JP2020045750A - Box type architectural unit and architecture - Google Patents

Abstract

To provide a box type architectural unit capable of having a wide opening, and an architecture using the same.SOLUTION: In a box type architectural unit in which a wall surface, a ceiling surface and a floor surface are formed by CLT panels 10, 11, 12, 13, an opening 18 is formed by being enclosed by a pair of wall parts consisting of the CLT panels 12, 13 arranged on both left and right sides respectively and a reinforcement beam part consisting of the CLT panel 11 suspended over the pair of wall parts. A strength as a wall surface is compensated by the pair of wall parts consisting of the CLT panels 12, 13 and the reinforcement beam part consisting of the CLT panel 11 suspended over the pair of wall parts, thereby a wide opening 18 can be taken.SELECTED DRAWING: Figure 2

Description

  TECHNICAL FIELD The present invention relates to a box-shaped building unit formed by a panel (CLT panel) made of an orthogonal laminated plate (CLT) and a building using the same.

  An orthogonal laminated plate (CLT (Cross Laminated Timer)) is a panel laminated and bonded so that the fiber directions of the plate are orthogonal to each other in each layer. Because CLT panels are orthogonally laminated, they are more stable, less deformable, have a strength comparable to concrete, and are superior in heat insulation, compared to glulam used for building materials. There are features.

  Conventionally, a housing structure using this CLT panel has been proposed. For example, Patent Literature 1 describes that a box-shaped panel such as two or more CLT panels is disposed so as to be supported by its own weight, and a building is constructed without using a special connecting tool. Further, Patent Document 1 describes that a window is provided as an opening or an entrance is provided in a part of a side wall box-shaped panel forming a side wall.

Japanese Patent No. 6271061

  As described above, Patent Literature 1 describes that an opening is provided in a part of the side wall box-shaped panel forming the side wall. However, these openings are provided on the side wall box-shaped panel such as a window and an entrance. It is merely provided so as to cut out a small opening. The building of Patent Literature 1 enables the building to be constructed without using a special connecting tool by arranging the box-shaped panels in a well-balanced manner. However, it is necessary that the strength does not greatly differ from the strength of the other box-shaped panel for the side wall.

  In view of the above, an object of the present invention is to provide a box-type building unit capable of widening an opening and a building using the same.

  A box-type building unit of the present invention is a box-type building unit in which a wall surface, a ceiling surface, and a floor surface are formed by CLT panels, and at least one of the wall surfaces is composed of CLT panels provided on both left and right sides, respectively. It has an opening surrounded by a pair of wall portions and a reinforcing beam portion composed of a CLT panel bridged between the pair of wall portions.

  A box-type building unit according to the present invention is a box-type building unit in which a wall surface, a ceiling surface, and a floor surface are formed by CLT panels. And a reinforcing beam portion formed of a CLT panel bridged between the pair of wall portions, and the strength as a wall surface is formed between the pair of wall portions formed of the CLT panel and the pair of wall portions. Since it is covered by the reinforcing beam portion composed of the bridged CLT panel, the opening can be widened.

  ADVANTAGE OF THE INVENTION According to this invention, an opening part is taken widely and a box-type building unit excellent in workability is obtained.

It is a perspective view of a box-type building unit in an embodiment of the invention. It is a front view of the box-type building unit of FIG. FIG. 3 is a left side view of FIG. 2. FIG. 4 is an exploded perspective view of a joint part of the CLT panel in which an IV part of FIG. 1 is enlarged. It is a perspective view of a joining member. FIG. 6 is an exploded perspective view of the joining member of FIG. 5. It is a top view of the joining member of FIG. It is a front view of the joining member of FIG. It is a bottom view of the joining member of FIG. It is a perspective view of the building using the box-shaped building unit of FIG. It is a side view of the building of FIG. It is sectional drawing of the connection part of the XII part of FIG. It is a perspective view of the connection part of FIG. FIG. 14 is an exploded perspective view of FIG. 13.

  1 is a perspective view of a box-type building unit according to an embodiment of the present invention, FIG. 2 is a front view of the box-type building unit of FIG. 1, FIG. 3 is a left side view of FIG. 2, and FIG. FIG. 5 is an exploded perspective view of the joining member of the CLT panel in which the IV part is enlarged, FIG. 5 is a perspective view of the joining member, FIG. 6 is an exploded perspective view of the joining member of FIG. 5, and FIG. 8 is a front view, and FIG. 9 is a bottom view.

