JP2008133651A - Construction method and structure for reforming space in house building - Google Patents

Construction method and structure for reforming space in house building Download PDF

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JP2008133651A
JP2008133651A JP2006320046A JP2006320046A JP2008133651A JP 2008133651 A JP2008133651 A JP 2008133651A JP 2006320046 A JP2006320046 A JP 2006320046A JP 2006320046 A JP2006320046 A JP 2006320046A JP 2008133651 A JP2008133651 A JP 2008133651A
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floor
space
residential building
staircase
height
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Masashi Takahashi
雅司 高橋
Masaru Kubo
勝 久保
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Sumitomo Forestry Co Ltd
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Sumitomo Forestry Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a construction method for reforming a space in a house building, which enables a living space with an open open-ceiling space with a great ceiling height to be efficiently provided in an existing house building. <P>SOLUTION: In this construction method for reforming the space in the house building, the habitable space 11, which has an intermediate floor 13 with a half-story height from a lower-floor floor section 12 and the upper section of which is constituted as an open-ceiling space with a one-and-a-half story height, is formed in the existing house building 10 with upper and lower floors. A staircase section 14 of the existing house building 10, and an area adjacent to the staircase section 14 serve as a space reform section 17. The space reform section 17 is provided with a lower staircase 19a directed toward the lower floor, and an upper staircase 19b toward the upper floor, between which a landing section 18 is provided; and a floor portion of the landing section 18 is constituted as the intermediate floor 13 and elongated to the space reform section 17, so as to form the habitable space 11, the upper portion of which is constituted as the open-ceiling space with the one-and-a-half story height. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、上階と下階とを有する既設住宅建物に、下階の床部から0.5層分の高さの中間床を有し、上方が1.5層分の高さの吹抜け空間となった居住スペースを形成する住宅建物の空間リフォーム工法及び空間リフォーム構造に関する。   The present invention provides an existing residential building having an upper floor and a lower floor with an intermediate floor having a height of 0.5 layers from the floor of the lower floor, and an atrium having a height of 1.5 layers above. The present invention relates to a space remodeling method and a space remodeling structure of a residential building that forms a living space.

近年、2階建て以上の住宅建物については、建物の内部の空間に変化を与えて開放感が得られるようにしたり、使い勝手の良い大きな収納空間が得られるようにすることを目的として、住宅建物の新築時に、各階の床を部分的に上下にずらして高低差を設け、天井高さの高い開放的な吹抜け空間や、天井高さの低い蔵形収納庫等を形成した住宅建物が種々開発されている(例えば、特許文献1参照)。   In recent years, with regard to residential buildings with two or more stories, residential buildings have been designed to provide a sense of openness by changing the interior space of the building and to provide a large storage space that is easy to use. When building a new building, various floors were developed by partially shifting the floor of each floor up and down to create an open atrium with a high ceiling and a storage cabinet with a low ceiling. (For example, refer to Patent Document 1).

一方、住宅建物に居住する居住者のライフスタイルの変化や、居住者数の変動等に応じて、既設の住宅建物の内部空間を改造するリフォームが頻繁に行われている(例えば、特許文献2、特許文献3参照)。   On the other hand, remodeling is frequently performed to remodel the internal space of an existing residential building according to changes in the lifestyle of residents living in the residential building, changes in the number of residents, and the like (for example, Patent Document 2). And Patent Document 3).

また、例えば居住者であった子供が自立した後に、両親のみが居住することになった住宅建物等においては、建物の内部の空間にゆとりが生じることになるので、リフォームによって、天井高さが高く開放的な吹抜け空間を有する居住スペースを設置したいという要望がなされる場合がある。
特開2001−323667号公報 特開2003−268990号公報 特開2000−144989号公報
Also, for example, in a residential building where only parents are to live after the child who was a resident became independent, there will be room in the interior space of the building. There is a case where it is desired to install a living space having a high and open atrium space.
JP 2001-323667 A JP 2003-268990 A Japanese Patent Laid-Open No. 2000-144989

しかしながら、従来の住宅建物の内部空間をリフォームする方法では、平面的な間取りを改造することを主目的とするものであって、建物の各階の床部を上下にずらして設置し直すことは想定しておらず、したがって構築した後の既設の住宅建物については、特に木造の住宅建物の場合、各階の床部を上下に位置換えして新たに吹抜け空間を形成することは困難であり、大規模な改造工事を伴うことになる。   However, the conventional method of remodeling the interior space of a residential building is mainly intended to modify the floor plan, and it is assumed that the floor of each floor of the building is shifted up and down. Therefore, for existing residential buildings after construction, especially in the case of wooden residential buildings, it is difficult to reposition the floors of each floor up and down to form a new atrium space. It will be accompanied by extensive remodeling work.

