JP4728044B2 - Building - Google Patents

Description

  The present invention relates to a building such as a house or a building.

  Conventionally, as a kind of rotatable building, for example, one described in Patent Document 1 is known. The rotating building described in Patent Document 1 is a structure in which a rail having a U-shaped cross section is provided on the lower surface of the building body in a circular shape, and a plurality of wheels are provided on the upper surface of the support base in a circular shape. is there. And a building main body is made rotatable by supporting a building main body on a support stand in the state which engaged the rail with the some wheel.

  However, the rotating building of Patent Document 1 has problems related to resistance to earthquakes and strong winds and heating efficiency of the building body. Therefore, the applicant has proposed a rotating building as described in Patent Document 2 as a rotating building capable of solving the problem.

JP 2001-020384 A JP 2004-360326 A

Here, the rotating building 61 described in Patent Document 2 will be described with reference to FIG. FIG. 7 is an explanatory view showing a vertical cross section of the rotating building 61.
The rotary building 61 is configured to rotatably support the rotary building unit 64 around a projecting portion 65 provided in the main body building unit 63, and a plurality of rails 66, 66 are provided on the lower surface of the rotary building unit 64.・ ・ Is installed. On the other hand, the main body building section 63 is provided with a plurality of wheels 67, 67,..., And the rails 66, 66,. Yes.

By adopting the configuration described in Patent Document 2, the problems relating to durability and heating efficiency were solved. However, functions such as a kitchen, a toilet, and a bath must be concentrated in the protruding portion 65 (that is, the shaft portion) of the main body construction portion 63 due to the convenience of piping facilities required for water supply facilities and the like. Therefore, since a large space is required for the shaft portion, the size of the entire rotary building 61 is increased, and there is a problem that it is not realistic and lacks practicality.
In addition, even if the rotating building 61 is made taller and applied to a high-rise apartment or the like, the rotating building part 64 is covered from the upper part of the main body building part 64 that does not rotate. It can only be rotated with several floors synchronized. Therefore, since rotation can be experienced only on the top floor, there is a demand for the realization of a revolving structure that has poor preference and can experience rotation even in the middle floor.

  Therefore, the present invention has been made in view of the above problems, and it is possible to reduce the size of the shaft portion, and thus the entire building, and to have a rotating building that can rotate even in the middle of the floor. It is intended to provide a building.

In order to achieve the above-described object, the invention according to claim 1 is a fixed construction part provided with a projecting part projecting upward, and placed on the fixed construction part in a state of being fitted to the projecting part. At least one rotating construction part that is rotatable about a rotation axis along the vertical direction and driving means that is installed between the fixed construction part and the rotary construction part to rotate the rotational construction part. a set comprising comprising rotating buildings, possess a common portion which is connected to the fixed construction part, in the rotating building, with laminating the fixed construction part and the rotating construction part alternately, the rotary construction In order to support a thing, the support body which connects the said fixed construction parts is provided .
According to a second aspect of the present invention, there is provided a fixed building portion having a protruding portion protruding upward, and is placed on the fixed building portion in a state of being fitted to the protruding portion, along the vertical direction. A rotating building comprising at least one set of a rotating building part rotatable about a rotating shaft and a driving means installed between the fixed building part and the rotating building part for rotating the rotary building part When, and a said fixed construction part and linked duplexer, to the shared portion of the primary, the fixed construction part and said rotating building unit stacked alternately formed by two of said rotary building together comprising, in between the rotating building, characterized in that a staggered position between the said fixed construction part rotating construction part.
The invention described in claim 3 is the invention according to claim 1 or 2 , wherein the guard plate erected downward and the lower end of the guard plate can be inserted between the fixed construction part and the rotary construction part. And a groove that closes the gap with the guard plate with liquid is provided, and a U-shaped member that closes the gap between the fixed construction portion and the rotary construction portion is provided at the U-shape portion. To do.

