JP2005256511A - Water cutting-off structure of external wall corner part having one side being girth part between stories and the other side being general section - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a water cutting-off structure of an external wall corner part whose one side is a girth part between stories and whose other side is a general section capable of putting a vertical joint in the corner part in a firm water cutting-off condition and facilitating construction. <P>SOLUTION: A foam resin thermal insulation material 15 for the corner part between stories is provided between a water cutting-off plate 9 in the girth part and an external wall inner corner part on a side of an external wall part 1 on one side. A joint water cutting-off member 17 is provided in a vertical joint 16 formed between the foam resin thermal insulation material 15 for the corner part between stories and a foam resin thermal insulation material 14 in an external wall part 2 on the other side. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a water stop structure at a corner of an outer wall, one of which is an interstory trunk difference portion and the other is a general portion.

  As a water-stopping structure for the floor gap between the floors of the building, a foam resin insulation is provided behind the outer wall material on the lower floor, and the trunk gap water-blocking material, for example, A water plate is provided.

  On the other hand, when the site is sloping ground or when you want to make effective use of the upper space of the garage, or when you want to secure a large space even in a narrow area, so-called skipping that causes the floor of the building to be divided by half a floor Buildings with floors are also provided.

  However, for example, in a building having the above-described skip floor, for example, in the corner of the outer wall, for example, the corner of the outer wall between the outer wall and the other corner that sandwiches the corner of the corner. The general part of the outer wall part is adjacent to each other. Therefore, when the water stop structure as described above is adopted as the water stop structure of the interstitial trunk difference part, one side sandwiching the outer wall entering corner is a foamed resin heat insulating material. Then, the other side becomes a trunk difference portion water stop plate, and it becomes a problem how to perform the water stop construction of the vertical joint at the outer wall entrance corner.

  The present invention has been made in view of the above-described problems, and in one corner of the outer wall, one of which is an interstitial trunk difference portion and the other is a general portion, the vertical joint of the corner portion is firmly secured. It aims at providing the water stop structure of the outer wall corner part which can be made into a water stop state and can perform the construction easily.

The above-mentioned problem is that the outer wall comprises a foamed resin heat insulating material behind the outer wall surface material,
The interstitial gap part of one outer wall part sandwiching the outer wall corner is adjacent to the general part of the other outer wall part sandwiching the corner part,
In the inter-floor trunk difference part of the one outer wall part, a trunk gap water-stopping material is installed so as to pass over the foamed resin heat insulating material below the upper floor,
On the side of the one outer wall portion, a foam resin heat insulating material for inter-story corners is interposed between the water stop material and the outer wall corners,
A joint water-stopping material is installed on a vertical joint formed between the foam resin heat insulating material for the inter-floor corner and the foam resin heat insulating material on the other outer wall, The problem is solved by the water stop structure (first invention) at the corner of the outer wall, the other part being the general part.

  In this structure, a foamed resin heat insulating material for inter-story corners is interposed between the trunk difference water-stopping material and the outer wall corners on the one outer wall side. And it has the structure where the joint water stop material was installed in the vertical joint formed between this foamed resin heat insulating material for floor corners, and the foamed resin heat insulating material of said other outer wall part. Therefore, despite the fact that one side is the interstitial trunk part and the other is the outer wall corner, which is a general part, the vertical joints at the corners are sandwiched by foamed resin insulation from both sides, By installing a joint water-stopping material on the same vertical joint, it is possible to form a solid water-stopping condition, and it is only necessary to install a joint water-stopping material between these foamed resin insulation materials. Construction can also be performed easily. End processing of the foam resin heat insulating material for inter-story corners facing the vertical joint can also be easily performed using the easy processability of the foam resin heat insulating material.

  In addition, on the side of the one outer wall, the foamed resin heat insulating material for inter-story corners and the trunk difference water stop material are adjacent to each other on a straight line, so that the water stop between them can be easily performed. In addition, it is possible to make a firm water stop between them.

  In addition, regarding the installation of the foam resin heat insulating material for inter-story corners, the foam resin heat insulating material for inter-story corners and the foam resin heat insulating material of the upper floor and the lower floor are adjacent on a straight line. The water stop can be performed easily, and the water stop state between them can be secured.

  In this water stop structure, the body difference portion water stop material is made of a plate, and the end of the body difference portion water stop plate is inserted into a notch provided in the foamed resin heat insulating material for the interstory corner. In addition, the water stoppage between them may be continuous. In this case, it is possible to make the water stop state by simply inserting the end portion of the body difference portion water stop plate into the cut portion of the foam resin heat insulating material for the inter-floor corner portion, and the construction can be easily performed. Moreover, the cut portion can be easily formed in the foamed resin heat insulating material by utilizing the easy processability of the foamed resin heat insulating material.

