building

Abstract

To provide a building that can increase the degree of freedom in design. [Solution] The building comprises a sloped roof, a first exterior wall, and a second exterior wall (13). The first exterior wall is located on the belowwater side of the sloped roof. The second exterior wall (13) is set back from the first exterior wall toward the abovewater side of the sloped roof. The second exterior wall (13) has a lower beam (31), an upper beam (32), and a connecting member (33). The lower beam (31) is located at the same height as the eaves beam located at the upper end of the first exterior wall. The upper beam (32) is located above the lower beam (31). The connecting member (33) is disposed between the lower beam (31) and the upper beam (32), and connects the lower beam (31) and the upper beam (32). The connecting member (33) is composed of a beam member (33a).

Description

Technical Field

[0001] The present invention relates to a building.

Background Art

[0002] The building described in Patent Document 1 includes a sloped roof, a first outer wall located on the lower water side of the sloped roof, and a second outer wall set back on the upper water side of the sloped roof with respect to the first outer wall. The second outer wall has a lower horizontal member, an upper horizontal member, and a connecting member. The lower horizontal member is located at the same height as the eaves horizontal member located at the upper end of the first outer wall. The upper horizontal member is located above the lower horizontal member. The connecting member is disposed between the lower horizontal member and the upper horizontal member and connects the lower horizontal member and the upper horizontal member. The connecting member is constituted by a square frame-shaped frame member.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] As the setback amount of the second outer wall with respect to the first outer wall decreases, the distance between the lower horizontal member and the upper horizontal member in the vertical direction decreases. Also, as the slope of the sloped roof becomes gentler, the distance between the lower horizontal member and the upper horizontal member in the vertical direction decreases. When the distance between the lower horizontal member and the upper horizontal member in the vertical direction decreases, it becomes difficult to dispose a frame member between the lower horizontal member and the upper horizontal member. Therefore, there were limitations on the setback amount of the second outer wall with respect to the first outer wall and the slope of the sloped roof.

Means for Solving the Problems

[0005] (1) A building that solves the above problem comprises a sloping roof, a first exterior wall located on the downstream side of the sloping roof, and a second exterior wall set back on the upstream side of the sloping roof relative to the first exterior wall, wherein the second exterior wall has a lower horizontal member located at the same height as the eaves horizontal member located at the upper end of the first exterior wall, an upper horizontal member located above the lower horizontal member, and a connecting member disposed between the lower horizontal member and the upper horizontal member and connecting the lower horizontal member and the upper horizontal member, wherein the connecting member is made of a beam member.

[0006] With this configuration, since the connecting members are made up of beam members, even when the distance between the lower and upper horizontal members in the vertical direction is small, the connecting members can be placed between the lower and upper horizontal members. Therefore, it becomes possible to reduce the setback amount of the second exterior wall relative to the first exterior wall, or to make the slope of the sloping roof gentler, thereby increasing the degree of freedom in the design of the building.

[0007] (2) In the building described in (1) above, the upper horizontal member and the lower horizontal member each have a horizontal member web, an upper horizontal member flange provided at the upper end of the horizontal member web, and a lower horizontal member flange provided at the lower end of the horizontal member web, and the horizontal member web of the upper horizontal member and the horizontal member web of the lower horizontal member overlap in plan view, and the support member has a support web that overlaps the horizontal member web in plan view, an upper support flange provided at the upper end of the support web, and a lower support flange provided at the lower end of the support web. With this configuration, the support members can efficiently support the vertical load.

[0008] (3) In the building described in (2) above, the support member further has side flanges provided at both ends of the support web. With this configuration, the support members can efficiently withstand the horizontal load in the direction in which the upper and lower horizontal members extend. Therefore, the strength of the second outer wall against horizontal shaking such as earthquakes can be increased without the need for reinforcing members such as braces.

[0009] (4) In the building described in (3) above, the width of the upper support flange, the width of the lower support flange, the width of the side flange, the width of the lower horizontal member flange of the upper horizontal member, and the width of the upper horizontal member flange of the lower horizontal member are the same. With this configuration, the support members can more stably withstand vertical loads.

[0010] (5) In any one of the buildings described in (2) to (4) above, the upper horizontal member, the support member, and the lower horizontal member are connected by connecting bolts that pass through the lower horizontal member flange of the upper horizontal member, the upper support flange, the lower support flange, and the upper horizontal member flange of the lower horizontal member.

