JP2017223056A - building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To implement efficient water cutoff in a building including an inter-story part at which an arm is made to project from a joint part to the outdoor.SOLUTION: A building includes an inter-story part 1 at which an arm 11 is made to project from a joint part 12 to the outdoor. The joint part 12 of the inter-story part 1 at which the arm 11 is provided, comprises: an inter-story draining board 5 for draining water at the inter-story part 1; and a joint side draining board 6 including a connection part 6a connected to the inter-story draining board 6 and a projection cover 6b covering around the root side of the arm 11. The joint side draining board 6 is separated into an upper side structure part 61 and a lower side structure part 62. The projection cover 6b's part of the lower side structure part 62 enters the inside of the projection cover 6b's part of the upper side structure part 61. At the joint part 12 from which the arm 11 projects are provided gaskets 7 vertically segmented at the projection cover 6b's position.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a building in which arms are projected from a joint part to the outside in an interstory part.

  In Patent Document 1, a vertical groove that opens downward and can be inserted into the base end of the arm wall protruding from the vertical joint has a bottom plate portion formed substantially at the center, an upper edge of the bottom plate portion, and An upper frame part and both left and right frame parts that protrude forward from the left and right side edges with substantially the same size, and a front plate part that extends outward substantially parallel to the bottom plate part from the front edge of each frame part; A sealing aid comprising: is disclosed.

JP 2005-336715 A

  However, since the conventional technique uses a sealing auxiliary material, there is a problem that efficient water stoppage cannot be realized for a building in which arms are projected from the joints to the outside in the interstory.

  In view of the above circumstances, an object of the present invention is to achieve efficient water stoppage for a building in which arms are projected from joints to the outdoors in the interstory.

In order to solve the above-described problem, the building of the present invention is a building in which arms are projected from the joints to the outside in the interfloor.
The joint between the floors where the arms are provided is provided with an inter-floor drainage plate and a joint-side drainer for draining at the inter-floor, and the joint-side drainer includes the inter-floor drainer And a protruding cover that covers the periphery of the base side of the arm tree is formed,
The joint draining plate is separated into an upper structure portion and a lower structure portion, and the protruding cover portion of the lower structure portion enters inside the protruding cover portion of the upper structure portion, The overhanging joint is provided with a gasket divided into upper and lower portions at the protruding cover.

  If it is said structure, the said joint side draining board will be isolate | separated into the upper structure part and the lower structure part, and the protrusion cover of the said lower structure part will be inside the part of the protrusion cover of the said upper structure part. Since the portion enters, even if the gasket is divided up and down at the projecting cover at the joint where the arm extends, an effective water stop can be realized without using a sealing material.

  You may make it the lower part of the upper part part of the said gasket locate in the outdoor side of the upper end part of the said joint side draining board. According to this, it can prevent that the water which flows down the said gasket wraps around the back side (indoor side) of the said joint side draining board.

  In the interstory part where the arm is provided, a part of the gasket on the outdoor side may be separated and excised. According to this, a trunk | drum difference surface material can be arrange | positioned appropriately in the said floor part.

  The lower end portion of the joint-side draining plate may be formed with a riding portion that rides on the outdoor side of the end portion of the remaining portion where the part of the lower dividing portion of the gasket is separated and excised. According to this, the water which flows down the said joint side draining board can be dropped to the outdoor side of the location of the remaining part of the said gasket.

  In the interstory where the arms are provided, at least the lower end side of the interstory draining plate and the joint side draining plate may overlap the waterproof sheet. According to this, water stop at least at the lower end side of the interfloor drainage plate and the joint side drainage plate is ensured by the waterproof sheet.

  In the interstory part where the arm is not provided, the lower side of the upper floor wall part and the upper side of the lower floor wall part may be close to each other so that the trunk difference face material is not disposed.

  A water stop surface portion is formed on the side of the outer wall surface material as the joint side draining plate at the joint portion of the boundary between the trunk difference surface material and the outer wall surface material arranged in the interstices where the arm is provided. A joint draining plate for the boundary is provided, and a contact portion that contacts the gasket is formed on the base member of the outer wall surface material. You may make it contact the water stop member provided in the water stop surface part. According to this, even in the joint portion at the boundary between the trunk difference surface material and the outer wall surface material arranged in the interstory where the arm is provided, an effective water stop is realized without using a sealing material. be able to.

  If it is this invention, there exists an effect that an effective water stop can be implement | achieved about the building which made the arm protrude from the joint part to the outdoors in an interstory part.

