JP6404555B2 - Exterior wall repair structure and exterior wall repair method - Google Patents

Description

  The present invention relates to a fall prevention member and a method for repairing an outer wall.

  Patent Document 1 discloses a conventional method for repairing an outer wall. In this repair method, a first step of fixing a plurality of first body edges extending in the vertical direction to an existing outer wall, and a plurality of second body edges extending in the lateral direction outside each first body edge are fixed. A second step and a third step of fixing the exterior material to the outside of each second trunk edge are provided.

  The first trunk edge includes a U-shaped bulging piece along the vertical direction, and a pair of flange pieces that protrude in a direction away from both ends of the bulging piece and extend in the vertical direction. That is, the first trunk edge has a substantially hat-shaped cross section. A plurality of slits extending in the lateral direction are formed on the first body edge at predetermined intervals in the height direction.

  The second trunk edge is composed of a plate-like vertical piece. The second trunk edge is formed with a hooking piece on the back surface, and the hooking piece is locked to the slit of the first trunk edge. In addition, a fastening piece is formed on the front surface of the second body edge, and the fastening piece is adapted to lock the exterior material.

  In this repair method, even if there are irregularities on the surface of the outer wall, the plurality of first waist edges conceal the irregularities. The plurality of second body edges fix the exterior material while covering the first body edges. For this reason, in this repair method, the finished surface of the exterior material can be finished smoothly and cleanly.

  Patent Document 2 discloses a repair method using a protection net. In this repair method, first, a protective net is disposed on the entire outer wall. Thereafter, a plurality of trunk edges extending in the vertical direction are fixed to the outer wall by anchor bolts from the outside of the protective net. And an outer wall material is fixed to each trunk edge.

  In this repair method, even if peeling occurs on a part of the outer wall, the protective net can prevent the peeled object from dropping or interfering with the exterior material.

JP 2011-074582 A Utility Model Registration No. 2585572

  However, in the repair method of the above-mentioned patent document 1, when the existing outer wall is formed of a tile or the like that has deteriorated over time, and a peeled object such as a tile falls, there is no prevention means. For this reason, even if the outer wall is refurbished by this refurbishing method, there is a possibility that when the peeled material falls, it interferes with other tiles and the like to cause further peeled material or damage the inside of the exterior material.

  In this regard, in the repair method of Patent Document 2, it is possible to solve problems such as dropping of a peeled object with a protective net.

  However, when a protective net is used, the protective net must be fixed to the entire outer wall, which is troublesome and the workability of the repair is poor.

  The present invention has been made in view of the above-described conventional situation, and a fall prevention member capable of exhibiting excellent workability while effectively preventing falling of a peeled material that peels from an existing outer wall, and an outer wall Providing a renovation method is a problem to be solved.

In the repair structure of the present invention, a plurality of trunk edges extending in the vertical direction are fixed to an existing outer wall pasted with tiles, and a plurality of fall prevention members are horizontally arranged at predetermined intervals between the adjacent trunk edges. A renovation structure of the attached outer wall,
The fall prevention member is
It is a member that is long in the lateral direction where the plate material is bent,
A first substrate portion having a predetermined vertical width and fixed to the outer wall;
A first side wall portion that is integrated with the first substrate portion and extends away from the outer wall in a lateral direction of the first substrate portion;
A second side wall portion that is positioned away from the first substrate portion and the first side wall portion, and is located below the first substrate portion;
With
The first substrate portion is fixed so that the vertical width covers the joint from the tile on the upper side to the tile on the lower side of the tile arranged adjacent to each other vertically through the joint,
An end portion of the second side wall portion is in contact with the tile located below the first substrate portion,
The first side wall and the second side wall may be located between an exterior material attached between the trunk edges and the outer wall.

According to the modified structure of the present invention, a plurality of longitudinally extending body edges are fixed to an existing outer wall to which tiles are attached, and a plurality of fall prevention members are horizontally spaced between adjacent body edges. Attach with.
At this time, the fall prevention member is configured so that the first substrate portion having a predetermined vertical width covers the joint from the upper tile to the lower tile of the tiles arranged adjacent to each other vertically through the joint. Since the end of the second side wall portion is fixed and comes into contact with the tile located below the first substrate portion, the joint and the tile can be pressed and falling can be prevented.
In addition, since the first side wall portion and the second side wall portion are located between the exterior material attached between the trunk edges and the existing outer wall, even if the exfoliated material exfoliates from the existing outer wall, Can be hooked to the part. For this reason, there is no possibility that the peeled material will interfere with other parts when dropped and cause further peeled material or damage the inside of the exterior material.