本発明は、このような従来の課題に着目してなされたものであり、既設の住宅建物に、天井高さが高く開放的な吹抜け空間を有する居住スペースを、改造工事の規模を抑制しつつ、効率良く設けることのできる住宅建物の空間リフォーム工法及び空間リフォーム構造を提供することを目的とする。   The present invention has been made paying attention to such a conventional problem, and in an existing residential building, a living space having a high ceiling height and an open atrium space, while suppressing the scale of remodeling work. An object of the present invention is to provide a space remodeling method and a space remodeling structure for a residential building that can be provided efficiently.

本発明は、上階と下階とを有する既設住宅建物に、下階の床部から0.5層分の高さの中間床を有し、上方が1.5層分の高さの吹抜け空間となった居住スペースを形成する住宅建物の空間リフォーム工法であって、前記既設住宅建物の階段部及び該階段部に隣接する領域を空間リフォーム部として、該空間リフォーム部に、踊場部を挟んだ下階への下部階段と上階への上部階段とを設け、且つ前記踊場部の床部を前記中間床として前記空間リフォーム部に延設させることにより、前記上方が1.5層分の高さの吹抜け空間となった居住スペースを形成する住宅建物の空間リフォーム工法を提供することにより、上記目的を達成したものである。   The present invention provides an existing residential building having an upper floor and a lower floor with an intermediate floor having a height of 0.5 layers from the floor of the lower floor, and an atrium having a height of 1.5 layers above. A space remodeling method for a residential building that forms a living space, wherein the staircase portion of the existing residential building and the area adjacent to the staircase portion are defined as a space remodeling portion, and a landing area is sandwiched between the space reforming portion By providing a lower stairs to the lower floor and an upper stairs to the upper floor, and extending the floor portion of the landing section as the intermediate floor to the space reforming portion, the upper portion corresponds to 1.5 layers. The above object has been achieved by providing a space remodeling method for a residential building that forms a living space that is a high aerial space.

ここで、上記記載における0.5層分の高さは、一般に230〜400cm程度の高さを有する1層分の高さの中間部分に位置する高さを略称するものであり、1層分の高さの1/2の高さの他、1層分の高さの40〜75%程度の高さを含むものである。また、1.5層分の高さは、一般に230〜400cm程度の高さを有する建物の1層分の高さに、これの略半分程度の高さを加えて、1層分の高さと2層分の高さの中間部分に位置する高さを略称するものであり、1層分の高さの1.5倍の高さの他、1層分の高さの1.40〜1.75倍程度の高さを含むものである。   Here, the height of 0.5 layers in the above description is abbreviated to the height located in the middle part of the height of one layer generally having a height of about 230 to 400 cm. In addition to the height of ½ of the height, it includes a height of about 40 to 75% of the height of one layer. In addition, the height of 1.5 layers is the height of one layer by adding approximately half the height to the height of one layer of a building generally having a height of about 230 to 400 cm. It stands for the height located in the middle part of the height of two layers, and it is 1.5 times the height of one layer and 1.40-1 of the height of one layer It includes a height of about 75 times.

また、本発明は、上記空間リフォーム工法によって設置された住宅建物の空間リフォーム構造であって、前記空間リフォーム部に設けられた、踊場部を挟んだ下階への下部階段及び上階への上部階段と、前記踊場部の床部を中間床として前記空間リフォーム部に延設させることにより形成された、上方が1.5層分の高さの吹抜け空間となった居住スペースとからなる住宅建物の空間リフォーム構造を提供することにより、上記目的を達成したものである。   Further, the present invention is a space renovation structure of a residential building installed by the above-mentioned space remodeling method, and is provided in the space renovation part, a lower stairs to the lower floor across the landing part and an upper part to the upper floor Residential building consisting of stairs and a living space formed by extending the floor of the landing part as an intermediate floor to the space reforming part and having an aerial space with a height of 1.5 layers above The above object is achieved by providing a spatial reforming structure.

さらに、本発明の住宅建物の空間リフォーム構造は、前記空間リフォーム部の一部に、前記中間床が配置されることなく下階の床部から上階の天井部まで連続する吹抜け部を設けることもできる。   Furthermore, in the space reforming structure of a residential building according to the present invention, a part of the space reforming part is provided with a blow-off part continuous from the floor part of the lower floor to the ceiling part of the upper floor without the intermediate floor being arranged. You can also.

さらにまた、本発明の住宅建物の空間リフォーム構造は、前記居住スペースの0.5層分の高さの中間床の下方の空間を収納庫とすることもできる。   Furthermore, the space reform structure of a residential building according to the present invention can use a space below an intermediate floor having a height corresponding to 0.5 layers of the living space as a storage.

