Fireproof buildings and construction methods for fireproof buildings

Abstract

To provide a fireproof building allowing workability to be improved for a parting wall which satisfies fire resistance performance and sound insulation performance.SOLUTION: A fireproof building 1 is provided with a fitting-in structure for a parting wall 10 having fire resistance performance and sound insulation performance. The parting wall 10 comprises: a panel 11 having fire resistance performance; and a first board 12A and a second board 12B with sound insulation performance placed at a position to clamp the panel 11 in a thickness direction of the parting wall 10. The fireproof building 1 is provided with a first ceiling 30A and a second ceiling 30B with sound insulation performance, and a first floor 20A and a second floor 20B, which are placed at positions to clamp the panel 11. The panel 11 extends so as to reach an attic from an underfloor of the fireproof building 1. The first board 12A (the second board 12B) is placed between the first ceiling 30A (the second ceiling 30B) and the first floor 20A (the second floor 30B) in a vertical direction.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to a fireproof building and a construction method for a fireproof building, and more particularly to a fireproof building provided with a parting wall having fire resistance and sound insulation properties, and a construction method for a fireproof building. [Background technology]

[0002] BACKGROUND ART Conventionally, buildings have been constructed in which dwelling units are adjacent to one another, such as apartment buildings and row houses, and these buildings have partition walls separating adjacent dwelling units. For example, the specifications issued by the Ministry of Construction and the Minister's certification based on the Building Standards Act require that parting walls have certain fire resistance and sound insulation performance, and the Enforcement Order of the Building Standards Act also requires that they be of semi-fireproof construction and reach the attic or ceiling. To satisfy the above fire resistance and sound insulation requirements, a typical parting wall is constructed by attaching gypsum boards to both sides of a parting wall frame with studs to form a hollow gypsum board wall, and filling the interior of the gypsum board wall with glass wool or rock wool. The parting wall then extends to the attic or ceiling (see, for example, Patent Documents 1 and 2). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2014-196659 [Patent Document 2] Japanese Patent Application Laid-Open No. 2013-194475 Summary of the Invention [Problem to be solved by the invention]

[0004] In buildings with hollow parting walls as described above, in order to satisfy fire resistance and sound insulation performance, it is necessary to perform wet gap treatment using fire-resistant putty, for example, and to lay two layers of gypsum boards, making the fitting structure of the parting walls relatively complicated. In addition, there were many items to be checked for compliance at the construction site as specified in the Ministry of Construction Notification Specifications and Ministerial Certification Specifications regarding fire resistance and sound insulation performance, which made the construction procedures difficult to understand. Therefore, there has been a demand for improving the workability of the fitting structure of parting walls, which require fire resistance and sound insulation.

[0005] Specifically, following the amendment to the Building Standards Act that came into effect in June 2019 (which requires that parting walls (the entire parting wall) reach the attic or ceiling space by ensuring the soundproofing performance of the ceiling), there was a demand to make the construction procedures for parting wall fitting structures easier to understand and to make it easier to check compliance at the construction site. More specifically, there was a need to clearly separate the line for ensuring fire resistance in the combination of parting walls and ceilings from the line for ensuring sound insulation, and to simplify the construction procedures (construction procedures for erection work, parting wall construction, and carpentry work) and the confirmation of compliance at the construction site (confirmation of the scope of responsible construction).

[0006] The present invention has been made in consideration of the above-mentioned problems, and an object of the present invention is to provide a fire-resistant building that can improve the ease of construction in a parting wall fitting structure that satisfies fire resistance and sound insulation performance. Another object of the present invention is to provide a fire-resistant building that makes it easy to understand the construction procedures for the parting wall fitting structure and makes it easy to check compatibility at the construction site. [Means for solving the problem]

[0007] The above problem is solved by a fireproof building of the present invention, which is a fireproof building provided with fire-resistant and sound-insulating parting walls, the parting walls having fire-resistant panels and first and second members having sound insulation and arranged at positions sandwiching the panels in the thickness direction of the parting walls, the fireproof building comprising: a first ceiling and a second ceiling arranged at positions sandwiching the panels and having sound insulation; and a first floor and a second floor arranged at positions sandwiching the panels and arranged at positions facing the first ceiling and the second ceiling, respectively, the panels extending from under the floor of the fireproof building to reach the space above the attic, the first members arranged between the first ceiling and the first floor in the vertical direction, and the second members arranged between the second ceiling and the second floor in the vertical direction. The fireproof building has a wall having an outer wall and an inner wall, and the panel and the inner wall are butted against each other. This is solved by:

