building

Abstract

To provide a building whose constituent members can be easily reused.SOLUTION: A building includes a plurality of first part members, a plurality of second part members, and a plurality of third part members. Each of the plurality of first part members includes a first horizontal beam member having a first length. Each of the plurality of second part members includes a second horizontal beam member having a second length less than the first length. Each of the plurality of third part members includes a third horizontal beam member having a third length less than the second length. The tip of the first horizontal beam member is connected to the tip of at least one of the second horizontal beam member and the third horizontal beam member, the tip of the second horizontal beam member is connected to the tip of at least one of the first horizontal beam member and the third horizontal beam member, and the tip of the third horizontal beam member is connected to the tip of at least one of the first horizontal beam member and the second horizontal beam member.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present disclosure relates to a building comprising a plurality of part members. [Background technology]

[0002] A building is composed of multiple columns extending vertically and multiple beams extending horizontally. In order to reduce the environmental impact, it is desirable that the structural components (columns and beams) that make up a building be reused in another building after the building is dismantled. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 2019-206811 Summary of the Invention [Problem to be solved by the invention]

[0004] Because buildings come in a variety of shapes, it is preferable to design a building so that its components can be reused from the design stage in order to utilize them without requiring a great deal of effort and time. However, designing a building with the intention of reusing its components in the future requires a great deal of effort and time compared to designing a building without the intention of reuse.

[0005] Patent Document 1 discloses a framework structure in which the connecting portions of shaft members are connected by joints, and the joints are arranged at positions that form a body-centered cubic structure. This framework structure can be disassembled and reassembled into various shapes. However, the surfaces exposed to the outside of this framework structure are limited to either triangles or squares, which creates a problem of significant restrictions on the external shape of the framework structure.

[0006] In view of the above, an object of at least one embodiment of the present disclosure is to provide a building whose components can be easily reused. [Means for solving the problem]

[0007] A building according to one embodiment of the present disclosure includes: A building comprising a plurality of first part members, a plurality of second part members, and a plurality of third part members, Each of the plurality of first part members comprises: a first pillar member extending along the vertical direction; a first horizontal beam member extending from the first pillar member along a horizontal direction perpendicular to the vertical direction, the first horizontal beam member having a first length; Each of the plurality of second part members comprises: a second pillar member extending along the vertical direction; a second horizontal beam member extending from the second column member along the horizontal direction, the second horizontal beam member having a second length that is shorter than the first length; Each of the plurality of third part members comprises: a third pillar member extending along the vertical direction; a third horizontal beam member extending from the third column member along the horizontal direction, the third horizontal beam member having a third length that is shorter than the second length; a tip end of the first horizontal beam member is connected to a tip end of at least one of the second horizontal beam member or the third horizontal beam member; a tip end of the second horizontal beam member is connected to a tip end of at least one of the first horizontal beam member or the third horizontal beam member; The tip of the third horizontal beam member is connected to the tip of at least one of the first horizontal beam member or the second horizontal beam member. [Effects of the Invention]

[0008] At least one embodiment of the present disclosure provides a building whose components are easily reusable. [Brief explanation of the drawings]

[0009] [Figure 1] 1 is a schematic perspective view of a building according to an embodiment of the present disclosure. FIG. [Figure 2A] FIG. 2 is a schematic cross-sectional view of a first part member in one embodiment of the present disclosure. [Figure 2B] FIG. 2 is an explanatory diagram illustrating a first sub-assembly according to an embodiment of the present disclosure. [Figure 3A] FIG. 10 is a schematic cross-sectional view of a second part member in one embodiment of the present disclosure. [Figure 3B] FIG. 10 is an explanatory diagram illustrating a second sub-assembly according to an embodiment of the present disclosure. [Figure 4A] FIG. 10 is a schematic cross-sectional view of a third part member in one embodiment of the present disclosure. [Figure 4B] FIG. 10 is an explanatory diagram illustrating a third sub-assembly according to an embodiment of the present disclosure. [Figure 5] FIG. 2 is an explanatory diagram illustrating a first sub-assembly according to an embodiment of the present disclosure. [Figure 6] FIG. 4 is an explanatory view for explaining a fitting structure between a first oblique member and a second oblique member. [Figure 7] FIG. 2 is an explanatory diagram for explaining the positional relationship between a first center point (CP1), a second center point (CP2), and a third center point (CP3). [Figure 8] FIG. 2 is an explanatory diagram illustrating a first part member, a second part member, and a third part member according to an embodiment of the present disclosure. [Figure 9] 1 is a schematic perspective view of a building according to an embodiment of the present disclosure. FIG. [Figure 10A] 1 is a schematic perspective view of a building in which structural members of a building are reused according to an embodiment of the present disclosure. FIG. [Figure 10B] 1 is a schematic perspective view of a building in which structural members of a building are reused according to an embodiment of the present disclosure. FIG. [Figure 10C] 1 is a schematic perspective view of a building in which structural members of a building are reused according to an embodiment of the present disclosure. FIG. [Figure 10D]1 is a schematic perspective view of a building in which structural members of a building are reused according to an embodiment of the present disclosure. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0010] Hereinafter, several embodiments of the present disclosure will be described with reference to the accompanying drawings. However, the dimensions, materials, shapes, relative arrangements, etc. of components described as embodiments or shown in the drawings are merely illustrative examples and are not intended to limit the scope of the present disclosure. For example, expressions expressing relative or absolute arrangement such as "in a certain direction," "along a certain direction," "parallel," "orthogonal," "center," "concentric," or "coaxial" not only express such an arrangement exactly, but also express a state in which there is a relative displacement with a tolerance or an angle or distance to the extent that the same function is obtained. For example, expressions such as "identical," "equal," and "homogeneous" that indicate that something is in an equal state not only indicate a state of strict equality, but also indicate a state in which there is a tolerance or a difference to the extent that the same function is obtained. For example, expressions representing shapes such as a square shape or a cylindrical shape not only represent shapes such as a square shape or a cylindrical shape in the strict geometric sense, but also represent shapes including uneven portions, chamfered portions, etc., to the extent that the same effect can be obtained. On the other hand, the expressions "comprise," "include," or "have" one element are not exclusive expressions that exclude the presence of other elements. Note that the same components will be denoted by the same reference numerals and the description thereof will be omitted.

[0011] (building) 1 is a schematic perspective view of a building according to an embodiment of the present disclosure. As shown in FIG. 1, the building 1 according to some embodiments includes a plurality of first part members 10, a plurality of second part members 20, and a plurality of third part members 30.

[0012] Each of the multiple first part members 10 includes a first pillar member 11 extending along the vertical direction and a first horizontal beam member 12 extending from the first pillar member 11 along a horizontal direction perpendicular to the vertical direction. The first horizontal beam member 12 has a first length L1.

[0013] Each of the multiple second part members 20 includes a second pillar member 21 extending along the vertical direction and a second horizontal beam member 22 extending along the horizontal direction from the second pillar member 21. The second horizontal beam member 22 has a second length L2 that is shorter than the first length L1.

[0014] Each of the multiple third part members 30 includes a third pillar member 31 extending along the vertical direction and a third horizontal beam member 32 extending along the horizontal direction from the third pillar member 31. The third horizontal beam member 32 has a third length L3 that is shorter than the second length L2.

