JP2011094305A - Curved wall structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a curved wall structure which can form a curved wall without the need for a special member and which can flexibly adapt to a variety of curvature radii. <P>SOLUTION: This curved wall structure includes: a plurality of columns 4 which are arranged at intervals on a curved line C with a predetermined curvature radius R; a plurality of pieces of structural plywood 5, which have inner surfaces of both ends fixed to outer surfaces of the adjacent columns 4, respectively; furring strips 6 which have outer surfaces of both ends of the structural plywood 5 fixed to the columns 4 in such a manner as to be pressed against them; and a plurality of siding materials 7 which are arranged with a gap X equivalent to the thickness of the furring strips 6 from the structural plywood 5 by fixing both ends to the furring strips 6. A joint portion 13 between the respective adjacent siding materials 7 is filled with a putty material 14. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to a wall structure of a building, and more particularly to a curved wall structure that forms an approximate curved surface.

  In recent years, buildings with curved walls have been constructed along with the diversification of housing design. As such a curved wall, for example, as in Patent Document 1, a plurality of curved outer wall panels having a curved surface on the outside and a flat surface on the frame side are attached to the ground frame, and the ground frame is further attached to the frame of the building unit. There is one that forms a curved wall by attaching it to (see, for example, Patent Document 1). Since such a curved wall uses a curved outer wall panel having a curved outer surface, the appearance can be formed into a beautiful curved surface.

Japanese Patent Laid-Open No. 08-158513

  However, in the curved wall of Patent Document 1, it is necessary to use a special outer wall panel in which the outer side is formed into a curved surface, which increases the cost. Moreover, in this curved wall, since the shape of the outer wall formed by the curvature of an outer wall panel will be determined, the curvature of a curved wall cannot be changed flexibly.

  The present invention has been made in view of the various problems as described above, and can form a curved wall without requiring a special member, and can flexibly cope with various radii of curvature. An object of the present invention is to provide a curved wall structure that can be used.

  In order to achieve the above object, the curved wall structure according to claim 1 includes a plurality of columns arranged at intervals on a curve having a predetermined radius of curvature, and inner surfaces of both ends on the outer surface of the adjacent columns. A plurality of structural plywood, each of which is fixed, a body edge fixed by pressing the outer surfaces of both ends of the structural plywood against the pillar, and the structural plywood by fixing both ends to the body edge And a plurality of siding materials arranged with gaps corresponding to the thickness of the trunk edge, and the joint portions of the adjacent siding materials are filled with putty materials.

  The curved wall structure according to claim 2 is characterized in that a moisture-permeable waterproof sheet is stretched on the outer surface of the structural plywood.

  The curved wall structure according to claim 3 is characterized in that the pillar is a laminated pillar formed by joining at least two 2 × 4 (two-by-four) materials.

  The curved wall structure according to claim 4 is characterized in that the radius of curvature is 5500 mm or more.

  According to the curved wall structure of claim 1, a plurality of columns are arranged at intervals on a curve having a predetermined radius of curvature, the structural plywood is fixed to the outer surface of the columns, and the structural plywood A siding material is disposed on the outside via a trunk edge. Therefore, it is possible to easily form a curved wall corresponding to various curved surfaces by changing the curvature radius of the curve in which the columns are arranged. In addition, since the curved wall can be formed using a member that is usually used without using a special member or the like, the cost can be reduced.

  According to the curved wall structure of the second aspect, the moisture permeable waterproof sheet is stretched on the outer surface of the structural plywood. This improves the moisture permeability and waterproofness in the ventilation gap formed between the structural plywood and the siding material via the trunk edge, and suppresses the generation of condensed water etc. in the ventilation gap, thereby reducing the curved wall The durability of the structure can be improved.

  According to the curved wall structure of the third aspect, since the plurality of columns arranged on the curve are all the alignment columns formed by joining 2 × 4 (two-by-four) materials having standard dimensions. The cost can be further reduced. Moreover, since design and assembly can be performed with standard dimensions, work efficiency can be improved.

  According to the curved wall structure of the fourth aspect, by making the radius of curvature of the curve for arranging the columns 5500 mm or more, a smoother approximate curved surface is formed, so that the appearance of the appearance can be improved.

It is a schematic perspective view which shows an example of the external appearance of the building where the curved wall structure concerning this invention is utilized. It is a schematic perspective view which shows an example of the curved wall structure which concerns on this invention. It is a schematic plane sectional view showing an example of a curved wall structure according to the present invention. FIG. 4 is a partially enlarged plan sectional view in FIG. 3. It is a schematic side sectional view showing an example of a curved wall structure according to the present invention. It is a schematic perspective view which shows an example of the curved wall structure in the case of having an opening part below. It is a schematic side sectional view showing an example of a curved wall structure in the case of having an opening below.

  The curved wall structure according to the present invention will be described below with reference to the drawings.

  The curved wall structure according to the present invention is used for a part of a wall structure such as a building 100 as shown in FIG. 1, and the structure of the curved wall 1 is formed by a frame wall method (two-by-four method). Is.

