JP3503991B2 - Protective structure of building waterproof layer - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a protective structure for a waterproof layer at a rising portion from a floor such as a parapet of a building, a tower, a balcony or an inner wall of a multi-storey parking lot.

[0002]

BACKGROUND ART As an example of a protective structure of a waterproof layer at a rising portion from a floor of a building, a structure relating to a parapet portion of a flat roof is shown in FIGS. 21 to 23. In this structure, a waterproof layer 33a is formed by asphalt or the like on the floor concrete layer 32 of the flat roof 31, and the waterproof layer 3a is formed.
Continuing from 3a, a similar waterproof layer 33b is continuously formed on the inner surface of the rising wall 34, and the upper edge of the waterproof layer 33b is stopped with a presser metal 35,
Placing concrete on the upper surface of the waterproof layer 33a and pressing layer 36
A water resistant board 37 is formed on the front surface of the waterproof layer 33b.
The upper holder 38 has the upper end of the board 37 attached to the jaw 34a of the parapet 34 (the upper front portion of the rising wall 34 in the case of FIGS. 22 and 23) and the lower end attached to the concrete 36. Each of them is supported by a holder 39 (Shokai 58-895).
16, JP-A-62-187121, JP-A-63-27655, JP-A-1-129419, and JP-A-1-210562).

Further, the pressing layer 36 has a structure shown in FIGS.
As shown in FIG. 1, stretchable joints 40 are put in a lattice shape, and the joints 40 absorb the stretch and contraction of the pressing layer 36 due to the temperature change. Further, the cushion material 42 (FIG. 21) and the corner joint 42 ′ (FIGS. 22 and 23) are also provided around the pressing layer 36.
Is similarly arranged to absorb the expansion and contraction of the pressing layer 36 and protect the corner portions of both the waterproof layers 33a and 33b.

The joint 40 has a pressing layer 36 on its upper surface.
21, the cap 41 is covered on the upper part thereof, and the cap 41 is moved up and down so as to be flush with the pressing layer 36, as shown in FIG.

[0005]

[Problems to be Solved by the Invention] As shown in FIG.
Conventionally, the lower boulder 39 is fixed to the pressing layer 36 by a plug screw 39a.
In order to prevent cracking of 6 (concrete), normally, the position of the screw needs to be separated from the end (contact surface with the cushion material 42 or the joint 42 ') by about 30 mm.

However, as shown in FIG. 21, in the case where the upper holder 38 is embedded in the jaw 34a, if the position of the screw is 30 mm away from the end, the protrusion width A of the jaw 34a is shown.
Is required to be about 110 mm. It is preferable that the projecting width A of the jaw 34a is as short as possible in view of workability and the like, and if the projecting width A is as large as this, workability is impaired.

Further, as shown in FIGS. 22 and 23, the plug screw 39 is also provided in the upper holder 38 which also serves as a drainer.
When the position of a is close to the rising wall 34, the pressing layer 3 is similarly formed.
Since 6 cracks occur, the position needs to be separated from the end by about 30 mm. Therefore, there is an inconvenience that the upper holder 38 having a large protruding width B must be used.

Under these circumstances, Kaikaihei 1-1294
No. 19, the lower holder 39 has a corner joint 42 '.
A technique for screwing is disclosed in. In this technique, since the pressing layer 36 is not screwed, it is not necessary to consider the crack, the water resistant board 37 can be brought close to the waterproof layer 33b, and the protrusion width of the upper holder 38 is also reduced.

However, since the height of the upper surface of the corner joint 42 'is generally not constructed with such high accuracy and does not have a constant height, it is difficult to fix the lower holder 39 to the corner joint 42' with high accuracy. In many cases

In view of the above points, it is an object of the present invention to provide a protective structure for a waterproof layer, which has a small influence on the projecting width of the jaw and the upper holder and which allows the lower holder to be mounted with high accuracy. To do.