According to the present invention, the fixed building portion having a protruding portion protruding upward, and mounted on the fixed building portion in a state of being fitted to the protruding portion, and rotated about the rotation axis along the vertical direction. A rotating building comprising at least one set of possible rotating building parts and a drive means installed between the fixed building part and the rotating building part for rotating the rotating building part; and connected to the fixed building part. Therefore, the intermediate floor can be easily rotated independently of the upper floor by guiding the piping facility or the like from the rotating building to the common section.
In addition, because it is possible to provide functions such as kitchens, toilets, and bathrooms that require plumbing facilities in the fixed construction part, the area of the protruding part can be reduced in space compared to conventional buildings, and consequently The size of the entire building can be made compact. Therefore, the feasibility and practicality can be improved, and the cost required for rotation can be kept lower than before.
Furthermore, according to the invention of claim 1 , in the rotating building, the fixed building portion and the rotating building portion are alternately laminated, and a support body for connecting the fixed building portions to support the rotating building is provided. ing. Therefore, even if a gap of about 2 to 3 m is provided between the rotary building part and the common part, in an emergency, the upper surface of the connection part between the rotary building part and the fixed building part and the common part is used. It is possible to evacuate to a common area, and it is rich in disaster prevention. In addition, even if a rotating building is made high-rise, it can have sufficient resistance.
Furthermore, according to invention of Claim 2 , while providing the 2 rotation building formed by alternately laminating | stacking a fixed construction part and a rotation construction part with respect to one shared part, it fixes in rotation buildings. The positional relationship between the construction part and the rotation construction part is staggered. Therefore, for example, a rational building where a user of a rotating building on the side communicating with a common area can use the floor more widely and can expect the effects of ensuring privacy and improving crime prevention. Can be provided.
In addition, according to the invention of claim 3 , the guard plate erected downward and the lower end of the guard plate can be inserted between the fixed construction portion and the rotary construction portion, Since a U-shaped member that closes the gap between the fixed construction part and the rotary construction part is provided at the U-shaped part, and between the fixed construction part and the rotary construction part, It is possible to reliably prevent the intrusion of outside air (such as a draft). Therefore, the heating efficiency is very good.

  Hereinafter, one embodiment of a building of the present invention is described in detail based on a drawing.

  FIG. 1 is a partial front view of a building according to the present invention, and FIG. 2 is a partial cross-sectional view showing a vertical section of the building according to the present invention. Fig.3 (a) is explanatory sectional drawing which showed the horizontal section of the odd-numbered floor of the building which concerns on this invention, FIG.3 (b) is explanatory sectional drawing which showed the horizontal section of the even-numbered floor.

  The building 1 is provided between two cylindrical rotating buildings 2 and 2 (2a and 2b), the rotating buildings 2 and 2, elevators 31 and 31, a staircase 32, a piping chamber 33 which will be described later, and the like. And the shared part 6 provided with. In this embodiment, each revolving structure 2 is a maisonette-plan residential structure in which units 3, 3... Composed of a fixed structure 4 and a revolving structure 5 are stacked. Is mainly used by residents of the unit 3 on the side communicating with the entrance 13. In addition, in the unit 3a in the rotary building 2a, the odd-numbered floor is the fixed building part 4a having the entrance 13 communicating with the common part 6 (floor), and the even-numbered floor (above the fixed building part 4a) is the rotary building part 5a. Yes. On the other hand, in the unit 3b in the building 2b, the even-numbered floor is the fixed building part 4b having the entrance 13, and the odd-numbered floor (below the fixed building part 4b) is the rotary building part 5b.

Here, the unit 3a of the rotary building 2a will be described. In the rotary building 2a, all the units 3a, 3a,... Have the same configuration.
As described above, the unit 3a has a two-story structure in which the rotary construction part 5a is installed above the fixed construction part 4a. The fixed construction part 4a is formed with a living space 15 in an outer wall 14 standing substantially circumferentially around an axis 30. The living space 15 leads to a common part 6 (floor). In addition to the entrance 13, a function that requires piping and piping facilities (water supply and gas) such as a kitchen, a bath, and a toilet is provided. Each pipe is led from the side of the entrance 13 or the like into a pipe chamber 33 provided in the common unit 6, and is connected to a supply source (not shown) through the pipe chamber 33. In addition, 11 and 12 are the ceiling and floor of the fixed construction part 4a, respectively.

