Building

Abstract

To improve ease of human communication between floors.SOLUTION: A building 1 includes: a central staircase 21; and a plurality of floors 31 provided around the central staircase 21 and different in height. Two of the plurality of floors 31 are connected to the central staircase 21, and are connected to each other by a travel passage 41 different from the central staircase 21.SELECTED DRAWING: Figure 6

Description

Technical Field

[0001] The present invention relates to a building.

Background Art

[0002] Buildings having a plurality of floors with different floor heights are known (for example, Patent Document 1). In the building described in Patent Document 1, a ladder is provided to connect floors with different floor heights, and people can move between each floor by the ladder.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] There is room for improvement in the ease of communication between people between floors.

Means for Solving the Problems

[0005] (1) The building that solves the above problems includes a central staircase and a plurality of floors provided around the central staircase and having different floor heights. Two of the plurality of floors are connected to the central staircase and are connected to each other by a movement passage different from the central staircase.

[0006] According to this configuration, since it is possible to move between floors by the central staircase or the movement passage, it is easy to move between floors. Therefore, it is easy for people to communicate between floors.

[0007] (2) In the building of (1) above, the plurality of floors includes a first floor different from the two floors connected to the central staircase, and the first floor is not connected to the central staircase and is directly or indirectly connected to at least one of the floors other than the first floor among the plurality of floors.

[0008] According to this configuration, since it is possible to move from at least one of the floors other than the first floor to the first floor, it is easy for people on the first floor and people on floors other than the first floor to communicate with each other.

[0009] (3) In the building described in (2) above, the ceiling height of the first floor is lower than the ceiling height of any of the two floors connected to the central staircase.

[0010] According to this configuration, since the first floor has a lower ceiling height than the two floors connected to the central staircase, the degree of freedom in the layout of the building is higher than that of the two floors connected to the central staircase.

[0011] (4) In the building described in (2) or (3) above, one of the two floors connected to the central staircase is the second floor, the second floor is connected to the central staircase, the floor height of the second floor is lower than the floor height of the first floor, the other of the two floors connected to the central staircase is the third floor, the third floor is connected to the central staircase, the floor height of the third floor is lower than the floor height of the second floor, and the first floor is movable only from at least one of the second floor and the third floor through the moving passage.

[0012] According to this configuration, since it is possible to move from at least one of the second floor and the third floor to the first floor, it is easy for people on the first floor and people on at least one of the second floor and the third floor to communicate with each other.

[0013] (5) In the building according to (4) above, the first floor has a first living area corresponding to a living space, the second floor has a second living area corresponding to a living space, and in the height direction of the building, the second living area does not overlap with the first living area. According to this configuration, the ceiling height of the second living area can be increased.

[0014] (6) In the building according to (5) above, the third floor has a third living area corresponding to a living space, and in the height direction of the building, the third living area does not overlap with the second living area. According to this configuration, the ceiling height of the third living area can be increased.

[0015] (7) In the building according to (5) or (6) above, the building includes a first outer wall and a second outer wall facing the first outer wall. The second floor faces the first outer wall and is adjacent to the first floor in plan view on the side opposite to the first outer wall. The first floor faces the second outer wall and is adjacent to the second floor in plan view on the side opposite to the second outer wall. A first boundary surface is defined between the first floor and the second floor, and a first lighting portion is provided at least in a portion of the first outer wall facing the first boundary surface. According to this configuration, light can be taken into the second floor by the first lighting portion.

[0016] (8) In the building according to (7) above, a first wall along the first boundary surface is provided between the first floor and the second floor, and a first opening connecting the second floor and the third floor is provided in the first wall.

[0017] According to this configuration, the light entering from the first lighting portion can be taken into the floors below the second floor through the first opening.

[0018] (9) In the building according to (8) above, the moving passage connecting the second floor and the third floor is provided in the first opening. According to this configuration, a person can move from the second floor to the third floor through the moving passage.

[0019] (10) In the building according to the above (8) or (9), the third floor faces the second outer wall, and on the side opposite to the second outer wall, it is adjacent to the second floor in plan view. A second boundary surface is defined between the second floor and the third floor, and a second daylighting portion is provided at least at a portion of the second outer wall facing the second boundary surface. According to this configuration, light can be taken into the third floor by the second daylighting portion.

[0020] (11) In the building according to the above (10), a second wall is provided between the second floor and the third floor along the second boundary surface, and a second opening is provided in the second wall.

[0021] According to this configuration, the light introduced from the first daylighting portion can be taken into the floors below the third floor through the second opening.

[0022] (12) In the building according to the above (10) or (11), the second daylighting portion includes an outer wall opening that opens to the outside, and the third floor has a first area that is connected to the outside through the outer wall opening. According to this configuration, light can be taken into the first area by the outer wall opening.

[0023] (13) In the building according to the above (12), the building further includes a third outer wall that connects the first outer wall and the second outer wall. The outer wall opening includes a first outer wall opening and a second outer wall opening. The first outer wall opening is provided in the second outer wall, and the second outer wall opening is provided in the third outer wall.

[0024] According to this configuration, light can be taken into the first area by the first outer wall opening and the second outer wall opening.

[0025] (14) In the building according to the above (13), the first area includes an entrance corner. According to this configuration, the first area can be arranged in the building.

[0026] (15) In the building described in (13) or (14) above, the first area is located directly below the first floor in the height direction of the building.

