building

Abstract

In buildings where an embankment is provided in the garden area, the present invention provides a building that can suppress the infiltration of water contained in the embankment into the foundation. [Solution] The building 10 comprises a foundation 20, a building body 40 supported by the foundation 20 with a space between it and the foundation slab 30, and a garden area 60 adjacent to the foundation 20. The garden area 60 has an embankment 70 piled on the ground 1 and a groove member 80 positioned between the embankment 70 and the building body 40. The groove member 80 has an inner wall portion 81, an outer wall portion 82 that contacts the embankment 70, and a bottom surface portion 83 that connects the lower end of the inner wall portion 81 and the lower end of the outer wall portion 82. The upper surface 71 of the embankment 70 is higher than the upper surface 31 of the foundation slab 30. The upper surface 91 of the groove member 80 is higher than the upper surface 31 of the foundation slab 30.

Description

Technical Field

[0001] This disclosure relates to buildings.

Background Art

[0002] In a building where a garden is provided adjacent to the building body, the upper surface of the garden may be made close to the floor surface of the room. As a method of bringing the upper surface of the garden close to the floor surface of the room, there is embankment. In Patent Document 1, an outdoor floor part is provided in the garden, and the embankment (in Patent Document 1, a raised planting area) is formed between the wall part of the site boundary line and the earth retaining formed near the leg part of the outdoor floor part.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In the garden of Patent Document 1, it is also conceivable to form an embankment up to the outer wall of the building body without providing an outdoor floor part. However, when an embankment is provided up to the outer wall, there is a risk that the water contained in the embankment will penetrate between the foundation soils due to the contact of the embankment with the foundation of the building.

Means for Solving the Problems

[0005] (1) A building that solves the above problem is a building that is built on the ground, comprising: a rising portion protruding from the ground; a foundation provided on the ground and having a foundation slab connected to the inner surface of the rising portion; a building body supported by the foundation such that there is a space between it and the foundation slab; and a garden adjacent to the foundation, wherein the garden comprises an embankment piled on the ground and a groove member disposed between the rising portion and the embankment, the groove member having an inner wall portion disposed along the outer surface of the rising portion, an outer wall portion disposed such that there is a space between it and the inner wall portion and in contact with the embankment, and a bottom portion connecting the lower end of the inner wall portion and the lower end of the outer wall portion, the upper surface of the embankment being higher than the upper surface of the foundation slab, and the upper surface of the groove member being higher than the upper surface of the foundation slab.

[0006] With this configuration, in buildings where an embankment is provided in the garden area, a groove member is provided between the embankment and the rising part of the foundation, thereby preventing the embankment from coming into contact with the rising part of the foundation. This prevents water contained in the embankment from seeping into the foundation slab.

[0007] (2) In the building described in (1) above, the groove member is fixed to the ground. With this configuration, since the groove member is fixed to the ground, the earth pressure of the embankment can be suppressed from being applied to the rising part of the foundation.

[0008] (3) In the building described in (1) or (2) above, the groove member has a groove opening that opens upward, and the groove opening is covered by a lid. With this configuration, the lid prevents objects from falling into the groove space of the groove member.

[0009] (4) In the building described in (3) above, the building body has a room, and the room is provided with a windowpane that allows a view of the garden, and the angle formed by the floor of the room and the imaginary line connecting the lower edge of the windowpane and the outer end of the cover is 40 degrees or more and 50 degrees or less. With this configuration, the cover is difficult to see when a person in the room looks at the garden through the windowpane. This improves the view of the garden from the room.

[0010] (5) In the building described in (4) above, the distance from the top surface of the embankment to the floor surface of the room in the vertical direction is 200 mm or more and 250 mm or less. This configuration makes it possible to suppress water intrusion from the garden into the room and to make it easier to see the top surface of the embankment from the room.

[0011] (6) In the building described in any one of (3) to (5) above, covering soil is piled on top of the lid. With this configuration, since covering soil is piled on top of the lid, the lid is less conspicuous in the garden area.

[0012] (7) In the building described in any one of (1) to (6) above, a waterproofing member is provided between the rising portion and the inner wall portion. With this configuration, a waterproofing member is provided between the rising portion of the foundation and the inner wall portion of the groove member, so that water seeping into the groove member does not penetrate into the foundation floor.

[0013] (8) In the building described in any one of (1) to (7) above, the building body has an outer wall located above the rising portion and a window provided in the outer wall, and a drip edge is provided at the lower end of at least one of the outer wall and the window, which is arranged to direct water into the groove member. With this configuration, water flowing on the outer wall or window flows into the groove member via the drip edge, making it difficult for water to flow into the embankment. As a result, the drainage of the garden area is improved.