[0011] With this configuration, the upper horizontal member, the support member, and the lower horizontal member are connected together by a single connecting bolt. This improves workability compared to the case where the support member and the lower horizontal member are connected by a separate bolt from the bolt connecting the upper horizontal member and the support member. Furthermore, the connecting bolt itself can bear the tensile force.

[0012] (6) In any one of the buildings described in (1) to (5) above, the second exterior wall has an exterior wall panel, and the exterior wall panel is attached to the lower horizontal member via an attachment member. This configuration eliminates the need to shape the support members in a way that allows for the attachment of exterior wall panels, thus increasing the flexibility of the support member shapes.

[0013] (7) In the building described in (6) above, the mounting member and the lower horizontal member are connected by a plurality of mounting bolts arranged in the vertical direction, and the dimensions of the lower horizontal member in the vertical direction are greater than the dimensions of the support member in the vertical direction.

[0014] According to this configuration, compared with the case where the outer wall panel is attached to the bundling member via the attachment member and the attachment member and the bundling member are connected by a plurality of attachment bolts arranged in the vertical direction, the distance between the bolts in the vertical direction can be set larger. Therefore, it is possible to suppress the load applied by the attachment of the outer wall panel from being concentrated on the lower horizontal member.

Advantages of the Invention

[0015] According to the building of the present disclosure, the degree of freedom in design can be increased.

Brief Description of the Drawings

[0016] [Figure 1] It is a perspective view of the building. [Figure 2] It is a side view of the building. [Figure 3] It is a side view of the second outer wall. [Figure 4] It is a cross-sectional view of the second outer wall along the line 4-4 in FIG. 3. [Figure 5] It is a perspective view of the bundling member in the embodiment. [Figure 6] It is a perspective view of the bundling member in the modification example.

Modes for Carrying Out the Invention

[0017] Referring to FIGS. 1 to 5, the building 10 of the present embodiment will be described. The building 10 of the present embodiment is a house. As shown in FIGS. 1 and 2, the building 10 includes a pitched roof 11. The pitched roof 11 of the present embodiment constitutes a single-slope roof. The pitch of the pitched roof 11 of the present embodiment is a 2.5-inch pitch. In the following description, when the direction in which the pitched roof 11 slopes is decomposed into a vertical direction component and a horizontal direction component, the direction along the horizontal direction component is defined as the first direction X. The direction orthogonal to the first direction X and the vertical direction Z is defined as the second direction Y.

[0018] The building 10 includes a first outer wall 12 and a second outer wall 13. The first outer wall 12 and the second outer wall 13 each constitute an outer wall along the second direction Y among the outer walls of the building 10. The first outer wall 12 is located on the underwater side of the pitched roof 11 in the first direction X. The first outer wall 12 has a eave girder 21 as an eaves cross member. The eave girder 21 is located at the upper end of the first outer wall 12. The eave girder 21 extends in the second direction Y. The second outer wall 13 is set back above the pitched roof 11 with respect to the first outer wall 12. In this embodiment, the setback amount of the second outer wall 13 with respect to the first outer wall 12 is 1 m.

[0019] The second outer wall 13 has a lower girder 31 as a lower cross member, an upper girder 32 as an upper cross member, and a connecting member 33. The lower girder 31 is located at the same height as the eave girder 21 of the first outer wall 12. The upper girder 32 is located above the lower girder 31. The lower girder 31 and the upper girder 32 each extend in the second direction Y. The connecting member 33 is arranged between the lower girder 31 and the upper girder 32 in the vertical direction Z. The connecting member 33 connects the lower girder 31 and the upper girder 32 in the vertical direction Z. A plurality of connecting members 33 are provided at a predetermined interval in the second direction Y (see FIG. 1). Each connecting member 33 is constituted by a bundle member 33a extending in the vertical direction Z. The lower girder 31 and the upper girder 32 are connected only by the bundle member 33a.