そして、本発明の住宅建物の空間リフォーム工法又は空間リフォーム構造によれば、既設住宅建物の階段部及びこの階段部に隣接する領域を空間リフォーム部とし、下部階段と上部階段との間の踊場部の床部を中間床として空間リフォーム部に延設させることにより、上方が1.5層分の高さの吹抜け空間となった居住スペースを形成するので、少なくとも一部が上階の天井部に至る吹抜け部となった既設住宅建物の階段部を有効利用して、改造する領域を少なく留めると共に、階段としての機能を保持しつつ、効率良く上方が吹抜け空間となった居住スペースを設けることが可能になる。   And according to the space remodeling method or the space remodeling structure of the residential building of the present invention, the staircase part of the existing residential building and the area adjacent to the staircase part are used as the space reforming part, and the landing part between the lower stairs and the upper stairs By extending the floor part of the floor as an intermediate floor to the space renovation part, the upper part forms a living space with a height of 1.5 layers, so at least part of it is on the ceiling of the upper floor It is possible to effectively use the staircase of an existing residential building that has become an atrium, and to reduce the area to be remodeled, while maintaining the function as a staircase, and to efficiently provide a living space where the upper part is an atrium It becomes possible.

また、本発明の住宅建物の空間リフォーム構造では、空間リフォーム部の一部に、中間床が配置されることなく下階の床部から上階の天井部まで連続する吹抜け部を設けるようにすれば、より変化に富んだ趣のある屋内空間を建物の内部に設けることが可能になる。   Further, in the space reforming structure of a residential building according to the present invention, a part of the space reforming part is provided with an atrium part continuous from the floor part of the lower floor to the ceiling part of the upper floor without the intermediate floor being arranged. In this way, it is possible to provide a more quaint indoor space that is more varied in the building.

さらに、本発明の住宅建物の空間リフォーム構造では、上方が1.5層分の高さの吹抜け空間となった居住スペースの、0.5層分の高さの中間床の下方の空間に収納庫を設けるようにすれば、下階の床部から出し入れや出入りが容易な、使い勝手の良い利便性に富んだ相当の大きさの収納スペースを、効率良く形成することが可能になる。   Furthermore, in the space renovation structure of a residential building according to the present invention, the housing space is stored in a space below the intermediate floor having a height of 0.5 layers in a living space whose height is an atrium space having a height of 1.5 layers. By providing the storage, it is possible to efficiently form a storage space of a considerable size that is easy to use and convenient and that is easy to put in and out from the floor on the lower floor.

本発明の住宅建物の空間リフォーム工法又は空間リフォーム構造によれば、既設の住宅建物に、天井高さが高く開放的な吹抜け空間を有する居住スペースを、改造工事の規模を抑制しつつ、効率良く設けることができる。   According to the space renovation method or the space remodeling structure of a residential building of the present invention, an existing residential building having a high ceiling height and an open atrium space can be efficiently manufactured while suppressing the scale of the remodeling work. Can be provided.

本発明の好ましい第1実施形態に係る住宅建物の空間リフォーム工法及び空間リフォーム構造は、例えば図1(a),(b)に示す木造2階建ての既設住宅建物10に対して、空間リフォームを施すことにより、天井高さが高く開放的な吹抜け空間を有する居住スペースを、スキップフロア11(図2(b)参照)として新たに設置するものである。   The spatial reforming method and the spatial reforming structure for a residential building according to the first preferred embodiment of the present invention is performed by performing spatial reforming on an existing residential building 10 having two wooden floors as shown in FIGS. 1 (a) and 1 (b), for example. By applying, a living space having a high ceiling height and an open atrium space is newly installed as the skip floor 11 (see FIG. 2B).

すなわち、本第1実施形態の空間リフォーム工法は、図1(a),(b)及び図2(a),(b)に示すように、例えば上階(2階)と下階(1階)とを有する木造2階建ての既設住宅建物10に、1階の床部12から0.5層分の高さの中間床13を有し、上方が1.5層分の高さの吹抜け空間となった、相当の広さのスキップフロア11を形成するための改造を施す工法であって、既設住宅建物10の北側中央部分に設けられた階段部14、及びこの階段部14に隣接する、1階の納戸15や2階の東側洋室16の北西の角部分16aを含んだ領域を空間リフォーム部17として(図1(a),(b)参照)、この空間リフォーム部17に、踊場部18を挟んだ下階への下部階段19aと上階への上部階段19bとを設け、且つ踊場部18の床部を中間床13として空間リフォーム部17に延設させることにより、上方が1.5層分の高さの吹抜け空間となったスキップフロア11を形成するものである(図2(a),(b)参照)。   That is, the space reform method of the first embodiment is, for example, as shown in FIGS. 1A and 1B and FIGS. 2A and 2B, for example, the upper floor (second floor) and the lower floor (first floor). 2) The existing two-story wooden building 10 having an intermediate floor 13 having a height of 0.5 layers from the floor portion 12 on the first floor, and the upper part having a height of 1.5 layers It is a construction method for remodeling to form a skip floor 11 having a considerably large space, which is adjacent to the staircase portion 14 provided in the central portion on the north side of the existing residential building 10 and the staircase portion 14. The area including the northwest corner portion 16a of the first floor storage room 15 and the east side western room 16 on the second floor is defined as a space reforming part 17 (see FIGS. 1A and 1B). The lower stairs 19a to the lower floor across the section 18 and the upper stairs 19b to the upper floor are provided, and the landing section 1 By extending the floor portion of the floor as an intermediate floor 13 to the space reforming portion 17, a skip floor 11 is formed in which the upper portion is a blow-off space having a height of 1.5 layers (FIG. 2 (a)). , (B)).