[0027] According to this configuration, the light introduced from the first lighting unit can be taken into the first area through the first opening.

[0028] (16) In the building described in any one of (13) to (15) above, the third floor further has a second area partitioned from the first area by a wall having an entrance / exit.

[0029] According to this configuration, a person can move between the first area and the second area by the wall having an entrance / exit.

[0030] (17) In the building described in any one of (4) to (16) above, the plurality of floors further include the two floors connected to the central staircase and a fourth floor different from the first floor. The floor height of the fourth floor is lower than the floor height of the first floor and higher than that of the second floor. The fourth floor is connected to the central staircase and is connected to the outside through a ceiling opening that opens to the outside.

[0031] According to this configuration, a person can obtain a sense of liberation on the fourth floor through the ceiling opening.

Advantages of the Invention

[0032] According to the present disclosure, it is easy for people to communicate between floors.

Brief Description of the Drawings

[0033]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Figure 10

Figure 11

Figure 12

Mode for Carrying Out the Invention

[0034] (Embodiment) With reference to FIGS. 1 to 12, the building 1 according to this embodiment will be described.

[0035] <Building> As shown in FIG. 1, the building 1 includes a first outer wall 11, a second outer wall 12 facing the first outer wall 11, and the first outer wall 11 partitions the interior and the exterior. The second outer wall 12 partitions the interior and the exterior. The building 1 further includes a third outer wall 13 connecting the first outer wall 11 and the second outer wall 12. The third outer wall 13 partitions the interior and the exterior. The building 1 further includes a fourth outer wall 14 facing the third outer wall 13. The fourth outer wall 14 connects the first outer wall 11 and the second outer wall 12. The fourth outer wall 14 partitions the interior and the exterior.

[0036] In plan view, the building 1 has an interior space S surrounded by the first outer wall 11, the second outer wall 12, the third outer wall 13, and the fourth outer wall 14. The building 1 is rectangular in plan view. The building 1 is rectangular in side view.

[0037] The building 1 includes a roof 2. In one example, the roof 2 is a gable roof. The roof 2 includes a ceiling opening 2A that opens to the outside. The ceiling opening 2A is rectangular. A skylight may be provided in the ceiling opening 2A.

[0038] <Outer wall opening> At least one of the first outer wall 11, the second outer wall 12, the third outer wall 13, and the fourth outer wall 14 includes an outer wall opening 15. The outer wall opening 15 opens to the outside. The outer wall opening 15 includes a first outer wall opening 15A and a second outer wall opening 15B. Window sashes are not provided in the first outer wall opening 15A and the second outer wall opening 15B. The first outer wall opening 15A and the second outer wall opening 15B are configured to always be open.

[0039] The first outer wall opening 15A is provided in the second outer wall 12. The second outer wall opening 15B is provided in the third outer wall 13. The first outer wall opening 15A and the second outer wall opening 15B are rectangular. The first outer wall opening 15A and the second outer wall opening 15B are substantially the same size.

[0040] As shown in FIGS. 3 and 5, the outer wall opening 15 includes a third outer wall opening 15C. The third outer wall opening 15C is provided in the first outer wall 11. The third outer wall opening 15C is provided on the third outer wall 13 side of the first outer wall 11. The third outer wall opening 15C is rectangular. The third outer wall opening 15C may be circular or triangular. For example, a window is provided in the third outer wall opening 15C.

[0041] The outer wall opening 15 includes a fourth outer wall opening 15D. The fourth outer wall opening 15D is provided in the first outer wall 11. The fourth outer wall opening 15D is provided below the third outer wall opening 15C. The fourth outer wall opening 15D is rectangular. The fourth outer wall opening 15D may be circular or triangular. The fourth outer wall opening 15D is smaller than the third outer wall opening 15C. For example, a window is provided in the fourth outer wall opening 15D.

[0042] As shown in FIGS. 2 and 4, the outer wall opening 15 includes a fifth outer wall opening 15E. The fifth outer wall opening 15E is provided in the second outer wall 12. The fifth outer wall opening 15E is provided on the side of the fourth outer wall 14 of the second outer wall 12. The fifth outer wall opening 15E is rectangular. The fifth outer wall opening 15E may be circular or triangular. The fifth outer wall opening 15E is larger than the first outer wall opening 15A and the seventh outer wall opening 15G. For example, a window is provided in the fifth outer wall opening 15E.

[0043] The outer wall opening 15 includes a sixth outer wall opening 15F. The sixth outer wall opening 15F is provided in the second outer wall 12. The sixth outer wall opening 15F is provided on the side of the fourth outer wall 14 of the second outer wall 12. The sixth outer wall opening 15F is provided above the fifth outer wall opening 15E in the height direction Z of the building 1. The sixth outer wall opening 15F is rectangular. The sixth outer wall opening 15F is the smallest among the outer wall openings 15 provided in the second outer wall 12. For example, a window is provided in the sixth outer wall opening 15F.

[0044] The outer wall opening 15 includes a seventh outer wall opening 15G. The seventh outer wall opening 15G is provided in the second outer wall 12. The seventh outer wall opening 15G is provided on the side of the third outer wall 13 of the second outer wall 12. The seventh outer wall opening 15G is provided below the first outer wall opening 15A in the height direction Z.