[0015] As shown in Figure 1, each of the first horizontal beam member 12, the second horizontal beam member 22 and the third horizontal beam member 32 has its tip connected to horizontal beam members (target horizontal beam members) of different lengths that are arranged in series along their respective longitudinal directions.

[0016] The tip 121 of the first horizontal beam member 12 is abutted against the tip 221, 321 of at least one of the second horizontal beam member 22 or the third horizontal beam member 32, which are the target horizontal beam members, and is detachably fastened to the tip 221, 321 by known fastening means such as bolt fastening, or is non-detachably connected to the tip 221, 321. Note that the first horizontal beam member 12 may be arranged so that the tip 121 overlaps (overlaps) the tip 221, 321.

[0017] The tip 221 of the second horizontal beam member 22 is abutted against the tip 121, 321 of at least one of the target horizontal beam members, the first horizontal beam member 12 or the third horizontal beam member 32, and is detachably fastened to the tip 121, 321 by known fastening means such as bolt fastening, or is non-detachably connected. Note that the second horizontal beam member 22 may be arranged so that the tip 221 overlaps (overlaps) the tip 121, 321.

[0018] The tip 321 of the third horizontal beam member 32 is abutted against the tip 121, 221 of at least one of the target horizontal beam members, the first horizontal beam member 12 or the second horizontal beam member 22, and is detachably fastened to the tip 121, 221 by known fastening means such as bolt fastening, or is non-detachably connected to the tip 121, 221. Note that the third horizontal beam member 32 may be arranged so that the tip 321 overlaps (overlaps) the tip 121, 221.

[0019] According to the above configuration, the tip ends 121, 221, 321 of the three types of horizontal beam members 3 (12, 22, 32) each having a different length can be connected to the tip ends of other horizontal beam members 3 having a different length to form the frame structure (column-beam structure) of the building 1, and after use, the frame structure of the building 1 can be disassembled into a plurality of first part members 10, a plurality of second part members 20, and a plurality of third part members 30. Furthermore, according to the above configuration, the number of different lengths of the horizontal beam members 3 (12, 22, 32) used in the frame structure of the building 1 can be reduced, making it easy to reuse the components that make up the building 1 (especially the horizontal beam members 3).

[0020] Furthermore, the above-described building 1 can be easily divided into the structural members that make up the building 1 (column members 11, 21, 31 and horizontal beam members 12, 22, 32), or into component members that combine multiple component members (first component member 10, second component member 20, third component member 30). Therefore, the framework structure of the above-described building 1 can be easily assembled and disassembled, and the building 1 can also be easily relocated. Therefore, the above-described building 1 is also suitable for buildings with a limited period of use, such as pavilions. The above-described building 1 can also be applied to buildings that are expected to be used for a long period of time.

[0021] (First part) Fig. 2A is a schematic cross-sectional view of a first sub-member 10 according to an embodiment of the present disclosure. Fig. 2A schematically shows a cross section of the first sub-member 10 as viewed from below in the vertical direction. Fig. 2B is an explanatory view illustrating the first sub-member 10 according to an embodiment of the present disclosure. In some embodiments, as shown in Figs. 1, 2A, and 2B, the plurality of first sub-members 10 described above are arranged such that the first column members 11 are connected to one another around at least one first center point CP1, and the first horizontal beam members 12 are arranged radially from the at least one first center point CP1.

[0022] In the illustrated embodiment, the multiple first part members 10 further include at least one cylindrical body 13 and multiple fastening bolts 14. Each of the multiple first post members 11 arranged around one first center point CP1 is detachably fixed to the cylindrical body 13 by bolt fastening via the fastening bolts 14, with the inner surface abutting against the outer circumferential surface of the cylindrical body 13 extending in the circumferential direction around the first center point CP1. In this way, each of the multiple first post members 11 arranged around the first center point CP1 is detachably connected to one another around the first center point CP1. Note that in other embodiments, each of the multiple first post members 11 arranged around one first center point CP1 may be non-detachably connected to one another.

[0023] In the illustrated embodiment, the base end 122, which is the end opposite to the tip end 121 of the first horizontal beam member 12, is placed on the upper end 111 of the first column member 11 and is either detachably fastened to the upper end 111 by a known fastening means such as bolt fastening, or non-detachably connected to the upper end 111. In the embodiment shown in FIG. 1, the multiple first part members 10 are arranged around each of the multiple first center points CP1.

[0024] (Second part) Fig. 3A is a schematic cross-sectional view of a second sub-member 20 according to an embodiment of the present disclosure. Fig. 3A schematically shows a cross-section of the second sub-member 20 as viewed from below in the vertical direction. Fig. 3B is an explanatory view illustrating the second sub-member 20 according to an embodiment of the present disclosure. In some embodiments, the plurality of second sub-members 20 described above are arranged such that the second post members 21 are connected to one another around at least one second center point CP2, and the second horizontal beam members 22 are arranged radially from the at least one second center point CP2, as shown in Figs. 1, 3A, and 3B.

[0025] In the illustrated embodiment, the multiple second part members 20 further include at least one cylindrical body 23 and multiple fastening bolts 24. Each of the multiple second post members 21 arranged around one second center point CP2 is detachably fixed to the cylindrical body 23 by bolt fastening via the fastening bolts 24, with the inner surface abutting against the outer circumferential surface of the cylindrical body 23 extending in the circumferential direction around the second center point CP2. As a result, each of the multiple second post members 21 arranged around the second center point CP2 is detachably connected to each other around the second center point CP2. Note that in other embodiments, each of the multiple second post members 21 arranged around one second center point CP2 may be non-detachably connected.

[0026] In the illustrated embodiment, the base end 222, which is the end opposite to the tip end 221 of the second horizontal beam member 22, is placed on the upper end 211 of the second column member 21 and is detachably fastened or non-detachably connected to the upper end 211 by known fastening means such as bolt fastening. In the embodiment shown in Fig. 1, the multiple second part members 20 are arranged around each of the multiple second center points CP2.

[0027] (Third part) Fig. 4A is a schematic cross-sectional view of a third sub-member 30 according to an embodiment of the present disclosure. Fig. 4A schematically shows a cross-section of the third sub-member 30 as viewed from below in the vertical direction. Fig. 4B is an explanatory view illustrating the third sub-member 30 according to an embodiment of the present disclosure. In some embodiments, as shown in Figs. 1, 4A, and 4B, the plurality of third sub-members 30 described above are arranged such that the respective third column members 31 are connected to one another around at least one third center point CP3, and the respective third horizontal beam members 32 are arranged radially from the at least one third center point CP3.

[0028] In the illustrated embodiment, the multiple third part members 30 further include at least one cylindrical body 33 and multiple fastening bolts 34. Each of the multiple third post members 31 arranged around one third center point CP3 is detachably fixed to the cylindrical body 33 by bolt fastening via the fastening bolts 34, with the inner surface of the multiple third post members 31 abutting against the outer circumferential surface of the cylindrical body 33 extending in the circumferential direction around the third center point CP3. As a result, each of the multiple third post members 31 arranged around the third center point CP3 is detachably connected to each other around the third center point CP3. Note that in other embodiments, each of the multiple third post members 31 arranged around one third center point CP3 may be non-detachably connected.

[0029] In the illustrated embodiment, the base end 322, which is the end opposite to the tip end 321 of the third horizontal beam member 32, is placed on the upper end 311 of the third column member 31 and is detachably fastened or non-detachably connected to the upper end 311 by known fastening means such as bolt fastening. In the embodiment shown in Fig. 1, the multiple third part members 30 are arranged around each of the multiple third center points CP3.