[0008] With the above configuration, it is possible to realize a fire-resistant building that can improve workability in a parting wall fitting structure that satisfies fire resistance and sound insulation performance. Specifically, the parting wall has fire-resistant panels and first and second sound-insulating members sandwiching the panels, and the panels extend from under the floor to above the ceiling. The fire-resistant building is positioned between the panels and has first and second sound-insulating ceilings. Therefore, first, the fire resistance of the parting walls can be ensured by the "fire-resistant panels" that extend from under the floor to the attic. Then, the sound insulation performance of the parting walls (dividing walls) between dwelling units can be ensured by combining the "fire-resistant panels" with the "first and second sound-insulating members." Finally, sound insulation performance in the attic can be ensured by using a "sound-insulating ceiling." By doing so, construction management can be carried out by clearly separating the "line that ensures fire resistance" from the "line that ensures sound insulation" when combining parting walls and ceilings.

[0009] Furthermore, with the above-mentioned configuration, it is no longer necessary to extend the entire parting wall structure up to the attic as in the past; it is sufficient to extend the "fire-resistant panel" up to the attic. Furthermore, the "first member" and "second member" are placed between the ceiling and the alcove in the vertical direction, respectively, resulting in a fitting structure in which the first member and second member are dominant over the ceiling and floor. This simplifies the fitting structure of the parting wall. This means that the construction procedure is easier to understand, and compatibility can be easily confirmed at the construction site. In more detail, by extending only the "fire-resistant panels" from the foundation to the attic as a fire-resistant structure, the erection workers can install the "fire-resistant panels," and the work performed during erection can ensure the fireproofing of the parting walls. Then, the carpenters can install the "first and second members" at the same time as installing the partition walls, for example. This allows the erection workers and carpenters to complete the work within their scope of responsibility, without having to ask a parting wall contractor (light steel contractor) to install the parting walls as in the past. The above configuration makes it possible to easily understand the construction procedures for fitting exterior walls and parting walls, and to easily check compatibility at the construction site.

[0010] In this case, the panel is an aerated concrete panel (ALC panel), the first member and the second member are a first gypsum board and a second gypsum board, respectively, the parting wall further has a fiber-based insulating material between the ALC panel and the first gypsum board in the thickness direction of the parting wall, and the panel preferably extends from the foundation of the fire-resistant building to the attic. By using ALC panels as described above, it is possible to construct fire-resistant parting walls using a dry construction method without using putty. It also improves the fire resistance and sound insulation performance of the parting walls. Furthermore, by incorporating the fiber-based insulation material as described above, the sound insulation performance of the partition walls between dwelling units can be further improved. Furthermore, by using fire-resistant rock wool, for example, construction can be carried out using a dry construction method. Furthermore, as described above, the panels extend from the foundation of the fireproof building, so that adjacent units are not connected under the floor, for example, which is a desirable structure from the viewpoint of crime prevention. Furthermore, as described above, the panels extend from the foundation of the fireproof building to the attic, which further prevents noise from neighboring units from entering through the underfloor or attic.

[0011] In this case, the fireproof building is a building in which dwelling units exist in succession, and the panel of the parting wall extends continuously upward from the part attached to the foundation and is attached to the roof, the first member is attached between the first ceiling and the first floor, and the second member is attached between the second ceiling and the second floor. The above configuration makes it easier to understand the construction procedures for fitting parting walls in buildings where dwelling units are adjacent to each other, and makes it easier to check compatibility at the construction site. Specifically, the construction process can be simplified by clearly separating the lines that ensure fire resistance and the lines that ensure sound insulation in the combination of parting walls, ceilings, and floors. While the above-mentioned fitting structure ensures sound insulation for the ceilings of each floor, other structures may be used such that sound insulation is ensured only for the ceiling of the top floor, and sound insulation is ensured for floors below the top floor by walls along the ALC panels.