In addition, the above problem is that the outer wall comprises a foamed resin heat insulating material behind the outer wall surface material,
The interstitial gap part of one outer wall part sandwiching the outer wall corner is adjacent to the general part of the other outer wall part sandwiching the corner part,
In the interstory trunk difference part of the one outer wall part, a trunk difference part water stop plate is installed so as to pass over the foamed resin heat insulating material below the upper floor,
A joint processing portion for forming a vertical joint between the other outer wall portion and the foamed resin heat insulating material is provided at an end of the trunk difference waterstop, and the joint processing portion and the other joint A water-stopping structure at the corner of the outer wall, one of which is the inter-floor trunk part and the other is a general part, characterized in that a joint water-stopping material is installed at the vertical joint between the outer wall and the foamed resin insulation. This can also be solved by the (second invention).

  In this structure, a joint processing portion for forming a vertical joint is provided at the end of the trunk difference water stop plate provided on one outer wall portion with the foamed resin heat insulating material on the other outer wall portion. Yes. And it has the structure where the joint water stop material was installed in the vertical joint between the process part for joints of the edge part of a trunk | drum difference part water stop plate, and the foaming resin heat insulating material of said other outer wall part. Therefore, despite the fact that one side is the interstory trunk difference part and the other is the outer wall corner part, which is a general part, the vertical joints at the corners are joint parts for joints at the end of the trunk difference part waterstop plate from both sides. By installing a joint water-proofing material on the same vertical joint, it is possible to form a firm water-stopping condition, and at the same time, Since it is only necessary to install the water material, the water stop work can be easily performed.

  In this water stop structure, the joint processing portion of the body difference portion water stop plate may include a support portion that supports the joint water stop material from behind. In this case, the joint water-stopping material can be easily installed at an appropriate depth position of the vertical joint at the corner of the outer wall, and one side sandwiching the vertical joint at the corner of the outer wall is a plate-shaped trunk waterstop Taking advantage of something, it is possible to easily provide the support portion as described above.

  Since the present invention is as described above, the vertical joints at the corners can be in a tight water-stopping state at the corners of the outer wall where one is the interstitial gap part and the other is the general part. Moreover, the construction can be easily performed.

  Next, the best mode for carrying out the present invention will be described with reference to the drawings.

  The water stop structure of the first embodiment shown in FIG. 1 to FIG. 4 is for an outer wall entrance corner of a building having a skip floor, 1 is one outer wall portion sandwiching the entrance corner, and 2 is the entrance corner It is the other outer wall part which pinches | interposes a part, The interstory trunk | drum difference part 3 of one outer wall part 1 and the general part of the other outer wall part 2 are adjacently provided through the outer wall entrance corner.

  As shown in FIG. 1 and the like, the one outer wall portion 1 is provided with a foamed resin heat insulating material 7 behind a floor outer wall material 5 such as a ceramic industry, and also has a floor outer wall material 6 such as a ceramic industry. A foamed resin heat insulating material 8 is also provided at the back, and in the interstitial trunk difference portion 3, a water stop plate 9 made of metal or the like as a trunk difference portion water stop material has an upper edge portion as an upper floor foam resin heat insulating material 7, and the lower edge portion is provided so as to protrude to the front side of the downstairs foamed resin heat insulating material 8. And the downstairs foamed resin heat insulating material 8 are allowed to flow downward through the ventilation part 10 so that the interstory trunk difference part 3 is water-stopped. In addition, 11 is an interstitial trunk difference part decorative face material.

  The other outer wall portion 2 is not provided with an interstitial trunk difference portion at a corresponding height position of the interstitial trunk difference portion 3 of the one outer wall portion 1, and for this portion, an outer part such as a ceramic industry is not provided. It has a structure in which a foamed resin heat insulating material 14 is provided behind the wall surface material 13.

  And, on the one outer wall portion 1 side, the trunk difference water stop plate 9 is held behind the position of the outer wall entrance corner, and between the trunk difference portion water stop plate 9 and the outer wall entrance corner, a floor is provided. The foam resin heat insulating material 15 for the inter-corner portion is interposed, the foam resin heat insulating materials 7 and 8 below the upper floor of the one outer wall portion 1, the foam resin heat insulating material 15 for the inter-corner corner portion, and the other outer wall portion. The joint water-proofing material 17 is installed in the vertical joint 16 of the outer wall entering corner formed between the two foamed resin heat insulating materials 14, and the vertical joint 16 in the outer wall entering corner is stopped.