そして、本第1実施形態の空間リフォーム工法によって、図2(a),(b)に示すように、空間リフォーム部17に設けられた、踊場部18を挟んだ下階への下部階段19a及び上階への上部階段19bと、踊場部18の床部を中間床13として空間リフォーム部17に延設させることにより形成された、上方が1.5層分の高さの吹抜け空間となった居住スペースとしてのスキップフロア11とからなる住宅建物の空間リフォーム構造20が形成されることになる。   Then, by the space reform method of the first embodiment, as shown in FIGS. 2 (a) and 2 (b), a lower staircase 19a to the lower floor across the landing 18 provided in the space reforming portion 17 and The upper stairs 19b to the upper floor and the floor part of the landing 18 were extended to the space reforming part 17 as the intermediate floor 13, and the upper part became a 1.5-story high atrium space. A space reform structure 20 of a residential building composed of the skip floor 11 as a living space is formed.

また、本第1実施形態によれば、図1(a),(b)に示すリフォーム前の既設住宅建物10の、階段部14、及び2階の東側洋室16に設けた収納16bの南側に隣接する略正方形の領域17aもまた、空間リフォーム部17の一部として含まれており、この略正方形の領域17aは、中間床13が配置されることなく、1階のリビングダイニングキッチン21の床部12から上階の天井部まで連続する空間となった吹抜け部22となっている(図2(b)参照)。   In addition, according to the first embodiment, on the south side of the storage 16b provided in the staircase 14 and the east-side western room 16 on the second floor of the existing residential building 10 before the renovation shown in FIGS. 1 (a) and 1 (b). An adjacent substantially square area 17a is also included as a part of the space reforming portion 17, and the substantially square area 17a is a floor of the living dining kitchen 21 on the first floor without the intermediate floor 13 being disposed. It becomes the atrium part 22 which became the space which continued from the part 12 to the ceiling part of the upper floor (refer FIG.2 (b)).

本第1実施形態の空間リフォーム工法によって既設住宅建物10の内部空間を改造するには、例えば空間リフォーム部17の区画内に配置されていた階段部14や2階の床部23、或いは仕切り壁等を撤去してから、周囲の柱や新たに設置した柱に支持させて、中間床13を受ける床受け梁等を設置した後に、踊場部18、中間床13、下部階段19a、上部階段19b等を設置すると共に、空間リフォーム部17を周囲の部屋やスペースから区画する仕切壁や手摺壁等を設置する。またこれに伴って、2階の東側洋室16を、南北に仕切った2つの洋室16c,16dに改造する(図2(b)参照)。さらに、スキップフロア11の0.5層分の高さの中間床13の下方の、人がかがんで出入りできる程度の高さの空間は、1階のリビングダイニングキッチン21から出入り可能な収納庫24として使用する(図2(a)参照)。   In order to remodel the internal space of the existing residential building 10 by the space reforming method of the first embodiment, for example, the staircase portion 14 or the floor portion 23 on the second floor arranged in the section of the space reforming portion 17 or the partition wall Etc. are removed and then supported by surrounding pillars or newly installed pillars, and floor receiving beams etc. for receiving the intermediate floor 13 are installed, and then the landing 18, the intermediate floor 13, the lower stairs 19 a, and the upper stairs 19 b In addition, a partition wall, a handrail wall, and the like that divide the space reforming portion 17 from surrounding rooms and spaces are installed. Along with this, the east-side western-style room 16 on the second floor is remodeled into two western-style rooms 16c and 16d partitioned north and south (see FIG. 2 (b)). Furthermore, the space below the intermediate floor 13 having a height corresponding to 0.5 layers of the skip floor 11 is high enough for a person to bend and go in and out, and can be accessed from the living dining kitchen 21 on the first floor. 24 (see FIG. 2A).

そして、本第1実施形態によれば、既設住宅建物10に、天井高さが高く開放的な吹抜け空間を有する居住スペースとしてのスキップフロア11を、改造工事の規模を抑制しつつ、効率良く設けることができる。すなわち、本第1実施形態によれば、既設住宅建物10の階段部14及びこの階段部14に隣接する領域を空間リフォーム部17とし、踊場部18の床部18aを中間床13として空間リフォーム部17に延設させることによって、上方が1.5層分の高さの吹抜け空間となったスキップフロア11を形成するので、少なくとも一部が上階の天井部に至る吹抜け部となった既設住宅建物の階段部14を有効利用して、改造する領域を少なく留める共に、下部階段19a及び上部階段19bによって階段としての機能を保持しつつ、効率良く上方が吹抜け空間となった開放的な雰囲気のスキップフロア11を設けることが可能になる。   According to the first embodiment, the existing residential building 10 is efficiently provided with the skip floor 11 as a living space having a high ceiling height and an open atrium space while suppressing the scale of the remodeling work. be able to. That is, according to the first embodiment, the staircase portion 14 of the existing residential building 10 and the area adjacent to the staircase portion 14 are the space reforming portion 17, and the floor portion 18 a of the dance hall portion 18 is the intermediate floor 13. Since the skip floor 11 is formed with a height of 1.5 layers in height, the existing house is at least partly formed as an atrium that reaches the ceiling of the upper floor. Effective use of the staircase 14 of the building keeps the area to be remodeled small, and while maintaining the function as a staircase by the lower staircase 19a and the upper staircase 19b, it has an open atmosphere in which the upper space is efficiently an atrium. A skip floor 11 can be provided.