  Further, an inner wall 16 erected in a substantially circumferential shape around the shaft 30 penetrates the units 3a, 3a,... From the first floor to the top floor of the building 2a at the substantially central portion of the fixed construction portion 4a. It is provided in the state. Therefore, the inner wall 16 also has a function as a support for supporting the building 2a main body. A partition wall 18 for partitioning the units 3a is provided in the inner wall 16 (in a protruding portion 20 described later). Further, in the inner wall 16 (in the protruding portion 20), a staircase 17 that connects the fixed building portion 4a and the rotary building portion 5a is provided along the inner surface of the inner wall 16. In addition, the part which protrudes upwards rather than the fixed construction part 4a of the inner wall 16 is set as the protruding part 20.

  Above the fixed construction part 4 a, the rotary construction part 5 a formed in a donut shape is installed in a state of being fitted to the protruding part 20, and is rotatable about the shaft 30. The rotary construction part 5a is formed with a living space 22 between an outer wall 21 and an inner wall 16 (projecting portion 20) formed in a substantially circumferential shape. In the living space 22, Functions such as study and terrace are provided. Moreover, the rotation construction part 5a has a structure having a gap of a predetermined interval (about 2 to 3 m) between the rotation part 5a and the common part 6, and is rotatable without being constrained by the common part 6. . In addition, the block wall 34 provided with the entrance / exit 34 at the time of emergency is provided in the rotation construction part 5a side of the common use part 6. FIG. In an emergency or the like, it passes through the ceiling upper surface of a porch or the like (connecting portion with the shared portion 6) that connects the entrance 13 provided in the fixed building portion 4a and the shared portion 6 to the shared portion from the rotary building portion 5a. You can evacuate to 6 (floor). Reference numerals 23 and 24 denote a ceiling and a floor of the rotary construction part 5a, respectively.

  Further, a storage space 40 is provided between the floor 24 of the rotary construction part 5a and the ceiling 11 of the fixed construction part 4a, and a drive mechanism (drive means) for rotating the rotary construction part 5a in the storage space 40. ) 41 is installed. The drive mechanism 41 includes a plurality of outer wheels 42, 42... Arranged on a circumference around the shaft 30, geared motors 43, 43... Serving as a drive source for the outer wheels 42, and the shaft 30. A plurality of inner wheels 44, 44... Installed inside the outer wheels 42, 42... On the circumference around the center, an outer rail 45 engaged with the outer wheels 42, 42. 44, 44... And an inner rail 46 that engages. Each outer wheel 42, geared motor 43, and inner wheel 44 are installed on the upper surface of the concrete wall 19 projecting in a disk shape in the storage space 40, and the outer rail 45 and the inner rail 46 are the rotating construction part 5 a. It is installed on the lower surface of the floor 24.

Here, the drive mechanism 41 will be described in detail with reference to FIG. FIG. 4 is an enlarged explanatory view showing the drive mechanism 41.
On the lower surface of the floor 24, an outer rail 45 and an inner rail 46 are installed concentrically around the shaft 30 so as to hang down from the lower surface of the floor 24. The outer rail 45 and the inner rail 46 are rails having an I-shaped cross section used for railways and the like, and are fixed to the lower surface of the floor 24 via H steel 47 as shown in FIG. Note that a metal rack 48 is fixed to the joint portion between the outer rail 45 and the H steel 47 and has a large number of longitudinal teeth protruding outwardly at equal intervals. The geared motor 43 is in mesh with the pinion 49.

  On the other hand, on the upper surface of the concrete wall 19, a plurality of outer wheels 42, 42... And inner wheels 44, 44 are fixed on a concentric circumference (centered on the shaft 30) corresponding to the outer rail 45 and the inner rail 46. Yes. The outer wheel 42 and the inner wheel 44 are rotatable along a tangential direction of a circle around the shaft 30, and the rotation shafts are supported by bearing members 50 and 50. In addition, a geared motor 43 whose drive is controlled by a control device (not shown) installed for each unit 3a is installed adjacent to each outer wheel 42. A gear-like pinion 49 that meshes with the rack 48 is provided at the upper end of the support shaft.