  Further, as shown in FIG. 2, a notch 18 into which the end of the interstitial water stop plate 9 is inserted is formed at the end on the opposite corner side of the foam resin heat insulating material 15 for the interstory corner. By inserting the end of the inter-story water stop plate 9 into the portion 18, the space between the inter-story water stop plate 9 and the inter-floor corner foamed resin heat insulating material 15 is kept water-stopped. In addition, you may make it improve this water stop performance for this insertion part using a butyl seal. In addition, in the one outer wall portion 1, a waterproofing treatment may also be performed between the foam resin heat insulating material 15 for the inter-story corners and the foam resin heat insulating materials 7 and 8 on the lower floor using a butyl seal or the like. That's fine.

  In the above-described structure, on one side of the outer wall portion 1, the foam resin heat insulating material 15 for the inter-story corner is interposed between the trunk difference water stop plate 9 and the outer wall entering corner, and this inter-story corner is provided. Since the joint water-stopping material 17 is installed in the vertical joint 16 formed between the foam resin heat-insulating material 15 for the part and the foamed resin heat-insulating material 14 of the other outer wall 2, The vertical joint 16 at the same corner is sandwiched by the foamed resin heat insulating materials 14 and 15 from the both sides, although the interstitial gap 3 is the outer wall corner which is a general part. By installing the joint water-stopping material 17 on the vertical joint 16, a firm water-stopping state can be formed, and the construction can be easily performed. Processing of the end portion of the foam resin heat insulating material 15 for the inter-floor corner facing the vertical joint 16 can also be easily performed by utilizing the easy processability of the foam resin heat insulating material.

  Moreover, since the foam resin heat insulating material 15 for inter-story corners and the trunk difference water stop plate 9 are adjacent to each other on the straight line on the one outer wall 1 side, the water stop between them is easily performed. As well as a tight water stop between them. In particular, in the present embodiment, the end of the trunk difference water stop plate 9 is inserted into the notch 18 provided in the foam resin heat insulating material 15 for the interstory corner so that the water is stopped between them. Since it is made, construction can be performed easily.

  Furthermore, regarding the water stop between the foam resin heat insulating material 15 for the inter-story corners and the foam resin heat insulating materials 7, 8 on the lower floor, these foam resin heat insulating materials 15, 7, 8 are linear lines in the vertical direction. Since they are adjacent to each other, the water stop between them can be easily performed, and the water stop state between them can be made firm.

  As shown in FIG. 6, the water stop structure of the second embodiment shown in FIGS. 5 to 8 is such that the end of the trunk difference water stop plate 9 is formed by bending the plate, pressing, or the like. The molded resin heat insulating material for inter-corner corners as in the first embodiment is omitted. A joint water-stopping material 17 is installed in a vertical joint 16 between the processing portion 21 and the foamed resin heat insulating material 14 of the other outer wall portion 2. The joint processing portion 21 of the trunk difference water stop plate 9 is also provided with a plate-like support portion 22 that supports the joint water stop material 17 from behind.

  Further, the upper end portion of the joint processing portion 21 of the trunk difference water stop plate 9 includes a portion 23 that overlaps from the outside to the vertical joint adjacent portion of the lower end portion of the upper floor foamed resin heat insulating material 7. The lower end portion of the portion 21 is provided with a portion 24 that overlaps from the outside in the vertical joint adjacent portion of the upper end portion of the downstairs foamed resin heat insulating material 8. The water stop state between the trunk difference water stop plate 9 and the foamed resin heat insulating materials 7 and 8 on the upper floor is ensured. Others are the same as in the first embodiment.

  In this water stop structure, the joint which forms the vertical joint 16 between the foamed resin heat insulating material 14 of the other outer wall part 2 in the edge part of the trunk | drum difference part water stop board 9 with which one outer wall part 1 was equipped. Processing portion 21 is provided, and a joint water-stopping material is provided at a vertical joint 16 between the joint processing portion 21 at the end of the trunk difference water stop plate 9 and the foamed resin heat insulating material 14 of the other outer wall portion 2. 17 is installed, so that the vertical joint 16 at the same corner is from both sides, even though one is the interstitial gap portion 3 and the other is a general corner of the outer wall. By installing the joint water-stopping material 17 on the vertical joint 16 in a form sandwiched between the joint processing portion 21 at the end of the trunk difference water-stop plate 9 and the foamed resin heat insulating material 14, The water stop state can be formed, and the construction can be easily performed.