It is explanatory drawing which showed the floor part of the building concerning embodiment of this invention by the front view. It is explanatory drawing which showed the floor part of the building concerning embodiment of this invention by the front view, the side view, and the longitudinal cross-sectional view of the side surface. It is explanatory drawing which showed the joint side floor draining board used in the floor part of the building of FIG. 1, Comprising: The figure (A) is a front view, The figure (B) is a side view. FIG. 2 is a schematic cross-sectional view showing a relationship between an inter-story part of the building of FIG. It is explanatory drawing which showed the location by which the joint side draining board for boundaries in the corner part of the floor part of the building of FIG. 1 is provided by the front view. FIG. 6 is a schematic cross-sectional view showing the relationship between the inter-floor portion of the corner portion of the building of FIG. 5 and the outer walls of the upper and lower floors. It is explanatory drawing which showed the joint joint side floor draining board for the boundary used in the floor part of the building of FIG. 5, Comprising: The same figure (A) is a front view, The same figure (B) is a side view. FIG. 7 is a schematic cross-sectional view enlarging a part of FIG. 6. It is explanatory drawing which showed the outline of the boundary part in the corner part of the floor part of the building of FIG.

Embodiments of the present invention will be described below with reference to the accompanying drawings.
FIG. 1 shows a floor 1 of a building according to this embodiment, wall portions 2 and 2A on the upper floor, and wall portions 3 and 3A on the lower floor. This building has a structure in which the arm 11 protrudes from the joint portion 12 to the outside in the inter-floor portion 1. Further, in this building, there is an interstitial part where the arm 11 is not provided in the lateral part of the interstory part 1 where the arm 11 is provided. In the inter-floor portion where the arm 11 is not provided, the upper floor wall portion 2A and the lower floor wall portion 3A are provided, and the lower side of the upper floor wall portion 2A and the upper floor wall portion 3A are provided. The sides are close to each other to form a horizontal joint 23. On the other hand, in the interstory part 1 in which the arm 11 is provided, the lower end of the upper floor wall part 2 is positioned above the interstory part 1, and the upper end of the lower floor wall part 3 is the interstory part 1. Located on the lower side.

  As shown also in FIG. 2, the joint part 12 of the interstory part 1 in which the said arm 11 is provided is provided with the floor draining board 5 and the joint side draining board 6 which drain the water in the interstory part 1. Yes. The joint-side draining plate 6 has a connecting portion 6a connected to the inter-floor draining plate 5 with a screw or the like and a protruding cover 6b covering the periphery of the base side of the arm 11. Further, the joint draining plate 6 is disposed on the outdoor side of the interstory draining plate 5. In addition, a gasket 7 is provided on the joint portion 12 where the arm 11 protrudes, and is divided in the vertical direction at the protruding cover 6b.

  As shown in FIGS. 3A and 3B, the joint draining plate 6 is separated into an upper structure portion 61 and a lower structure portion 62, and the upper structure portion 61 protrudes. A portion of the cover 6b is formed on the lower side, and in the lower structure portion 62, a portion of the protruding cover 6b is formed on the upper side. The said part of the protrusion cover 6b is joined to the upper structure part 61 and the lower structure part 62, respectively, by welding, for example. Of course, this joint is preferably a waterproof joint.

  The protruding cover 6b portion of the lower structure portion 62 is inserted inside the protruding cover 6b portion of the upper structure portion 61. Specifically, the protruding cover 6b portion of the upper structure portion 61 has an inverted U shape having an opening on the lower side, and the protruding cover 6b portion of the lower structure portion 62 has an opening on the upper side. It has a substantially U shape. The outer width of the projecting cover 6b portion of the lower structure portion 62 is narrower than the inner width of the projecting cover 6b portion of the upper structure portion 61. Further, the upper structure portion 61 and the lower structure portion 62 are assembled in a state where the lower end of the upper structure portion 61 is overlapped on the outdoor side of the upper end of the lower structure portion 62.

  In addition, at the joint portion 12, the lower part of the upper dividing portion of the gasket 7 is located on the outdoor side of the upper end portion of the joint-side draining plate 6. In addition, in the part which is not the said joint part 12, as shown in FIG. 2, the lower side site | part of the base part 21 of the wall part 2 of an upper floor is located in the outdoor side of the upper end part of the said floor draining board 5. As shown in FIG. ing.

  Moreover, in the interstory part 1 in which the said arm 11 is provided, a part of the outdoor side in the said gasket 7 is separated and excised. The gasket 7 includes a primary gasket portion 71 that bears the water stop of the outdoor primary region in the joint portion 12, and a secondary gasket portion that bears the water stop of the indoor secondary region in the joint portion 12. 72. In the interfloor portion 1, the primary gasket portion 71 is separated and cut out as a part of the gasket 7 on the outdoor side. Moreover, the trunk | drum difference surface material 15 is provided appropriately in the said floor part 1 by the said primary gasket part 71 being separated and excised.