  Further, a groove 51 is provided on the outer side of the outer wheel 42 (the outer peripheral edge of the upper surface of the concrete wall 19). The groove 51 is inserted with a tip of an iron guard plate 53 suspended downward from the lower surface of the floor 24 and filled with antifreeze (liquid) so as to fill a gap between the groove 51 and the guard plate 53. ing. Further, a U-shape having a U-shaped portion curved in a U-shape downwardly on the outside of the outer wall 14 (21) so as to close a gap between the outer wall 14 of the fixed building portion 4a and the outer wall 21 of the rotary building portion 5a. The member 51 is attached, and the groove 51 filled with the antifreeze liquid, the guard plate 53, and the U-shaped member 52 block the gap between the fixed construction part 4a and the rotary construction part 5a, and the outside air enters. Is blocking. In addition, the groove | channel 51, the guard board 53, and the U-shaped member 52 are fixed between each unit 3a (in the rotation building 2a, the rotation construction part 5a of one unit 3a and the other unit 3a located in the upper part are fixed. It is also provided between the building portion 4a and closes the gap formed between the units 3a.

  According to the drive mechanism 41 configured as described above, the outer rail 45 is placed on the outer wheels 42, 42... With the rack 48 engaged with each pinion 49, and the inner rail 46 is placed on the inner wheels 44, 44. By engaging with each other, the rotary construction part 5a can be rotatably supported on the fixed construction part 4a. Then, under the control of the control device, the geared motors 43, 43,... Are driven to synchronize the outer wheels 42, 42,. By rotating (at speed), the rotating building 5a can be rotated in any direction on the fixed building 4a. That is, the rotation can be experienced in the living space 22 in the rotating construction part 5a.

Next, the unit 3b in the rotating building 2b will be described.
The unit 3b has a two-story structure in which the rotary construction part 5b is installed below the fixed construction part 4b as described above. The construction of the fixed construction part 4b and the rotary construction part 5b in the unit 3b is substantially the same as that of the fixed construction part 4a and the rotary construction part 5a of the unit 3a. Provided in a connected state (connected state). Further, the rotary construction part 5 b is installed in a state having a predetermined gap between the shared part 6 and is rotatable without being constrained by the shared part 6.

On the other hand, the installation position of the drive mechanism 41 is different between the unit 3a and the unit 3b. As shown in FIG. 2, the drive mechanism 41 in the unit 3b is not between the fixed construction part 4b and the rotary construction part 5b in the single unit 3b, but the rotational construction part 5b of the single unit 3b. It is installed in a storage space formed between the fixed construction part 4b of the other unit 3b located below. That is, also in the rotating building 2b, the rotating building 5b (one unit 3b) is rotatably supported on the fixed building 4b (the other unit 3b), and if it is not viewed as a unit, the rotating building 2b rotates. The structure is the same as that on the building 2a side.
Then, under the control of a control device (not shown), the rotary building part 5b can be rotated in an arbitrary direction below the fixed building part 4b around the shaft 30.
The configuration of the drive mechanism 41 (configuration related to rotation, etc.), the configuration that prevents the intrusion of outside air by a groove, a guard plate, and the like are the same as the configuration of the unit 3a.

  According to the building 1 configured as described above, the rotary building 2 (2a, 2b) in which the fixed building 4 (4a, 4b) and the rotary building 5 (5a, 5b) are stacked, and the fixed building. Since the common part 6 connected only to the part 4 is provided, the midway floor is rotated independently of the upper floor by guiding the piping facilities of the rotary building 2 to the common part 6. be able to.

  In addition, since functions such as kitchens, toilets, and baths that require piping facilities and the like can be provided in the living space 15 of the fixed construction part 4, the inside of the inner wall 16 (shaft part) is small compared to conventional buildings. It is possible to make space, and as a result, the size of the entire building can be reduced. Therefore, the feasibility and practicality can be improved, and the cost required for rotation (cost for driving a geared motor or the like) can be kept lower than before.

  Furthermore, the unit 3a and the unit 3b as described above are combined (that is, the positions of the fixed building unit 4 and the rotary building unit 5 are alternated in the two buildings 2 and 2), and the rotary building unit 5 and By making the building 1 provided with the block wall 34 between the common part 6, the resident on the side communicating with the common part 6 can use the floor more widely, and also ensure privacy and improve crime prevention. It is possible to provide a rational building that can be expected to have such an effect.

  Furthermore, since the fixed construction part 4 and the rotary construction part 5 are alternately laminated, even if a gap of about 2 to 3 m is provided between the rotary construction part 5 and the common part 6, it is an emergency. For example, it is possible to evacuate from the rotary construction part 5 to the common part 6 through the entrance 13 that communicates the fixed construction part 4 and the common part 6 or the upper surface of the ceiling of the porch.