  2 to 4, the curved wall 1 is provided on a base 3 fastened to the foundation 2 using anchor bolts (not shown), and is disposed on a curve C having a predetermined radius of curvature R. And a plurality of structural plywoods 5 to which inner surfaces of both end portions in the width direction are attached to the outer surfaces of adjacent mating columns 4, and a body edge 6 fixed to the outer surface of the structural plywood 5. And a plurality of siding members 7 disposed therebetween.

  The alignment column 4 is formed by joining two vertically long 2 × 4 (two-by-four) members 8 with, for example, a nail 9 as shown in FIG. As shown in FIG. 2, the lower end of the alignment column 4 is placed and fixed on the lower frame 10, and the upper end is connected by the upper frame 11. The respective alignment pillars 4 configured in this way are arranged at intervals so that the centers thereof are located on a curve C having a predetermined radius of curvature R. In this embodiment, it arrange | positions so that the distance D between the centers of the adjacent alignment pillars 4 may be set to 455 mm. The curvature radius R of the curve C is preferably set to 5500 mm or more, for example. Thereby, since the angle which the siding material 7 which faces the outdoor side and adjoins becomes large, an external appearance can be approximated to a smoother curved surface shape.

  In the present embodiment, the description is made using an example in which two 2 × 4 materials 8 are joined to each other, and four 2 × 4 materials 8 are provided in order to improve the strength. You may make it form an alignment column using.

  As shown in FIGS. 3 and 4, the both ends of the structural plywood 5 are nailed so that the both ends in the width direction of the structural plywood 5 and the center in the width direction of the alignment column 4 substantially coincide with each other. Are attached to the outer surface of the pillar 4. The structural plywood 5 is obtained by laminating a plurality of thinly sliced single plates with an adhesive or the like. By attaching the structural plywood 5 to each of the adjacent alignment pillars 4, a plurality of structural plywoods are obtained. The outer surface shape formed by 5 draws a shape that approximates a curved surface. At this time, since both ends of the structural plywood 5 are slightly bent and attached to the alignment column 4, it is preferable to use a structural plywood that is easily bent but has a strong strength against bending.

  A moisture permeable waterproof sheet 12 is stretched on the outer surface of the structural plywood 5. The moisture-permeable waterproof sheet 12 is stretched on the structural plywood 5 by, for example, stapling or an adhesive. The moisture-permeable waterproof sheet 12 is a waterproof and moisture-permeable sheet, and for example, Tyvek (registered trademark) or the like is used. As a result, the moisture permeability and waterproofness in the ventilation gap X formed between the structural plywood 5 and the siding material 7 are improved, the generation of condensed water in the ventilation gap X is suppressed, and rainwater and the like enter the inside. Therefore, the durability of the curved wall structure can be improved.

  Further, on the outer surfaces of both ends of the structural plywood 5 on which the moisture permeable waterproof sheet 12 is stretched, a longitudinally long trunk edge 6 is formed so that the structural plywood 5 is attached to the alignment column 4 as shown in FIG. Each is fixed by a nail 9 or the like so as to be pressed. The structural plywood 5 can be firmly fixed to the outer surface of the mating column 4 by the nails 9 extending from the body edge 6 to the inside of the structural plywood 5 and the mating column 4. A siding material 7 is attached to the outer surface of the trunk edge 6 by a fixing tool (not shown) such as a nail or a screw with a ventilation gap (gap) X formed by the trunk edge 6.

  As shown in FIGS. 2 and 3, the siding material 7 is arranged on the outdoor side so as to be adjacent to each other. Since the adjacent siding members 7 have a slight angle according to the radius of curvature R, the joint portion 13 is formed so as to spread slightly toward the outdoor side as shown in FIG. The joint portion 13 is filled with a putty material 14 so as to substantially coincide with the outer surface of each adjacent siding material 7, and is subjected to a so-called coking process. As a result, in addition to preventing intrusion of rainwater, when the outer surface of the siding material 7 is viewed from the outdoor side, the outer surface shape draws a shape that approximates a smooth curved surface, so that the appearance of the appearance is improved. Can be improved.

  In addition, a heat insulating material 15 having a function of thermally blocking the outdoor side and the indoor side is tightly fixed to the inner surface of the structural plywood 5 attached to the outer surface of the alignment column 4. Examples of the heat insulating material 15 include inorganic fiber heat insulating materials such as glass wool and rock wool, beaded polystyrene foam, extruded polystyrene foam, rigid urethane foam, and foamed plastic heat insulating materials such as phenol foam, cellulose fiber, and wool heat insulating material. Natural heat insulating materials such as carbonated foam cork are appropriately used according to the purpose. In addition, the thickness of this heat insulating material 15 should just have the thickness which has the required heat insulation performance, and is not specifically limited.

  Moreover, as shown in FIGS. 3 and 4, in this embodiment, the structural plywood 5 is fixed to the indoor side which is the inner surface of the alignment column 4 by the nail 9 or the like, and is fixed to the outer surface by the nail 9 or the like. Although an example in which a plurality of siding materials 7 are disposed via the trunk edge 6 is shown, the interior material may be directly attached to the inner surface of the alignment column 4 when the indoor side hits the room. .

