許庁The projecting portion of the load receiving plate portion 4B is configured to receive and support the load of the tile 2. As shown in FIG.

As shown in FIG. 3, the tiles 2 attached to the base 1a while being received by the load receiving plate portion 4B of the load receiving member 4 are connected to the base 1a side by stainless steel fall prevention wires 7. The load receiving member 4 is provided with an attachment portion 8 for a drop prevention wire 7 .
As shown in FIGS. 2 and 3, the fall prevention wire 7 includes a finishing material side wire 7A connected to the tile 2 side and a substrate side wire 7B connected to the substrate 1a side. Further, the base-side wire rod 7B is vertically stretched between the right and left ends of the mounting plate portion 4A of the load receiving member 4 bolted to each mounting groove portion 3 of the precast concrete slab 1. A pair of left and right vertical stainless steel wires 7Ba and a horizontal stainless wire 7Bb stretched in the horizontal direction between portions of the left and right vertical stainless wires 7Ba corresponding to upper and lower intermediate positions of each tile row in the horizontal direction. And prepare.

As shown in FIG. 2, the left and right vertical stainless steel wires 7Ba have downward extension portions 7Baa extending downward from the ends of the mounting plate portion 4A of the lowermost load receiving member 4. As shown in FIG. A horizontal stainless wire 7Bb for the lowest tile row is stretched between the two downward extension line portions 7Baa.

As shown in FIG. 3, each finishing material-side wire 7A is provided with a connecting stainless steel wire 7Aa in a hanging posture, the upper end of which is fixed to a vertically intermediate position on the back surface of each tile 2. As shown in FIG. In this embodiment, in the case of the tile 2 having a large long side, the upper end of the connecting stainless wire 7Aa is fixed to the upper and lower middle positions of the left and right sides of the back surface of the tile 2 with an adhesive or the like. In the case of a tile 2 with a small long side dimension, the upper end of the connecting stainless steel wire 7Aa is fixed to the upper and lower middle positions of the left and right center positions on the back surface of the tile 2 with an adhesive or the like.
The connecting stainless steel wire 7Aa fixed to the back surface of each tile 2 extends from the lower end of the tile 2 toward the horizontal stainless steel wire 7Bb located directly below, as shown in FIG. The downward extension length of the connecting stainless steel wire 7Aa is set to a length that facilitates the binding work with the horizontal stainless steel wire 7Bb with a margin.
The lower ends of the connecting stainless steel wires 7Aa of the tiles 2 attached to the substrate 1a of the precast concrete slab 1 are tied to the horizontal stainless steel wires 7Bb located directly below the tiles 2 to be attached, which are out of the attachment position.

As shown in FIGS. 2 and 3, the mounting portions 8 of the fall prevention wire 7 are attached to the mounting grooves 3 of the precast concrete slab 1 at both ends of the mounting plate portion 4A of the load receiving member 4. In addition, it is composed of a mounting hole 8a penetrating at a position substantially corresponding to the rear surface of the tile 2. As shown in FIG. A group of mounting holes 8a at the right end of the mounting plate portion 4A and a group of mounting holes 8a at the left end of the mounting plate portion 4A are arranged vertically and concentrically in a straight line. is inserted. The vertically oriented stainless steel wire 7Ba thus inserted is tightly bound to at least the mounting plate portion 4A of the uppermost load receiving member 4 and the mounting plate portion 4A of the lowermost load receiving member 4. As shown in FIG.

An elastic adhesive for substrate adjustment is applied to the substrate 1a of the precast concrete slab 1, and an elastic adhesive for substrate adjustment is applied to the outer surface of the mounting plate portion 4A of the load receiving member 4 bolted to the bottom surface of the mounting groove portion 3. agent is applied.