[0011]

In order to solve the above-mentioned problems, the present invention provides a floor waterproof layer and a rising waterproof layer continuously over a floor of a building and a rising portion from the floor. A waterproof layer for a building in which a corner joint is interposed between the end portion of the holding layer formed on the floor waterproof layer and the rising waterproof layer, and a water-resistant plate is erected along the front surface of the rising waterproof layer. In the above protective structure, a lower holder for supporting the lower end of the water resistant plate is provided on the cap that covers the corner joint.

The side plate on the rising waterproof layer side of the cap may be inserted into the corner joint, and a part of the corner joint may be interposed between the side plate and the rising waterproof layer.

The lower holder may be attached to the cap by fitting.

The lower holder may be attached to the cap via a fixing piece.

[0015]

According to the above construction, since the lower holder is provided on the cap of the corner joint, the waterproof plate-like member can be erected at a position as close as possible to the rising waterproof layer. Also, the mounting accuracy of the lower holder is not affected by the finishing accuracy of the corner joint upper surface.

By mounting the lower holder by fitting it on the cap, the mounting accuracy of the lower holder can be further improved.

Further, when the lower holder is attached to the cap via the fixing piece, the air circulation path can be easily formed and smooth air circulation can be achieved. Further, the mounting accuracy of the lower holder can be improved by adjusting the mounting position of the lower holder to the fixed piece.

[0018]

[Effect] Since the present invention is as described above, it exhibits the following effects.

The mounting accuracy of the lower holder is not affected by the finishing accuracy of the corner joint.

The water-resistant plate-like body can be raised and brought as close as possible to the waterproof layer. Therefore, in the case where the upper holder of the water resistant plate is embedded in the jaw, the protrusion width of the jaw can be suppressed, and also in the holder that also serves as a drainer, the protrusion width is small and the workability is improved. To do.

When a part of the corner joint is interposed between the cap and the rising waterproof layer, the cap does not touch the waterproof layer, so that the waterproof layer can be prevented from being damaged without using a cushion material.

By interposing the fixing piece, the air circulation between the rising waterproof layer and the water resistant plate-like body becomes smooth.

Even if the finishing accuracy of the waterproof layer and the corner joint is poor, the mounting accuracy of the lower holder can be increased by the interposition of the fixing piece, and the water-resistant plate-like body can be fitted easily.

[0024]

EXAMPLE FIG. 1 and FIG. 2 show an example. In this embodiment, following the floor waterproof layer 3a of the flat roof of the building 1, the rising waterproof layer 3b is continuously formed on the rising portion 4 from the floor 2. Both of the waterproof layers 3a and 3b are coated with asphalt, a waterproof sheet or the like. Concrete is placed on the upper surface of the floor waterproof layer 3a to form a retaining layer 5. The retaining layer 5
As shown in FIG. 20, the joints are arranged in a grid pattern, and the corner joints 6 are provided at the corners of the floor waterproof layer 3a and the rising waterproof layer 3b.

The cap 7 of the corner joint 6 stands up and is in contact with the waterproof layer 3b with the cushion member 6a interposed therebetween, and a protective water-resistant plate-like body made of a water-resistant board, a metal panel or the like is provided on the upper portion of the cap 7. 8 lower holders 9 are formed. The cap 7 bites into the pressing layer 5 by the ridges 7a on its side surface to firmly support the corner joint 6.
In the figure, 7b is a butyl tape.

The lower holder 9 has a ridge 9a at the center of the bottom surface. With this ridge 9a, the lower end of the water resistant plate 8 is fitted to the lower holder 9 in a raised state, and the inner elastic claw 9b is used. It is held and firmly supported. Instead of the elastic claw 9b, a spring 9b 'can be used as shown in FIG. The spring 9b 'is provided at an appropriate position in the lower edge length direction of the water resistant plate member 8. A cover 10 is fitted on the upper surface of the lower holder 9 to prevent the intrusion of concrete when the pressing layer 5 is concrete-cast. The cover 10 is removed when the waterproof plate 8 is fitted.