[0014] (9) In the building described in any one of (1) to (8) above, infiltration pipes are buried in the embankment. With this configuration, since infiltration pipes are buried in the embankment, water that has seeped into the embankment due to rain flows into the infiltration pipes. As a result, the drainage of the garden area is improved.

[0015] (10) In the building described in (9) above, the foundation has a base portion that is connected to the lower end of the rising portion and is buried in the ground, and the infiltration pipe is placed in the embankment on the reclaimed portion which is the part of the ground in which the ground trench where the base portion is placed is buried.

[0016] Since the reclaimed section is constructed to connect the ground beneath the garden area and the ground beneath the foundation slab, there is a risk that water contained in the embankment may flow through the reclaimed section into the ground beneath the foundation slab. With the above configuration, water that has permeated the embankment above the reclaimed section flows into the infiltration pipe, thus preventing water contained in the embankment from flowing through the reclaimed section into the ground beneath the foundation slab.

[0017] (11) In the building described in (10) above, the groove member is placed on top of the reclaimed area. With this configuration, since the groove member is placed on top of the reclaimed area, it is possible to suppress water such as rain and rainwater running down the building body from flowing into the reclaimed area.

[0018] (12) In the building described in any one of (1) to (11) above, the embankment includes at least one of crushed stone and lightweight soil. With this configuration, the drainage of the embankment is improved because the embankment includes at least one of crushed stone and lightweight soil. [Effects of the Invention]

[0019] According to the building described herein, in a building where an embankment is provided in the garden area, it is possible to suppress the infiltration of water contained in the embankment into the foundation. [Brief explanation of the drawing]

[0020] [Figure 1] This is a schematic diagram of a building according to the embodiment. [Figure 2] It is a cross-sectional view of a building along the D2-D2 line in FIG. 1. [Figure 3] In the building of FIG. 1, it is a cross-sectional view of the periphery of the foundation under the window. [Figure 4] In the building of FIG. 1, it is a cross-sectional view of the periphery of the foundation under the outer wall. [Figure 5] In the building of FIG. 1, it is a view looking from the room to the courtyard. [Figure 6] In the building according to the modified example, it is a cross-sectional view of the periphery of the foundation under the outer wall.

Embodiments for Carrying Out the Invention

[0021] <Embodiment> Referring to FIGS. 1 to 5, the building 10 according to the embodiment will be described. The building 10 is, for example, a house, a commercial facility, a public facility, etc. In the present embodiment, the building 10 will be described as a detached house.

[0022] <Building> As shown in FIG. 1, the building 10 is built on the ground 1. In FIG. 1, the site of the building 10 is indicated by a dashed line. The building 10 has a building main body 40 and a wall 11. An atrium space AS is formed inside the wall 11. The atrium space AS is surrounded by the wall 11 and the outer wall 41 of the building main body 40 described later. The wall 11 may be integrally formed with the building main body 40. The wall 11 may be provided with louvers 12 that can see through from the inside to the outside. The atrium space AS is also called a loggia.

[0023] As shown in FIG. 2, two atrium spaces AS are formed in the building 10. A GL (ground level) is defined on the ground surface 2 of the ground 1. The building 10 includes a foundation 20, a building main body 40, and a courtyard 60.

[0024] <Foundation> The foundation 20 shown in Figure 3 supports the building body 40. The foundation 20 is made of reinforced concrete. The foundation 20 is, for example, a strip foundation. The foundation 20 has a rising section 21, a base section 24, and a foundation slab 30.

[0025] The rising section 21 protrudes from the ground 1. A portion of the rising section 21 forms the outer perimeter of the foundation 20. The rising section 21 is positioned between the foundation slab 30 and the garden area 60. The inner surface 22 of the rising section 21 faces the foundation slab 30. The outer surface 23 of the rising section 21 faces the garden area 60. The lower part of the rising section 21 is buried in the ground 1.

[0026] The base portion 24 is embedded in the ground 1. The base portion 24 is connected to the lower end of the rising portion 21. The base portion 24 is integrally formed with the rising portion 21. The base portion 24 extends wider than the rising portion 21 in the horizontal direction.

[0027] In this specification, the portion of the ground 1 in which the base portion 24 is buried is referred to as the reclaimed portion 3. Specifically, the reclaimed portion 3 is the portion in which the ground trench 4 in which the base portion 24 is placed is filled. The ground trench 4 is dug to create the rising portion 21 and the base portion 24. In one example, the ground trench 4 is filled with the same type of soil as the ground 1. In Figure 3, the ground trench 4 is shown by a dashed line. The reclaimed portion 3 is the portion of the ground 1 enclosed by the dashed line.

[0028] A crushed stone layer 25 is provided at the bottom of the trench 4. The base section 24 is placed on top of the crushed stone layer 25. The first width L1 from the side of the bottom of the trench 4 to the base section 24 is set to, for example, 100 mm or more. The width of the trench 4 is 200 mm or more greater than the width of the base section 24.