[0012] At this time ,before The first member and the second member may be abutted against the inner wall. The above configuration makes it possible to easily understand the construction procedures for fitting exterior walls and parting walls, and to easily check compatibility at the construction site. To be more specific, in conventional exterior and parting wall fitting structures, in order to complete the construction of the parting wall, the parting wall builder (light steel contractor) would first construct the small edge of the interior wall, and then construct the parting wall so that it abuts against that small edge. However, because the construction of the interior wall is usually within the scope of the carpenter's responsibility, the scope of work responsibilities of the parting wall builder and the carpenter overlap, making things complicated. Therefore, with the above configuration, the erector can install the "panel" along with the foundation, and the carpenter can install the "first member" and "second member" along with the construction of the exterior and interior walls. This allows the parting wall builder to complete the construction within the scope of work responsibilities of the erector and carpenter, without having to take the trouble of constructing the parting wall.

[0013] The above-mentioned problem is also solved by a construction method for a fireproof building equipped with a parting wall having fire resistance and sound insulation properties, the method comprising: a first step of constructing a fire-resistant panel in the parting wall; a first ceiling and a second ceiling that are provided in positions sandwiching the panel and have sound insulation properties; a first floor and a second floor that are provided in positions sandwiching the panel and are disposed in positions facing the first ceiling and the second ceiling, respectively; a wall having an outer wall and an inner wall; and a third step of installing first and second sound-insulating members in the parting wall at positions sandwiching the panel in the thickness direction of the parting wall, wherein in the first step, the panel is installed so as to extend from the foundation of the fire-resistant building to the attic, In the second step, the wall is constructed so that the panel and the inner wall are abutted against each other, In the third step, the first member is constructed so as to be positioned between the first ceiling and the first floor in the vertical direction, and the second member is constructed so as to be positioned between the second ceiling and the second floor in the vertical direction, and this can also be solved by a construction method for a fire-resistant building in which a partition wall is constructed together with the first member and the second member. [Effects of the Invention]

[0014] According to the fire-resistant building and the construction method for a fire-resistant building of the present invention, it is possible to improve the workability of a parting wall fitting structure that satisfies fire resistance and sound insulation performance. In addition, it will make the construction procedures for the parting wall fitting structure easier to understand, and make it easier to confirm compatibility at the construction site (confirm the scope of responsible construction). [Brief explanation of the drawings]

[0015] [Figure 1] FIG. 1 is a perspective view of the exterior of a fire-resistant building having a parting wall fitting structure. [Figure 2] FIG. 10 is a side cross-sectional view showing the fitting structure of the partition wall, illustrating the foundation structure including the partition wall. [Figure 3] FIG. 1 is a side cross-sectional view showing the fitting structure of the partition wall, illustrating the intermediate floor structure including the partition wall. [Figure 4] FIG. 1 is a side cross-sectional view showing the fitting structure of the parting wall, and is a diagram illustrating the roof assembly structure (attic structure) including the parting wall. [Figure 5] FIG. 1 is a cross-sectional plan view showing the fitting structure of a partition wall and an exterior wall, illustrating the exterior wall structure including the partition wall. DETAILED DESCRIPTION OF THE INVENTION

[0016] Hereinafter, an embodiment of the present invention will be described with reference to FIGS. This embodiment relates to an invention of a "fireproof building" that is mainly characterized in that the parting wall has a fire-resistant and sound-insulating parting wall and a sound-insulating ceiling, the parting wall has a fire-resistant cement-based panel (ALC panel) and first and second sound-insulating boards that are arranged on either side of the cement-based panel, the cement-based panel extends from the foundation of the fireproof building to the attic, and the first and second board members are fitted between the ceiling and the floor in the vertical direction. It also relates to an invention for a "fireproof building construction method."

[0017] As shown in FIG. 1, the building 1 of this embodiment is a row-type fireproof building in which dwelling units are adjacent to each other, such as an apartment building, tenement house, dormitory, etc., and is equipped with a parting wall 10 that is fire-resistant and sound-insulating. "Fire-resistant buildings" includes not only fire-resistant buildings (buildings with fire-resistant structures based on the Building Standards Act) themselves, but also semi-fire-resistant buildings (buildings with semi-fire-resistant structures) and fire-prevention buildings (buildings with fire-prevention structures). "Fire-resistant" means, for example, that the building satisfies the technical standards for fire resistance required by the Ministry of Construction's notification specifications or Minister-certified specifications. Specifically, this means that the parting walls are fire-resistant and reach the attic or ceiling. "Having sound insulation properties" means, for example, that the technical standards for sound insulation performance required by the Ministry of Construction's notification specifications or Ministerial certification specifications are met. Specifically, the sound insulation structure of the parting wall must have a transmission loss for sound frequencies that is equal to or greater than a predetermined standard value. In addition, following the revision of the Building Standards Act that came into effect in June 2019, it is no longer necessary to apply the standard that requires parting walls (the entire parting wall) to reach the attic or ceiling, for example, by ensuring the soundproofing performance of the ceiling.