[0030] According to the above configuration, the multiple first sub-components 10 are arranged such that the first column members 11 are connected to one another around at least one first center point CP1, and the first horizontal beam members 12 are arranged radially from the at least one first center point CP1. In this case, the frame structure of the building 1 around the first center point CP1 can be constructed by disassembling it into multiple planar frames, so that the load transfer from the first horizontal beam members 12 to the first column members 11 forms a simple and clear balanced state. Furthermore, the multiple first sub-components 10 arranged around the first center point CP1 can be separated into individual first sub-components 10 and reused, improving the reusability of the components that make up the building 1.

[0031] Furthermore, with the above configuration, the frame structure around the second center point CP2 of the building 1 can be constructed from a plurality of second part members 20 that can be individually separable, and the frame structure around the third center point CP3 of the building 1 can be constructed from a plurality of third part members 30 that can be individually separable. The load transfer from the second horizontal beam member 22 to the second column member 21 and the load transfer from the third horizontal beam member 32 to the third column member 31 also form a simple and clear balanced state. Furthermore, with the above configuration, the plurality of second part members 20 arranged around the second center point CP2 can be separated into individual second part members 20 for reuse, and the plurality of third part members 30 arranged around the third center point CP3 can be separated into individual third part members 30 for reuse. This improves the reusability of the components that make up the building 1.

[0032] In one embodiment, each of the multiple first pillar members 11, the multiple second pillar members 21, and the multiple third pillar members 31 is made of wood (square timber) such as laminated lumber having standardized dimensions. Laminated lumber is a wood material made by bonding multiple pieces of wood with small cross-sectional dimensions using adhesive or the like. In one embodiment, each of the multiple first pillar members 11 has the same cross-sectional area and length (total length of the first pillar member 11). Each of the multiple second pillar members 21 has the same cross-sectional area and length (total length of the second pillar member 21). Each of the multiple third pillar members 31 has the same cross-sectional area and length (total length of the third pillar member 31). Note that each of the multiple second pillar members 21 and the multiple third pillar members 31 may have the same cross-sectional area as each of the multiple first pillar members 11.

[0033] In one embodiment, each of the multiple first horizontal beam members 12, the multiple second horizontal beam members 22, and the multiple third horizontal beam members 32 is made of wood (square timber) such as laminated lumber having standardized dimensions. In one embodiment, each of the multiple first horizontal beam members 12 has the same cross-sectional area and length (first length L1). Each of the multiple second horizontal beam members 22 has the same cross-sectional area and length (second length L2). Each of the multiple third horizontal beam members 32 has the same cross-sectional area and length (third length L3). Note that each of the multiple second horizontal beam members 22 and the multiple third horizontal beam members 32 may have the same cross-sectional area as each of the multiple first horizontal beam members 12.

[0034] (1st diagonal member, 2nd diagonal member) 5 is an explanatory diagram illustrating a first sub-member according to an embodiment of the present disclosure. Each of the plurality of sub-members 10, 20, and 30 described above may further include at least one diagonal member connecting each of the column members 11, 21, and 31 and each of the horizontal beam members 12, 22, and 32, as shown in FIG.

[0035] 5, each of the plurality of first part members 10 further includes a first diagonal member 15 and a second diagonal member 16 that intersects with the first diagonal member 15. The first diagonal member 15 connects a first height position VP1 in the first pillar member 11 to a first horizontal position HP1 in the first horizontal beam member 12. The second diagonal member 16 connects a second height position VP2, which is lower than the first height position VP1 in the first pillar member 11, to a second horizontal position HP2, which is closer to the base end than the first horizontal position HP1 in the first horizontal beam member 12. The base end side of the first horizontal beam member 12 refers to the side (left side in FIG. 5) where a first center point CP1, which is the base point of the first horizontal beam member 12, is located in the length direction of the first horizontal beam member 12 (left-right direction in FIG. 5). Furthermore, the tip side of the first horizontal beam member 12 means the side opposite to the base end side, i.e., the side in the longitudinal direction of the first horizontal beam member 12 that is away from the first center point CP1, which is the base point of the first horizontal beam member 12 (the right side in Figure 5).

[0036] One longitudinal end of the first diagonal member 15 is detachably fastened or non-detachably connected to the first height position VP1 of the first column member 11 by known fastening means such as bolt fastening. The other longitudinal end of the first diagonal member 15 is detachably fastened or non-detachably connected to the first horizontal position HP1 of the first horizontal beam member 12 by known fastening means such as bolt fastening.

[0037] One longitudinal end of the second diagonal member 16 is detachably fastened or non-detachably connected to the second height position VP2 of the first column member 11 by known fastening means such as bolt fastening. The other longitudinal end of the second diagonal member 16 is detachably fastened or non-detachably connected to the second horizontal position HP2 of the first horizontal beam member 12 by known fastening means such as bolt fastening.

[0038] Each of the first diagonal members 15 and the second diagonal members 16 is made of wood (square timber) such as laminated lumber having standardized dimensions. The first height position VP1, the first horizontal position HP1, the second height position VP2, and the second horizontal position HP2 may be standardized so that they are located at the same positions in each of the multiple first sub-members 10.

[0039] According to the above configuration, the first horizontal position HP1 of the first horizontal beam member 12 can be supported by the first column member 11 via the first diagonal member 15, and the second horizontal position HP2 of the first horizontal beam member 12 can be supported by the first column member 11 via the second diagonal member 16. In this case, the load acting on the first horizontal beam member 12 can be dispersed and transmitted to the first column member 11 via the first diagonal member 15 and the second diagonal member 16, thereby firmly supporting the first horizontal beam member 12. Furthermore, according to the above configuration, the correspondence between the first diagonal member 15 and the second diagonal member 16 and the first column member 11 and first horizontal beam member 12 connected thereto is clear for each of the multiple first part members 10, making it easy to reuse the first diagonal member 15 and the second diagonal member 16. The first diagonal member 15 and the second diagonal member 16 can be reused as the first part member 10 when combined with the first column member 11 and the first horizontal beam member 12, or can be reused as individual members when separated from the first column member 11 and the first horizontal beam member 12.

[0040] (Fitting structure between first diagonal member and second diagonal member) 6 is an explanatory diagram illustrating the fitting structure between the first diagonal member and the second diagonal member. In some embodiments, each of the plurality of first sub-members 10 described above includes the first diagonal member 15 described above and the second diagonal member 16 described above that intersects with the first diagonal member 15. A first groove portion 152 is formed in an opposing surface 151 of the first diagonal member 15 that intersects with the second diagonal member 16, and a second groove portion 162 that fits with the first groove portion 152 is formed in an opposing surface 161 of the second diagonal member 16 that intersects with the first diagonal member 15.

[0041] In the illustrated embodiment, the first groove portion 152 includes at least one first bottom surface 153 having a first depth D1 from the opposing surface 151 and at least one second bottom surface 154 having a second depth D2 from the opposing surface 151 that is deeper than the first depth D1. In the embodiment shown in FIG. 6, the at least one first bottom surface 153 includes a pair of first bottom surfaces 153A, 153B disposed on either side of a first base point BP1. The at least one second bottom surface 154 includes a pair of second bottom surfaces 154A, 154B disposed on either side of the first base point BP1. Each of the pair of second bottom surfaces 154A, 154B is disposed between the pair of first bottom surfaces 153A, 153B in the circumferential direction of the first base point BP1 of the opposing surface 151.