[0029] In the vertical direction, the first distance D1 from the ground surface 2 of the ground 1 to the top surface 26 of the foundation 20 is between 400 mm and 450 mm. In one example, the first distance D1 is 420 mm. The top surface 26 of the foundation 20 is the top surface of the rising section 21.

[0030] The foundation slab 30 shown in Figure 3 is made of reinforced concrete. The foundation slab 30 is installed on the ground 1. The upper surface 31 of the foundation slab 30 is higher than the ground surface 2. The foundation slab 30 is connected to the inner surface 22 of the rising section 21. The foundation slab 30 covers the ground 1 inside the rising section 21, which is partitioned by the rising section 21 of the foundation 20.

[0031] In the vertical direction, the second distance D2 from the ground surface 2 of the ground 1 to the upper surface 31 of the foundation slab 30 is between 50 mm and 70 mm. In one example, the second distance D2 is 60 mm.

[0032] <Building itself> As shown in Figure 2, the building body 40 is supported by the foundation 20, leaving a space between it and the foundation slab 30. The building body 40 has an exterior wall 41 and windows 42. The exterior wall 41 is located on the rising portion 21 of the foundation 20 (see Figure 3). The exterior wall 41 is located between the room 49 of the building body 40 and the open space AS. The windows 42 are provided in the exterior wall 41. An example of a window 42 is a sliding door window. The building body 40 further has a roof 40R.

[0033] As shown in Figure 3, the window 42 is installed in the exterior wall 41. The window 42 connects the room 49 to the atrium space AS. The window 42 has a window sash 43, a frame 44F, and a window pane 44G. The window sash 43 is a frame attached to the exterior wall 41. The frame 44F is attached to the window sash 43. The frame 44F may be movable relative to the window sash 43 or it may be fixed. The window pane 44G is fitted inside the frame 44F. In Figure 3, the lower frame of the frame 44F is shown.

[0034] A flashing 45 is provided at the lower end of at least one of the exterior wall 41 and the window 42. In this embodiment, the flashing 45 is provided at both the lower end of the exterior wall 41 and the lower end of the window 42. The flashing 45 includes a first flashing 45A (see Figure 4) provided at the lower end of the exterior wall 41 and a second flashing 45B provided at the lower end of the window 42. In one example, the second flashing 45B is attached to the lower frame of the window sash 43.

[0035] As shown in Figure 4, the exterior wall 41 has a base panel 47 attached to the framework of the building body 40, an exterior material 48 attached to the base panel 47, and an interior wall board 52. The framework of the building body 40 is composed of axial members such as columns, horizontal members, and foundations. In one example, the second flashing 45B is fixed to the base panel 47.

[0036] As shown in Figure 3, the building structure 40 has a room 49. The room 49 is used for purposes such as a living room, kitchen, dining room, or private room. The room 49 is located between two open spaces AS (see Figure 1). The room 49 and the open spaces AS are separated by an exterior wall 41. The room 49 is provided with a window pane 44G. The window pane 44G allows a person to see from the room 49 into the garden area 60.

[0037] The floor surface 53 of room 49 is made up of flooring material 54. The flooring material 54 is supported by a first horizontal member 55. The first horizontal member 55 is supported by the foundation 20 via columns. An underfloor space US is provided between the flooring material 54 of the building body 40 and the upper surface 31 of the foundation slab 30. The building body 40 may be further supported by the foundation slab 30 via support members 57. The support members 57 support a second horizontal member 56 on the foundation slab 30. The first horizontal member 55 is positioned on the second horizontal member 56 so as to intersect with the second horizontal member 56. The first horizontal member 55 and the second horizontal member 56 are axial members positioned along the horizontal direction.

[0038] <Garden Department> As shown in Figure 2, the garden area 60 is adjacent to the foundation 20. The garden area 60 is located in the open space AS. The garden area 60 is open upwards through the open space AS. Plants 61 are planted in the garden area 60. The garden area 60 is configured, for example, as a courtyard of the building 10. The garden area 60 is surrounded by the outer wall 41 and wall 11 of the building body 40.

[0039] As shown in Figure 3, the garden area 60 includes an embankment 70 and a trench member 80. The embankment 70 is piled on top of the ground 1. The trench member 80 is positioned between the rising portion 21 of the foundation 20 and the embankment 70.

[0040] <Embankment> As shown in Figure 3, the embankment 70 is surrounded by the trench member 80 and the wall foundation 13 that supports the lower end of the wall 11 (see Figure 2). At least a portion of the embankment 70 is placed on top of the reclaimed portion 3 of the ground 1. The embankment 70 includes at least one of crushed stone and lightweight soil. The embankment 70 is composed of crushed stone or lightweight soil. In this embodiment, the embankment 70 includes both crushed stone and lightweight soil.