[0045] The seventh outer wall opening 15G is rectangular. The seventh outer wall opening 15G may be circular or triangular. For example, a window is provided in the seventh outer wall opening 15G. The fifth outer wall opening 15E and the seventh outer wall opening 15G are arranged side by side horizontally. The seventh outer wall opening 15G is substantially the same size as the first outer wall opening 15A. For example, a window is provided in the seventh outer wall opening 15G.

[0046] As shown in FIG. 5, the outer wall opening 15 includes an eighth outer wall opening 15H. The eighth outer wall opening 15H is provided in the third outer wall 13. The eighth outer wall opening 15H is provided on the side of the second outer wall 12 of the third outer wall 13. The eighth outer wall opening 15H is provided below the second outer wall opening 15B. The eighth outer wall opening 15H is rectangular. The eighth outer wall opening 15H may be circular or triangular. For example, a window is provided in the eighth outer wall opening 15H.

[0047] The outer wall opening 15 includes a ninth outer wall opening 15K. The ninth outer wall opening 15K is provided in the third outer wall 13. The ninth outer wall opening 15K is provided above the side of the first outer wall 11 of the third outer wall 13. The ninth outer wall opening 15K is rectangular. The ninth outer wall opening 15K may be circular or triangular. For example, a window is provided in the ninth outer wall opening 15K.

[0048] The outer wall opening 15 includes a tenth outer wall opening 15M. The tenth outer wall opening 15M is provided in the third outer wall 13. The tenth outer wall opening 15M is provided between the second outer wall opening 15B and the ninth outer wall opening 15K in the horizontal direction. The tenth outer wall opening 15M is rectangular. The tenth outer wall opening 15M may be circular or triangular. For example, a window is provided in the tenth outer wall opening 15M.

[0049] The outer wall opening 15 includes an eleventh outer wall opening 15N. The eleventh outer wall opening 15N is provided in the third outer wall 13. The eleventh outer wall opening 15N is provided on the side of the first outer wall 11 of the third outer wall 13. The eleventh outer wall opening 15N is provided below the ninth outer wall opening 15K. The eleventh outer wall opening 15N is rectangular. The eleventh outer wall opening 15N may be circular or triangular. The eleventh outer wall opening 15N is substantially the same size as the ninth outer wall opening 15K. For example, a window is provided in the eleventh outer wall opening 15N.

[0050] The second outer wall opening 15B is larger than the eighth outer wall opening 15H, the ninth outer wall opening 15K, the tenth outer wall opening 15M, and the eleventh outer wall opening 15N. The eighth outer wall opening 15H is larger than the ninth outer wall opening 15K, the tenth outer wall opening 15M, and the eleventh outer wall opening 15N. The tenth outer wall opening 15M is larger than the ninth outer wall opening 15K and the eleventh outer wall opening 15N.

[0051] As shown in FIGS. 3 and 4, the outer wall opening 15 includes a twelfth outer wall opening 15P. The twelfth outer wall opening 15P is provided in the fourth outer wall 14. The twelfth outer wall opening 15P is rectangular. The twelfth outer wall opening 15P has a size that allows people to enter and exit, for example. The twelfth outer wall opening 15P is provided on the first outer wall 11 side of the fourth outer wall 14. A front door is provided in the twelfth outer wall opening 15P, for example.

[0052] The outer wall opening 15 includes a thirteenth outer wall opening 15R. The thirteenth outer wall opening 15R is provided in the fourth outer wall 14. The thirteenth outer wall opening 15R is provided on the first outer wall 11 side of the fourth outer wall 14. The thirteenth outer wall opening 15R is provided above the twelfth outer wall opening 15P in the height direction Z. The thirteenth outer wall opening 15R is rectangular. The thirteenth outer wall opening 15R may be circular or triangular. A window is provided in the thirteenth outer wall opening 15R, for example.

[0053] The outer wall opening 15 includes a fourteenth outer wall opening 15S. The fourteenth outer wall opening 15S is provided in the fourth outer wall 14. The fourteenth outer wall opening 15S is provided on the first outer wall 11 side of the fourth outer wall 14. The fourteenth outer wall opening 15S is rectangular. The fourteenth outer wall opening 15S may be circular or triangular. A window is provided in the fourteenth outer wall opening 15S, for example.

[0054] The fourteenth outer wall opening 15S is provided above the thirteenth outer wall opening 15R in the height direction Z. The thirteenth outer wall opening 15R and the fourteenth outer wall opening 15S are arranged side by side above the twelfth outer wall opening 15P in the height direction Z.

[0055] The outer wall opening 15 includes the 15th outer wall opening 15T. The 15th outer wall opening 15T is provided on the 4th outer wall 14. The 15th outer wall opening 15T is provided on the 2nd outer wall 12 side of the 4th outer wall 14. The 15th outer wall opening 15T is rectangular. The 15th outer wall opening 15T may be circular or triangular. For example, a window is provided in the 15th outer wall opening 15T. The 15th outer wall opening 15T is substantially the same size as the 6th outer wall opening 15F.

[0056] <Central staircase> As shown in FIGS. 6 to 9, the building 1 includes a central staircase 21 and a plurality of floors 31 provided around the central staircase 21 and having different floor heights. The plurality of floors 31 will be described later.

[0057] The central staircase 21 is provided in the indoor space S. The central staircase 21 extends from the reference floor 3 to the roof 2. The central staircase 21 is provided substantially at the center of the building 1. In one example, the central staircase 21 is a spiral staircase. The central staircase 21 may be a straight staircase, a turning staircase, or a circular staircase.