[0042] In the illustrated embodiment, the second groove portion 162 includes at least one third bottom surface 163 having a third depth D3 from the opposing surface 161 and at least one fourth bottom surface 164 having a fourth depth D4 from the opposing surface 161 that is deeper than the third depth D3. In the embodiment shown in FIG. 6, the at least one third bottom surface 163 includes a pair of third bottom surfaces 163A, 163B that are provided on either side of the second base point BP2. The at least one fourth bottom surface 164 includes a pair of fourth bottom surfaces 164A, 164B that are provided on either side of the second base point BP2. Each of the pair of fourth bottom surfaces 164A, 164B is provided between the pair of third bottom surfaces 163A, 163B in the circumferential direction of the second base point BP2 of the opposing surface 161.

[0043] When the second groove portion 162 is fitted into the first groove portion 152, at least one third bottom surface 163 abuts against at least one second bottom surface 154, and at least one fourth bottom surface 164 abuts against at least one first bottom surface 153. With the second groove portion 162 fitted into the first groove portion 152, the second inclined member 16 is fixed to the first inclined member 15 by either detachably fastening the second groove portion 162 to the first groove portion 152 by a known fastening means such as bolt fastening, or by non-detachably connecting the second groove portion 162 to the first groove portion 152.

[0044] According to the above configuration, by fitting the first groove portion 152 and the second groove portion 162 together, the rigidity of the first diagonal member 15 and the second diagonal member 16 can be increased.

[0045] (3rd diagonal member, 4th diagonal member) 5 , each of the plurality of first part members 10 further includes a third diagonal member 17 and a fourth diagonal member 18. The third diagonal member 17 connects the first diagonal member 15 to a third horizontal position HP3, which is located distally of the first horizontal position HP1 in the first horizontal beam member 12. The fourth diagonal member 18 connects the second diagonal member 16 to a fourth horizontal position HP4, which is located proximal to the second horizontal position HP2 in the first horizontal beam member 12. The fourth diagonal member 18 intersects with the first diagonal member 15.

[0046] One longitudinal end of the third diagonal member 17 is detachably fastened or non-detachably connected to the third horizontal position HP3 of the first horizontal beam member 12 by known fastening means such as bolt fastening. The other longitudinal end of the third diagonal member 17 is detachably fastened or non-detachably connected to the first diagonal member 15 by known fastening means such as bolt fastening.

[0047] One longitudinal end of the fourth diagonal member 18 is detachably fastened or non-detachably connected to the fourth horizontal position HP4 of the first horizontal beam member 12 by known fastening means such as bolt fastening. The other longitudinal end of the fourth diagonal member 18 is detachably fastened or non-detachably connected to the second diagonal member 16 by known fastening means such as bolt fastening.

[0048] Each of the third diagonal member 17 and the fourth diagonal member 18 is made of wood (square timber) such as laminated lumber having standardized dimensions. The connection position of the other end of the third diagonal member 17 to the first diagonal member 15, the connection position of the other end of the fourth diagonal member 18 to the second diagonal member 16, the third horizontal position HP3, and the fourth horizontal position HP4 may be standardized so that they are the same in each of the multiple first part members 10.

[0049] With the above configuration, the load acting on the first horizontal beam member 12 can be dispersed and transmitted to the first column member 11 via the third diagonal member 17 and the fourth diagonal member 18, thereby firmly supporting the first horizontal beam member 12. Furthermore, with the above configuration, the correspondence between each of the multiple first sub-members 10 and the third diagonal member 17 and the fourth diagonal member 18 and the components of the first sub-member 10, such as the first horizontal beam member 12, to which they are connected is clear, making it easy to reuse the third diagonal member 17 and the fourth diagonal member 18. The third diagonal member 17 and the fourth diagonal member 18 can be reused as the first sub-member 10 when combined with the components of the first sub-member 10, such as the first horizontal beam member 12, or can be reused as individual components when separated from the components of the first sub-member 10.

[0050] Note that first diagonal member 15 and fourth diagonal member 18 may have grooves formed on their opposing surfaces that fit together. Furthermore, each of the plurality of second part members 20 and the plurality of third part members 30 may further include at least one of a plurality of diagonal members 15, 16, 17, and 18 as shown in FIG. 5 .

[0051] 7 is an explanatory diagram illustrating the positional relationships among the first center point CP1, the second center point CP2, and the third center point CP3. In some embodiments, as shown in FIGS. 1 and 7, the at least one first center point CP1 is located at the center (arc center) of at least one first arc 10A having a first radius R1 in the horizontal direction. The at least one second center point CP2 is located at the center (arc center) of at least one second arc 20A having a second radius R2 smaller than the first radius R1 in the horizontal direction. The at least one third center point CP3 is located at the center (arc center) of at least one third arc 30A having a third radius R3 smaller than the second radius R2 in the horizontal direction.

[0052] At least one second arc 20A is arranged to contact at least one first arc 10A. At least one third arc 30A is arranged to contact at least one first arc 10A and at least one second arc 20A.

[0053] In the illustrated embodiment, at least one first arc 10A includes a plurality of first arcs 10A arranged in a staggered pattern when viewed in the vertical direction. At least one second arc 20A includes at least two second arcs 20B, 20C (20A) arranged to contact three of the plurality of first arcs 10A. At least one third arc 30A is arranged to contact the at least two second arcs 20B, 20C.

[0054] The first length L1 has a length similar to the length of the first radius R1. The second length L2 has a length similar to the length of the second radius R2. The third length L3 has a length similar to the length of the third radius R3. In some embodiments, the first length L1 satisfies the condition R1×0.9 < L1 < R1×1.1. The second length L2 satisfies the condition R2×0.9 < L2 < R2×1.1. The third length L3 satisfies the condition R3×0.9 < L3 < R3×1.1.

[0055] In some embodiments, as shown in FIG. 7, when the building 1 described above has a first length L1, a second length L2, and a third length L3, the following equations (1) and (2) are satisfied. (2√3 - 3)×0.95 < L2 / L1 < (2√3 - 3)×1.05 ··· (1) (2 - √3)×0.95 < L3 / L1 < (2 - √3)×1.05 ··· (2)

[0056] In the illustrated embodiment, the angle θ1 between two adjacent first horizontal beam members 12 in the circumferential direction around the center C1 of one first arc 10A among the multiple first horizontal beam members 12 satisfies the condition of 25°<θ1<35°. The angle θ2 between two adjacent second horizontal beam members 22 in the circumferential direction around the center C2 of one second arc 20A among the multiple second horizontal beam members 22 satisfies the condition of 55°<θ2<65°. The angle θ3 between two adjacent third horizontal beam members 32 in the circumferential direction around the center C3 of one third arc 30A among the multiple third horizontal beam members 32 satisfies the condition of 85°<θ3<95°.

[0057] According to the above configuration, by connecting the tips of three types of horizontal beam members 12, 22, and 32, each of which has a different length, to two other types of horizontal beam members of different lengths, a right-angled triangle RT beam structure can be formed, with vertices at the first center point CP1, the second center point CP2, and the third center point CP3. In building 1, horizontal beam members 12, 22, and 32 are connected on the same straight line, and the radial framework of CP1, CP2, and CP3, including these, exists in the same plane, so load transfer between the frameworks is simple and clear as in-plane stress. Furthermore, by providing building 1 with this right-angled triangle RT beam structure, the three types of horizontal beam members 12, 22, and 32 are firmly connected to each other, improving the in-plane rigidity of the building's roof surface.