  In addition, a U-shaped member 52 formed so as to close the gap at the U-shaped portion is installed between the fixed building portion 4 and the rotary building portion 5, and a groove filled with antifreeze inside the outer wall. 51 and the guard plate 53 inserted into the groove 51 are provided around, so that intrusion of outside air (such as a crevice wind) from between the fixed construction part 4 and the rotary construction part 5 can be reliably prevented. . Therefore, the heating efficiency is very good.

  The structure of the building of the present invention is not limited to the embodiment described above, but is a fixed building part, a rotating building part, a unit, a common part, an inner wall, an outer wall, a driving means, and a support. The configuration relating to the shape and structure of the body, guard member, liquid, etc. can be appropriately changed as necessary without departing from the spirit of the present invention.

  For example, the above-mentioned building is not specialized for a residential building, and can naturally be applied to a building for an exhibition hall or an event hall. In the above embodiment, the inner wall is provided so as to penetrate the entire rotating building, so that the inner wall is provided with a function as a support. However, the inner wall is not provided so as to penetrate the inner wall. Further, it is possible to adopt a configuration in which a columnar support that penetrates the entire rotating building is provided on the inner side (shaft), or a configuration in which a support that connects fixed construction parts to each other outside the outer wall is provided. is there.

  Further, as in the above-described embodiment, a single building having a common part may be used instead of a structure in which two rotating buildings are adjacent to one common part. . On the contrary, it is naturally possible to make a structure in which three or more rotating buildings are adjacent to one common part. Here, based on FIG. 5, a building 1 ′ including four rotating buildings 2 c to 2 f and a shared portion 6 ′ will be described. FIG. 5 is an explanatory sectional view showing a horizontal section of an odd-numbered floor of the building 1 ′.

The building 1 ′ is configured in the same manner as the shared building 6 ′ having a floor, a piping chamber 33 ′, and the like, and the rotating building 2a (that is, a fixed building with an odd-numbered floor communicating with the floor of the shared unit 6 ′) The rotation buildings 2c and 2f and the rotation buildings 2d and 2e that are configured in the same manner as the rotation building 2b (that is, the odd-numbered floor is the rotation building portion).
A blow-through 57 is provided in the approximate center of the shared part 6 ', and the building 2c, 2d side and the building 2e, 2f side are separated. In addition, the structure of the unit of each rotation building is the same as that of the corresponding unit of the above-described embodiment, and the rotation building part can be arbitrarily rotated.

Even with the configuration as described above, a resident of a rotating building that communicates with the shared unit 6 ′ can use the floor more widely, and can expect the effects of ensuring privacy and improving crime prevention. Furthermore, since the four rotating buildings 2c to 2f are adjacent to one common part 6 ′, the size of the building 1 can be reduced, and the extremely rational building can be achieved. can do.
In addition, if a floor board is installed in the atrium 57, for example, the rotating building 2c and the rotating building 2f can be moved back and forth, and the movement between the rotating buildings can be smoothly performed. The building 1 ′ can be suitably used as an exhibition hall or an event hall. That is, it can be set as building 1 'with high versatility.

  On the other hand, instead of alternately laminating fixed construction parts and rotary construction parts as in the above embodiment, one rotational construction part is provided on the fixed construction part, and one rotational construction part is further provided thereon. It is also possible to provide another rotating building that can rotate independently. Further, for example, a fixed construction part or a rotary construction part having a plurality of floors such as a two-story fixed construction part or a rotational construction part (in this case, each floor of the rotational construction part will rotate in synchronization). No problem.

In addition, the control device for rotating the rotating construction part may be freely operable by a resident or the like (that is, can be rotated in any direction at any time) or automatically controlled (for example, determined). It is also possible to make one round in the direction determined at a given time).
Furthermore, it is naturally possible to provide a configuration that requires piping facilities such as a toilet and a washroom inside the inner wall (protruding portion). Therefore, for example, in the rotary building 2a of the above embodiment, there is no problem even if a toilet or the like is installed in the inner wall of the even floor.