[0020] As shown in FIGS. 3 and 4, the lower girder 31 and the upper girder 32 are each constituted by a H-shaped steel. The lower girder 31 and the upper girder 32 each have a girder web 40 as a cross member web, an upper girder flange 41 as an upper cross member flange, and a lower girder flange 42 as a lower cross member flange. The upper girder flange 41 is provided at the upper end of the girder web 40. The lower girder flange 42 is provided at the lower end of the girder web 40.

[0021] The girder web 40 of the upper girder 32 and the girder web 40 of the lower girder 31 overlap in a plan view. As the setback amount of the second outer wall 13 relative to the first outer wall 12 decreases, the height of the upper girder 32 decreases, and the distance between the lower girder flange 42 of the upper girder 32 and the upper girder flange 41 of the lower girder 31 decreases in the vertical direction Z. Also, as the slope of the pitched roof 11 decreases, the height of the upper girder 32 decreases, and the distance between the lower girder flange 42 of the upper girder 32 and the upper girder flange 41 of the lower girder 31 decreases in the vertical direction Z. In this embodiment, the distance between the lower girder flange 42 of the upper girder 32 and the upper girder flange 41 of the lower girder 31 in the vertical direction Z is 50 mm.

[0022] As shown in Figure 4, a beam mounting plate 43 is provided on the girder web 40 of the upper girder 32. The first slope beam 14 and the second slope beam 15 are attached to the beam mounting plate 43. The first slope beam 14 and the second slope beam 15 each extend parallel to the sloped roof 11. The first slope beam 14 is located on the indoor side of the second exterior wall 13. The second slope beam 15 is located on the outdoor side of the second exterior wall 13.

[0023] As shown in Figure 5, the bundle member 33a has a bundle web 50, an upper bundle flange 51, and a lower bundle flange 52. The bundle web 50, the upper bundle flange 51, and the lower bundle flange 52 are each flat. The upper bundle flange 51 is provided at the upper end of the bundle web 50. The lower bundle flange 52 is provided at the lower end of the bundle web 50.

[0024] As shown in Figures 3 and 4, the support member 33a is located between the lower girder flange 42 of the upper girder 32 and the upper girder flange 41 of the lower girder 31. The support web 50 extends in the second direction Y in a plan view. In a plan view, the support web 50 overlaps with the girder web 40 of the upper girder 32 and the girder web 40 of the lower girder 31. The upper support flange 51 is positioned to overlap the lower surface of the lower girder flange 42 of the upper girder 32. The lower support flange 52 is positioned to overlap the upper surface of the upper girder flange 41 of the lower girder 31.

[0025] The dimensions of the lower beam 31 and the upper beam 32 in the vertical direction Z are both larger than the dimensions of the support member 33a in the vertical direction Z. In this embodiment, the dimensions of the support member 33a in the vertical direction Z are 50 mm.

[0026] As shown in Figures 3 and 5, the support member 33a further has side flanges 53 provided at both ends of the support web 50. Therefore, the support member 33a has two side flanges 53. Each of the two side flanges 53 is flat. The side flanges 53 are located at both ends of the support member 33a in the second direction Y. In this embodiment, the width of the upper support flange 51, the width of the lower support flange 52, the width of each side flange 53, the width of the lower girder flange 42 of the upper girder 32, and the width of the upper girder flange 41 of the lower girder 31 are the same.

[0027] The bundle member 33a in this embodiment is formed by welding a bundle web 50, an upper bundle flange 51, a lower bundle flange 52, and two side flanges 53. The bundle member 33a is formed, for example, as follows.

[0028] First, the upper end of the bundle web 50 and the lower surface of the upper bundle flange 51 are welded together, and the lower end of the bundle web 50 and the upper surface of the lower bundle flange 52 are welded together. Alternatively, the lower end of the bundle web 50 and the upper surface of the lower bundle flange 52 may be welded together after the upper end of the bundle web 50 and the lower surface of the upper bundle flange 51 have been welded together, or the upper end of the bundle web 50 and the lower surface of the upper bundle flange 51 may be welded together after the lower end of the bundle web 50 and the upper surface of the lower bundle flange 52 have been welded together.

[0029] Next, the upper ends of each side flange 53 are welded to the upper support flange 51, and the lower ends of each side flange 53 are welded to the lower support flange 52. The welding of each side flange 53 to the upper support flange 51, and the welding of each side flange 53 to the lower support flange 52, is performed from the outside of the support member 33a, rather than within the space enclosed by the upper support flange 51, the lower support flange 52, and the two side flanges 53.