Next, a method for applying the finishing material to the finishing material applying structure configured as described above will be described.
[1] Mounting Process of Load Receiving Member 4 When the work of mounting the precast concrete slab 1 to the frame of the building is completed, the substrate 1a of the precast concrete slab 1 is cleaned by washing or the like. After cleaning, as shown in FIG. 1, it is formed on the substrate 1a of the precast concrete slab 1 and at a plurality of locations with a vertical interval corresponding to the sum of the vertical width of the tile 2 and the vertical width of the horizontal joint. A stainless steel load receiving member 4 having an L-shaped cross section and having the same length as the left-right width of the precast concrete slab 1 is placed in each of the mounting grooves 3 . The bolts 5 are inserted through the bolt insertion holes 4a formed at a plurality of locations in the left-right direction of the mounting plate portion 4A of each load receiving member 4. As shown in FIG. The inserted bolts 5 are screwed into the female screw members 6 inserted and fixed to the portions corresponding to the bottom surfaces of the respective mounting grooves 3 of the precast concrete slab 1, and the mounting plate portions 4A of the respective load receiving members 4 are screwed together. It is fixed to the bottom surface of the mounting groove portion 3 of the precast concrete slab 1 .

[2] Substrate preparation step An elastic adhesive for substrate preparation is applied to the substrate 1a of the precast concrete slab 1 . Further, each mounting groove portion 3 is filled with an elastic adhesive for substrate adjustment. The surface of the filled elastic adhesive for base preparation is finished smooth so that it is flush with the outer surface of the precast concrete slab 1 .

[3] Tensioning process of base side wire 7B of fall prevention wire 7 As shown in FIGS. And, of the mounting holes 8a of the mounting portion 8 penetrating at a position substantially corresponding to the back surface of the tile 2, the mounting hole 8a group at the right end and the mounting hole 8a group at the left end are provided on the substrate side. A vertical stainless steel wire 7Ba constituting the wire rod 7B is inserted along the vertical direction. The vertically oriented stainless steel wire 7Ba thus inserted is tightly connected to at least the mounting plate portion 4A of the uppermost load receiving member 4 and the mounting plate portion 4A of the lowermost load receiving member 4. As shown in FIG.
As shown in FIG. 2, the left and right vertical stainless steel wires 7Ba are provided with downward extension line portions 7Baa that extend downward from the ends of the mounting plate portion 4A of the lowest load receiving member 4. As shown in FIG. Of the left and right vertical stainless steel wires 7Ba including the downward extension line portion 7Baa, both ends of the horizontal stainless steel wires 7Bb forming the base wire 7B are placed at respective positions corresponding to the upper and lower middle positions of the respective tile rows along the horizontal direction. unite the department.

[4] Tiling process The upper end of the connecting stainless steel wire 7Aa of the finishing material side wire 7A constituting the drop prevention wire 7 is fixed in advance with an adhesive or the like to the upper and lower middle positions of the back surface of each tile 2 to be used. there is
Then, an elastic adhesive for attachment is applied in a bead shape to the back surface of the tile 2 to which the connecting stainless steel wire 7Aa is fixed, and the base 1a of the precast concrete slab 1 is attached in a staggered manner while moving from the upper row to the lower row. .
As shown in FIG. 4, the lower ends of the tiles 2 of each tile row except for the lowest tile row are placed on the load receiving plate portion 4B of the load receiving member 4 fixed to the mounting groove portion 3. The load of the tile 2 is received and supported by the plate portion 4B. In this state, the entire surface of the tile 2 abutted against the base 1a of the precast concrete slab 1 is lightly tapped for alignment, the alignment of the joint is adjusted, and the joint is tapped until the elastic adhesive protrudes and adheres to the joint.

Therefore, even when a large and heavy tile 2 is adhered to the base 1a with an adhesive, the load of the tile 2 is applied to the load receiving plate portion 4B of the load receiving member 4 attached to the mounting groove 3 of the base 1a. Since the tiles 2 can be adhered to the base 1a with an adhesive in the received state, the positioning of the tiles 2 is facilitated compared to the method of adhering the tiles 2 to the base 1a only with an adhesive. It is possible to prevent the tiles 2 from peeling off.

When the tiles 2 of each tile row except for the lowest tile row are attached to the substrate 1a, as shown in FIG. The connecting stainless steel wire 7Aa on the side is wired below the front end of the load-receiving plate portion 4B of the load-receiving member 4 in a substantially laterally U-shaped detour. The lower end of the connecting stainless steel wire 7Aa wired below is tied to the horizontal stainless steel wire 7Bb located directly below the tile 2 to be stuck, which is out of the sticking position.
As a result, the connecting stainless steel wire 7Aa of the tile 2 and the horizontal stainless steel wire 7Bb on the base side are connected, and the load of the tile 2 is received and supported by the load receiving member 4. Therefore, even if the tile 2 is peeled off, It will not fall even if you drop it.