Furthermore, a support mechanism 55 as shown in FIG. 6 may be installed in order to increase the stability of the rotating building and the resistance to roll.
Here, the support mechanism 55 will be described. The support mechanism 55 is installed between the upper surface of the rotary building unit 5 and the lower surface of the fixed building unit 4, and includes a support wheel device including a support wheel 56 that can rotate around a vertical axis. It consists of a support rail 57 that can be engaged with the support wheel 56 and is provided around the axis of the rotary construction part. A plurality of support wheel devices are installed on a concentric circumference centering on the rotation axis of the rotary building unit 5 as in the case of the inner wheel or the like in the above embodiment. On the other hand, the support rail 56 is provided around the concrete wall 19 projecting in a disk shape from the inner wall 16 between the upper surface of the rotary building portion 5 and the lower surface of the fixed building portion 4.

  By installing the support mechanism 55 as described above, the structure is such that the upper surface of each unit is supported by the support mechanism 55 so that the wheels and rails in the drive mechanism and the like can be used even under strong winds or in the event of an earthquake. The structure will not be disengaged (that is, resistance to roll or pitch can be improved), and the stability of the building should be extremely high even when the building is made taller. Can do.

  In addition, an opening (which may be normally closed by a door or the like) leading to the back of the ceiling or the floor can be provided between the fixed construction part and the rotary construction part. By adopting this configuration, for example, it is possible to easily check the state of the liquid filled in the groove (for example, whether it has leaked or decreased), and the support mechanism is provided as described above. In this case, fine adjustment of the installation position of the support mechanism is facilitated.

It is a partial front view of a building. It is the fragmentary sectional view which showed the vertical cross section of the building. It is explanatory sectional drawing which showed the horizontal cross section of the building, (a) shows the odd-numbered floor, (b) shows the even-numbered floor, respectively. It is an enlarged explanatory view showing a drive mechanism. It is explanatory sectional drawing which showed the horizontal cross section of the odd-numbered floor of a building. It is explanatory sectional drawing which showed the support mechanism which supports rotation of a rotation construction part. It is explanatory drawing which showed the vertical cross section of the conventional rotation building.

Explanation of symbols

  1, 1 ′ ·· Building, 2 (2a ~ 2f) ·· Rotary building, 3 (3a, 3b) ·· Unit, 4 (4a, 4b) ·· Fixed building part, 5 (5a, 5b) ·・ Rotary construction, 6, 6 '・ ・ Common area, 11 ・ ・ Ceiling, 12 ・ ・ Floor, 13 ・ ・ Entrance, 14 ・ ・ Outer wall, 15 ・ ・ Residential space, 16 ・ ・ Inner wall, 17 ・ ・ Stairs, 18..Partition plate, 19..Concrete wall, 20..Projecting part, 21..Outer wall, 22..Residential space, 23..Ceiling, 24..Floor, 30..Shaft, 31..Elevator, 32. ..Stairs 33, 33 '.. Piping chamber 34..Block wall 40..Storage space 41..Drive mechanism 42..Outer wheel 43..Geared motor 44..Inner wheel 45. ..Outer rail, 46..Inner rail, 47..H steel, 48..Rack, 49..Pinion, 50. Ring member, 51 ... groove, 52 ... U-shaped member, 53 ... guard plate, 57 ... blow.

Claims (3)

A fixed construction part having a projecting part projecting upward, and a rotational construction which is mounted on the fixed construction part in a state of being fitted to the projecting part and is rotatable about a rotation axis along the vertical direction. And a rotating building comprising at least one set of driving means installed between the fixed building part and the rotary building part for rotating the rotary building part, and connected to the fixed building part have a and common areas,
In the rotating building, the fixed building portion and the rotating building portion are alternately stacked, and a support body for connecting the fixed building portions to support the rotating building is provided. Building. A fixed construction part having a projecting part projecting upward, and a rotational construction which is mounted on the fixed construction part in a state of being fitted to the projecting part and is rotatable about a rotation axis along the vertical direction. And a rotating building comprising at least one set of driving means installed between the fixed building part and the rotary building part for rotating the rotary building part, and connected to the fixed building part With a common area,
In addition to the one shared part, the fixed building part and the rotating building part are alternately stacked, and the rotating building is provided with the two rotating structures. A building characterized by staggering positions with the building. A guard plate erected downward and a lower end of the guard plate can be inserted between the fixed construction portion and the rotary construction portion, and a groove is formed by closing a gap between the guard plate and the guard plate. The building according to claim 1 , wherein a U-shaped member that closes a gap between the fixed building portion and the rotary building portion is provided at a character portion.

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