[0030] In this embodiment, connecting bolts B are welded to the bundle member 33a. Two connecting bolts B are provided on each side of the bundle web 50. Therefore, a total of four connecting bolts B are provided on the bundle member 33a. Each connecting bolt B is made of a threaded rod. Therefore, each connecting bolt B does not have a head and is made only of a shaft portion with threads formed on its outer surface. Each connecting bolt B passes through the upper bundle flange 51 and the lower bundle flange 52. Each connecting bolt B is fixed to the bundle member 33a by welding to the upper bundle flange 51 and the lower bundle flange 52.

[0031] As shown in Figures 3 and 4, with the support member 33a positioned between the upper girder 32 and the lower girder 31, each connecting bolt B penetrates the lower girder flange 42 of the upper girder 32 and the upper girder flange 41 of the lower girder 31. Therefore, each connecting bolt B penetrates the lower girder flange 42 of the upper girder 32, the upper support flange 51 and lower support flange 52 of the support member 33a, and the upper girder flange 41 of the lower girder 31.

[0032] The upper end of each connecting bolt B extends above the upper surface of the lower girder flange 42 of the upper girder 32. The lower end of each connecting bolt B extends below the lower surface of the upper girder flange 41 of the lower girder 31. A connecting nut N is secured to the upper and lower ends of each connecting bolt B. In this way, the upper girder 32, the support member 33a, and the lower girder 31 are connected by the connecting bolts B and connecting nuts N.

[0033] The second exterior wall 13 comprises a plurality of exterior wall panels 34. The plurality of exterior wall panels 34 are arranged side by side in the vertical direction Z and the second direction Y. Some of the plurality of exterior wall panels 34 are attached to the lower beam 31 via mounting members 35.

[0034] The mounting member 35 includes a first mounting plate 61, a second mounting plate 62, a connecting plate 63, and a support portion 64. The first mounting plate 61 is positioned to overlap the outdoor side of the girder web 40 of the lower girder 31. The second mounting plate 62 is positioned to overlap the indoor side of the exterior wall panel 34. The connecting plate 63 connects the first mounting plate 61 and the second mounting plate 62 in a first direction X. The support portion 64 extends from the lower end of the second mounting plate 62 toward the outdoors. The exterior wall panel 34 is placed on the support portion 64. The support portion 64 supports the exterior wall panel 34.

[0035] The mounting member 35 is attached to the lower beam 31 by first mounting bolts B1, which serve as mounting bolts. In this embodiment, the mounting member 35 is attached to the lower beam 31 by two first mounting bolts B1 aligned in the vertical direction Z. Specifically, the first mounting bolts B1 pass through the first mounting plate 61 and the beam web 40 of the lower beam 31. A first mounting nut N1 is locked onto the first mounting bolts B1. This attaches the mounting member 35 to the lower beam 31.

[0036] The mounting member 35 is attached to the exterior wall panel 34 by second mounting bolts B2. In this embodiment, the mounting member 35 is attached to the exterior wall panel 34 by two second mounting bolts B2 aligned in the vertical direction Z. Specifically, a portion of the second mounting bolts B2 is embedded inside the exterior wall panel 34. A portion of the shaft of the second mounting bolts B2 protrudes from the indoor side surface of the exterior wall panel 34. The shaft of the second mounting bolts B2 passes through the second mounting plate 62. A second mounting nut N2 is locked onto the shaft of the second mounting bolts B2. This attaches the mounting member 35 to the exterior wall panel 34.

[0037] Therefore, the exterior wall panel 34 is attached to the lower beam 31 via the mounting member 35. The exterior wall panel 34 is not attached to the support member 33a. [Operation of this embodiment] The operation of this embodiment will now be explained.

[0038] The building 10 comprises a sloping roof 11, a first exterior wall 12, and a second exterior wall 13. The first exterior wall 12 is located on the downstream side of the sloping roof 11. The second exterior wall 13 is set back from the first exterior wall 12 on the upstream side of the sloping roof 11. The second exterior wall 13 has a lower beam 31, an upper beam 32, and a connecting member 33. The lower beam 31 is located at the same height as the eaves beam 21 located at the upper end of the first exterior wall 12. The upper beam 32 is located above the lower beam 31. The connecting member 33 is positioned between the lower beam 31 and the upper beam 32 and connects the lower beam 31 and the upper beam 32. As a result, the upper beam 32 is supported by the connecting member 33.