[0018] As shown in Figures 1 and 2, the parting wall fitting structure of building 1 comprises a reinforced concrete foundation 2 that forms the base of building 1, floor beams 3, steel columns 4 that are fixed to the top surface of foundation 2 and support the superstructure of building 1, and parting walls 10 that are attached to the top surface of foundation 2 via parting wall mounting brackets or the like. As shown in Figures 1 and 2, the building 1 is provided with a first floor 20A and a second floor 20B that are supported from below by a foundation 2 and floor beams 3 and are positioned with a partition wall 10 in between, and a first ceiling 30A and a second ceiling 30B that are supported by columns 4, beams 5, the partition wall 10, etc. and are positioned with the partition wall 10 in between, as shown in Figure 3. 1 and 4, the building 1 has a roof 40 (sloped roof) supported by columns 4, beams 5, and parting walls 10. The roof 40 may be a flat roof. As shown in FIGS. 1 and 5, the building 1 also includes walls 50 (exterior walls) fixed to the top surface of the foundation 2 and supported by the foundation 2, columns 4, beams 5, and boundary walls 10, etc.

[0019] As shown in FIGS. 2 to 5, the parting wall 10 includes a fire-resistant cementitious panel 11, a first board 12A and a second board 12B that are sound-insulating and are disposed in positions sandwiching the cementitious panel 11 in the thickness direction of the parting wall 10, a first insulating material 13A that is disposed between the cementitious panel 11 and the first board 12A, and a second insulating material 13B that is disposed between the cementitious panel 11 and the second board 12B.

[0020] The cement panel 11 is a thick panel made of cement-based materials such as precast concrete (PC) or aerated concrete (ALC), and specifically, is an ALC panel for partition walls with a thickness of 75 mm or more and 150 mm or less. By using ALC panels, it is possible to ensure the fire resistance of the parting wall 10 and further improve the sound insulation and heat insulation performance. In addition, because ALC panels are relatively light, it is also possible to improve the workability of the parting wall 10. In addition to the above cement-based panels, CLT panels made of wood materials may also be used.

[0021] The first board 12A and the second board 12B are each made of gypsum board, and specifically, each is made of multiple layers (two layers), which ensures sound insulation performance. It should be noted that plywood may be used instead of gypsum board, or other boards that can ensure sound insulation performance may be used. Alternatively, instead of the board, a cement-based material such as mortar may be applied to both sides of the cement-based panel 11 to ensure the sound insulation performance of the parting wall 10.

[0022] The first insulating material 13A and the second insulating material 13B are each a fiber-based insulating material, and specifically, spray-type glass wool or rock wool. Instead of the spray type, a wrapping type of glass wool (rock wool) may be used.

[0023] As in the above-mentioned parting wall 10, sound insulation performance, particularly in the high frequency range, can be further improved by combining a sound-insulating cement panel 11 (ALC panel) and a sound-insulating board 12 (gypsum board). Therefore, for example, it is not necessary to perform airtight treatment (sealing treatment, etc.) on the outer periphery (four-sided portion) of the board 12. Furthermore, by providing a cement-based panel 11 with sound insulation properties, as in the above-mentioned parting wall 10, solid-state propagation between the boards 12 positioned on either side of the cement-based panel 11 can be suppressed, thereby further improving sound insulation performance.

[0024] As shown in FIG. 2, the first floor 20A and the second floor 20B are fire-resistant floors, and specifically, are structural plywood laminated with composite flooring. Instead of structural plywood, gypsum board may be used, or other boards that can ensure sound insulation performance may be used. Fiber-based heat insulating material 21 is attached to the underside of each of the first floor 20A and the second floor 20B. The fiber-based heat insulating material 21 may be, for example, glass wool or rock wool. The floor does not necessarily have to be fire-resistant, and the fiber-based heat insulating material 21 does not have to be attached to the underside of the floor.