[0058] In some embodiments, each of the above-described plurality of first part members 10, plurality of second part members 20, and plurality of third part members 30 is made of laminated timber. Here, the fact that the plurality of first part members 10 are made of laminated timber means that the components that make up the plurality of first part members 10 (such as the first column member 11, first horizontal beam member 12, and first diagonal member 15) are made of laminated timber. The same applies to the plurality of second part members 20 and the plurality of third part members 30.

[0059] According to the above configuration, by using laminated timber for each of the plurality of first part members 10, the plurality of second part members 20, and the plurality of third part members 30, it is possible to reduce the variation in strength between the part members compared to when these are made of solid wood, thereby increasing the design strength of the building 1. Furthermore, because laminated timber is a standardized product, it is easy to mathematically calculate the structural strength of the building 1.

[0060] (Beam structure connecting the center and vertex of the triangle) Fig. 8 is an explanatory diagram illustrating a first part member, a second part member, and a third part member according to an embodiment of the present disclosure. Fig. 9 is a schematic perspective view of a building according to an embodiment of the present disclosure. As shown in Fig. 8, the incenter of a triangle T1 (in the illustrated example, a right triangle RT) having vertices at a first center point CP1, a second center point CP2, and a third center point CP3 is defined as IC.

[0061] Of the multiple first part members 10 described above, some of the first part members 10 include a first pillar member 11A and a first horizontal beam member 12A, and some other first part members 10 include a first pillar member 11B and a first horizontal beam member 12B.

[0062] The above-mentioned first pillar member 11 includes a first pillar member 11A that supports the base end portion 122A (122) of the first horizontal beam member 12A, and a first pillar member 11B that supports the base end portion 122B (122) of the first horizontal beam member 12B.

[0063] The above-mentioned first horizontal beam member 12 includes a first horizontal beam member 12A arranged along a line connecting either the second center point CP2 or the third center point CP3 to the first center point CP1, and having its tip end 121A, 221A, 321A connected to either the second horizontal beam member 22A or the third horizontal beam member 32A, and a first horizontal beam member 12B arranged between two adjacent first horizontal beam members 12A in the circumferential direction around the first center point CP1. The first horizontal beam member 12B is arranged radially from the first center point CP1, and its tip end 121B (121) extends toward the in-center IC of the triangle T1.

[0064] Of the plurality of second part members 20 described above, some second part members 20 include second pillar members 21A and second horizontal beam members 22A, and some other second part members 20 include second pillar members 21B and second horizontal beam members 22B.

[0065] The above-mentioned second pillar member 21 includes a second pillar member 21A that supports the base end portion 222A (222) of the second horizontal beam member 22A, and a second pillar member 21B that supports the base end portion 222B (222) of the second horizontal beam member 22B.

[0066] The second horizontal beam member 22 described above includes a second horizontal beam member 22A arranged along a line connecting either the first center point CP1 or the third center point CP3 with the second center point CP2, and having its tip end 121A, 221A, 321A connected to either the first horizontal beam member 12A or the third horizontal beam member 32A, and a second horizontal beam member 22B arranged between two adjacent second horizontal beam members 22A in the circumferential direction around the second center point CP2. The second horizontal beam member 22B is arranged radially from the second center point CP2, and its tip end 221B (221) extends toward the in-center IC of the triangle T1.

[0067] Of the plurality of third part members 30 described above, some third part members 30 include a third pillar member 31A and a third horizontal beam member 32A, and some other third part members 30 include a third pillar member 31B and a third horizontal beam member 32B.

[0068] The above-mentioned third pillar member 31 includes a third pillar member 31A that supports the base end portion 322A (322) of the third horizontal beam member 32A, and a third pillar member 31B that supports the base end portion 322B (322) of the third horizontal beam member 32B.

[0069] The third horizontal beam member 32 includes a third horizontal beam member 32A arranged along a line connecting either the first center point CP1 or the second center point CP2 with the third center point CP3, and having a tip end 121A, 221A, 321A connected to either the first horizontal beam member 12A or the second horizontal beam member 22A, and a third horizontal beam member 32B arranged between two adjacent third horizontal beam members 32A in the circumferential direction around the third center point CP3. The third horizontal beam member 32B is arranged radially from the third center point CP3, and its tip end 321B (321) extends toward the in-center IC of the triangle T1.

[0070] The tip 121B of the first horizontal beam member 12B is abutted against the tip 221B of the second horizontal beam member 22B and the tip 321B of the third horizontal beam member 32B, and is detachably fastened to the tip 221B, 321B by known fastening means such as bolt fastening. Note that in other embodiments, the tip 121B, 221B, 321B may be non-detachably connected to each other. Furthermore, at least one of the multiple first horizontal beam members 12B, multiple second horizontal beam members 22B, or multiple third horizontal beam members 32B may be arranged so that the tip 121B, 221B, 321B overlaps (overlaps) the tip of the other horizontal beam member.

[0071] In one embodiment, the first pillar member 11B may have the same cross-sectional area and length as the first pillar member 11A. The second pillar member 21B may have the same cross-sectional area and length as the second pillar member 21A. The third pillar member 31B may have the same cross-sectional area and length as the third pillar member 31A. Note that each of the second pillar member 21B and the third pillar member 31B may have the same cross-sectional area as at least one of the first pillar member 11A and the first pillar member 11B.

[0072] If the line segment connecting the incenter IC of triangle T1 and the first center point CP1 is longer than the first radius R1, the length of the first horizontal beam member 12B may be made longer than the first horizontal beam member 12A, or the length of the first horizontal beam member 12B may be the same as the first horizontal beam member 12A, and the missing length may be made up with additional members, connecting members, etc. If the line segment connecting the incenter IC of triangle T1 and the second center point CP2 is longer than the second radius R2, the length of the second horizontal beam member 22B may be made longer than the second horizontal beam member 22A, or the length of the second horizontal beam member 22B may be the same as the second horizontal beam member 22A, and the missing length may be made up with additional members, connecting members, etc. If the line segment connecting the incenter IC of triangle T1 and the third center point CP3 is longer than the third radius R3, the length of the third horizontal beam member 32B may be made longer than the third horizontal beam member 32A, or the length of the third horizontal beam member 32B may be made the same as the third horizontal beam member 32A, and the missing length may be made up with additional members, connecting members, etc.

[0073] According to the above configuration, by connecting three types of beam members 12B, 22B, and 32B, each with a different length, a beam is formed that connects the inner center IC of a triangle T1, whose vertices are the first center point CP1, the second center point CP2, and the third center point CP3, to each of the vertices. This makes it possible to improve the in-plane rigidity of the roof surface of the building 1 while suppressing an increase in the number of types of structural members that make up the building 1 (such as column members 11, 21, and 31, horizontal beam members 12, 22, and 32, and diagonal members 15 to 18).

[0074] Furthermore, with the above-described configuration, the building 1 can be easily divided into the structural members (column members 11, 21, 31 and horizontal beam members 12, 22, 32) that make up the building 1, or into component members (first component member 10, second component member 20, third component member 30) that combine multiple component members. Therefore, the framework structure of the building 1 described above can be easily assembled and disassembled, and the building 1 can also be easily relocated. Furthermore, with the above-described building 1, the number of types of component members (column members 11, 21, 31, horizontal beam members 12, 22, 32, diagonal members 15-18, etc.) that make up the building 1 can be reduced, making it easy to reuse the component members that make up the building 1.