  As shown in FIGS. 1 to 3, the box-type building unit 1 in the embodiment of the present invention includes CLT panels 10, 11, 12, 13, 14, 15, 16, 17,. Are arranged on the surface (the ceiling surface, the floor surface, and the four side wall surfaces), and the adjacent CLT panels 10, 11, 12, 13, 14, 15, 16, 17,... It is formed by doing.

  The orthogonal portion of each surface of this rectangular parallelepiped (box-shaped building unit 1) is such that the front or inner end surface of one (first) CLT panel has the second or third end of the CLT panel. This is a structure in which the front end surface or the front end surface of the second CLT panel is butted and joined so that the front end surface or the front end surface of the second CLT panel is flush. It should be noted that the open end of the CLT panel refers to the longitudinal end surface of the CLT panel, and the open end of the CLT panel refers to the lateral end surface of the CLT panel.

  For example, in the orthogonal portion between the CLT panel 10 on the ceiling surface and the CLT panel 11 on the side wall surface of the box-shaped building unit 1, the tree end surface 11s of the CLT panel 11 with respect to the inner main surface 10i of the CLT panel 10 is CLT panel. The ten wood end surfaces 10s and the outer main surface 11o of the CLT panel 11 are abutted so as to be the same, and are joined by the joining member 2. An orthogonal portion between the CLT panel 10 on the ceiling surface and the CLT panel 15 on the sidewall surface, an orthogonal portion between the CLT panel 13 on the sidewall surface and the CLT panel 14 on the sidewall surface, a CLT panel 16 on the sidewall surface, and a CLT panel 17 on the sidewall surface. The same applies to the orthogonal part. The same applies to the orthogonal portions between the back side CLT panels that do not appear in FIG.

  The joining part by the joining member 2 is such that the outside edge of the first CLT panel is wider on the outside main surface than on the inside edge of the first (first) CLT panel. The second CLT panel is opened, and the inside of the second (or second) CLT panel is wider than the second or front edge of the second CLT panel. It is open.

  For example, as shown in FIG. 4, an opening 10n in which the CLT panel 10 is open to the CLT panel 10 has a wooden end face 10s, an inner main face 10i, and an outer main face 10o, as shown in FIG. The CLT panel 11 has an opening 11n formed by opening the wood end surface 11s, the inner main surface 11i, and the outer main surface 11o. The opening 10n is formed in an inverted isosceles trapezoidal shape in which the upper bottom is longer than the lower bottom as viewed from the tree end surface 10s, that is, the outer main surface 10o of the CLT panel 10 is wider than the inner main surface 10i. . The opening 11n is symmetrical to the opening 10n, and has an isosceles trapezoidal shape in which the upper base is shorter than the lower base when viewed from the outer main surface 11o, that is, the inner side of the CLT panel 11 from the tree end surface 11s side (from the tree end surface 11s). The far side (the lower side in FIG. 4) is formed to be wider. The same applies to the joints at the orthogonal portions of other CLT panels.

  The joining member 2 is a shredded (butterfly joint) joining member having a shape corresponding to the openings 10n and 11n as described above. As shown in FIGS. 5 to 9, the joining member 2 includes a first member 21 having a shape corresponding to the opening 10 n of the CLT panel 10 and a second member 22 having a shape corresponding to the opening 11 n of the CLT panel 11. Consists of The first member 21 and the second member 22 are connected by a bolt 23 and a nut 24. Two bolts 23 are fixed on the plate 25.

  The first member 21 and the second member 22 are formed from CLT. The first member 21 and the second member 22 have shapes corresponding to the openings 10n, 11n. However, the trapezoidal leg portion 21a of the first member 21 and the trapezoidal leg portion 22a of the second member 22 are connected to the outside of the box-shaped building unit 1 (the front end of the first CLT panel or the tree When inserted from the end face and the outer main surface side of the second CLT panel into the openings 10n, 11n, that is, in the example of FIG. 4, when inserted from the wooden end face 10s of the CLT panel 10 and the outer main surface 11o side of the CLT panel 11. In addition, a gradient is provided so that a force for tightening the CLT panels 10 and 11 works.

  Further, the first member 21 and the second member 22 are formed with holes 21b and 22b through which the bolt 23 passes. A counterbore 21d is formed in the trapezoidal bottom 21c of the first member 21 so that the nut 24 and the washer 26 do not protrude. A counterbore 22d is formed on the trapezoidal bottom 22c of the second member 22 so that the plate 25 does not protrude. The joining member 2 is formed by passing the first member 21 and the second member 22 having the above configuration through bolts 23 of the plate 25 and tightening the nuts 24 with washers 26 to connect them.