  In addition, a bent portion that protrudes in the direction toward the outdoor side is formed at the lower ends of the inter-floor draining plate 5 and the joint-side draining plate 6, and the inter-floor draining plate 5 and the joint-side draining plate 6 The place of the said bending part is located so that the outdoor side of the upper part of the base part 31 of the wall part 3 of the lower floor may be covered.

  In addition, a lower end portion of the joint-side draining plate 6 is formed with a riding portion 6c (see also FIG. 2) that further bulges to the outdoor side at the bent portion. The riding part 6c is positioned so as to ride on the outdoor side of the end of the remaining part (secondary gasket part 72) from which the part (primary gasket part 71) of the lower part of the gasket 7 is separated and cut off. doing.

  For example, as shown in FIG. 4, the wall 2 (3) includes an outer wall surface material 202, a vertical trunk edge 203, a plate material (glass wool plate or the like) 204 serving as a base portion, and the outer wall surface material 202. And a frame 205 serving as a support member to which the frame is attached. The vertical trunk edge 203 is located on the back side (indoor side) of the outer wall surface material 202, and the plate material 204 is located on the back side (indoor side) of the vertical trunk edge 203. In FIG. 4, the primary gasket portion 71 of the gasket 7 is indicated by a two-dot chain line, and the secondary gasket portion 72 is indicated by a dotted line.

  The vertical trunk edge 203 and the plate member 204 are fixed to the frame 205 by nails (not shown). The plate member 204 is provided with a resin pin 206 for preventing sinking, and the plate member 204 is prevented from sinking when the nail is driven into the vertical trunk edge 203. An engagement hole (not shown) is formed on the back surface of the outer wall surface material 202. A back surface fixing screw (not shown) is screwed into the frame 205, and the outer wall surface material 202 is supported by the frame 205 by engaging the protruding head of the back surface fixing screw with the engagement hole. The

  And in the floor part 1 where the said arm 11 is provided, the upper side and the lower side of the said floor draining board 5 have overlapped with the waterproof sheets 22 and 32, respectively. The waterproof sheets 22 and 32 are sheets that cover the plate member 204. In addition, the said waterproof sheets 22 and 32 may have a property which permeate | transmits moisture.

  Further, as shown in FIGS. 5, 6, and 7, the body difference face material 15 disposed in the floor portion 1 where the arm 11 is provided, and the outer wall surface material 202 of the wall portions 2 </ b> A and 3 </ b> A in the corner portion, The boundary joint portion 12 is provided with a boundary joint draining plate 6 </ b> A as the joint joint draining plate 6.

  On the joint side draining plate 6A for the boundary, a water stop surface portion 6d is formed in the vicinity of the protruding cover 6b on the outer wall surface material 202 side. The water blocking surface portion 6d has, for example, a substantially L-shaped cross section including a rising portion that rises toward the outdoor side and a bent portion that is bent in the in-plane direction of the wall surface at the distal end side of the rising portion.

  A base member 202 a of the outer wall surface material 202 in the corner portion has a contact portion 202 b that comes into contact with the gasket 7. The contact portion 202b is configured to sandwich a sheet-like water-stopping tape (water-stopping member) 8 provided on the water-stop surface portion 6d between the water-stop surface portion 6d at the vertically divided portion of the gasket 7. .

  For example, as shown in FIGS. 8 and 9, the base member 202a is fixed to the corner frame 2021 with screws or the like. A gap portion having a substantially L shape is formed between the water stop surface portion 6d having a substantially L shape and the contact portion 202b, and the water stop tape is formed in the gap portion having the substantially L shape. 8 is provided in a substantially L shape. The waterstop tape 8 is a sealing material made of foamed rubber mainly composed of EPDM rubber, for example.

  If it is said structure, the said joint side draining board 6 (6A) will be isolate | separated into the upper structure part 61 and the lower structure part 62, and the said inside will be inside the part of the protrusion cover 6b of the said upper structure part 61. Since the protruding cover 6b portion of the lower structure portion 62 enters, even if the gasket 7 is vertically divided at the protruding cover 6b in the joint portion 12 where the arm 11 projects, without using a sealing material. Efficient water stop can be realized.

  When the lower part of the upper dividing portion of the gasket 7 is located on the outdoor side of the upper end of the joint-side draining plate 6 (6A), the water flowing down the gasket 7 is behind the joint-side draining plate 6 It is possible to prevent wrapping around the inside.

  When a part of the outdoor side of the gasket 7 is separated and cut in the interstory part 1 where the arm 11 is provided, the trunk difference face material 15 can be appropriately disposed in the interstory part 1.