[0075] (Reconstructed Buildings) Hereinafter, a description will be given of buildings 7 (7A to 7D) that have been reconstructed using as constituent members some of the structural members (such as column members 11, 21, and 31 and beam members 12, 22, and 32) that make up the above-described building 1. Each of Figs. 10A to 10D is a schematic perspective view of a building in which wooden structural members of a building have been reused according to one embodiment of the present disclosure.

[0076] In some embodiments, as shown in Figures 10A to 10C, the building 7 (7A to 7C) includes a plurality of reconstructed part components 8, each of which is any one of a plurality of first reconstructed part components 8A (see Figure 10A), a plurality of second reconstructed part components 8B (see Figure 10B), or a plurality of third reconstructed part components 8C (see Figure 10C).

[0077] The building 7A includes a plurality of first reconstructed part members 8A. Each of the plurality of first reconstructed part members 8A includes a pair of the above-described first horizontal beam members 12 connected with their tip ends (one end portions) 121, 121 butting against each other. The pair of first horizontal beam members 12 are detachably fastened to each other at their tip ends 121, 121 by known fastening means such as bolt fastening, or are non-detachably connected. Furthermore, the pair of first horizontal beam members 12 may be arranged so that their tip ends 121, 121 overlap each other.

[0078] Each of the plurality of first reconstructing part components 8A may further include a pair of the above-described first pillar members 11, each supporting the base end portions of the pair of first horizontal beam members 12. Also, each of the plurality of first reconstructing part components 8A may further include diagonal members such as the above-described first diagonal member 15 to fourth diagonal member 18.

[0079] For each of the plurality of first reconstructing part components 8A, the height of the first pillar member 11 and the length of the first horizontal beam member 12 may be adjusted to desired dimensions by cutting the first pillar member 11 and the first horizontal beam member 12, which are constituent members, when constructing the building 7A. Furthermore, for each of the plurality of first reconstructing part components 8A, the length of the first reconstructing part component 8A (the length in the first step direction, which will be described later) may be adjusted to a desired length by adjusting the overlap length between the tip ends 121, 121 of the pair of first horizontal beam members 12.

[0080] The building 7B includes a plurality of second reconstructing part members 8B. Each of the plurality of second reconstructing part members 8B includes a pair of the above-described second horizontal beam members 22 connected with their tip portions (one end portions) 221, 221 butting against each other. The pair of second horizontal beam members 22 are either detachably fastened to each other at their tip portions 221, 221 by known fastening means such as bolt fastening, or are non-detachably connected. Furthermore, the pair of second horizontal beam members 22 may be arranged so that their tip portions 221, 221 overlap each other.

[0081] Each of the plurality of second reconstructing part members 8B may further include a pair of the above-mentioned second pillar members 21, each supporting the base end portions of the pair of second horizontal beam members 22. Also, each of the plurality of second reconstructing part members 8B may further include at least one diagonal member 25 connecting the second horizontal beam member 22 and the second pillar member 21 supporting the second horizontal beam member 22.

[0082] For each of the plurality of second reconstructing part components 8B, the height of the second pillar member 21 and the length of the second horizontal beam member 22 may be adjusted to desired dimensions by cutting the second pillar member 21 and the second horizontal beam member 22, which are constituent members, when constructing the building 7B. Furthermore, for each of the plurality of second reconstructing part components 8B, the length of the second reconstructing part component 8B (the length in the first step direction, which will be described later) may be adjusted to a desired length by adjusting the overlap length between the tip ends 221, 221 of the pair of second horizontal beam members 22.

[0083] The building 7C includes a plurality of third reconstructing part members 8C. Each of the plurality of third reconstructing part members 8C includes a pair of the above-described third horizontal beam members 32 connected with their tip ends (one end portions) 321, 321 butting against each other. The pair of third horizontal beam members 32 are either detachably fastened to each other at their tip ends 321, 321 by known fastening means such as bolt fastening, or are non-detachably connected. The pair of third horizontal beam members 32 may also be arranged so that their tip ends 321, 321 overlap (overlap).

[0084] Each of the plurality of third reconstructing part members 8C may further include a pair of the above-mentioned third pillar members 31, each supporting the base end portions of the pair of third horizontal beam members 32. Also, each of the plurality of third reconstructing part members 8C may further include at least one diagonal member 35 connecting the third horizontal beam member 32 and the third pillar member 31 supporting the third horizontal beam member 32.

[0085] For each of the plurality of third reconstructing part components 8C, the height of the third pillar component 31 and the length of the third horizontal beam component 32 may be adjusted to desired dimensions by cutting the third pillar component 31 and the third horizontal beam component 32, which are constituent components of the building 7C, when constructing the building 7C. Furthermore, for each of the plurality of third reconstructing part components 8C, the length of the third reconstructing part component 8C (the length in the first step direction, which will be described later) may be adjusted to a desired length by adjusting the overlap length between the tip portions 321, 321 of the pair of third horizontal beam components 32.

[0086] The multiple reconstructed part components 8 are arranged at intervals along a second direction perpendicular to the first direction, which is the horizontal extension direction of the reconstructed part components 8. The building 7 (7A to 7C) includes at least one connecting beam member 9 extending along the second direction and connecting a pair of reconstructed part components 8, 8 adjacent to each other in the second direction. Each of the at least one connecting beam member 9 has both ends detachably fastened to each of the pair of reconstructed part components 8, 8 by known fastening means such as bolt fastening, or is non-detachably connected to each of the pair of reconstructed part components 8, 8. The at least one connecting beam member 9 may be made from recycled offcuts of column members 11, 12, 12 or horizontal beam members 12, 22, 32 cut when constructing the buildings 7A to 7C.

[0087] According to the above configuration, by combining a reconstructed part component 8 including any of the beam components 12, 22, and 32 that are constituent components of the building 1 with a connecting beam component 9, a new building 7 (7A to 7C) can be constructed that reuses constituent components such as the beam components 12, 22, and 32 of the building 1.

[0088] 10D, the building 7 (7D) has a planar shape that is a part of the planar shape of the above-described building 1. Specifically, the building 7 (7D) includes at least a plurality of first horizontal beam members 12 arranged radially from a single first center point CP1, at least one second horizontal beam member 22 having tip ends 121, 221 connected to at least one first horizontal beam member 12 among the plurality of first horizontal beam members 12, and at least one third horizontal beam member 32 having tip ends 121, 321 connected to at least one first horizontal beam member 12 among the plurality of first horizontal beam members 12.

[0089] The building 7 (7D) may further comprise a plurality of first column members 11 individually supporting a plurality of first horizontal beam members 12, at least one second column member 21 individually supporting at least one second horizontal beam member 22, and at least one third column member 31 individually supporting at least one third horizontal beam member 32.

[0090] In some of the above-described embodiments, the buildings 1 and 7 (7A to 7D) are described as wooden buildings in which the structural components, such as the column members 11, 21, and 31, the beam members 12, 22, and 32, and the diagonal members 15 to 18, 25, and 35, are made of wood, such as laminated timber. However, the present disclosure is also applicable to buildings other than wooden buildings. For example, the buildings 1 and 7 (7A to 7D) may be made of wood, steel, reinforced concrete, steel reinforced concrete, concrete-fiber timber, reinforced concrete steel (RC), or a mixed structure that combines these structures. Furthermore, the structural components, such as the column members 11, 21, and 31, the beam members 12, 22, and 32, and the diagonal members 15 to 18, 25, and 35, of the buildings 1 and 7 (7A to 7D) may be made of iron or steel.