また、本第1実施形態によれば、空間リフォーム部17の一部に、中間床13が配置されることなく1階の床部12から2階の天井部まで空間が連続する吹抜け部22が設けられているので、より変化に富んだ趣のある屋内空間を既設住宅建物10の内部に形成することが可能になる。   In addition, according to the first embodiment, a part of the space reforming part 17 has the atrium 22 in which the space continues from the floor 12 on the first floor to the ceiling on the second floor without the intermediate floor 13 being arranged. Since it is provided, it is possible to form a more quaint indoor space that is more varied in the interior of the existing residential building 10.

さらに、本第1実施形態によれば、スキップフロア11の0.5層分の高さの中間床13の下方の空間に収納庫24を設けられているので、1階のリビングダイニングキッチン21の床部12から出し入れや出入りが容易な、使い勝手の良い利便性に富んだ相当の大きさの収納スペースを、効率良く形成することが可能になる。   Furthermore, according to the first embodiment, since the storage 24 is provided in the space below the intermediate floor 13 having a height of 0.5 layers of the skip floor 11, the living dining kitchen 21 on the first floor It is possible to efficiently form a storage space having a considerable size that is easy to use and convenient and that is easy to put in and out from the floor 12.

図3(a),(b)及び図4(a),(b)は、本発明の好ましい第2実施形態に係る空間リフォーム工法及びリフォーム構造を示すものである。本第2実施形態によれば、上記第1実施形態と同様の間取りの既設住宅建物10に対して改造を施すものであり、これの北側中央部分に設けられた階段部14、及びこの階段部14に隣接する、1階の納戸15や2階の東側洋室16の北西の角部分16aを含んだ領域を空間リフォーム部17’として(図3(a),(b)参照)、この空間リフォーム部17’に、改造前の階段部14をそのまま利用して、踊場部18’を挟んだ下階への下部階段19a’と上階への上部階段19b’とを設けると共に、踊場部18’の床部を中間床13’として、改造前の納戸15側部分に延設させることにより、当該納戸15の部分に上方が1.5層分の高さの吹抜け空間となった居住スペースとしての書斎コーナー25を形成するものである(図4(a),(b)参照)。   3 (a), 3 (b) and 4 (a), 4 (b) show a spatial reforming method and a reforming structure according to a preferred second embodiment of the present invention. According to the second embodiment, the existing residential building 10 having the same layout as that of the first embodiment is remodeled, and the staircase portion 14 provided in the central portion on the north side thereof, and the staircase portion. The area including the northwest corner portion 16a of the first floor storage room 15 and the second floor east side western room 16 adjacent to 14 is defined as a space reforming portion 17 '(see FIGS. 3A and 3B). In the section 17 ′, the lower staircase 19a ′ to the lower floor and the upper stairway 19b ′ to the upper floor are provided, using the staircase section 14 before modification as it is, and the landing section 18 ′. As a living space, the floor of the storage room 15 'is extended to the side of the storage 15 before remodeling, and the upper part of the storage 15 is a 1.5-story high atrium space. A study corner 25 is formed (FIG. 4 ( ), (B) reference).

また、本第2実施形態では、2階の東側洋室16を、収納16aを撤去して南北に仕切られた洋室16e及びウォークインクローゼット16fに改造すると共に、書斎コーナー25の0.5層分の高さの中間床13’の下方の、人がかがんで出入りできる程度の高さの空間は、1階の玄関26から出入り可能なシュークローク27として使用するようになっている。   In the second embodiment, the east-side western room 16 on the second floor is remodeled into a Western-style room 16e and a walk-in closet 16f that are partitioned north and south by removing the storage 16a, and is also equivalent to 0.5 layers of the study corner 25. The space below the height intermediate floor 13 'is high enough to allow people to go in and out, and is used as a shoe cloak 27 that can enter and exit from the entrance 26 on the first floor.

本第2実施形態によっても、上記第1実施形態と略同様の作用効果が奏されると共に、改造前の階段部14を、そのまま踊場部18’を挟んだ下階への下部階段19a’と上階への上部階段19b’として利用するので、さらに効率良く上方が吹抜け空間となった開放的な居住スペースとしての書斎コーナー25を設けることが可能になる。   According to the second embodiment, substantially the same functions and effects as those of the first embodiment can be obtained, and the step 14 before remodeling can be used as a lower step 19a ′ to the lower floor with the dance hall 18 ′ interposed therebetween. Since it is used as the upper stairway 19b 'to the upper floor, it is possible to more efficiently provide the study corner 25 as an open living space in which the upper part becomes an atrium space.