[0039] If the connecting member 33 is composed of a rectangular frame member, and the distance between the lower beam 31 and the upper beam 32 in the vertical direction Z is small, it becomes difficult to position the two horizontal axes of the frame member that extend horizontally between the lower beam 31 and the upper beam 32.

[0040] In contrast, since the connecting member 33 of this embodiment is composed of a bundle member 33a, the connecting member 33 can be placed between the lower girder 31 and the upper girder 32 even when the distance between the lower girder 31 and the upper girder 32 in the vertical direction Z is small.

[0041] [Effects of this embodiment] The effects of this embodiment will now be explained. (1) The connecting member 33 is composed of a support member 33a. Therefore, even when the distance between the lower beam 31 and the upper beam 32 in the vertical direction Z is small, the connecting member 33 can be placed between the lower beam 31 and the upper beam 32. Thus, it becomes possible to reduce the setback amount of the second outer wall 13 relative to the first outer wall 12, or to make the slope of the sloping roof 11 gentler, thereby increasing the design freedom of the building 10.

[0042] (2) The upper girder 32 and the lower girder 31 each have a girder web 40, an upper girder flange 41, and a lower girder flange 42. The upper girder flange 41 is provided at the upper end of the girder web 40. The lower girder flange 42 is provided at the lower end of the girder web 40. The girder web 40 of the upper girder 32 and the girder web 40 of the lower girder 31 overlap in a plan view. The support member 33a has a support web 50 that overlaps the girder web 40 in a plan view, an upper support flange 51 provided at the upper end of the support web 50, and a lower support flange 52 provided at the lower end of the support web 50. With this configuration, the support member 33a can efficiently receive vertical loads.

[0043] (3) The support member 33a further has side flanges 53 provided at both ends of the support web 50. With this configuration, the support member 33a can efficiently receive the horizontal load in the direction in which the lower girder 31 and upper girder 32 extend. Therefore, the strength of the second outer wall 13 against horizontal shaking such as earthquakes can be increased without providing reinforcing members such as braces.

[0044] Furthermore, when the bundle member 33a is produced by welding together multiple components that make up the bundle member 33a, the productivity of the bundle member 33a can be improved. Specifically, since the side flanges 53 are provided at both ends of the bundle web 50, the welding work between each side flange 53 and the upper bundle flange 51, and the welding work between each side flange 53 and the lower bundle flange 52 can be performed from the outside of the bundle member 33a. This reduces the amount of welding work that can be performed in the narrow space enclosed by the upper bundle flange 51, the lower bundle flange 52, and the two side flanges 53, thereby improving work efficiency.

[0045] (4) The width of the upper support flange 51, the width of the lower support flange 52, the width of each side flange 53, the width of the lower girder flange 42 of the upper girder 32, and the width of the upper girder flange 41 of the lower girder 31 are all the same. With this configuration, the support member 33a can receive the vertical load more stably.

[0046] (5) The upper girder 32, the support member 33a, and the lower girder 31 are connected by connecting bolts B that pass through the lower girder flange 42, upper support flange 51, and lower support flange 52 of the upper girder 32, and the upper girder flange 41 of the lower girder 31.

[0047] With this configuration, the upper girder 32, the support member 33a, and the lower girder 31 are connected together by a single connecting bolt B. This improves workability compared to the case where the support member 33a and the lower girder 31 are connected by a bolt separate from the bolt connecting the upper girder 32 and the support member 33a.

[0048] In more detail, if the bolts connecting the upper girder 32 and the support member 33a are different from the bolts connecting the support member 33a and the lower girder 31, the workability decreases for the following reasons. For example, when connecting the upper girder 32 and the support member 33a, the bolt is inserted through the lower girder flange 42 of the upper girder 32 and the upper support flange 51 of the support member 33a from the upper side of the lower girder flange 42 of the upper girder 32, or from between the upper support flange 51 and the lower support flange 52. However, if the distance between the upper support flange 51 and the lower support flange 52 is small, it is difficult to insert the bolt from between the upper support flange 51 and the lower support flange 52. In this case, after inserting the bolt from the upper side of the lower girder flange 42 of the upper girder 32, it is necessary to fasten a nut to the bolt between the upper support flange 51 and the lower support flange 52. However, since it is necessary to fasten the nut to the bolt in the narrow space between the upper support flange 51 and the lower support flange 52, the workability decreases. This problem occurs not only when connecting the upper beam 32 to the support member 33a, but also when connecting the support member 33a to the lower beam 31.