  In addition, since the fall prevention member only needs to fix the substrate portion at a predetermined interval in the height direction of the outer wall, it takes less time than fixing the protective net on the entire outer wall.

  Therefore, according to the fall prevention member of the present invention, it is possible to exhibit excellent workability while effectively preventing falling of the peeled material that peels from the existing outer wall.

In the fall prevention member, the first side wall portion and the second side wall portion are integrated, and the first side wall portion and the second side wall portion are bent and extended so as to be parallel to the first substrate portion , It is preferable to further have a top wall part located between outer walls .

In this case, you can be fixed by screws or the like first base plate portions on the outer wall. For this reason, this fall prevention member can be firmly fixed to the outer wall, and is also strong against an impact caused by a fallen object.

  In the fall prevention member, it is preferable that the first side wall part, the second side wall part or the top wall part is provided with a locking part capable of engaging another object.

  Here, since the fall prevention member of the present invention has a length between the body edges extending in the longitudinal direction, other objects are a fall prevention such as a protective net having a width between the two body edges, a piano wire, and the like. It is something other than a member. Moreover, a hole, a jig | tool, etc. are employable as a latching | locking part.

  For example, if a protective net having a width between two trunk edges is engaged with the locking portion, the protective net can be efficiently constructed. In addition, when disassembling the outer wall in which the exterior material is constructed in this way, it is possible to prevent the peeled material that has peeled off from the existing outer wall and caught on the side wall portion of the fall prevention member from dropping at the moment when the exterior material is removed. .

  Also, for example, if the piano wire is engaged with the engaging portions of the upper and lower fall prevention members, even if the fall prevention member comes off the existing outer wall due to the weight of the peeled object, the fall prevention member falls to the ground. Can be prevented.

The outer wall refurbishing method of the present invention includes a first step of fixing a plurality of trunk edges extending in a vertical direction on an existing outer wall pasted with a tile,
A second step of fixing a long fall prevention member in the horizontal direction between the adjacent trunk edges;
A third step of fixing the exterior material to each of the trunk edges,
The fall prevention member is
The board is bent,
A first substrate portion having a predetermined vertical width and fixed to the outer wall;
A first side wall portion that is integrated with the first substrate portion and extends away from the outer wall in a lateral direction of the first substrate portion;
A second side wall portion that is positioned away from the first substrate portion and the first side wall portion, and is located below the first substrate portion;
With
In the second step,
The first substrate portion is fixed so that the vertical width covers the joint from the upper tile to the lower tile of the tile arranged adjacent to each other vertically through the joint. With
An end portion of the second side wall portion is in contact with the tile located below the first substrate portion,
In the third step,
The first side wall portion and the second side wall portion are located between the exterior material attached between the trunk edges and the outer wall.

  In the repairing method of the present invention, in the first step, a plurality of trunk edges extending in the vertical direction are fixed to the outer wall. In the second step, the fall prevention member is fixed horizontally between the trunk edges. And in a 3rd process, an exterior material is fixed to each trunk edge. Here, the fall prevention member has the above-described effects.

  Therefore, in the repair method of the outer wall of the present invention, it is possible to exhibit excellent workability while effectively preventing falling of the peeled material that peels from the existing outer wall.

  The fall prevention member of the present invention can exhibit excellent workability while effectively preventing the fall of the peeled material that peels from the existing outer wall. Moreover, in the repair method of the outer wall of this invention, the outstanding workability | operativity can be exhibited, preventing the fall of the peeled material which peels from the existing outer wall effectively.

It is a perspective view which shows the fall prevention member of Example 1. FIG. It is sectional drawing which shows the state which attached the fall prevention member of Example 1 to the outer wall. It is a front view which shows the state which attached the fall prevention member of Example 1 to the outer wall. It is a perspective view which shows the repair method of Example 1. FIG. It is a perspective view which shows the state which attached the latching | locking part to the fall prevention member of Example 2, 3. FIG. FIG. 6 is a front view showing a repair method of Example 2. FIG. 10 is a front view showing a repair method of Example 3.

  Embodiments 1 to 3 embodying the present invention will be described below with reference to the drawings.

Example 1
As shown in FIGS. 1 and 2, the fall prevention member 1 is formed by bending a metal plate having a strip shape with a thickness of 1.2 mm, a width of 84 mm, and a length of 540 mm. This plate material is made of molten zinc as a base material, and this base material is plated with aluminum and a magnesium alloy.