[0058] The building 1 includes a central staircase arrangement portion 22. The central staircase arrangement portion 22 is provided substantially at the center of the building 1. The central staircase 21 is arranged in the central staircase arrangement portion 22. The central staircase arrangement portion 22 extends from the reference floor 3 to the roof 2. The central staircase arrangement portion 22 includes a first side wall 23, a second side wall 24, a third side wall 25, and a fourth side wall 26. The first side wall 23 faces the first outer wall 11. The second side wall 24 faces the second outer wall 12. The third side wall 25 faces the third outer wall 13. The fourth side wall 26 faces the fourth outer wall 14. At least one of the first side wall 23, the second side wall 24, the third side wall 25, and the fourth side wall 26 is provided with an opening connected to at least one of the plurality of floors 31.

[0059] <Moving passage> In addition to the central staircase arrangement section 22, the building 1 includes at least one moving passageway 41 that connects two of the plurality of floors 31. The moving passageway 41 provides a means of movement between floors without using the central staircase arrangement section 22. The moving passageway 41 is, for example, a staircase, a ladder, or a slope. The moving passageway 41 includes the first moving passageway 42, the second moving passageway 43, the third moving passageway 44, the fourth moving passageway 45, and the fifth moving passageway 46, which will be described later.

[0060] <Floor> As shown in FIGS. 6 and 7, the building 1 includes a reference floor 3. The reference floor 3 is provided in the indoor space S. The reference floor 3 is, for example, the first floor. The first outer wall 11, the second outer wall 12, the third outer wall 13, and the fourth outer wall 14 extend, for example, from the reference floor 3 to the roof 2. The reference floor 3 is connected to the outside through the fourth outer wall opening 15D, the fifth outer wall opening 15E, the seventh outer wall opening 15G, the eighth outer wall opening 15H, the eleventh outer wall opening 15N, and the twelfth outer wall opening 15P. The reference floor 3 is connected to the central staircase 21 through the openings provided in the first side wall 23 and the fourth side wall 26.

[0061] The plurality of floors 31 are provided in the indoor space S. Two of the plurality of floors 31 are connected to the central staircase 21 and are connected to each other by a first moving passageway 42 that is different from the central staircase 21.

[0062] As shown in FIGS. 6, 9, and 10, the plurality of floors 31 include a first floor 32 that is different from the two floors 33, 34 connected to the central staircase 21. The floor height of the first floor 32 is higher than the floor heights of the reference floor 3 and the two floors 33, 34 connected to the central staircase 21. The ceiling height of the first floor 32 is lower than the ceiling heights of either of the two floors 33, 34 connected to the central staircase 21. The ceiling height of the first floor 32 is, for example, 1000 mm or more and less than 1400 mm. The first floor 32 is rectangular in plan view.

[0063] As shown in FIGS. 6, 8, 9, and 11, one of the two floors 33, 34 connected to the central staircase 21 is the second floor 33. The other of the two floors 33, 34 connected to the central staircase 21 is the third floor 34.

[0064] The floor height of the second floor 33 is lower than that of the first floor 32. The floor height of the second floor 33 is higher than that of the reference floor 3. The second floor 33 is connected to the central staircase 21. The second floor 33 is connected to the central staircase 21 through an opening provided in the second side wall 24.

[0065] The second floor 33 is rectangular in plan view. The ceiling height of the second floor 33 is higher than that of the first floor 32. The ceiling height of the second floor 33 is, for example, 1400 mm or more. The second floor 33 is connected to the outside through the ninth outer wall opening 15K and the tenth outer wall opening 15M.

[0066] The floor height of the third floor 34 is lower than that of the second floor 33. The floor height of the third floor 34 is higher than that of the reference floor 3. The third floor 34 is connected to the central staircase 21. The third floor 34 is connected to the central staircase 21 through an opening provided in the third side wall 25.

[0067] The third floor 34 is rectangular in plan view. The ceiling height of the third floor 34 is higher than that of the first floor 32. The ceiling height of the third floor 34 is, for example, 1400 mm or more. The ceiling height of the third floor 34 may be the same as or different from that of the second floor 33. The difference between the floor height of the second floor 33 and the floor height of the third floor 34 is 1 m or more and 3 m or less. The third floor 34 is movable relative to the second floor 33 by the first moving passage 42. The first moving passage 42 is, for example, a staircase, a ladder, or a slope.

[0068] The first floor 32 is not connected to the central staircase 21 and is directly or indirectly connected to at least one of the floors other than the first floor 32 among the plurality of floors 31. One cannot move directly from the first floor 32 to the central staircase 21.

[0069] The first floor 32 is movable from the second floor 33 via the second moving passage 43. The second moving passage 43 is, for example, a staircase, a ladder, or a slope. The first floor 32 is movable from the third floor 34 via the third moving passage 44. The third moving passage 44 is, for example, a staircase, a ladder, or a slope. The first floor 32 may be movable only from the second floor 33 via the second moving passage 43, or may be movable only from the third floor 34 via the third moving passage 44.

[0070] The first floor 32 faces the second outer wall 12 and is adjacent to the second floor 33 in plan view on the side opposite to the second outer wall 12. The second floor 33 faces the first outer wall 11 and is adjacent to the first floor 32 in plan view on the side opposite to the first outer wall 11. A first boundary surface BS1 is defined between the first floor 32 and the second floor 33. The first boundary surface BS1 is a virtual boundary surface between the first floor 32 and the second floor 33.