[0041] The type of stone used for crushed stone is not particularly limited. The crushed stone used for the embankment 70 is larger in size than the crushed stone in the crushed stone layer 25 beneath the foundation 20 and the crushed stone in the crushed stone layer 86 beneath the trench member 80, which will be described later. Using larger crushed stone in the embankment 70 improves the appearance of the garden area 60.

[0042] Lightweight soil is, for example, artificial soil. Lightweight soil is lighter than the soil of the ground 1. The lightweight soil used as embankment 70 has better drainage than the soil of the ground 1. Crushed stone and lightweight soil are laid on the ground 1 so that the top surface 71 of the embankment 70 is approximately horizontal. The embankment 70 is provided with an inclined section 72 that slopes from the top surface 71 of the embankment 70 to the upper end of the outer wall section 82 of the trench member 80.

[0043] Figure 5 shows a view of the garden area 60 from room 49. In the garden area 60 in Figure 5, the top surface 71 of the embankment 70 is divided into a first area R1 on the room 49 side and a second area R2 on the wall 11 side. Crushed stone is laid in the first area R1 on the room 49 side. On the other hand, lightweight soil is laid in the second area R2 on the wall 11 side. Plants 61 are planted in the lightweight soil of the second area R2. If the embankment 70 contains crushed stone, the plants 61 may also be planted in the ground 1 beneath the crushed stone that makes up the embankment 70 (see Figure 3).

[0044] As shown in Figure 3, the third distance D3 in the vertical direction from the top surface 71 of the embankment 70 to the floor surface 53 of the room 49 is between 200 mm and 250 mm. In one example, the third distance D3 is 200 mm.

[0045] The top surface 71 of the embankment 70 is higher than the top surface 31 of the foundation slab 30. The fourth distance D4 from the top surface 31 of the foundation slab 30 to the top surface 71 of the embankment 70 in the vertical direction is between 280 mm and 295 mm. In one example, the fourth distance D4 is 287 mm.

[0046] A permeable pipe 73 is buried in the embankment 70. Water contained in the embankment 70 flows into the permeable pipe 73 and then flows into the drainage channel (not shown) of the building 10. The permeable pipe 73 is constructed in a cylindrical shape from a metal or resin material. Permeable holes 74 are provided on at least one of the top surface and side surface of the permeable pipe 73. Water contained in the embankment 70 flows into the permeable pipe 73 from the permeable holes 74. The permeable pipe 73 may be constructed from a water-permeable material such as mesh material or nonwoven fabric. If the permeable pipe 73 is constructed from a water-permeable material, the permeable holes 74 are omitted.

[0047] The permeable pipe 73 is positioned within the embankment 70 on top of the filled portion 3 of the ground 1. The permeable pipe 73 is positioned horizontally along the outer wall portion 82 of the groove member 80.

[0048] <Groove member> The groove member 80 is, for example, a U-shaped groove made of concrete. The groove member 80 is placed on the filled portion 3 of the ground 1. The groove member 80 is positioned horizontally along the rising portion 21 of the foundation 20.

[0049] The groove member 80 has an inner wall portion 81, an outer wall portion 82, and a bottom surface portion 83. The inner wall portion 81 is positioned along the outer surface 23 of the rising portion 21. The outer wall portion 82 is positioned to leave a space between it and the inner wall portion 81. The outer wall portion 82 is in contact with the embankment 70. The bottom surface portion 83 connects the lower end of the inner wall portion 81 and the lower end of the outer wall portion 82. A groove space is formed between the inner wall portion 81 and the outer wall portion 82.

[0050] The groove member 80 has a groove opening 84. The groove opening 84 opens upward. The groove opening 84 connects to the groove space of the groove member 80. The drainage 45 of the building body 40 is positioned to direct water into the groove member 80 of the garden area 60. The water flowing down the drainage 45 flows into the groove space of the groove member 80. The water that flows into the groove member 80 flows into the drainage channel (not shown) of the building 10.

[0051] The groove opening 84 is covered by a cover portion 87. The cover portion 87 is placed over the upper end of the inner wall portion 81 and the upper end of the outer wall portion 82 of the groove member 80. The cover portion 87 has through holes. The through holes connect the groove space of the groove member 80 to the space above the groove member 80. The through holes are set to a size that makes it difficult for crushed stone from the embankment 70 to pass through, for example. The cover portion 87 is, for example, a grating. In addition to the cover portion 87, a net 88 is stretched over the groove opening 84. The net 88 used has mesh that is smaller than the through holes of the cover portion 87.