[0025] As shown in FIG. 3, the first ceiling 30A and the second ceiling 30B are each fire-resistant ceilings, specifically made of gypsum board, and are each made up of multiple layers (two layers) to ensure soundproofing performance. Note that plywood may be used instead of gypsum board, or other boards that can ensure sound insulation performance may be used. Also, ceilings 30A and 30B are not limited to multiple boards, and may be a single layer of board. A sound-insulating fiber-based heat insulating material 31 is attached to the ceiling space above each of the first ceiling 30A and the second ceiling 30B in order to improve sound insulation performance. The fiber-based heat insulating material 31 may be, for example, glass wool or rock wool. The first floor 20A and the first ceiling 30A are arranged in positions facing each other, and the second floor 20B and the second ceiling 30B are arranged in positions facing each other.

[0026] In the above-described configuration, in the attic 6 shown in FIG. 3, the cement panel 11 of the parting wall 10 extends continuously in the vertical direction, penetrating the ceiling 30 of the lower floor and the floor 20 and floor panel 22 of the upper floor. Furthermore, the cement-based panel 11 is adjacent to the beam 5, which corresponds to the ceiling beam, and is supported by the beam 5 while being in contact with the beam 5. Strictly speaking, the cement-based panel 11 is connected to the beam 5 via an L-shaped parting wall support bracket.

[0027] As shown in Figure 5, the wall 50 mainly comprises a wall main body 51 extending longitudinally in the vertical direction, exterior wall panels 52 (exterior walls) attached to the outside of the wall main body 51 in the entrance / exit direction and arranged in line in the width direction, and interior wall boards 53 (interior walls) attached to the inside of the wall main body 51 in the entrance / exit direction. Of the wall 50, an inner wall board 53 and the partition wall 10 are butted against each other. More specifically, the edge portion of the interior wall board 53 abuts against the cement panel 11, the first board 12A, and the second board 12B.

[0028] <Parting wall fitting structure (fire resistance and sound insulation performance)> As shown in FIGS. 2 to 4, the cement panel 11 of the parting wall 10 extends in the height direction of the building 1 from the foundation 2 through the attic 6 and up to the attic 7. Specifically, only the cementitious panel 11 extends upward from the portion attached to the foundation 2 to the attic 7 and is attached to the roof 40 . On the other hand, the first board 12A and the second board 12B extend upward from the floor 20 rather than from the foundation 2, and are arranged at a position that does not reach the attic 7. Specifically, the first board 12A is disposed between the first floor 20A and the first ceiling 30A and attached to the first floor 20A and the first ceiling 30A. Similarly, the first insulating material 13A is disposed between the first floor 20A and the first ceiling 30A. Further, the second board 12B is disposed between the second floor 20B and the second ceiling 30B and attached to the second floor 20B and the second ceiling 30B. Similarly, the second insulating material 13B is disposed between the second floor 20B and the second ceiling 30B. In other words, the parting wall 10 has a fitting structure in which the first board 12A, the first heat insulating material 13A, the second board 12B, and the second heat insulating material 13B are fitted in a floor-to-ceiling manner.

[0029] The above-described fitting structure of the parting wall 10 ensures the "fire resistance" of the parting wall 10 by the cement-based panel 11 extending from the foundation 2 to the attic 7. Furthermore, the combination of the cement-based panel 11 and the boards 12A, 12B ensures the "sound insulation" of the parting wall 10 between the dwelling units. As a result, it is not necessary to extend the entire parting wall structure to the attic (shed) as in the past, and it is sufficient to extend the cement panel 11 to the attic, so the fitting structure of the parting wall 10 can be simplified.

[0030] 4, the "sound insulation performance" in the attic 7 can be ensured by a sound-insulating ceiling 30. By doing so, the construction management can be carried out by clearly separating the "line for ensuring fire resistance" and the "line for ensuring sound insulation" in the combination of the parting wall 10 and the ceiling 30. Specifically, the fire-resistant cementitious panels 11 of the parting wall 10 extend to the attic 7. The fit of the cementitious panels 11 completes the line that ensures the fire resistance of the parting wall 10. In the partition walls between dwelling units, the fit of the sound-insulating boards 12 (gypsum boards) completes the line that ensures sound insulation. In the attic 7, the fit of the sound-insulating ceiling 30 completes the line that ensures sound insulation. In addition, even in the foundation 2, a line that ensures sound insulation is created by fitting the sound-insulating floor 20.