[0049] In contrast, in this embodiment, the connecting nut N can be locked to the connecting bolt B on the upper side of the lower girder flange 42 of the upper girder 32, and on the lower side of the upper girder flange 41 of the lower girder 31. In other words, it is not necessary to lock the connecting nut N to the connecting bolt B in the narrow space between the upper support flange 51 and the lower support flange 52, thus improving work efficiency.

[0050] Furthermore, the connecting bolt B itself can bear the tensile force. (6) The second exterior wall 13 has an exterior wall panel 34. The exterior wall panel 34 is attached to the lower beam 31 via an attachment member 35. With this configuration, it is not necessary to make the support member 33a into a shape that allows the exterior wall panel 34 to be attached, thus increasing the degree of freedom in the shape of the support member 33a.

[0051] (7) The mounting member 35 and the lower beam 31 are connected by two first mounting bolts B1 aligned in the vertical direction Z. The dimensions of the lower beam 31 in the vertical direction Z are greater than the dimensions of the support member 33a in the vertical direction Z.

[0052] With this configuration, the distance between the first mounting bolts B1 in the vertical direction Z can be set to be larger compared to the case where the exterior wall panel 34 is attached to the support member 33a via the mounting member 35, and the mounting member 35 and the support member 33a are connected by two first mounting bolts B1 aligned in the vertical direction Z. Therefore, it is possible to suppress the concentration of the load due to the attachment of the exterior wall panel 34 on the lower beam 31.

[0053] (8) The connecting bolt B is welded to the support member 33a. With this configuration, the connecting bolt B and the support member 33a are integrated, which further improves ease of installation. <Example of changes> The above embodiments are illustrative of possible forms of the building 10 and are not intended to limit its form. The building 10 may take forms different from those illustrated in the above embodiments. Examples include forms in which some of the configurations of the embodiments are replaced, modified, or omitted, or forms in which new configurations are added to the embodiments. Modifications of the embodiments are shown below.

[0054] Building 10 is not limited to residential buildings. The sloping roof 11 does not necessarily have to constitute a single-slope roof. • The horizontal members are not limited to girders; beams may also be used.

[0055] The shape of the bundle member 33a may be changed as appropriate. For example, the bundle member 33a may be in the shape of a block. As another example, as shown in Figure 6, the bundle member 33a may have a crossing web 54 instead of the two side flanges 53 of the above embodiment. The crossing web 54 is located between the upper bundle flange 51 and the lower bundle flange 52. The crossing web 54 intersects the bundle web 50 in plan view. In the example shown in Figure 5, the crossing web 54 is perpendicular to the bundle web 50 in plan view. Even in this case, at least the effects (1) and (2) of the above embodiment are obtained.

[0056] The widths of the upper beam flange 51, the lower beam flange 52, the sides of each side flange 53, the lower girder flange 42 of the upper girder 32, and the upper girder flange 41 of the lower girder 31 do not have to be the same. Even in this case, at least the effect (1) of the above embodiment can be obtained.

[0057] The lower beam 31 may be connected to the support member 33a by bolts other than those used to connect the upper beam 32 and the support member 33a. • The connecting bolt B does not need to be welded to the bundle member 33a.

[0058] • The connecting bolt B does not necessarily have to be made of a threaded rod. The connecting bolt B may have a shaft portion and a head portion provided at one end of the shaft portion. The exterior wall panel 34 may be attached to the connecting member 33. In this case as well, at least the effect (1) of the above embodiment can be obtained.

[0059] The dimensions of the support member 33a in the vertical direction Z may be greater than or less than 50 mm. The dimensions of the support member 33a in the vertical direction Z are set according to the slope of the sloped roof 11, the setback amount of the second exterior wall 13 relative to the first exterior wall 12, and the dimensions of the lower beam 31 and upper beam 32 in the vertical direction Z, etc.