図5(a),(b)及び図6(a),(b)は、本発明の好ましい第3実施形態に係る空間リフォーム工法及びリフォーム構造を示すものである。本第3実施形態によれば、既設住宅建物30の西側部分に設けられた階段部31、及びこの階段部31の南側に隣接する、1階のキッチン32や2階の西側洋室33を含んだ領域を空間リフォーム部34として(図5(a),(b)参照)、この空間リフォーム部34に、改造前の階段部31をそのまま利用して、踊場部35を挟んだ下階への下部階段36aと上階への上部階段36bとを設けると共に、踊場部35の床部を中間床37として、これの南側のキッチン32や西側洋室33の部分に延設させることにより、上方が1.5層分の高さの吹抜け空間となった開放的な居住スペースとしてのスキップフロア38を形成するものである(図6(a),(b)参照)。   5 (a), 5 (b) and 6 (a), 6 (b) show a spatial reforming method and a reforming structure according to a preferred third embodiment of the present invention. According to the third embodiment, the staircase 31 provided in the west part of the existing residential building 30 and the kitchen 32 on the first floor and the western western room 33 on the second floor adjacent to the south side of the staircase 31 are included. The area is defined as a space reforming part 34 (see FIGS. 5A and 5B), and the lower part of the lower floor with the landing area 35 sandwiched between the space reforming part 34 and the staircase part 31 before modification. A staircase 36a and an upper staircase 36b to the upper floor are provided, and the floor portion of the landing 35 is used as an intermediate floor 37 so as to extend to the south side kitchen 32 and the west side western room 33, so that the upper part is 1. A skip floor 38 is formed as an open living space that is a five-layer high atrium space (see FIGS. 6A and 6B).

また、本第3実施形態では、キッチン32の床部を、段差部32aを介して1段下がるように改造することにより、スキップフロア38の下方においても立ったままキッチン32での作業を行えるようにすると共に(図6(a)参照)、西側洋室33と東側洋室39の間の収納を一部撤去することにより、スキップフロア38の吹抜け空間として切り欠かれることにより狭くなった西側洋室33の面積を、相当の大きさに保持できるようにしている(図6(b)参照)。本第3実施形態によっても、上記第1実施形態や上記第2実施形態と略同様の作用効果が奏される。   In the third embodiment, the floor portion of the kitchen 32 is modified so as to be lowered by one step through the step portion 32a, so that the work in the kitchen 32 can be performed while standing below the skip floor 38. (See FIG. 6 (a)), by partially removing the storage between the western western room 33 and the eastern western room 39, the western western room 33 narrowed by being cut out as a blow-off space of the skip floor 38. The area can be maintained at a considerable size (see FIG. 6B). Also according to the third embodiment, substantially the same operational effects as the first embodiment and the second embodiment can be obtained.

図7(a),(b)及び図8(a),(b)は、本発明の好ましい第4実施形態に係る空間リフォーム工法及びリフォーム構造を示すものである。本第4実施形態によれば、住宅建物40の中央部分に設けられた階段部41、及びこの階段部41の東側に隣接する玄関ホール部42と南側に隣接するリビング43の北側部分とを含んだ領域を空間リフォーム部44として(図7(a),(b)参照)、この空間リフォーム部44に、改造前の階段部41とは向きが異なる階段部による、踊場部45を挟んだ下階への下部階段46aと上階への上部階段46bとを設けると共に、踊場部45の床部を中間床47として、これの西側部分に延設させることにより、上方が1.5層分の高さの吹抜け空間となった開放的な居住スペース部としてのPCコーナー48を形成するものである(図8(a),(b)参照)。   7 (a), 7 (b) and 8 (a), 8 (b) show a spatial reforming method and a reforming structure according to a preferred fourth embodiment of the present invention. According to the fourth embodiment, the staircase portion 41 provided in the central portion of the residential building 40, the entrance hall portion 42 adjacent to the east side of the staircase portion 41, and the north side portion of the living room 43 adjacent to the south side are included. The area is defined as a space reforming portion 44 (see FIGS. 7A and 7B), and the space reforming portion 44 is sandwiched by a staircase portion having a direction different from that of the staircase portion 41 before remodeling. A lower staircase 46a to the floor and an upper staircase 46b to the upper floor are provided, and the floor of the landing section 45 is used as an intermediate floor 47 so as to extend to the west side of the floor. A PC corner 48 is formed as an open living space portion which is a high-sized space (see FIGS. 8A and 8B).