The lower holder 9 may be projected from the upper surface of the pressing layer 5 as shown in FIG. 3, or may be provided so as to be displaced inside the cap 7 as shown in FIGS. 4 and 5.

In the embodiment shown in FIGS. 6 and 7, the lower holder 9 is separate from the cap 7 and is provided by fitting. In this case, the elastic claw 9b and the spring 9
Instead of b ′, the outer wall 9d of the lower holder 9 may be inserted into the cushion material 9c, and a part of the cushion material 9c may be interposed between the plate-shaped body 8 and the outer wall 9d.

In each of the embodiments shown in FIGS. 8 to 13, the lower holder 9 is attached to the cap 7 via the fixing piece 11, and the fixing piece 11 is attached to the cap 7.
Are provided at required intervals in the lengthwise direction, and the lower holder 9 is screwed by the screw 12 with the fixing piece 11 interposed.

A space is formed between the upper surface of the cap 7 and the lower surface of the lower holder 9 by the fixing piece 11, and the air circulates through the space a between the plate-like body 8 and the rising waterproof layer 3b as shown by an arrow in FIG. To do.

Further, the lower holder 9 to the fixed piece 11
The mounting position (the position of the screw 12) is adjusted appropriately as shown by the solid line or the chain line in FIG. 11 to obtain the mounting accuracy of the lower holder 9. For this reason, even if the finishing accuracy of the corner joint 6 is poor, the mounting accuracy of the lower holder 9 can be improved, and the lower end of the water resistant plate 8 can be easily fitted.

In the embodiment shown in FIGS. 8 and 9, the fixing piece 11 is fitted on the upper surface of the cap 7, and in the embodiment shown in FIGS. 10 to 13, the fitting portion 7c is provided on the side surface of the cap 7, and this fitting is carried out. Feet 11a, 11 of the fixing piece 11 to the joint 7c
b is fitted. The legs 11a in FIGS. 10 and 11 are provided over the entire length of the fixed piece 11, and the legs 11b in FIGS. 12 and 13 are formed of screws. The legs 11a do not have to be provided over the entire length, and those having a required length may be provided at required intervals. Also, feet
11b may be integrally formed with the fixed piece 11. Further, the fitting surface of the foot 11a and the fitting portion 7c may be saw-toothed as shown in FIG.

The upper surface of the fitting portion 7c of the cap 7 is covered with a thin film piece 7d, and this film piece 7 is covered by the foot 11a (screw 11b).
By covering with a and inserting it, the membrane piece 7d prevents the porosity of the poured concrete from entering the fitting portion 7c. As the structure of the fitting portion 7c, apart from the structure shown in FIG. 14 (a), a separation type (FIG. 14 (b)), a fitting type (FIG. 14 (c), (d)) and the like can be adopted. In addition, the same figure (e)
As shown in FIG. 7, the fitting portion 7c may be configured as a screw pilot hole groove. In addition, as shown in FIG. 7F, the wall 7 is inserted in the middle of the fitting portion 7c.
If g is provided and the wall 7g is broken and inserted by the screw 11b, the fixing strength is increased. Others, 7f in the figure
Is a curing tape to prevent the intrusion of concrete when pouring concrete.

The rear side plate 7d of the cap 7 may be inserted into the corner joint 6 as shown in FIG. By doing so, a part of the corner joint 6 is interposed between the cap 7 and the rising waterproof layer 3b, and the cap 7
There is no risk that the rising edge will touch the waterproof layer 3b and damage it. In this case, the cushion material 6a is unnecessary.

The side plate 7d may have a shape in which a nail is protruded at both ends of the corner joint 6 or a comb-like shape so long as it can be inserted into and supported by the joint 6. This insertion can also be adopted in each of the above-mentioned embodiments. Since the corner joint 6 in FIG. 15 has the slit 6c, the waterproof layer 3b is formed.
Easy to follow.

As shown in FIG. 16, the lower holder 9 can be directly fixed to the fitting portion 7c of the cap 7 with the screw 12 without the fixing piece 11 interposed.