[0060] The dimension of the lower beam 31 in the vertical direction Z may be less than or equal to the dimension of the support member 33a in the vertical direction Z. The dimension of the upper beam 32 in the vertical direction Z may be less than or equal to the dimension of the support member 33a in the vertical direction Z.

[0061] The number of first mounting bolts B1 is not limited to two. There may be one or three or more first mounting bolts B1. The number of second mounting bolts B2 is not limited to two. There may be one or three or more second mounting bolts B2.

[0062] <Note> This specification discloses the following technologies: [Note 1] A building comprising a sloping roof, a first exterior wall located on the downstream side of the sloping roof, and a second exterior wall set back on the upstream side of the sloping roof relative to the first exterior wall, wherein the second exterior wall has a lower horizontal member located at the same height as the eaves horizontal member located at the upper end of the first exterior wall, an upper horizontal member located above the lower horizontal member, and a connecting member disposed between the lower horizontal member and the upper horizontal member and connecting the lower horizontal member and the upper horizontal member, wherein the connecting member is made of a beam member.

[0063] [Note 2] In the building described in Appendix 1, the upper horizontal member and the lower horizontal member each have a horizontal member web, an upper horizontal member flange provided at the upper end of the horizontal member web, and a lower horizontal member flange provided at the lower end of the horizontal member web. The horizontal member web of the upper horizontal member and the horizontal member web of the lower horizontal member overlap in a plan view. The support member has a support web that overlaps the horizontal member web in a plan view, an upper support flange provided at the upper end of the support web, and a lower support flange provided at the lower end of the support web.

[0064] [Note 3] In the building described in Appendix 2, the support member further has side flanges provided at both ends of the support web.

[0065] [Note 4] In the building described in Appendix 3, the width of the upper support flange, the width of the lower support flange, the width of the side flange, the width of the lower horizontal member flange of the upper horizontal member, and the width of the upper horizontal member flange of the lower horizontal member are the same.

[0066] [Note 5] In a building described in any one of the appendices 2 to 4, the upper horizontal member, the support member, and the lower horizontal member are connected by connecting bolts that pass through the lower horizontal member flange of the upper horizontal member, the upper support flange, the lower support flange, and the upper horizontal member flange of the lower horizontal member.

[0067] [Note 6] In the building described in Appendix 1, the second exterior wall has an exterior wall panel, and the exterior wall panel is attached to the lower horizontal member via an attachment member.

[0068] [Note 7] In the building described in Appendix 6, the mounting member and the lower horizontal member are connected by a plurality of mounting bolts arranged in the vertical direction, and the dimensions of the lower horizontal member in the vertical direction are larger than the dimensions of the support member in the vertical direction. [Explanation of symbols]

[0069] 10...Building, 11...Sloping roof, 12...First exterior wall, 13...Second exterior wall, 21...Eaves beam as a horizontal eaves member, 31...Lower beam as a lower horizontal member, 32...Upper beam as an upper horizontal member, 33...Connecting member, 33a...Bridge member, 34...Exterior wall panel, 35...Mounting member, 40...Girder web as a horizontal member web, 41...Upper girder flange as an upper horizontal member flange, 42...Lower girder flange as a lower horizontal member flange, 50...Bridge web, 51...Upper beam flange, 52...Lower beam flange, 53...Side flange, B...Connecting bolt, B1...First mounting bolt as a mounting bolt, Z...Vertical direction.

Claims

1. A sloping roof, The first exterior wall located on the lower side of the aforementioned sloping roof, A second exterior wall set back from the first exterior wall on the upstream side of the sloping roof, Equipped with, The second exterior wall is, A lower horizontal member located at the same height as the eaves horizontal member located at the upper end of the first exterior wall, An upper horizontal member located above the lower horizontal member, A connecting member is positioned between the lower horizontal member and the upper horizontal member, and connects the lower horizontal member and the upper horizontal member. A building having, The upper horizontal member and the lower horizontal member are, Horizontal structural web and An upper horizontal member flange provided at the upper end of the web of the aforementioned horizontal member, The lower horizontal member flange provided at the lower end of the web of the aforementioned horizontal member, It has, The web of the upper horizontal member and the web of the lower horizontal member overlap in a plan view. The aforementioned connecting member is composed of a bundle member, The aforementioned bundle member is A bundle web that overlaps the horizontal member web in a plan view, An upper bundle flange provided at the upper end of the bundle web, A lower bundle flange provided at the lower end of the bundle web, Side flanges provided at both ends of the bundle web, A building that has [a certain feature].