  The fall prevention member 1 extends in the longitudinal direction D. The first and second substrate portions 1a and 1b each have a width of 20 mm, the first and second side wall portions 1c and 1d each have a width of 12 mm, and the top wall portion 1e having a width 20 mm. The length of the fall prevention member 1 has a length between adjacent metal trunk edges 7 described later.

  The first and second substrate portions 1a and 1b extend in parallel to each other on the same plane. The first substrate portion 1a is provided with two through holes 1f through which the screws 3 are inserted. In addition, it is also possible to provide a through hole in the second substrate portion 1b.

  The first side wall portion 1c is bent at a right angle on one end side in the width direction of the first substrate portion 1a. The second side wall portion 1d is bent at a right angle on the other end side in the width direction of the second substrate portion 1b. The first and second side wall portions 1c and 1d also extend in parallel to each other. The first and second side wall portions 1c and 1d are provided with a plurality of air holes 1g at regular intervals.

  The top wall portion 1e is bent at a right angle so as to be parallel to the first substrate portion 1a from the tip of the first side wall portion 1c, and so as to be parallel to the second substrate portion 1b from the tip of the second side wall portion 1d. It is bent at a right angle. The top wall 1e is formed between the first side wall 1c and the second side wall 1d.

  Using this fall prevention member 1, the outer wall 5 is repaired as follows. At this time, a ceramic product is used as the exterior material 9.

  As shown in FIG. 3, first, as a first step, a plurality of known metal barrel edges 7 extending in the vertical direction are fixed to the outer wall 5 by a plurality of anchor bolts 11 or the like. At this time, the metal trunk edge 7 is set to be perpendicular to the vertical direction. Here, the outer wall 5 is an existing wall made of the tile 5b. The outer wall 5 has a structure in which a mortar 5a is applied on reinforced concrete and a tile 5b is pasted thereon.

  Next, as a second step, the fall prevention member 1 is fixed to the outer wall 5 by inserting the screw 3 into the through hole 1 f of the fall prevention member 1 and screwing the screw 3 into the outer wall 5. At this time, the fall prevention member 1 is fixed between the adjacent metal barrel edges 7 so that the longitudinal direction D is horizontal.

  Thereafter, as shown in FIG. 4, as a third step, the exterior material 9 is fixed to each metal barrel edge 7 using a fastener 13. Thus, the repairing method of the outer wall 5 is completed.

  In this repair method, the first and second substrate portions 1a and 1b of the fall prevention member 1 are formed on the outer wall 5 with the length between the metal barrel edges 7 between the metal barrel edges 7 fixed to the outer wall 5 and extending in the vertical direction. Fixed. Thus, the first and second side wall portions 1c, which are integrated with the first and second substrate portions 1a and 1b, are bent in the width direction of the first and second substrate portions 1a and extend away from the outer wall 5, 1d will be located in the exterior material 9. FIG. For this reason, even if the tile 5b peels from the existing outer wall 5, the tile 5b can be hooked on the first side wall 1c. For this reason, when the tile 5b drops, there is no possibility of causing the tile 5b to further drop by interfering with other parts or damaging the inside of the exterior material 9.

  Further, in this repairing method, it is sufficient to fix the first substrate portion 1a with an interval in the height direction of the outer wall 5, so that it is easier than disposing a protective net on the entire surface of the outer wall 5. For this reason, it does not take time and effort.

  Therefore, according to this refurbishing method, it is possible to exhibit excellent workability while effectively preventing the tile 5b that is peeled off from the existing outer wall 5 from dropping.

(Example 2)
In the refurbishing method of the second embodiment, the fall prevention member 2 shown in FIG. 5 is used. The fall prevention member 2 is provided with two small holes 2a and 2b on both end sides of the top wall portion 1e.

  When this fall prevention member 2 is used, a protective net 15 is also used. The protective net 15 has a size that covers a portion surrounded by the left and right metal trunk edges 7 and the upper and lower fall prevention members 2.

  Using this fall prevention member 2, the outer wall 5 is repaired as follows. In this case, first, the first and second steps are performed as in the first embodiment.

  Next, as shown in FIG. 6, the protection net | network 15 is attached to each small hole 2a, 2b on either side of the upper and lower fall prevention member 2 using the wire 2c, respectively. Other configurations and processes are the same as those in the first embodiment.

  In this repair method, if the protective net 15 having a width between the two metal body edges 7 is engaged with the small holes 2a and 2b, the protective net 15 can be efficiently constructed. In addition, when the outer wall on which the exterior material 9 is constructed in this way is disassembled in the future, the tile 5b that is peeled off from the existing outer wall 5 and caught on the side wall portions 1c, 1d, etc. of the fall prevention member 2 is removed at the moment when the exterior material 9 is removed. You can prevent it from falling.