[0071] At least a portion of the first outer wall 11 facing the first boundary surface BS1 is provided with a first lighting portion 51. The first lighting portion 51 includes a third outer wall opening 15C. A first wall 61 along the first boundary surface BS1 is provided between the first floor 32 and the second floor 33.

[0072] A first opening 62 connecting the second floor 33 and the third floor 34 is provided in the first wall 61. The light inserted from the first lighting portion 51 is inserted into the third floor 34 through the first opening 62. A first moving passage 42 connecting the second floor 33 and the third floor 34 is provided in the first opening 62.

[0073] The third floor 34 faces the second outer wall 12 and is adjacent to the second floor 33 in plan view on the side opposite to the second outer wall 12. A second boundary surface BS2 is defined between the second floor 33 and the third floor 34. The second boundary surface BS2 is a virtual boundary surface between the second floor 33 and the third floor 34.

[0074] At least a portion of the second outer wall 12 facing the second boundary surface BS2 is provided with a second daylighting portion 52. The second daylighting portion 52 includes a first outer wall opening 15A and a second outer wall opening 15B. The first outer wall opening 15A faces the second boundary surface BS2.

[0075] Between the second floor 33 and the third floor 34, a second wall 63 along the second boundary surface BS2 is provided. The second wall 63 is provided with a second opening 64. The light introduced from the second daylighting portion 52 is introduced into the reference floor 3 through the second opening 64.

[0076] The first floor 32 has a first living area RA1 corresponding to the living space. The second floor 33 has a second living area RA2 corresponding to the living space. In the height direction Z, the second living area RA2 does not overlap with the first living area RA1.

[0077] The third floor 34 has a third living area RA3 corresponding to the living space. In the height direction Z, the third living area RA3 does not overlap with the second living area RA2.

[0078] The third floor 34 has a first area 34A connected to the outside through the first outer wall opening 15A and the second outer wall opening 15B. The first area 34A is located directly below the first floor 32 in the height direction Z. The first area 34A is included in the third living area RA3.

[0079] The third floor 34 further has a second area 34B partitioned from the first area 34A by a wall 34D having an entrance / exit 34C. The second area 34B does not overlap with the first floor 32 in the height direction Z. The second area 34B is included in the third living area RA3. The entrance / exit 34C is, for example, a window. The entrance / exit 34C may be a door or a sliding door. The second area 34B is connected to the outside through the sixth outer wall opening 15F and the fifteenth outer wall opening 15T.

[0080] The first area 34A includes an entrance corner 34E. The entrance corner 34E is formed by the first wall 61 and the wall 34D having the entrance / exit 34C. The entrance corner 34E is located on the opposite side of the entrance corner formed by the first outer wall 11 and the third outer wall 13.

[0081] As shown in FIGS. 6, 9, and 12, the plurality of floors 31 further includes two floors 33, 34 connected to the central staircase 21, a first floor 32, and a fourth floor 35 different from them. The fourth floor 35 is rectangular in plan view. The floor height of the fourth floor 35 is lower than that of the first floor 32 and higher than that of the second floor 33.

[0082] The fourth floor 35 is connected to the central staircase 21 and is connected to the outside through the ceiling opening 2A. The fourth floor 35 is connected to the central staircase 21 through an opening provided in the fourth side wall 26. A window, a door, or a sliding door may be provided in the opening connecting the fourth floor 35 and the central staircase 21. The fourth floor 35 is connected to the outside through the fourteenth outer wall opening 15S.

[0083] The fourth floor 35 is movable only from the central staircase 21. The fourth floor 35 may be configured to be movable from at least one of the second floor 33 and the third floor 34 through the movement passage 41. The fourth floor 35 has a fourth living area RA4 corresponding to the living space.

[0084] As shown in FIGS. 8, 9, and 12, the plurality of floors 31 further includes a fifth floor 36 connected to the central staircase 21 and having a floor height lower than that of the third floor 34. The floor height of the fifth floor 36 is higher than that of the reference floor 3. The fifth floor 36 is, for example, a second-floor.

[0085] The fifth floor 36 has a shape along the first outer wall 11 and the fourth outer wall 14. The fifth floor 36 has a fifth living area RA5 corresponding to the living space. At least a part of the fifth living area RA5 overlaps at least a part of the fourth living area RA4 in the height direction Z. The fifth floor 36 is connected to the outside through the thirteenth outer wall opening 15R.

[0086] The fifth floor 36 is connected to the reference floor 3, the second floor 33, the third floor 34, and the fourth floor 35 via the central staircase 21. The fifth floor 36 is connected to the central staircase 21 via an opening provided in the first side wall 23.

[0087] The fifth floor 36 is connected to the reference floor 3 via the fourth moving passage 45. The fourth moving passage 45 is provided along the first outer wall 11. The fourth moving passage 45 is, for example, a staircase, a ladder, or a slope.

[0088] The fifth floor 36 and the second floor 33 are movable relative to each other by the fifth moving passage 46. The fifth moving passage 46 is provided along the first side wall 23. The fifth moving passage 46 is, for example, a staircase, a ladder, or a slope.

[0089] (Effects of this embodiment) (1) The building 1 includes a central staircase 21 and a plurality of floors 31 provided around the central staircase 21 and having different floor heights. Two of the plurality of floors 31 are connected to the central staircase 21 and are connected to each other by a moving passage 41 different from the central staircase 21.