また、本第4実施形態では、下部階段46aと上部階段46bによる階段部の向きを代えることにより、1階のリビング49を経て下部階段46aから2階へ昇降できるようになっていると共に(図8(a)参照)、2階の洋室50a,50bを改造して上部階段46bへの通路51や昇降口が設けられ、またPCコーナー48の南側の部分に、中間床47が配置されることなく1階の床部から2階の天井部まで空間が連続する吹抜け部52が設けられている(図8(b)参照)。さらに、PCコーナー48の0.5層分の高さの中間床47の下方の、人がかがんで出入りできる程度の高さの空間は、1階のダイニングキッチン53から出入り可能な食品庫54となっている(図8(a)参照)。本第4実施形態によっても、上記第1実施形態や上記第2実施形態と略同様の作用効果が奏される。   Further, in the fourth embodiment, by changing the direction of the staircase portion by the lower staircase 46a and the upper staircase 46b, it is possible to go up and down from the lower staircase 46a to the second floor through the living room 49 on the first floor (FIG. (Refer to 8 (a)) The Western rooms 50a and 50b on the second floor are remodeled to provide a passage 51 and a lift to the upper staircase 46b, and an intermediate floor 47 is arranged in the south part of the PC corner 48. Instead, a blow-off portion 52 in which the space continues from the floor portion on the first floor to the ceiling portion on the second floor is provided (see FIG. 8B). Furthermore, the space below the intermediate floor 47 having a height corresponding to 0.5 layers of the PC corner 48 is high enough for a person to bend and go in and out of the dining kitchen 53 on the first floor. (See FIG. 8A). Also according to the fourth embodiment, substantially the same operational effects as the first embodiment and the second embodiment can be obtained.

なお、本発明は上記各実施形態に限定されることなく種々の変更が可能である。例えば、上方が1.5層分の高さの吹抜け空間となった居住スペースの中間床の下方の空間は、収納庫とする必要は必ずしも無く、例えばシアタールーム、書斎等のその他の空間として有効利用することもできる。中間床の下方の空間をシアタールーム、書斎等として使用する場合には、中間床の下方の1階の床部を下げて形成することにより、十分な天井高さを確保することが可能になる。また、踊場部の床部から空間リフォーム部に延設される中間床は、踊場部の床部と同じ高さで延設する必要は必ずしも無く、これらに間に段差部を介在させても良い。さらに、本発明が適用される既設住宅建物は、木造2階建ての建物である必要は必ずしも無く、鉄骨造等の建物であっても良い。2階等を下階、3階等を上階として、3階建て以上の建物に適用することもできる。   The present invention is not limited to the above-described embodiments, and various modifications can be made. For example, the space below the middle floor of the living space, which is a 1.5-story high-level space above, does not necessarily have to be a storage, but is effective as other space such as a theater room or study. It can also be used. When the space below the intermediate floor is used as a theater room, study, etc., it is possible to secure a sufficient ceiling height by lowering the first floor below the intermediate floor. . Moreover, the intermediate floor extended from the floor part of the landing part to the space reform part does not necessarily extend at the same height as the floor part of the landing part, and a step part may be interposed therebetween. . Furthermore, the existing residential building to which the present invention is applied is not necessarily a two-story wooden building, and may be a steel framed building or the like. It can also be applied to buildings with three or more floors, with the second floor, etc. as the lower floor, the third floor, etc. as the upper floor.

本発明の好ましい第1実施形態を説明する、(a)は既設住宅建物のリフォーム前の1階間取り図、(b)は2階間取り図である。A preferred first embodiment of the present invention will be described. (A) is a floor plan of the first floor before renovation of an existing residential building, and (b) is a floor plan of the second floor. 本発明の好ましい第1実施形態を説明する、(a)は既設住宅建物のリフォーム後の1階間取り図、(b)は2階間取り図である。A preferred first embodiment of the present invention will be described. (A) is a floor plan of the first floor after renovation of an existing residential building, and (b) is a floor plan of the second floor. 本発明の好ましい第2実施形態を説明する、(a)は既設住宅建物のリフォーム前の1階間取り図、(b)は2階間取り図である。A preferred second embodiment of the present invention will be described. (A) is a floor plan of the first floor before renovation of an existing residential building, and (b) is a floor plan of the second floor. 本発明の好ましい第2実施形態を説明する、(a)は既設住宅建物のリフォーム後の1階間取り図、(b)は2階間取り図である。A preferred second embodiment of the present invention will be described. (A) is a floor plan of the first floor after renovation of an existing residential building, and (b) is a floor plan of the second floor. 本発明の好ましい第3実施形態を説明する、(a)は既設住宅建物のリフォーム前の1階間取り図、(b)は2階間取り図である。A preferred third embodiment of the present invention will be described. (A) is a floor plan of the first floor before renovation of an existing residential building, and (b) is a floor plan of the second floor. 本発明の好ましい第3実施形態を説明する、(a)は既設住宅建物のリフォーム後の1階間取り図、(b)は2階間取り図である。A preferred third embodiment of the present invention will be described. (A) is a floor plan of the first floor after renovation of an existing residential building, and (b) is a floor plan of the second floor. 本発明の好ましい第4実施形態を説明する、(a)は既設住宅建物のリフォーム前の1階間取り図、(b)は2階間取り図である。A preferred fourth embodiment of the present invention will be described. (A) is a floor plan of the first floor before renovation of an existing residential building, and (b) is a floor plan of the second floor. 本発明の好ましい第4実施形態を説明する、(a)は既設住宅建物のリフォーム後の1階間取り図、(b)は2階間取り図である。A preferred fourth embodiment of the present invention will be described. (A) is a floor plan of the first floor after renovation of an existing residential building, and (b) is a floor plan of the second floor.