(Example 3)
In Example 3, as shown in FIG. 7, the fall prevention member 2 was used, and a piano wire 17 was provided between the upper and lower fall prevention members 2. In this case, first, the first and second steps are performed as in the first embodiment.

  Next, the piano wire 17 is connected to the small holes 2 a and 2 b of the upper and lower fall prevention members 2 using the wire 2 c, and the upper and lower fall prevention members 2 are connected by the both piano wires 17. Other configurations and processes are the same as those in the first embodiment.

  In this repair method, even if the fall prevention member 2 is detached from the existing outer wall 5 due to the weight of the tile 5b or the like, the fall prevention member 2 can be prevented from falling to the ground.

  In the above, the present invention has been described with reference to the first to third embodiments. However, the present invention is not limited to the first to third embodiments, and can be appropriately modified and applied without departing from the spirit of the present invention. Needless to say.

  For example, in the first to third embodiments, the outer wall 5 is an existing wall made of tiles, but the outer wall 5 is not limited to this. For example, the fall prevention member of the present invention can be adopted also for an outer wall such as a concrete panel, ALC, or brick.

  Moreover, in the said Examples 1-3, although the exterior material 9 which is a ceramic product is used, you may use metal exterior materials. In this case, the exterior material can be fixed to the metal barrel edge 7 with screws or the like.

  Moreover, in the said Examples 1-3, although the small holes 2a and 2b were used as the latching | locking part of the fall prevention member 2, it is also possible to provide the latching piece which processed the board material besides this.

  The present invention can be used when renovating existing outer walls.

DESCRIPTION OF SYMBOLS 1, 2 ... Fall prevention member 1a ... 1st board | substrate part 1b ... 2nd board | substrate part 1c ... 1st side wall part 1d ... 2nd side wall part 1e ... Top wall part 2a, 2b ... Locking part (small hole)
5 ... Outer wall 7 ... Metal trunk 9 ... Exterior material 15, 17 ... Others (15 ... Protective net, 17 ... Piano wire)

Claims (3)

In the outer wall repair structure in which a plurality of trunk edges extending in the vertical direction are fixed to an existing outer wall to which tiles are attached, and a plurality of fall prevention members are attached at predetermined intervals in the horizontal direction between the adjacent trunk edges. There,
The fall prevention member is
It is a member that is long in the lateral direction where the plate material is bent,
A first substrate portion having a predetermined vertical width and fixed to the outer wall;
A first side wall portion that is integrated with the first substrate portion and extends away from the outer wall in a lateral direction of the first substrate portion;
A second side wall portion that is positioned away from the first substrate portion and the first side wall portion, and is located below the first substrate portion;
With
The first substrate portion is fixed so that the vertical width covers the joint from the tile on the upper side to the tile on the lower side of the tile arranged adjacent to each other vertically through the joint,
An end portion of the second side wall portion is in contact with the tile located below the first substrate portion,
The first side wall and the second side wall are located between an exterior material attached between the trunk edges and the outer wall;
Renovation structure of the outer wall characterized by The fall prevention member is
The first side wall and the second side wall are integrated with each other, and the first side wall and the top wall are bent and extend from the second side wall so as to be parallel to the first substrate. ,
The latching | locking part which at least one of a protection net | network and a piano wire can engage with is provided in at least one of the said 1st side wall part, the said 2nd side wall part, and the said top wall part. Renovation structure of the outer wall. A first step of fixing a plurality of trunk edges extending in a vertical direction on an existing outer wall to which tiles are attached;
A second step of fixing a long fall prevention member in the horizontal direction between the adjacent trunk edges;
A third step of fixing the exterior material to each of the trunk edges,
The fall prevention member is
The board is bent ,
A first substrate portion having a predetermined vertical width and fixed to the outer wall;
A first side wall portion that is integrated with the first substrate portion and extends away from the outer wall in a lateral direction of the first substrate portion;
A second side wall portion that is positioned away from the first substrate portion and the first side wall portion, and is located below the first substrate portion;
With
In the second step,
The first substrate portion is fixed so that the vertical width covers the joint from the upper tile to the lower tile of the tile arranged adjacent to each other vertically through the joint. With
An end portion of the second side wall portion is in contact with the tile located below the first substrate portion,
In the third step,
The first side wall portion and the second side wall portion are located between an exterior material attached between the trunk edges and the outer wall;
Renovation method of the outer wall characterized by

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