  At the lower end of the joint-side draining plate 6 (6A), there is a riding portion 6c that rides on the outdoor side of the end of the remaining portion where the part of the lower part of the gasket 7 is separated and cut off. The water flowing down the joint side draining plate 6 (6A) can be dropped to the outdoor side of the remaining portion of the gasket 7.

  In the interstory part 1 where the arm 11 is provided, when the at least lower end side of the interstory draining plate 5 and the joint side draining plate 6 overlaps the waterproof sheet 32, the interstory draining plate 5 and the joint The waterproof sheet 32 ensures water stopping at least on the lower end side of the side draining plate 6.

  In the interstory part where the arm 11 is not provided, as described above, the lower side of the upper floor part 2A and the upper side of the lower part wall part 3A are located close to each other, and the trunk difference face material 15 is disposed. It may not be done. In addition, the joint wall draining plate 6 is used as the joint wall draining plate 6 at the joint portion of the boundary between the trunk difference member 15 and the outer wall member 202 disposed in the interstory part 1 where the arm 11 is provided. A joint joint draining plate 6A may be provided in which a water stop surface portion 6d is formed on the side. In such a structure, a contact portion 202b that contacts the gasket 7 is formed on the base member 202a of the outer wall surface material 202, and the contact portion 202b is located at the upper and lower part of the gasket 7 and is stopped. In contact with the waterproofing tape 8 provided on the water surface portion 6d, also in the joint portion 12 at the boundary between the trunk difference surface material 15 and the outer wall surface material 202 disposed in the interfloor portion 1 where the arm 11 is provided, Efficient water stopping can be realized without using a sealing material.

  As mentioned above, although embodiment of this invention was described with reference to drawings, this invention is not limited to the thing of embodiment shown in figure. Various modifications and variations can be made to the illustrated embodiment within the same range or equivalent range as the present invention.

1: Interstitial part 2: Wall part 2A: Wall part 3: Wall part 3A: Wall part 5: Interstitial draining board 6: Joint side draining board 6A: Border joint side draining board 6a: Connection part 6b: Projection cover 6c: Upper part 6d: Water stop surface part 61: Upper structure part 62: Lower structure part 7: Gasket 71: Primary gasket part 72: Secondary gasket part 8: Water stop tape (water stop member)
DESCRIPTION OF SYMBOLS 11: Arm 12: Joint part 15: Torso difference face material 22: Waterproof sheet 23: Horizontal joint 32: Waterproof sheet 202: Outer wall surface material 202a: Base member 202b: Contact part 203: Vertical trunk edge 204: Plate material 2021: Corner frame

Claims (7)

In the building where the arms protrude from the joints to the outdoors in the interfloor,
The joint between the floors where the arms are provided is provided with an inter-floor drainage plate and a joint-side drainer for draining at the inter-floor, and the joint-side drainer includes the inter-floor drainer And a protruding cover that covers the periphery of the base side of the arm tree is formed,
The joint draining plate is separated into an upper structure portion and a lower structure portion, and the protruding cover portion of the lower structure portion enters inside the protruding cover portion of the upper structure portion, A building characterized in that a gasket is divided up and down at the projecting cover portion on the overhanging joint.   The building according to claim 1, wherein a lower portion of the upper dividing portion of the gasket is located on an outdoor side of an upper end portion of the joint-side draining plate.   The building according to claim 1 or 2, wherein a part of the gasket on the outdoor side is separated and cut off at an interstory where the arm is provided.   The building according to claim 3, wherein the lower end portion of the joint-side draining plate is formed with a ride-up portion that rides on the outdoor side of the end portion of the remaining portion where the part of the lower part of the gasket is separated and cut off. Building characterized by being.   The building according to any one of claims 1 to 4, wherein at least the lower end side of the interfloor drainage plate and the joint side drainage plate overlaps with the waterproof sheet in the interstory portion where the arm is provided. And a building.   The building according to any one of claims 1 to 5, wherein the lower part of the upper floor part and the upper part of the lower part of the wall part are adjacent to each other in the interstory part where the arm is not provided. A building characterized by the fact that no differential material is placed.   The building according to claim 6, wherein the outer wall surface material is used as the joint-side draining plate at a joint portion of a boundary between the trunk difference surface material and the outer wall surface material arranged in an interfloor portion where the arm is provided. A joint-side draining plate for boundary in which a water stop surface portion is formed on the side of the outer wall material, and a contact portion that contacts the gasket is formed on the base member of the outer wall surface material. The building which contacts the water stop member provided in the said water stop surface part in the up-and-down division part of the said gasket.

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