[0091] The present disclosure is not limited to the above-described embodiments, but also includes modifications to the above-described embodiments and appropriate combinations of these modifications.

[0092] The contents of the above-described embodiments can be understood, for example, as follows.

[0093] 1) A building (1) according to at least one embodiment of the present disclosure is A building (1) comprising a plurality of first part members (10), a plurality of second part members (20), and a plurality of third part members (30), Each of the plurality of first part members (10) is a first pillar member (11) extending vertically; a first horizontal beam member (12) extending from the first pillar member along a horizontal direction perpendicular to the vertical direction, the first horizontal beam member having a first length; Each of the plurality of second part members (20) includes: a second pillar member (21) extending along the vertical direction; a second horizontal beam member (22) extending from the second column member along the horizontal direction, the second horizontal beam member having a second length shorter than the first length; Each of the plurality of third part members (30) comprises: a third pillar member (31) extending along the vertical direction; a third horizontal beam member (32) extending from the third column member along the horizontal direction, the third horizontal beam member having a third length smaller than the second length; a tip end of the first horizontal beam member (11) is connected to a tip end of at least one of the second horizontal beam member (21) or the third horizontal beam member (31); a tip end of the second horizontal beam member (21) is connected to a tip end of at least one of the first horizontal beam member (11) or the third horizontal beam member (31); The tip of the third horizontal beam member (31) is connected to the tip of at least one of the first horizontal beam member (11) or the second horizontal beam member (21).

[0094] According to the configuration 1) above, the tip ends (121, 221, 321) of the three types of horizontal beam members (12, 22, 32) each having a different length can be connected to the tip ends of other horizontal beam members having a different length to form the frame structure (column and beam structure) of the building (1), and the frame structure of the building (1) after use can be disassembled into a plurality of first part members (10), a plurality of second part members (20), and a plurality of third part members (30). Furthermore, according to the configuration 1) above, the number of different lengths of the horizontal beam members (12, 22, 32) used in the frame structure of the building (1) can be reduced, making it easy to reuse the components (especially the horizontal beam members) that make up the building (1).

[0095] 2) In some embodiments, the building (1) described in 1) above, The plurality of first part members (10) are Each of the first pillar members (11) is arranged to be connected to each other around at least one first center point (CP1), Each of the first horizontal beam members (12) is arranged radially relative to the at least one first center point (CP1), The plurality of second part members (20) are Each of the second pillar members (21) is arranged to be connected to each other around at least one second center point (CP2), Each of the second horizontal beam members (22) is arranged radially relative to the at least one second center point (CP2), The plurality of third part members (30) are Each of the third pillar members (31) is arranged to be connected to each other around at least one third center point (CP3), Each of the third horizontal beam members (32) is disposed radially relative to the at least one third center point (CP3).

[0096] According to the configuration of 2) above, the frame structure around the first center point (CP1) of the building (1) can be constructed from a plurality of first part members (10), the frame structure around the second center point (CP2) of the building (1) can be constructed from a plurality of second part members (20), and the frame structure around the third center point (CP3) of the building (1) can be constructed from a plurality of third part members (30). Because the frame structure around the first center point (CP1) of the building (1) can be constructed by decomposing it into a plurality of planar frames, the load transmission from the first horizontal beam member (12) to the first column member (11) forms a simple and clear balanced state. Since the frame structure around the second center point (CP2) of the building (1) and the frame structure around the third center point (CP3) can also be decomposed into multiple planar frames, the load transfer from the second horizontal beam member (22) to the second column member (21) and the load transfer from the third horizontal beam member (32) to the third column member (31) also form a simple and clear balanced state.

[0097] Furthermore, according to the configuration of 2) above, the multiple first sub-components (10) arranged around the first center point (CP1) can be divided into individual first sub-components (10) and reused, the multiple second sub-components (20) arranged around the second center point (CP2) can be divided into individual second sub-components (20) and reused, and the multiple third sub-components (30) arranged around the third center point (CP3) can be divided into individual third sub-components (30) and reused. This improves the reusability of the components that make up the building (1).

[0098] 3) In some embodiments, the building (1) described in 1) or 2) above, Each of the plurality of first part members (10) is a first diagonal member (15) connecting a first height position (VP1) of the first pillar member (11) and a first horizontal position (HP1) of the first horizontal beam member (12); The first pillar member (11) further includes a second diagonal member (16) that connects a second height position (VP2) that is lower than the first height position in the first pillar member (11) to a second horizontal position (HP2) that is closer to the base end than the first horizontal position in the first horizontal beam member (12), and the second diagonal member (16) intersects with the first diagonal member (15).

[0099] According to the configuration of 3), the first horizontal position (HP1) of the first horizontal beam member 12 can be supported by the first column member 11 via the first diagonal member 15, and the second horizontal position (HP2) of the first horizontal beam member 12 can be supported by the first column member 11 via the second diagonal member 16. In this case, the load acting on the first horizontal beam member 12 can be dispersed and transmitted to the first column member 11 via the first diagonal member 15 and the second diagonal member 16, thereby firmly supporting the first horizontal beam member 12. Furthermore, according to the configuration of 3), the correspondence between the first diagonal member 15 and the second diagonal member 16 and the first column member 11 and the first horizontal beam member 12 is clear for each of the multiple first part members 10, making it easy to reuse the first diagonal member 15 and the second diagonal member 16.

[0100] 4) In some embodiments, the building (1) described in 3) above, Each of the plurality of first part members (10) is a third diagonal member (17) connecting a third horizontal position (HP3) on the first horizontal beam member (12) that is closer to the tip end than the first horizontal position and the first diagonal member (15); The first horizontal beam member (12) further includes a fourth horizontal position (HP4) that is closer to the base end than the second horizontal position and a fourth diagonal member (18) that connects the second diagonal member (16) and intersects with the first diagonal member (15).

[0101] According to the configuration of 4) above, the load acting on the first horizontal beam member 12 can be dispersed and transmitted to the first column member 11 via the third diagonal member 17 and the fourth diagonal member 18, thereby firmly supporting the first horizontal beam member 12. Furthermore, according to the configuration of 4) above, the correspondence between each of the multiple first part members 10 and the third diagonal member 17 and the fourth diagonal member 18 and the constituent members (other members) of the first part member 10 connected thereto, such as the first horizontal beam member 12, is clear, making it easy to reuse the third diagonal member 17 and the fourth diagonal member 18.

[0102] 5) In some embodiments, the building (1) described in 3) or 4) above, A first groove portion (152) is formed on an opposing surface (151) of the first inclined member (15) that intersects with the second inclined member (16), A second groove (162) that fits into the first groove (152) is formed on an opposing surface (161) of the second inclined member (16) that intersects with the first inclined member (15).

[0103] According to the above configuration 5), the first groove (152) and the second groove (162) are fitted together, thereby increasing the rigidity of the first inclined member (15) and the second inclined member (16).