[0052] The groove member 80 is fixed to the ground 1. A fixing layer 85 is provided below the groove member 80. The groove member 80 is placed on top of the fixing layer 85. In one example, the fixing layer 85 is made of mortar. The groove member 80 may be fixed to the fixing layer 85. For example, by placing the groove member 80 on unhardened mortar, the groove member 80 is fixed to the fixing layer 85 so that it adheres to the fixing layer 85. In this way, the groove member 80 is fixed to the ground 1 by the fixing layer 85. Below the fixing layer 85, a crushed stone layer 86 is provided, which is made of crushed stone. The crushed stone layer 86 is provided on top of the ground 1. The fixing layer 85 and the crushed stone layer 86 are placed between the foundation 20 and the embankment 70.

[0053] Covering soil 89 is piled on top of the lid portion 87. The covering soil 89 includes, for example, crushed stone. The crushed stone in the covering soil 89 may be the same type as the crushed stone in the embankment 70, or it may be a different type. Preferably, the crushed stone used for the covering soil 89 is of a size that makes it difficult to pass through the insertion holes in the lid portion 87.

[0054] In the horizontal direction, the second width L2 of the groove member 80 is 200 mm or more and 300 mm or less. In one example, the second width L2 of the groove member 80 is 250 mm. The second width L2 of the groove member 80 is the distance from the surface of the inner wall portion 81 facing the foundation 20 to the surface of the outer wall portion 82 facing the embankment 70.

[0055] In Figure 3, a virtual line VL is defined connecting the lower edge 51 of the window glass 44G and the outer end 87X of the cover portion 87. The lower edge 51 of the window glass 44G is the part that connects to the lower frame of the frame 44F. More specifically, the lower edge 51 of the window glass 44G connects to the end of the lower frame of the frame 44F on the side of the open space AS. The outer end 87X of the cover portion 87 is the end of the cover portion 87 on the side of the outer wall portion 82 of the groove member 80.

[0056] The angle A1 formed by the floor surface 53 of room 49 and the imaginary line VL is between 40 degrees and 50 degrees. In one example, angle A1 is 45 degrees.

[0057] The upper surface 91 of the groove member 80 is higher than the upper surface 31 of the foundation slab 30. The fifth distance D5 from the upper surface 31 of the foundation slab 30 to the upper surface 91 of the groove member 80 in the vertical direction is between 230 mm and 245 mm. In one example, the fifth distance D5 is 237 mm. The upper surface 91 of the groove member 80 is, for example, the upper surface of the upper end of the inner wall portion 81 and the upper end of the outer wall portion 82, whichever is higher. In the example in Figure 2, the upper end of the inner wall portion 81 and the upper end of the outer wall portion 82 are at the same height.

[0058] The upper surface 91 of the groove member 80 is lower than the upper surface 26 of the foundation 20. The upper surface 91 of the groove member 80 is lower than the upper surface 71 of the embankment 70.

[0059] As shown in Figure 3, a waterproofing member 92 is provided between the rising portion 21 of the foundation 20 and the inner wall portion 81 of the groove member 80. The waterproofing member 92 includes, for example, a waterproof sheet. The waterproofing member 92 is in contact with both the rising portion 21 and the inner wall portion 81.

[0060] <Operation of this embodiment> The first operation of this embodiment will now be described. As shown in Figure 5, by bringing the upper surface 71 of the embankment 70 in the garden area 60 closer to the floor surface 53 of the room 49 in the vertical direction, the continuity between the floor surface 53 of the room 49 and the garden area 60 is improved when viewed from the window 42 of the room 49. On the other hand, because the embankment 70 is piled on the ground 1 of the garden area 60, the embankment 70 comes into contact with the rising portion 21 of the foundation 20. When the embankment 70 comes into contact with the foundation 20, there is a risk that the water contained in the embankment 70 will seep into the foundation slab 30. If water seeps into the foundation slab 30, moisture will be generated in the underfloor space US. In this regard, in the building 10, a groove member 80 is placed between the embankment 70 and the rising portion 21 of the foundation 20, so that the embankment 70 does not come into contact with the foundation 20. This suppresses the seepage of water contained in the embankment 70 into the foundation slab 30.

[0061] The second operation of this embodiment will now be described. When the embankment 70 is in contact with the rising portion 21 of the foundation 20, there is a risk that the earth pressure of the embankment 70 will be applied to the foundation 20. In this respect, in the building 10, the earth pressure of the embankment 70 is applied to the trench member 80. Because the trench member 80 is fixed to the ground 1, it is difficult for earth pressure to be applied to the foundation 20 through the trench member 80.