  In the curved wall structure according to the present embodiment, as shown in FIG. 1, the curved wall structure can also be used when a veranda portion Y is provided on the upper side or an opening Z is provided on the lower side. As shown in FIGS. 2 and 5, when the veranda portion Y is provided on the upper side, the side joists 16 are provided on the upper surface of the upper frame 11 to which the upper ends of the alignment posts 4 are connected, and the structure of the building 100 is provided. A plurality of other ends of the floor joists 17 whose one ends are supported are fixed so as to be parallel to the side joists 16 so as to extend in a substantially vertical direction, that is, in a horizontal direction.

  As shown in FIG. 5, a floor structural plywood 18 is provided above the plurality of floor joists 17, and a tile 20 or the like serving as the floor of the veranda portion Y is laid on the upper surface thereof via a base material 19. It is. Moreover, the recessed part 21 is formed in the edge part by the side of the curved-wall 1 of the floor where the tile 20 is laid, in order to drain the rainwater etc. which accumulated on the veranda part.

  Further, as shown in FIG. 5, a lower frame 10a is fixed above the side joists 16, and the alignment post 4 is arranged with its lower end connected to the lower frame 10a. Further, the upper end of the alignment post 4 is connected to the upper frame 11a, and the structural plywood 5 is fixed to the outer surface of the alignment post 4 by a nail or the like not shown in the same manner as described above. A siding material 7 is provided via a barrel edge 6 to be fixed. Similarly, in the indoor structure, a structural plywood 5 is attached to the inner surface of the alignment column 4, and a siding material 7 is provided via a trunk edge 6.

  As shown in FIG. 5, a headboard 22 is attached to the upper ends of the structural plywood 5, the trunk edge 6, the siding material 7, and the upper frame 11 a connected to the upper end of the alignment column 4. The curved wall 1 above the side joist 16 thus configured serves as a fence for the veranda portion Y. Therefore, by having such a curved wall structure, the outer periphery of the veranda portion Y can also be formed in a curved shape, so that it is possible to design with better design.

  Further, as shown in FIGS. 6 and 7, in the curved wall 1 having the opening Z on the lower side, the upper surface of the lower frame 23 whose end is supported by the portion not having the opening Z is shown. A plate member 24 that is long in the lateral direction is provided on the indoor side, and a plurality of packing members 25 are attached to the outer surface of the plate member 24 at a predetermined interval. A plurality of alignment pillars 4 are arranged above the packing material 25 and the plate material 24 at a predetermined interval, and a horizontally long spacer 26 is attached to the outer surface of the alignment pillar 4 and the packing material 25 by a nail or the like (not shown). It has been.

  A structural plywood 5 is attached to the outer surface of the spacer 26, and a siding material is disposed via a trunk edge 6 provided on the outer surface of the structural plywood 5. Therefore, the curved wall 1 having the opening Y has a thickness larger than that of the portion not having the opening Y by the amount of the spacer 26. Therefore, the upper frame 27 connecting the lower frame 23 and the upper end of the alignment column 4 is It is formed so as to correspond to the shape. Similarly, the headboard 28 covering the upper frame 27 is formed to correspond to the thickness of the curved wall 1. A drainer 29 is attached to the lower end of the siding material 7 disposed on the outdoor side, and a siding material 30 is attached to the lower surface of the lower frame 23. By providing the spacer 26 on the outer surface of the alignment column 4 in this way, the curved surface shape and the thickness of the curved wall can be easily changed.

  Note that the embodiment of the present invention is not limited to the above-described embodiment, and it is needless to say that the embodiment can be appropriately changed without departing from the scope of the idea of the present invention.

  The curved wall structure according to the present invention can be effectively used as a wall structure for forming the appearance of a building in a curved shape.

DESCRIPTION OF SYMBOLS 1 Curved wall 4 Alignment pillar 5 Structural plywood 6 Trunk edge 7 Siding material 8 2 * 4 (two-by-four) material 12 Moisture permeable waterproof sheet 13 Joint part 14 Putty material C Curve R Radius of curvature X Air gap (gap)

Claims (4)

A plurality of columns spaced apart on a curve having a predetermined radius of curvature;
A plurality of structural plywood in which inner surfaces of both end portions are respectively fixed to outer surfaces of adjacent pillars;
A body edge fixed so as to press the outer surfaces of both ends of the structural plywood against the pillar;
A plurality of siding materials disposed with a gap corresponding to the thickness of the trunk edge from the structural plywood by fixing both ends to the trunk edge,
A curved wall structure, wherein putty materials are filled in joint portions of the adjacent siding materials.   The curved wall structure according to claim 1, wherein a moisture-permeable waterproof sheet is stretched on an outer surface of the structural plywood.   The curved wall structure according to claim 1, wherein the pillar is a laminated pillar formed by joining at least two 2 × 4 (two-by-four) materials. The curved wall structure according to any one of claims 1 to 3, wherein the radius of curvature is 5500 mm or more.

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