[0031] <Fireproof building construction method> Next, a construction method for the fire-resistant building 1 will be described. This construction method includes at least a "first step" of constructing the cement-based panel 11 of the parting wall 10, a "second step" of constructing the floor 20 and the ceiling 30 that are to be provided at positions sandwiching the cement-based panel 11, and a "third step" of constructing the first board 12A and the second board 12B of the parting wall 10. This will be explained in detail below. Regarding the construction of the fireproof building 1, details of the construction other than those mentioned above will not be explained here.

[0032] In the "first process", first, a worker (for example, a construction worker) installs the foundation 2 and constructs the base (process 1-1). Thereafter, workers construct structural elements such as the pillars 4, beams 5, and roof, and also construct the cement-based panels 11 of the parting walls 10 (step 1-2). At this time, as shown in FIGS. 2 to 4, the cement panel 11 is installed so as to extend from the foundation 2 to the attic 7. The workers also construct the framework, such as the floor 20, the ceiling 30, and the wall 50 (wall main body 51).

[0033] In the "second process", a worker (for example, a carpenter) constructs the floor 20, the ceiling 30, and the walls 50 (exterior wall panels 52, interior wall boards 53). At this time, as shown in Figures 2 to 4, the first floor 20A and the second floor 20B are constructed in positions sandwiching the cement panel 11. In addition, the first ceiling 30A and the second ceiling 30B are constructed in positions sandwiching the cement panel 11 therebetween. As shown in FIG. 5, the cement panel 11 and the wall 50 (inner wall board 53) are constructed so as to butt against each other.

[0034] In the "third step," a worker (for example, a carpenter) installs the first board 12A and the second board 12B, and also installs the partition wall. 2 and 3, the first board 12A is placed between the first ceiling 30A and the first floor 20A in the vertical direction. Then, the cement-based panel 11 is installed to the first ceiling 30A and the first floor 20A. The second board 12B is disposed between the second ceiling 30B and the second floor 20B in the vertical direction. Then, the cement-based panel 11 is installed to the second ceiling 30B and the second floor 20B. The partition wall may be constructed after the first board 12A (second board 12B) is constructed, or may be constructed before the first board 12A (second board 12B) is constructed.

[0035] The construction method for the fire-resistant building 1 described above makes it possible to easily understand the construction procedure for the fitting structure of the parting wall 10 and to easily check the compatibility at the construction site. More specifically, it is not necessary to extend the entire parting wall 10 structure to the attic 7 as in the past; it is sufficient to extend only the cement panel 11 to the attic 7. Also, the boards 12A, 12B are arranged vertically between the ceiling and the alcove, resulting in a fitting structure in which the boards 12A, 12B are fitted to the ceiling and floor. This simplifies the fitting structure of the parting wall 10, making the construction procedure easier to understand and facilitating compatibility checks at the construction site. More specifically, the erector can install the cement panel 11, and the carpenter can install the boards 12A and 12B of the parting wall 10 together with the partition wall, for example. In this way, the erector and carpenter can complete the construction within their own scope of responsibility, without having to ask a parting wall builder to install the parting wall as in the past. The same applies to the fitting structure of the exterior walls and parting walls. The erector can install the cement panel 11 along with the foundation 2 and structural body, and the carpenter can install the boards 12A and 12B of the parting wall 10 along with the interior wall board 53. In this way, the erector and carpenter can complete the construction within the scope of their respective responsibilities.

[0036] <Other embodiments> In the above embodiment, as shown in Figs. 2 to 4, the cement panel 11 of the parting wall 10 extends from the foundation 2 to the attic 7, but this is not particularly limited. For example, the cement-based panel 11 may extend at least from under the floor (under the floor of the first floor) to above the ceiling (above the ceiling of the top floor).