[0090] According to this configuration, since movement between floors can be performed by the central staircase 21 or the moving passage 41, movement between floors is easy. Therefore, people can easily communicate between floors.

[0091] (2) The plurality of floors 31 includes a first floor 32 different from the two floors 33, 34 connected to the central staircase 21. The first floor 32 is not connected to the central staircase 21 and is directly or indirectly connected to at least one of the floors other than the first floor 32 among the plurality of floors 31.

[0092] According to this configuration, since movement from at least one of the floors other than the first floor 32 to the first floor 32 is possible, people on the first floor 32 and people on floors other than the first floor 32 can easily communicate with each other.

[0093] (3) The ceiling height of the first floor 32 is lower than that of either of the two floors 33, 34 connected to the central staircase 21.

[0094] According to this configuration, since the ceiling height of the first floor 32 is lower than that of the two floors 33, 34 connected to the central staircase 21, the degree of freedom in the layout of the building 1 is higher than that of the two floors 33, 34 connected to the central staircase 21.

[0095] (4) One of the two floors 33, 34 connected to the central staircase 21 is the second floor 33. The second floor 33 is connected to the central staircase 21, and the floor height of the second floor 33 is lower than that of the first floor 32. The other of the two floors 33, 34 connected to the central staircase 21 is the third floor 34. The third floor 34 is connected to the central staircase 21, and the floor height of the third floor 34 is lower than that of the second floor 33. The first floor 32 can be moved only from at least one of the second floor 33 and the third floor 34 by the movement passage 41.

[0096] According to this configuration, since it is possible to move from at least one of the second floor 33 and the third floor 34 to the first floor 32, it is easy for people on the first floor 32 and people on at least one of the second floor 33 and the third floor 34 to communicate with each other.

[0097] (5) The first floor 32 has a first living area RA1 corresponding to a living space. The second floor 33 has a second living area RA2 corresponding to a living space. In the height direction Z of the building 1, the second living area RA2 does not overlap with the first living area RA1. According to this configuration, the ceiling height of the second living area RA2 can be increased.

[0098] (6) The third floor 34 has a third living area RA3 corresponding to a living space. In the height direction Z of the building 1, the third living area RA3 does not overlap with the second living area RA2. According to this configuration, the ceiling height of the third living area RA3 can be increased.

[0099] (7) The building 1 includes a first outer wall 11 and a second outer wall 12 facing the first outer wall 11. The second floor 33 faces the first outer wall 11 and is adjacent to the first floor 32 in a plan view on the side opposite to the first outer wall 11. The first floor 32 faces the second outer wall 12 and is adjacent to the second floor 33 in a plan view on the side opposite to the second outer wall 12. A first boundary surface BS1 is defined between the first floor 32 and the second floor 33. At least a portion of the first outer wall 11 facing the first boundary surface BS1 is provided with a first lighting portion 51. According to this configuration, light can be taken into the second floor 33 by the first lighting portion 51.

[0100] (8) A first wall 61 along the first boundary surface BS1 is provided between the first floor 32 and the second floor 33. The first wall 61 is provided with a first opening 62 connecting the second floor 33 and the third floor 34.

[0101] According to this configuration, the light introduced from the first lighting portion 51 can be taken into the floors below the second floor 33 through the first opening 62.

[0102] (9) A moving passage 41 connecting the second floor 33 and the third floor 34 is provided in the first opening 62.

[0103] According to this configuration, a person can move from the second floor 33 to the third floor 34 through the moving passage 41.

[0104] (10) The third floor 34 faces the second outer wall 12 and is adjacent to the second floor 33 in a plan view on the side opposite to the second outer wall 12. A second boundary surface BS2 is defined between the second floor 33 and the third floor 34. At least a portion of the second outer wall 12 facing the second boundary surface BS2 is provided with a second lighting portion 52.

[0105] According to this configuration, light can be taken into the third floor 34 by the second lighting portion 52.

[0106] Between the second floor 33 and the third floor 34, a second wall 63 along the second boundary surface BS2 is provided, and a second opening 64 is provided in the second wall 63.

[0107] According to this configuration, the light introduced from the first lighting unit 51 can be taken into the floor below the third floor 34 through the second opening 64.

[0108] (12) The second lighting unit 52 includes an outer wall opening 15 that opens to the outside, and the third floor 34 has a first area 34A that is connected to the outside through the outer wall opening 15.

[0109] According to this configuration, the outer wall opening 15 can take in light into the first area 34A.

[0110] (13) The building 1 further includes a third outer wall 13 that connects the first outer wall 11 and the second outer wall 12. The outer wall opening 15 includes a first outer wall opening 15A and a second outer wall opening 15B. The first outer wall opening 15A is provided in the second outer wall 12, and the second outer wall opening 15B is provided in the third outer wall 13.

[0111] According to this configuration, the first outer wall opening 15A and the second outer wall opening 15B can take in light into the first area 34A.

[0112] (14) The first area 34A includes an entrance corner 34E. According to this configuration, the first area 34A can be arranged in the building 1.

[0113] (15) The first area 34A is located directly below the first floor 32 in the height direction Z of the building 1.

[0114] According to this configuration, the light introduced from the first lighting unit 51 can be taken into the first area 34A through the first opening 62.

[0115] (16) The third floor 34 further has a second area 34B that is partitioned from the first area 34A by a wall 34D having an entrance / exit 34C.