In the embodiments shown in FIGS. 6, 7 and 16, a space a for air circulation may be formed under the lower holder 9 as shown by the chain line.

The upper end of the water resistant plate 8 has a rising portion 4
It is supported by an appropriate upper holder 13 depending on the shape. For example, the upper holder 1 also shown in FIGS.
3, the upper holder 13 integrated with the head 14 shown in FIG.
The upper holder 13 embedded in the jaw 34a shown in FIG. 21, FIG.
It may be fitted and supported in the drainage groove 38 'of the jaw 34a shown in FIG. 9 or the like, or may be screwed and supported instead of being fitted to various upper holders. In addition, in FIG. 18, reference numeral 15 is a mounting member for the headstock 14.

[Brief description of drawings]

FIG. 1 is a cutaway perspective view of a main part of an embodiment.

FIG. 2 is a cross-sectional view of the main part of the embodiment.

FIG. 3 is a cross-sectional view of a main part of another embodiment.

FIG. 4 is a sectional view of a main part of another embodiment.

FIG. 5 is a cross-sectional view of the essential parts of another embodiment.

FIG. 6 is a sectional view of a main part of another embodiment.

FIG. 7 is a cross-sectional view of main parts of another embodiment.

FIG. 8 is a perspective cutaway view of a main part of another embodiment.

FIG. 9 is a cross-sectional view of the main parts of the same embodiment.

FIG. 10 is a perspective cutaway view of a main part of another embodiment.

FIG. 11 is a sectional view of the main part of the same embodiment.

FIG. 12 is a perspective cutaway view of the main part of another embodiment.

FIG. 13 is a cross-sectional view of main parts of the same embodiment.

FIG. 14 is a cross-sectional view of main parts of another embodiment.

FIG. 15 is a cross-sectional view of the essential parts of another embodiment.

FIG. 16 is a cross-sectional view of main parts of another embodiment.

FIG. 17 is a cross-sectional view of essential parts of another embodiment.

FIG. 18 is a sectional view of an essential part of an example of a water resistant board upper end support structure.

FIG. 19 is a sectional view of an essential part of an example of a water resistant board upper end support structure.

[Figure 20] Joint construction explanatory diagram

FIG. 21 is a sectional view of a conventional example.

FIG. 22 is a sectional view of a conventional example.

FIG. 23 is a sectional view of a conventional example.

[Explanation of symbols]

1 building 2 floors 3a Floor waterproof layer 3b Standing waterproof layer 4 rising part 5 Presser layer 6 corner joints 7 cap 7a ridge 7c Fitting part 7d side plate 8 Water resistant plate 9 Lower holder 10 covers 11 fixed piece 11a feet 12 screws 13 Upper holder 14 Kasaki 15 Kasagi mounting member a void

Claims (3)

(57) [Claims] 1. A floor layer 2 of a building 1 and a floor waterproof layer 3a and a rising portion waterproof layer 3b are continuously provided over a rising portion 4 from the floor portion 2, and a pressing layer formed on the floor waterproof layer 3a. In a protective structure for a waterproof layer of a building, in which a corner joint 6 is interposed between the end portion of 5 and the rising waterproof layer 3b, and a water resistant plate 8 is erected along the front surface of the rising waterproof layer 3b. , the the caps 7 in the corner joints 6
The cap 7 is provided with a lower holder 9 for supporting the lower end of the water-resistant plate-like body 8 to protect the waterproof layer of the building. 2. The rising waterproof layer 3b of the cap 7
The side plate 7d is inserted into the corner joint 6 and the side plate 7d
The protective structure for a waterproof layer of a building according to claim 1, wherein a part of the corner joint 6 is interposed between the rising waterproof layer 3b and the rising waterproof layer 3b. 3. The cap 7 and the rising waterproof layer 3b
The protective structure for a waterproof layer of a building according to claim 1, wherein a cushion material 6a is interposed between the two.