[0104] 6) In some embodiments, the building (1) described in any one of 1) to 5) above, The first length is L1, The second length is L2, When the third length is L3, the following formulas (1) and (2) are satisfied. (2√3-3)×0.95 <L2 / L1<(2√3-3)×1.05···(1) (2-√3)×0.95 <L3 / L1<(2-√3)×1.05···(2)

[0105] According to the configuration of 6) above, by connecting the tips of three types of horizontal beam members (12, 22, 32) of different lengths to two other types of horizontal beam members of different lengths, a right-angled triangular (RT) beam structure can be formed with vertices at the first center point (CP1), second center point (CP2), and third center point (CP3). In the building (1), the horizontal beam members (12, 22, 32) are connected on the same straight line, and the radial framework of each center point (CP1, CP2, CP3) including these horizontal beam members exists in the same plane, so load transfer between the frameworks is simple and clear as in-plane stress. Furthermore, by providing this right-angled triangular (RT) beam structure, the three types of horizontal beam members (12, 22, 32) are firmly connected to each other, improving the in-plane rigidity of the building's roof.

[0106] 7) In some embodiments, the building (1) described in any one of 1) to 6) above, Each of the plurality of first part members (10), the plurality of second part members (20), and the plurality of third part members (30) is made of laminated wood.

[0107] According to the configuration of 7) above, by using laminated timber for each of the plurality of first sub-components (10), the plurality of second sub-components (20), and the plurality of third sub-components (30), it is possible to reduce the variation in strength between the sub-components compared to when they are made of solid wood, thereby increasing the design strength of the building 1. Furthermore, because laminated timber is a standardized product, it is easy to mathematically calculate the structural strength of the building 1.

[0108] 8) A building (7) according to at least one embodiment of the present disclosure, A building (4) reconstructed using a part of the components constituting the building (1) described in any one of 1) to 7) above as a component, a plurality of first reconstructing part members (8A), each including a pair of the first horizontal beam members (12) connected with their tip ends (121, 121) butting against each other; a plurality of second reconstructing part members (8B), each including a pair of the second horizontal beam members (22) connected with their tip ends (221, 221) butting against each other; or a plurality of third reconstructing part members (8C), each including a pair of the third horizontal beam members (32) connected with their tip ends (321, 321) butting against each other; a plurality of reconstructed part members (8) each consisting of one of the above, wherein the reconstructed part members (8) are arranged at intervals along a second direction perpendicular to a first direction which is an extension direction of the reconstructed part members (8) in the horizontal direction; and at least one connecting beam member (9) extending along the second direction and connecting a pair of reconstructing part members (8, 8) adjacent to each other in the second direction.

[0109] According to the configuration of 8) above, by combining a reconstructed part member (8) including any of the horizontal beam members (12, 22, 32) that are constituent members of the building (1) with a connecting beam member (9), a new building (7) can be constructed that reuses constituent members such as the beam members (12, 22, 32) of the building (1). [Explanation of symbols]

[0110] 1,7,7A~7D Building 2 Pillar members 3 Horizontal beam member 8 Reconstructed parts 8A First Reconstruction Parts 8B Second Reconstruction Parts 8C Third Reconstruction Parts 9 Connecting beam member 10 First part component 10A First Arc 11,11A,11B 1st pillar member 12, 12A, 12B First horizontal beam member 13, 23, 33 Cylindrical body 14, 24, 34 Fastening bolts 15 1st diagonal member 16 2nd diagonal member 17 Third diagonal member 18 4th diagonal member 20 Second part member 20A, 20B, 20C Second arc 21,21A,21B 2nd pillar member 22, 22A, 22B Second horizontal beam member 25,35 Diagonal member 30 Third part material 30A Third Arc 31,31A,31B 3rd pillar member 32, 32A, 32B Third horizontal beam member 111,211,311 Upper end 121,221,321 Tip 122,222,322 Proximal end 151,161 Opposite surfaces 152 First groove 153,153A,153B 1st bottom 154,154A,154B 2nd bottom 162 Second groove 163,163A,163B 3rd bottom 164, 164A, 164B 4th bottom BP1 1st base point BP2 2nd base point CP1 1st center point CP2 2nd center point CP3 3rd center point HP1 1st horizontal position HP2 2nd horizontal position HP3 3rd horizontal position HP4 4th horizontal position IC inner feelings L1 First length L2 Second length L3 Third length R1 First radius R2 2nd radius R3 3rd radius RT right triangle T1 triangle VP1 First height position VP2 Second height position

Claims

1. A building comprising a plurality of first part members, a plurality of second part members, and a plurality of third part members, Each of the plurality of first part members comprises: a first pillar member extending along a vertical direction; a first horizontal beam member extending from the first pillar member along a horizontal direction perpendicular to the vertical direction, the first horizontal beam member having a first length; Each of the plurality of second part members comprises: a second pillar member extending along the vertical direction; a second horizontal beam member extending from the second column member along the horizontal direction, the second horizontal beam member having a second length that is shorter than the first length; Each of the plurality of third part members comprises: a third pillar member extending along the vertical direction; a third horizontal beam member extending from the third column member along the horizontal direction, the third horizontal beam member having a third length that is shorter than the second length; a tip end of the first horizontal beam member is connected to a tip end of at least one of the second horizontal beam member or the third horizontal beam member; a tip end of the second horizontal beam member is connected to a tip end of at least one of the first horizontal beam member or the third horizontal beam member; The tip end of the third horizontal beam member is connected to the tip end of at least one of the first horizontal beam member or the second horizontal beam member. architecture.

2. The plurality of first part members include: each of the first post members is disposed in connection with one another about at least one first central point; each of the first horizontal beam members is radially disposed relative to the at least one first center point; The plurality of second part members include: each of the second post members is disposed in connection with one another about at least one second center point; each of the second horizontal beam members is radially disposed relative to the at least one second center point; The plurality of third part members include: each of the third post members is disposed in connection with one another around at least one third central point; Each of the third horizontal beam members is radially disposed about the at least one third center point. The building according to claim 1.

3. Each of the plurality of first part members comprises: a first diagonal member connecting a first height position of the first pillar member and a first horizontal position of the first horizontal beam member; The first pillar member further includes a second diagonal member that connects a second height position that is lower than the first height position of the first pillar member and a second horizontal position that is closer to the base end than the first horizontal position of the first horizontal beam member, and that intersects with the first diagonal member.

3. The building according to claim 1 or 2.

4. Each of the plurality of first part members comprises: a third diagonal member connecting a third horizontal position on the first horizontal beam member that is closer to the tip end than the first horizontal position and the first diagonal member; The fourth diagonal member connects a fourth horizontal position on the first horizontal beam member that is closer to the base end than the second horizontal position to the second diagonal member, and the fourth diagonal member intersects with the first diagonal member. The building according to claim 3.

5. a first groove portion is formed on an opposing surface of the first inclined member that intersects with the second inclined member; A second groove portion that fits into the first groove portion is formed on an opposing surface of the second inclined member that intersects with the first inclined member.

5. The building according to claim 3 or 4.

6. The first length is L1, The second length is L2, When the third length is L3, the following formulas (1) and (2) are satisfied: A building according to any one of claims 1 to 5. (2√3-3)×0.95<L2 / L1<(2√3-3)×1.05...(1) (2-√3)×0.95<L3 / L1<(2-√3)×1.05...(2)

7. Each of the plurality of first part members, the plurality of second part members, and the plurality of third part members is made of laminated wood. A building according to any one of claims 1 to 6.

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