2. A sloping roof, The first exterior wall located on the lower side of the aforementioned sloping roof, A second exterior wall set back from the first exterior wall on the upstream side of the sloping roof, Equipped with, The second exterior wall is, A lower horizontal member located at the same height as the eaves horizontal member located at the upper end of the first exterior wall, An upper horizontal member located above the lower horizontal member, A connecting member is positioned between the lower horizontal member and the upper horizontal member, and connects the lower horizontal member and the upper horizontal member. A building having, The upper horizontal member and the lower horizontal member are, Horizontal structural web and An upper horizontal member flange provided at the upper end of the web of the aforementioned horizontal member, The lower horizontal member flange provided at the lower end of the web of the aforementioned horizontal member, It has, The web of the upper horizontal member and the web of the lower horizontal member overlap in a plan view. The aforementioned connecting member is composed of a bundle member, The aforementioned bundle member is A bundle web that overlaps the horizontal member web in a plan view, An upper bundle flange provided at the upper end of the bundle web, A lower bundle flange provided at the lower end of the bundle web, An intersecting web located between the upper and lower bundle flanges and intersecting the bundle web in a plan view, A building that has [a certain feature].

3. The building according to claim 1, wherein the width of the upper support flange, the width of the lower support flange, the width of the side flange, the width of the lower horizontal member flange of the upper horizontal member, and the width of the upper horizontal member flange of the lower horizontal member are the same.

4. The building according to any one of claims 1 to 3, wherein the upper horizontal member, the support member, and the lower horizontal member are connected by connecting bolts that pass through the lower horizontal member flange of the upper horizontal member, the upper support flange, the lower support flange, and the upper horizontal member flange of the lower horizontal member.

5. A sloping roof, The first exterior wall located on the lower side of the aforementioned sloping roof, A second exterior wall set back from the first exterior wall on the upstream side of the sloping roof, Equipped with, The second exterior wall is, A lower horizontal member located at the same height as the eaves horizontal member located at the upper end of the first exterior wall, An upper horizontal member located above the lower horizontal member, A connecting member is positioned between the lower horizontal member and the upper horizontal member, and connects the lower horizontal member and the upper horizontal member. A building having, The upper horizontal member and the lower horizontal member are, Horizontal structural web and An upper horizontal member flange provided at the upper end of the web of the aforementioned horizontal member, The lower horizontal member flange provided at the lower end of the web of the aforementioned horizontal member, It has, The web of the upper horizontal member and the web of the lower horizontal member overlap in a plan view. The aforementioned connecting member is composed of a bundle member, The aforementioned bundle member is A bundle web that overlaps the horizontal member web in a plan view, An upper bundle flange provided at the upper end of the bundle web, A lower bundle flange provided at the lower end of the bundle web, It has, A building in which the upper horizontal member, the support member, and the lower horizontal member are connected by connecting bolts that pass through the lower horizontal member flange of the upper horizontal member, the upper support flange, the lower support flange, and the upper horizontal member flange of the lower horizontal member.

6. A sloping roof, The first exterior wall located on the lower side of the aforementioned sloping roof, A second exterior wall set back from the first exterior wall on the upstream side of the sloping roof, Equipped with, The second exterior wall is, A lower horizontal member located at the same height as the eaves horizontal member located at the upper end of the first exterior wall, An upper horizontal member located above the lower horizontal member, A connecting member is positioned between the lower horizontal member and the upper horizontal member, and connects the lower horizontal member and the upper horizontal member. A building having, The aforementioned connecting member is composed of a bundle member, The second exterior wall has exterior wall panels, The exterior wall panel is attached to the lower horizontal member via a mounting member in the building.

7. The aforementioned mounting member and the aforementioned lower horizontal member are connected by a plurality of mounting bolts arranged in the vertical direction. The building according to claim 6, wherein the dimensions of the lower horizontal member in the vertical direction are greater than the dimensions of the support member in the vertical direction.

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