Moreover, by utilizing the load receiving members 4 for receiving and supporting the loads of the plurality of tiles 2, the vertical orientation of the fall prevention wire 7 is achieved through the mounting holes 8a of the mounting portions 8 provided in the respective load receiving members 4. Since the stainless steel wire 7Ba can be arranged, it is possible to reduce the dedicated wire rod arrangement member and the number of man-hours for attaching it to the substrate 1a.

Furthermore, in the method of attaching the tiles 2, generally, the tiles 2 are attached while moving from the upper row to the lower row. In this space, the connecting stainless steel wire 7Aa of the tile 2 and the horizontal stainless wire 7Bb, which is the underlying wire 7B, can be easily connected. In addition, the connected stainless steel wires 7Aa and lateral stainless wires 7Bb of the tiles 2 that have been connected can be successively covered with the tiles 2 in the lower row in good appearance.

In the lowest tile row, as shown in FIGS. 2 and 4, the connecting stainless steel wire 7Aa of the finishing material side wire 7A fixed to the back surface of the tile 2 extends downward from the left and right vertical stainless steel wires 7Ba. It is tied to the horizontal stainless steel wire 7Bb stretched to 7Baa. Therefore, in the lowest tile row, the connecting stainless steel wire 7Aa fixed to the back surface of the tile 2 is tied to the horizontal stainless steel wire 7Bb stretched between the back surface of the tile 2 and the substrate 1a to which it is attached. After that, the tile 2 is adhered to the substrate 1a with an elastic adhesive while covering the connecting stainless steel wires 7Aa and the horizontal stainless wires 7Bb.

[Another embodiment]
(1) In the above-described embodiment, when the tiles 2 of each tile row except for the lowest tile row are attached, the connecting stainless steel wire 7Aa of the tile 2 to be attached and the horizontal stainless wire 7Bb as the base wire 7B are connected. is set at a position deviated downward from the attachment position of the tile 2 to be attached, but the connection position between the connecting stainless steel wire 7Aa of the tile 2 to be attached and the horizontal stainless wire 7Bb as the base wire 7B is set to , may be set at a position deviated from the pasting position of the tile 2 to be pasted to one side or upward in the left-right direction.

(2) In addition, as a modification of the above-described embodiment, in all tile rows, the connecting positions of the connecting stainless steel wires 7Aa of the tiles 2 to be applied and the lateral stainless steel wires 7Bb that are the base-side wires 7B are It may be set to the position where the tile 2 is attached.

(3) In the above-described embodiment, a horizontal mounting groove portion 3 extending from one end to the other in the left-right direction of the precast concrete slab 1 is also provided in the base 1a of the precast concrete slab 1 at a portion corresponding to the lowest tile row. The load of a large number of tiles 2 having the same length as the lateral width of the precast concrete slab 1 and arranged along the lateral direction on the foundation 1a of the precast concrete slab 1 is carried in the mounting groove 3. A load receiving member 4 may be attached to receive and support the load.

1a Base 2 Finishing material (tile)
3 Mounting groove 4 Load receiving member 7 Drop prevention wire 7A Finishing material side wire 7B Base side wire 8 Mounting part

Claims (3)

A finishing material attachment structure in which a panel-shaped finishing material is attached to a base with an adhesive,
A plurality of mounting grooves are formed in each of the plurality of upper and lower portions of the substrate along the left-right direction so as to cover a plurality of finishing material mounting positions, and each of the mounting grooves accommodates the loads of the plurality of finishing materials arranged in the left-right direction. A load-receiving member is attached to receive and support the load-receiving member; , a finishing material attachment structure provided with an attachment portion for the fall prevention wire. The fall prevention wire rod includes a finishing material side wire rod connected to the finishing material side and a base side wire rod connected to the base side. 2. The finishing material sticking structure according to claim 1, wherein a connection position with the base-side wire is set at a position deviated from a sticking position of the finishing material. 3. The finishing material attaching structure according to claim 2, wherein a connecting position between said finishing material side wire and said base side wire during said finishing material attaching work is set at a position deviated downward from said finishing material attaching position. .

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