[0116] According to this configuration, a person can move between the first area 34A and the second area 34B through the wall 34D having the entrance / exit 34C.

[0117] (17) The plurality of floors 31 further includes two floors 33, 34 connected to the central staircase 21 and a fourth floor 35 different from the first floor 32. The floor height of the fourth floor 35 is lower than the floor height of the first floor 32 and higher than the second floor 33. The fourth floor 35 is connected to the central staircase 21 and is connected to the outside through a ceiling opening 2A that opens to the outside.

[0118] According to this configuration, a person can obtain a sense of liberation on the fourth floor 35 through the ceiling opening 2A.

[0119] <Modification example> The above embodiment is an exemplification of the forms that the building 1 can take, and is not intended to limit the form. The building 1 can take a form different from the form exemplified in the above embodiment. Examples thereof are forms in which a part of the configuration of the embodiment is replaced, changed, or omitted, or forms in which a new configuration is added to the embodiment. Modification examples of the embodiment are shown below.

[0120] (1) The shape of the building 1 is not limited to a rectangle. For example, the shape of the building 1 may be triangular in plan view. The shape of the building 1 may be trapezoidal, circular, elliptical, or semi-circular in plan view.

[0121] (2) The shape of each floor of the plurality of floors 31 is not limited to a rectangle. For example, the shape of each floor of the plurality of floors 31 may be triangular in plan view. The shape of each floor of the plurality of floors 31 may be trapezoidal, circular, elliptical, or semi-circular in plan view.

[0122] (3) At least one of the fourth outer wall opening 15D, the fifth outer wall opening 15E, the sixth outer wall opening 15F, the seventh outer wall opening 15G, the eighth outer wall opening 15H, the ninth outer wall opening 15K, the tenth outer wall opening 15M, the eleventh outer wall opening 15N, the twelfth outer wall opening 15P, the thirteenth outer wall opening 15R, the fourteenth outer wall opening 15S, and the fifteenth outer wall opening 15T may be omitted.

[0123] The following technologies are disclosed in this specification. [Appendix 1] A building comprising a central staircase and a plurality of floors provided around the central staircase and having different floor heights, wherein two of the plurality of floors are connected to the central staircase and are connected to each other by a movement passage different from the central staircase.

[0124] [Appendix 2] The building according to Appendix 1, wherein the plurality of floors includes a first floor different from the two floors connected to the central staircase, and the first floor is not connected to the central staircase and is directly or indirectly connected to at least one of the floors other than the first floor among the plurality of floors.

[0125] [Appendix 3] The building according to Appendix 2, wherein the ceiling height of the first floor is lower than the ceiling height of any of the two floors connected to the central staircase.

[0126] [Appendix 4] The building according to Appendix 3, wherein one of the two floors connected to the central staircase is a second floor, the second floor is connected to the central staircase, the floor height of the second floor is lower than the floor height of the first floor, the other of the two floors connected to the central staircase is a third floor, the third floor is connected to the central staircase, the floor height of the third floor is lower than the floor height of the second floor, and the first floor is movable only from at least one of the second floor and the third floor by the movement passage.

[0127] [Appendix 5] The building described in Supplementary Note 4, wherein the first floor has a first living area corresponding to a living space, the second floor has a second living area corresponding to a living space, and in the height direction of the building, the second living area does not overlap with the first living area.

[0128] [Supplementary Note 6] The building described in Supplementary Note 5, wherein the third floor has a third living area corresponding to a living space, and in the height direction of the building, the third living area does not overlap with the second living area.

[0129] [Supplementary Note 7] The building described in Supplementary Note 6, wherein the building includes a first outer wall and a second outer wall facing the first outer wall, the second floor faces the first outer wall, and on the side opposite to the first outer wall, is adjacent to the first floor in plan view, the first floor faces the second outer wall, and on the side opposite to the second outer wall, is adjacent to the second floor in plan view, a first boundary surface is defined between the first floor and the second floor, and a first lighting portion is provided at least in a portion of the first outer wall facing the first boundary surface.

[0130] [Supplementary Note 8] The building described in Supplementary Note 7, wherein a first wall along the first boundary surface is provided between the first floor and the second floor, and a first opening connecting the second floor and the third floor is provided in the first wall.

[0131] [Supplementary Note 9] The building described in Supplementary Note 8, wherein the moving passage connecting the second floor and the third floor is provided in the first opening.

[0132] [Supplementary Note 10] The building described in Supplementary Note 9, wherein the third floor faces the second outer wall, and on the side opposite to the second outer wall, is adjacent to the second floor in plan view, a second boundary surface is defined between the second floor and the third floor, At least a portion of the second outer wall facing the second boundary surface is provided with a second daylighting portion.

[0133] [Appendix 11] The building according to Appendix 10, wherein a second wall along the second boundary surface is provided between the second floor and the third floor, and a second opening is provided in the second wall.

[0134] [Appendix 12] The building according to Appendix 11, wherein the second daylighting portion includes an outer wall opening that opens to the outside, and the third floor has a first area that leads to the outside through the outer wall opening.

[0135] [Appendix 13] The building according to Appendix 12, wherein the building further includes a third outer wall connecting the first outer wall and the second outer wall, the outer wall opening includes a first outer wall opening and a second outer wall opening, the first outer wall opening is provided in the second outer wall, and the second outer wall opening is provided in the third outer wall.