[0062] The third function of this embodiment will now be described. The reclaimed portion 3 of the ground 1 is more susceptible to water absorption than other parts of the ground 1 because it was excavated when the foundation 20 was installed. Since the reclaimed portion 3 extends from beneath the garden area 60 down to the ground 1 beneath the foundation slab 30, there is a risk that water contained in the embankment 70 may flow down the reclaimed portion 3 and reach beneath the foundation slab 30. In this regard, the building 10 has a channel member 80 placed on top of the reclaimed portion 3. For example, during rainy weather, water flowing down the exterior wall 41 and windows 42 flows into the channel member 80, making it difficult for water to flow into the reclaimed portion 3. In addition, an infiltration pipe 73 is placed on top of the reclaimed portion 3. For example, some of the water contained in the embankment 70 is absorbed by the ground 1, but water exceeding the capacity of the ground 1 may flow into the reclaimed portion 3. In such cases, the infiltration pipe 73 can discharge the water contained in the embankment 70.

[0063] A fourth function of this embodiment will now be described. Since the embankment 70 is in contact with the outer wall portion 82 of the trench member 80, water contained in the embankment 70 has difficulty penetrating to the inner wall portion 81, which is positioned with a space between it and the outer wall portion 82. Even if water flowing through the trench member 80 were to penetrate to the inner wall portion 81, the waterproofing member 92 would prevent the water from penetrating to the foundation 20.

[0064] <Effects of this embodiment> The effects of this embodiment will now be explained. (1) The building 10 is erected on the ground 1. The building 10 comprises a foundation 20, a building body 40, and a garden area 60. The foundation 20 has a rising portion 21 that protrudes from the ground 1, and a foundation slab 30 that is provided on the ground 1 and connected to the inner surface 22 of the rising portion 21. The building body 40 is supported by the foundation 20 with a space between it and the foundation slab 30. The garden area 60 is adjacent to the foundation 20. The garden area 60 has an embankment 70 piled on the ground 1, and a groove member 80 positioned between the rising portion 21 of the foundation 20 and the embankment 70. The groove member 80 has an inner wall portion 81, an outer wall portion 82, and a bottom portion 83. The inner wall portion 81 is positioned along the outer surface 23 of the rising portion 21. The outer wall portion 82 is positioned to leave a space between itself and the inner wall portion 81, and is in contact with the embankment 70. The bottom portion 83 connects the lower end of the inner wall portion 81 and the lower end of the outer wall portion 82. The upper surface 71 of the embankment 70 is higher than the upper surface 31 of the foundation slab 30. The upper surface 91 of the groove member 80 is higher than the upper surface 31 of the foundation slab 30.

[0065] With this configuration, in a building 10 where an embankment 70 is provided in the garden area 60, a groove member 80 is provided between the embankment 70 and the rising portion 21 of the foundation 20, thereby preventing the embankment 70 from coming into contact with the rising portion 21 of the foundation 20. This prevents water contained in the embankment 70 from seeping into the foundation slab 30 of the foundation 20.

[0066] (2) The groove member 80 is fixed to the ground 1. With this configuration, since the groove member 80 is fixed to the ground 1, the earth pressure of the embankment 70 can be suppressed from being applied to the rising portion 21 of the foundation 20.

[0067] (3) The groove member 80 has a groove opening 84 that opens upward. The groove opening 84 is covered by a cover portion 87. With this configuration, the cover portion 87 can prevent objects from falling into the groove space of the groove member 80.

[0068] (4) The building body 40 has a room 49. The room 49 is provided with a window pane 44G that allows a view of the garden area 60. The angle A1 formed by the floor surface 53 of the room 49 and the imaginary line VL connecting the lower edge 51 of the window pane 44G and the outer end 87X of the cover portion 87 is between 40 degrees and 50 degrees.

[0069] With this configuration, the cover 87 is difficult to see when a person in room 49 looks at the garden area 60 through the windowpane 44G. More specifically, if a person who is approximately 171 cm tall stands approximately 150 cm away from the windowpane 44G, the cover 87 will be difficult for them to see. 171 cm corresponds to the average height of Japanese men. The eye level of a person who is 171 cm tall is approximately 155 cm. This improves the view of the garden area 60 from room 49.

[0070] (5) The third distance D3 from the top surface 71 of the embankment 70 to the floor surface 53 of the room 49 in the vertical direction is 200 mm or more and 250 mm or less. With this configuration, flooding from the garden area 60 into the room 49 can be suppressed, and the top surface 71 of the embankment 70 can be easily seen from the room 49.

[0071] (6) Covering soil 89 is piled on top of the lid 87. With this configuration, since covering soil 89 is piled on top of the lid 87, the lid 87 is not very noticeable in the garden area 60.

[0072] (7) A waterproof member 92 is provided between the rising portion 21 and the inner wall portion 81. With this configuration, since the waterproof member 92 is provided between the rising portion 21 of the foundation 20 and the inner wall portion 81 of the groove member 80, it is possible to suppress water seeping into the groove member 80 from penetrating into the foundation 20.