[0037] In the above embodiment, as shown in Figs. 2 to 4, the cement panel 11 of the parting wall 10 extends continuously from the foundation 2 to the attic 7, but this is not particularly limited. For example, the cement panel 11 may be made up of a plurality of panels arranged at intervals in the vertical direction, and beams may be arranged between each panel, covered with a heat insulating material. This allows the building frame (beams) to be configured as part of the parting wall 10, improving the support performance of the parting wall 10 against the frame. In other words, the parting wall 10 can be more appropriately adapted to the support structure required by the Building Standards Act.

[0038] In the above embodiment, the fire-resistant building and the construction method for the fire-resistant building according to the present invention have been mainly described. However, the above embodiment is merely an example for facilitating understanding of the present invention, and does not limit the present invention. The present invention can be modified and improved without departing from the spirit thereof, and the present invention naturally includes equivalents thereof. [Explanation of symbols]

[0039] 1 Buildings (fireproof buildings) 2 Basics 3 floor bundle 4 pillars 5 Beam 6 Attic 7 Attic (attic) 10 Parting Wall 11 Cement-based panels (panels, fire-resistant panels, ALC panels) 12 Board (gypsum board) 12A First board (first component, first gypsum board) 12B Second board (second member, second gypsum board) 13 Fiber-based insulation materials 13A First insulation material 13B Second insulation material 20 beds 20A 1st floor 20B 2nd floor 21 Fiber-based insulation materials 22 Floor Panel 30 Ceiling 30A First Ceiling 30B 2nd ceiling 31 Fiber insulation materials 40 Roof 50 Wall 51 Wall body 52 Exterior wall panel (exterior wall) 53 Interior wall board (interior wall)

Claims

1. A fire-resistant building equipped with fire-resistant and sound-insulating parting walls, The partition wall is a fire-resistant panel; a first member and a second member having sound insulation properties, the first member and the second member being provided at positions sandwiching the panel in a thickness direction of the partition wall; The fireproof building is a first ceiling and a second ceiling of the partition wall, the first ceiling and the second ceiling being provided at positions sandwiching the panel therebetween and having sound insulation properties; a first floor and a second floor provided in the partition wall at positions sandwiching the panel and disposed at positions facing the first ceiling and the second ceiling, respectively; The panel extends from under the floor to above the ceiling of the fire-resistant building, the first member is disposed between the first ceiling and the first floor in the vertical direction, the second member is disposed between the second ceiling and the second floor in the vertical direction, The fire-resistant building comprises a wall having an exterior wall and an interior wall; A fire-resistant building characterized in that the panel and the interior wall are abutted against each other.

2. The panel is an aerated concrete panel (ALC panel), The first member and the second member are a first gypsum board and a second gypsum board, respectively, the partition wall further includes a fiber-based insulating material between the ALC panel and the first gypsum board in a thickness direction of the partition wall, 2. The fire-resistant building of claim 1, wherein the panels extend from the foundation of the fire-resistant building to the attic.

3. The fireproof building is a building in which dwelling units exist consecutively, the panel extends continuously upward from the portion attached to the foundation and is attached to the roof; the first member is attached between the first ceiling and the first floor, 3. The fire-resistant building according to claim 2, wherein the second member is attached between the second ceiling and the second floor.

4. A fire-resistant building as described in any one of claims 1 to 3, characterized in that the first member and the second member are abutted against the inner wall.

5. A construction method for a fire-resistant building equipped with a parting wall having fire resistance and sound insulation properties, a first step of installing a fire-resistant panel in the parting wall; a second step of constructing a first ceiling and a second ceiling having sound insulation properties and disposed in positions sandwiching the panel therebetween, a first floor and a second floor disposed in positions sandwiching the panel therebetween and disposed in positions facing the first ceiling and the second ceiling, respectively, and a wall having an outer wall and an inner wall; a third step of constructing a first member and a second member, each having sound insulation properties, in the parting wall at a position sandwiching the panel in a thickness direction of the parting wall; In the first step, the panel is installed so as to extend from the foundation of the fireproof building to the attic, In the second step, the wall is constructed so that the panel and the inner wall are abutted against each other, In the third step, The first member is constructed so as to be disposed between the first ceiling and the first floor in the vertical direction, and the second member is constructed so as to be disposed between the second ceiling and the second floor in the vertical direction, A method for constructing a fire-resistant building, comprising constructing a partition wall together with the first member and the second member.

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