[0136] [Appendix 14] The building according to Appendix 13, wherein the first area includes a corner portion.

[0137] [Appendix 15] The building according to Appendix 14, wherein the first area is located directly below the first floor in the height direction of the building.

[0138] [Appendix 16] The building according to Appendix 15, wherein the third floor further has a second area partitioned from the first area by a wall having an entrance / exit.

[0139] [Appendix 17] The building described in Supplementary Note 4, wherein the plurality of floors further include the two floors connected to the central staircase and a fourth floor different from the first floor, the floor height of the fourth floor is lower than the floor height of the first floor and higher than the second floor, the fourth floor is connected to the central staircase and is connected to the outside through a ceiling opening that opens to the outside.

Explanation of Reference Signs

[0140] 1…Building, 2A…Ceiling opening, 11…First outer wall, 12…Second outer wall, 13…Third outer wall, 15…Outer wall opening, 15A…First outer wall opening, 15B…Second outer wall opening, 21…Central staircase, 31…Plurality of floors, 32…First floor, 33…Second floor, 34…Third floor, 34A…First area, 34B…Second area, 34C…Entrance, 34D…Wall, 34E…Corner, 35…Fourth floor, 41…Moving passage, 51…First lighting part, 52…Second lighting part, 61…First wall, 62…First opening, 63…Second wall, 64…Second opening, BS1…First boundary surface, BS2…Second boundary surface, RA1…First living area, RA2…Second living area, RA3…Third living area, Z…Height direction.

Claims

1. A building, including a central staircase, a plurality of floors provided around the central staircase and having different floor heights, a first outer wall, and a second outer wall facing the first outer wall, two of the plurality of floors are connected to the central staircase and are connected to each other by a movement passage different from the central staircase, the plurality of floors includes a first floor different from the two floors connected to the central staircase, one of the two floors connected to the central staircase is the second floor, the other of the two floors connected to the central staircase is the third floor, the first floor is not connected to the central staircase and is directly or indirectly connected to at least one of the floors other than the first floor among the plurality of floors, the ceiling height of the first floor is lower than the ceiling height of any of the two floors connected to the central staircase, the first floor is movable only from at least one of the second floor and the third floor by a movement passage different from the movement passage, the second floor is connected to the central staircase, the floor height of the second floor is lower than the floor height of the first floor, the third floor is connected to the central staircase, the floor height of the third floor is lower than the floor height of the second floor, the first floor has a first living area corresponding to a living space, the second floor has a second living area corresponding to a living space, the third floor has a third living area corresponding to a living space, in the height direction of the building, the second living area does not overlap with the first living area, in the height direction of the building, the third living area does not overlap with the second living area, The second floor faces the first outer wall and is adjacent to the first floor in plan view on the side opposite to the first outer wall. The first floor faces the second outer wall and is adjacent to the second floor in plan view on the side opposite to the second outer wall. A first boundary surface is defined between the first floor and the second floor. At least a portion of the first outer wall facing the first boundary surface is provided with a first daylighting portion. Building.

2. A first wall along the first boundary surface is provided between the first floor and the second floor, and a first opening connecting the second floor and the third floor is provided in the first wall. The building according to claim 1.

3. The moving passage connecting the second floor and the third floor is provided in the first opening. The building according to claim 2.

4. The third floor faces the second outer wall and is adjacent to the second floor in plan view on the side opposite to the second outer wall. A second boundary surface is defined between the second floor and the third floor. At least a portion of the second outer wall facing the second boundary surface is provided with a second daylighting portion. The building according to claim 3.

5. A second wall along the second boundary surface is provided between the second floor and the third floor. A second opening is provided in the second wall. The building according to claim 4.

6. The second daylighting portion includes an outer wall opening opening to the outside. The third floor has a first area connected to the outside through the outer wall opening. The building according to claim 5.

7. The building further includes a third outer wall connecting the first outer wall and the second outer wall. The outer wall opening includes a first outer wall opening and a second outer wall opening. The first outer wall opening is provided on the second outer wall. The second outer wall opening is provided on the third outer wall. The building according to claim 6.

8. The first region includes an inner corner portion. The building according to claim 7.

9. The first region is located directly below the first floor in the height direction of the building. The building according to claim 8.

10. The third floor further has a second region partitioned from the first region by a wall having an entrance / exit. The building according to claim 9.

11. A building, a central staircase, and a plurality of floors provided around the central staircase and having different floor heights. Two of the plurality of floors are connected to the central staircase and are connected to each other by a movement passage different from the central staircase. The plurality of floors a first floor different from the two floors connected to the central staircase, a second floor which is one of the two floors connected to the central staircase, a third floor which is the other of the two floors connected to the central staircase, and a fourth floor different from any of the first floor, the second floor, and the third floor. The first floor is not connected to the central staircase and is directly or indirectly connected to at least one of the floors other than the first floor among the plurality of floors. The ceiling height of the first floor is lower than that of any of the two floors connected to the central staircase. The first floor can be accessed only from at least one of the second floor and the third floor by a passage different from the moving passage. The second floor is connected to the central staircase. The floor height of the second floor is lower than that of the first floor. The third floor is connected to the central staircase. The floor height of the third floor is lower than that of the second floor. The floor height of the fourth floor is lower than that of the first floor and higher than that of the second floor. The fourth floor is connected to the central staircase and is also connected to the outside through a ceiling opening that opens to the outside. Building.

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