  In particular, in the present embodiment, the joint processing part 21 of the trunk difference part water stop plate 9 includes the support part 22 that supports the joint water stop material 17 from the back. It can be easily installed at an appropriate depth position of the vertical joint 16 and the one that sandwiches the vertical joint 16 at the corner of the outer wall is a plate-shaped body-stopping water stop plate. Such a support portion 22 can be easily provided by attaching a plate piece or integrally forming it.

  Although the embodiment of the present invention has been described above, the present invention is not limited to this, and various modifications can be made without departing from the spirit of the invention. For example, in the above-described embodiment, the case where the present invention is used for the outer wall corner is shown, but the present invention can also be used for the outer wall corner. In the first invention, a sheet-like water-stopping material may be used as the body-plugging water-stopping material. Further, the present invention is not limited to a building having a skip floor, and the interstitial gap part of one outer wall part sandwiching the outer wall corner is adjacent to the general part of the other outer wall part sandwiching the corner part. It can be widely used for various buildings.

The water stop structure of 1st Embodiment is shown, and it is a perspective view of the state which isolate | separated the interstitial trunk part makeup | decoration face material. Fig. (A) is a perspective view showing the trunk difference water stop plate and the foam resin heat insulating material for the inter-story corners in a separated state, and Fig. (B) shows the end of the trunk difference water stop plate at the inter-story corner. It is a perspective view of the state inserted in the cut | notch part of the foaming resin heat insulating material. It is the cross-sectional side view which looked at the water stop structure part from the side of one outer wall part. FIG. 2A is a cross-sectional view taken along the line II of FIG. 3, and FIG. 2B is a cross-sectional view taken along the line II-II of FIG. The water stop structure of 2nd Embodiment is shown, and it is a perspective view of the state which isolate | separated the interstitial trunk part makeup | decoration face material. FIG. (A) is a perspective view showing the trunk difference water stop plate and the foamed resin heat insulating material below the floor in a separated state. It is the cross-sectional side view which looked at the water stop structure part from the side of one outer wall part. 7A is a cross-sectional view taken along the line III-III in FIG. 7, and FIG. 7B is a cross-sectional view taken along the line IV-IV in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... One outer wall part 2 ... The other outer wall part 3 ... Interstory trunk difference part 7 ... Upstairs foamed resin heat insulating material 8 ... Downstairs foamed resin heat insulating material 9 ... Trunk difference part water stop board (Torre difference part water stop material )
DESCRIPTION OF SYMBOLS 14 ... Foam resin heat insulating material 15 ... Foam resin heat insulating material 16 for floor corners ... Vertical joint 17 ... Joint water stop material 18 ... Cut part 21 ... Joint processing part 22 ... Support part

Claims (4)

The outer wall is composed of a foam resin heat insulating material behind the outer wall material,
The interstitial gap part of one outer wall part sandwiching the outer wall corner is adjacent to the general part of the other outer wall part sandwiching the corner part,
In the interstory trunk difference part of the one outer wall part, a trunk difference part water-stopping material is installed so as to pass over the foamed resin heat insulating material below the upper floor,
On the one outer wall side, a foam resin heat insulating material for inter-story corners is interposed between the water stop material and the outer wall corners,
A joint water-stopping material is installed on a vertical joint formed between the foam resin heat insulating material for the inter-floor corner and the foam resin heat insulating material on the other outer wall, A water stop structure at the corner of the outer wall where the other part of the torso is the general part.   The body difference portion waterstop material is formed of a plate-like material, and an end portion of the body difference portion waterstop plate is inserted into a cut portion provided in the foamed resin heat insulating material for the inter-story corner, The water stop structure according to claim 1, wherein is continuous in a water stop state. The outer wall is composed of a foam resin heat insulating material behind the outer wall material,
The interstory trunk difference part of one outer wall part sandwiching the outer wall corner is adjacent to the general part of the other outer wall part sandwiching the corner part,
In the interstory trunk difference part of the one outer wall part, a trunk difference part water stop plate is installed so as to pass over the foamed resin heat insulating material below the upper floor,
A joint processing portion for forming a vertical joint between the other outer wall portion and the foamed resin heat insulating material is provided at an end of the trunk difference waterstop, and the joint processing portion and the other joint A water-stopping structure at the corner of the outer wall, one of which is the inter-floor trunk part and the other is a general part, characterized in that a joint water-stopping material is installed at the vertical joint between the outer wall and the foamed resin insulation. .   The outer wall according to claim 3, wherein the joint processing portion of the trunk difference water stop plate includes a support portion that supports the joint waterproof material from behind. Water stop structure at the corner.

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