[0073] (8) The building body 40 has an exterior wall 41 and a window 42 provided in the exterior wall 41. The exterior wall 41 is located on the rising portion 21 of the foundation 20. The window 42 is provided in the exterior wall 41. A drip edge 45 is provided at the lower end of at least one of the exterior wall 41 and the window 42, which is arranged to direct water into a groove member 80. With this configuration, water flowing on the exterior wall 41 or the window 42 flows into the groove member 80, making it difficult for water to flow into the embankment 70. As a result, the drainage of the garden area 60 is improved.

[0074] (9) Infiltration pipes 73 are buried in the embankment 70. With this configuration, since infiltration pipes 73 are buried in the embankment 70, water that has seeped into the embankment 70 due to rain flows into the infiltration pipes 73. As a result, the drainage of the garden area 60 is improved.

[0075] (10) The foundation 20 is connected to the lower end of the rising section 21 and has a base section 24 that is buried in the ground 1. The infiltration pipe 73 is positioned within the embankment 70 on top of the filled section 3 of the ground 1.

[0076] Since the reclaimed section 3 is provided to connect the ground 1 beneath the garden area 60 and the ground 1 beneath the foundation slab 30, there is a risk that water contained in the embankment 70 may flow through the reclaimed section 3 into the ground 1 beneath the foundation slab 30. With the above configuration, water that has permeated the embankment 70 above the reclaimed section 3 flows into the infiltration pipe 73, thus preventing water contained in the embankment 70 from flowing through the reclaimed section 3 into the ground 1 beneath the foundation slab 30.

[0077] (11) The groove member 80 is placed on top of the reclaimed portion 3 of the ground 1. With this configuration, since the groove member 80 is placed on top of the reclaimed portion 3, it is possible to suppress the flow of water such as rain and rainwater running down the building body 40 into the reclaimed portion 3.

[0078] (12) The embankment 70 includes at least one of crushed stone and lightweight soil. With this configuration, the drainage of the embankment 70 is improved because the embankment 70 includes at least one of crushed stone and lightweight soil.

[0079] <Variation> 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.

[0080] • In this embodiment, an example was described in which the foundation 20 is a strip foundation, but the foundation 20 may also be a raft foundation.

[0081] If the trench member 80 is located between the foundation 20 and the embankment 70, the trench member 80 does not need to be fixed to the ground 1.

[0082] In this embodiment, the virtual line VL is defined as connecting the lower edge 51 of the window glass 44G and the outer end 87X of the cover portion 87. However, the virtual line VL may also be defined as connecting the lower edge 51 of the window glass 44G and the upper end of the outer wall portion 82 of the groove member 80. In this modified example, the cover portion 87 may be omitted.

[0083] • Covering soil 89 does not necessarily have to be piled on top of the lid 87.

[0084] The infiltration pipe 73 may be placed in a part of the ground 1 other than the reclaimed area 3.

[0085] As shown in Figure 6, a fixing layer 93 may be provided between the foundation 20 and the groove member 80. The fixing layer 93 is in contact with the outer surface 23 of the rising portion 21 of the foundation 20 and the inner wall portion 81 of the groove member 80. The fixing layer 93 is connected to a fixing layer 85 below the groove member 80. The fixing layer 93 is made of, for example, mortar. If the fixing layer 93 is mortar, the inner wall portion 81 of the groove member 80 is fixed to the fixing layer 93. In this way, the movement of the groove member 80 can be suppressed by the fixing layer 93. The waterproofing member 92 may also be omitted. Because the fixing layer 93 is provided between the rising portion 21 of the foundation 20 and the inner wall portion 81 of the groove member 80, even if water flowing through the groove member 80 penetrates the inner wall portion 81, the water from the inner wall portion 81 is less likely to penetrate the foundation 20. In this modified example, the first flashing 45A from the lower end of the outer wall 41 may be omitted.

[0086] • The embankment 70 may be made of natural soil, gravel, etc., in addition to crushed stone and lightweight soil.

[0087] This specification discloses the following technologies: [Note 1] A building constructed on the ground, comprising: a rising portion protruding from the ground; a foundation provided on the ground and having a foundation slab connected to the inner surface of the rising portion; a building body supported by the foundation such that there is a space between it and the foundation slab; and a garden area adjacent to the foundation, wherein the garden area comprises an embankment piled on the ground and a groove member disposed between the rising portion and the embankment, the groove member having an inner wall portion disposed along the outer surface of the rising portion, an outer wall portion disposed such that there is a space between it and the inner wall portion and in contact with the embankment, and a bottom portion connecting the lower end of the inner wall portion and the lower end of the outer wall portion, the upper surface of the embankment being higher than the upper surface of the foundation slab, and the upper surface of the groove member being higher than the upper surface of the foundation slab.