  In the box-type building unit 1 having the above configuration, the CLT panels 10, 11, 12, 13, 14, 15, 16, 17,... Are arranged on each surface of the rectangular parallelepiped (the ceiling surface, the floor surface, and the four side wall surfaces). Are arranged, and the adjacent CLT panels 10, 11, 12, 13, 14, 15, 16, 17,... By doing so, it is possible to easily join.

  In particular, in the box-type building unit 1, when the CLT panel 10 and the CLT panel 11 and the like are weakly tightened, the bolt 23 and the nut 24 are tightened from the outer main surface 10o side of the CLT panel 10 to form the joining member 2. The first member 21 and the second member 22 can be tightened, and the CLT panel 10 and the CLT panel 11 can be firmly tightened. In addition, by forming the first member 21 and the second member 22 with an elastic member such as rubber, the box-type building unit 1 can also have a seismic isolation structure.

  In addition, the box-type building unit 1 according to the present embodiment has at least one of the wall surfaces, for example, as shown in FIG. The structure has an opening 18 (a double-dashed line indicated by “OPEN” in FIG. 2) surrounded by a reinforcing beam portion composed of the CLT panel 11 bridged between the wall portions. FIG. 3 shows an opening surrounded by a pair of CLT panels 14 and 16 provided on both right and left sides, and a reinforcing beam section including a CLT panel 15 bridged between the pair of walls. 19 (a two-dot chain line indicated by “OPEN” in FIG. 3).

  The walls and the reinforcing beams are formed by the CLT panels 11 (15) of the reinforcing beams with respect to the CLT panels 12 and 13 (14s, 16s) of the CLT panels 12 and 13 (14 and 16) of the walls. The surfaces 11t (15t) are butted and joined by the joining member 2. The joints formed by the joining members 2 have first openings 12n, 13n (14n, 16n) similar to the openings 11n formed in the CLT panels 12, 13 (14, 16) on the wall. A second opening 11n '(15n) similar to the opening 11n is formed in the CLT panel 11 (15) of the reinforcing beam opposite to 12n, 13n (14n, 16n), and these first openings 12n, 13n. (14n, 16n) and the second opening 11n '(15n) from the outer principal surfaces 11o, 12o, 13o (14o, 15o, 16o) of the CLT panels 11, 12, 13 (14, 15, 16) from the joining members. 2 is formed by insertion.

  The first openings 12n, 13n (14n, 16n) are respectively made of the CLT panels 12, 13 (14, 16) of the wall and the wood end faces 12s, 13s (14s, 16s) and at least the outer main faces 12o, 13o (14o, 14o, 14f). 16o), the inner side of the CLT panels 12, 13 (14, 16) of the wall part is closer than the wooden end faces 12s, 13s (14s, 16s) of the CLT panels 12, 13 (14, 16) of the wall part. Is wide. The second openings 11n '(15n) are opened toward the cleave surface 11t (15t) and at least the outer main surface 11o (15o) of the CLT panel 11 (15) of the reinforcing beam, respectively, and the CLT panel of the reinforcing beam is provided. The inner side of the CLT panel 11 (15) of the reinforcing beam portion is wider than the 11g (11t) side of the wooden edge 11 (15).

  The opening 11n, the first openings 12n, 13n, 14n, and 16n and the second openings 11n 'and 15n open only toward the outer main surfaces 11o, 12o, 13o, 14o, 15o, and 16o. The joining member 2 is not exposed to the room side of the box-shaped building unit 1 by having a configuration that does not open on the main surface side (the back side in FIGS. 2 and 3), and the joining member 2 is Can be touched. At this time, the joining member 2 has a thickness corresponding to the depth of the opening 11n, the first openings 12n, 13n, 14n, 16n and the second openings 11n ', 15n.

  Then, it is also possible to configure a building by connecting a plurality of the box-shaped building units 1 as shown in FIG.

  Here, a connection structure of a plurality of box-shaped building units 1 arranged adjacently as shown in FIG. 10 will be described. 11 is a side view of the building of FIG. 10, FIG. 12 is a cross-sectional view of a connecting portion of the XII portion of FIG. 10, FIG. 13 is a perspective view of the connecting portion of FIG. 12, and FIG. 14 is an exploded perspective view of FIG. .