符号の説明Explanation of symbols

10,30,40 既設住宅建物
11,38 スキップフロア(上方に吹抜け空間を有する居住スペース)
12 1階(下階)の床部
13,13’,37,47 中間床
14,31,41 階段部
17,17’,34,44 空間リフォーム部
18,18’,35,45 踊場部
19a,19a’,36a,46a 下部階段
19b,19b’,36b,46b 上部階段
20 空間リフォーム構造
22 吹抜け部
23 2階(上階)の床部
24 収納庫
25 書斎コーナー(上方に吹抜け空間を有する居住スペース)
27 シュークローク(収納庫)
48 PCコーナー(上方に吹抜け空間を有する居住スペース)
54 食品庫(収納庫)
10, 30, 40 Existing residential building 11, 38 Skip floor (residence space with atrium space above)
12 First floor (lower floor) floors 13, 13 ', 37, 47 Intermediate floors 14, 31, 41 Stairs 17, 17', 34, 44 Spatial remodeling sections 18, 18 ', 35, 45 Dance section 19a, 19a ', 36a, 46a Lower staircase 19b, 19b', 36b, 46b Upper staircase 20 Spatial reform structure 22 Blow-out part 23 Floor part 24 on the second floor (upper floor) Storage box 25 Study corner )
27 shoe cloak (storage)
48 PC corner (residential space with an open space above)
54 Food storage (storage)

Claims (4)

上階と下階とを有する既設住宅建物に、下階の床部から0.5層分の高さの中間床を有し、上方が1.5層分の高さの吹抜け空間となった居住スペースを形成する住宅建物の空間リフォーム工法であって、
前記既設住宅建物の階段部及び該階段部に隣接する領域を空間リフォーム部として、該空間リフォーム部に、踊場部を挟んだ下階への下部階段と上階への上部階段とを設け、且つ前記踊場部の床部を前記中間床として前記空間リフォーム部に延設させることにより、前記上方が1.5層分の高さの吹抜け空間となった居住スペースを形成する住宅建物の空間リフォーム工法。
An existing residential building with an upper floor and a lower floor has an intermediate floor with a height of 0.5 layers from the floor of the lower floor, and the upper part is an atrium space with a height of 1.5 layers A space remodeling method for a residential building that forms a living space,
The staircase of the existing residential building and the area adjacent to the staircase are used as a space reformer, and the space reformer is provided with a lower stairs to the lower floor and an upper stairs to the upper floor across the landing area, and A space renovation method for a residential building that forms a living space in which the upper part is a 1.5-story high aerial space by extending the floor part of the landing part as the intermediate floor to the space reforming part. .
請求項1に記載の空間リフォーム工法によって設置された住宅建物の空間リフォーム構造であって、
前記空間リフォーム部に設けられた、踊場部を挟んだ下階への下部階段及び上階への上部階段と、前記踊場部の床部を中間床として前記空間リフォーム部に延設させることにより形成された、上方が1.5層分の高さの吹抜け空間となった居住スペースとからなる住宅建物の空間リフォーム構造。
A space reform structure of a residential building installed by the space reform method according to claim 1,
Formed by extending the lower floor staircase to the lower floor and the upper floor to the upper floor across the landing area, and extending to the spatial reforming section using the floor section of the landing area as an intermediate floor. A space renovation structure for a residential building consisting of a living space whose upper part is a 1.5-story high atrium space.
前記空間リフォーム部の一部に、前記中間床が配置されることなく下階の床部から上階の天井部まで連続する吹抜け部が設けられた請求項2に記載の住宅建物の空間リフォーム構造。   The space reforming structure of a residential building according to claim 2, wherein a part of the space reforming part is provided with a blow-off part that continues from the floor part of the lower floor to the ceiling part of the upper floor without the intermediate floor being arranged. . 前記居住スペースの0.5層分の高さの中間床の下方の空間が収納庫となっている請求項2又は3に記載の住宅建物の空間リフォーム構造。   The space reform structure of a residential building according to claim 2 or 3, wherein a space below an intermediate floor having a height corresponding to 0.5 layers of the living space serves as a storage.
JP2006320046A 2006-11-28 2006-11-28 Construction method and structure for reforming space in house building Pending JP2008133651A (en)

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JP2014001626A (en) * 2013-09-05 2014-01-09 Misawa Homes Co Ltd Building

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