[0088] [Note 2] The groove member is a building as described in Appendix 1, which is fixed to the ground.

[0089] [Note 3] The groove member has a groove opening that opens upward, and the groove opening is covered by a lid, as described in Appendix 1.

[0090] [Note 4] The building described in Appendix 3 has a room, the room is provided with a windowpane that allows a view of the garden, and the angle formed by the floor of the room and the imaginary line connecting the lower edge of the windowpane and the outer end of the cover is 40 degrees or more and 50 degrees or less.

[0091] [Note 5] The building described in Appendix 4, wherein the distance from the top surface of the embankment to the floor surface of the room in the vertical direction is 200 mm or more and 250 mm or less.

[0092] [Note 6] The building described in Appendix 3 has a cover made of soil piled on top of the aforementioned lid.

[0093] [Note 7] A waterproofing member is provided between the rising portion and the inner wall portion, as described in Appendix 1.

[0094] [Note 8] The building according to Appendix 1, wherein the building body has an outer wall located above the rising portion and a window provided in the outer wall, and a drip edge is provided at the lower end of at least one of the outer wall and the window, which is arranged to allow water to flow into the groove member.

[0095] [Note 9] The aforementioned embankment contains the building described in Appendix 1, in which infiltration pipes are buried.

[0096] [Note 10] The building as described in Appendix 9, wherein the foundation has a base portion that is connected to the lower end of the rising portion and is buried in the ground, and the seepage pipe is placed in the embankment on the reclaimed portion which is the part of the ground where the ground trench on which the base portion is placed is buried.

[0097] [Note 11] The groove member is a building as described in Appendix 10, which is placed on the reclaimed area.

[0098] [Note 12] The embankment is a building as described in any one of the appendices 1 to 11, comprising at least one of crushed stone and lightweight soil. [Explanation of Symbols]

[0099] 1...Ground, 3...Reclaimed area, 4...Ground trench, 10...Building, 20...Foundation, 21...Wall, 22...Inner surface, 23...Outer surface, 24...Base, 30...Foundation slab, 40...Building body, 41...Exterior wall, 42...Window, 44G...Window glass, 45...Drip edge, 49...Room, 51...Lower edge, 53...Floor surface, 60...Garden area, 70...Embossed earth, 73...Infiltration pipe, 80...Trench member, 81...Inner wall, 82...Outer wall, 83...Bottom surface, 84...Trench opening, 87...Lid, 87X...Outer end, 89...Covering soil, 92...Waterproofing member.

Claims

1. A building constructed on the ground, The structure comprises a rising portion protruding from the ground, a foundation provided on the ground and having a foundation slab connected to the inner surface of the rising portion, a building body supported by the foundation such that there is a space between it and the foundation slab, and a garden area adjacent to the foundation. The garden area comprises an embankment placed on the ground and a groove member positioned between the rising section and the embankment. The groove member has an inner wall portion arranged along the outer surface of the rising portion, an outer wall portion arranged to leave a space between it and the inner wall portion and to contact the embankment, and a bottom portion connecting the lower end of the inner wall portion and the lower end of the outer wall portion. The upper surface of the embankment is located higher than the upper surface of the foundation slab. The upper surface of the groove member is located higher than the upper surface of the foundation slab. architecture.

2. The groove member is fixed to the ground. The building described in claim 1.

3. The groove member has a groove opening that opens upward, The groove opening is covered by the lid. The building described in claim 1.

4. The aforementioned building has rooms, The aforementioned room is provided with a windowpane that allows a view of the garden area. The angle formed by the floor of the room and the imaginary line connecting the lower edge of the window glass and the outer end of the cover is between 40 degrees and 50 degrees. The building according to claim 3.

5. In the vertical direction, the distance from the top surface of the embankment to the floor surface of the room is 200 mm or more and 250 mm or less. The building according to claim 4.

6. Covering soil is piled on top of the lid. The building according to claim 3.

7. A waterproofing member is provided between the rising portion and the inner wall portion. The building described in claim 1.

8. The building structure has an outer wall located above the rising section and windows provided in the outer wall. A drip edge is provided at the lower end of at least one of the outer wall and the window, which is arranged to allow water to flow into the groove member. The building described in claim 1.

9. Infiltration pipes are buried in the aforementioned embankment. The building described in claim 1.

10. The foundation has a base portion that is connected to the lower end of the rising portion and embedded in the ground, The infiltration pipe is placed within the embankment on the reclaimed portion, which is the part of the ground where the trench in which the base portion is placed is filled. The building described in claim 9.

11. The groove member is placed on the filled portion, The building according to claim 10.

12. The embankment comprises at least one of crushed stone and lightweight soil. A building according to any one of claims 1 to 11.

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