  In the connection structure of the plurality of box-shaped building units 1 arranged adjacent to each other in the present embodiment, as shown in FIGS. 12 to 14, a through hole 30 penetrating the CLT panels 13 and 17 located at adjacent positions is formed. A hollow cylindrical bush 31 is inserted into the through hole 30, and a bolt 32 is inserted into the hollow cylindrical bush 31. The bolts 32 are fastened from both outsides of the CLT panels 13 and 17 via nuts 34 via washers 33.

  A counterbore 35 is formed on both outer sides of the CLT panels 13 and 17 so as to be continuous with the through hole 30. The nut 34 is accommodated in the counterbore 35 and does not protrude from both outer sides of the CLT panels 13 and 17. The bolt 32 and the bush 31 also have a length that does not protrude from the CLT panels 13 and 17. The bush 31 is made of an elastic material such as rubber.

  In the above, the connection part of the CLT panels 13 and 17 located adjacent to the plurality of box-shaped building units 1 has been described as an example, but the plurality of box-shaped building units 1 are arranged adjacently in the vertical and horizontal directions. In such a case, the CLT panels located adjacent to each other in the up-down direction and the horizontal direction are connected by a similar configuration.

  In the connection structure having the above-described configuration, the plurality of box-shaped building units 1 arranged adjacently in the up-down direction or the horizontal direction pass through the through-holes 30 penetrating CLT panels located at positions adjacent to the plurality of box-shaped building units 1. It is connected by a hollow cylindrical bush 31 and a bolt 32. In this connection structure, since there is nothing that penetrates through the plurality of box-shaped building units 1 unlike a conventional mooring line, the plurality of box-shaped building units 1 can be moved vertically or horizontally without affecting the living space therein. The building can be freely connected to the building.

  In the connection structure according to the present embodiment, since the bush 31 is made of an elastic material such as rubber, the vertical and horizontal shaking caused by an earthquake or the like is reduced by the elastic bush 31. It becomes a building having.

  In this connection structure, the bolt 32 is fastened by the nut 34 accommodated in the counterbore 35 formed continuously with the through hole 30 of the CLT panel, and the bolt 32 and the bush 31 are separated from the CLT panel. Since the length does not protrude, the building has no protruding portion from the surface of the CLT panel into the living space.

  INDUSTRIAL APPLICABILITY The present invention is useful as a box-type building unit in which CLT panels are joined together and a building using the same.

DESCRIPTION OF SYMBOLS 1 Box-type building unit 2 Joining member 10, 11, 12, 13, 14, 15, 16, 17 CLT panel 18, 19 Opening 21 First member 22 Second member 30 Through hole 31 Bush 32 Bolt 33 Washer 34 Nut 35 sitting

Claims (5)

A box-type building unit in which a wall surface, a ceiling surface, and a floor surface are formed by CLT panels,
An opening in which at least one of the wall surfaces is surrounded by a pair of wall portions formed of CLT panels provided on both right and left sides, and a reinforcing beam portion formed of the CLT panel bridged between the pair of wall portions. Box building unit having   2. The structure in which the wall and the reinforcing beam are joined by a joining member such that a wooden edge face of the CLT panel of the wall is abutted against a wood end face of the CLT panel of the wall. Box building unit.   The joint formed by the joint member is a first opening formed on the CLT panel of the wall, and opening toward a tree end surface and at least an outer main surface of the CLT panel of the wall, and a CLT of the wall. A first opening formed on the inside of the CLT panel of the wall portion wider than a tree end surface of the panel, and a first opening formed on the CLT panel of the wall portion of the CLT panel of the reinforcing beam; And a second opening that is open toward the cleave surface of the CLT panel and at least the outer main surface of the reinforcing beam portion, wherein the reinforced beam portion is closer to the cleave side of the CLT panel than the reinforcing beam portion. A second opening in which the inside of the CLT panel is wide; and a first opening of the CLT panel in the wall and a second opening of the CLT panel in the reinforcing beam, and a CLT panel in the wall and the reinforcing beam. CL of part Box-building unit according to claim 2, wherein composed of a shredded like joining member inserted from the outer main surface side of the panel.   The shredded joining member includes a first member having a shape corresponding to the opening of the CLT panel in the wall portion, and a second member having a shape corresponding to the opening of the CLT panel in the reinforcing beam portion. The box-shaped building unit according to claim 3, wherein the box-shaped building unit is connected by a nut.   A building in which a plurality of the box-shaped building units according to any one of claims 1 to 3 are connected.