JP2010077777A - Unit building and building unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a unit building which enables an increase in durability and the economical performance of construction by reducing weight with providing necessary fire resistance. <P>SOLUTION: In the unit building 1, a second-story building unit 1B is assembled onto a first-story building unit 1A. In the first-floor and second-floor building units 1A and 1B, a ceiling panel 6 made of an ALC board is provided on the ceiling side of each of them, and not provided on the floor side thereof. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a unit building in which an upper floor building unit is assembled on a lower floor building unit, and a building unit constituting the unit building.

Conventionally, in a unit building in which an upper floor building unit is assembled on a lower floor building unit, it is well known that ALC plates are provided on the ceiling side and floor side of the building unit to provide necessary fire resistance. (Refer to patent document 1 etc.).
Japanese Patent Laid-Open No. 06-288022

  However, in the conventional unit building described above, since the ALC plate is provided on both the ceiling side and the floor side of the building unit, the ALC plate is provided up to the floor side of the lowest floor of the unit building, and the unit building is wasted. The weight of the unit was increased and the durability of the unit building was reduced.

  In terms of cost, it was uneconomical because many ALC plates were wasted.

  Therefore, the present invention provides a unit building and a building unit that constitutes the unit building that have the necessary fire resistance, can reduce weight, improve durability, and can be economically implemented. It is an object.

  In order to achieve the above object, the unit building of the present invention is a unit building in which an upper-floor building unit is assembled on a lower-floor building unit, and the lower-floor building unit and the upper-floor building. The unit is characterized in that a ceiling panel made of an ALC plate is provided on the ceiling side, and no ALC plate is provided on the floor side.

  Here, a joist is joined to the floor beam of the building unit on the upper floor, a floor board is stuck on the joist, and the ceiling panel made of an ALC plate is provided on the ceiling beam of the building unit on the lower floor. It is good to be joined to the lower surface of the joist with a gap.

  The walls of the upper floor building unit and the lower floor building unit may also be made of ALC plates.

  Further, a gap between the ceiling panel made of ALC plate and the wall made of ALC plate of the lower floor building unit and the upper floor building unit, and the lower floor building unit and the upper floor building unit It is preferable that a gap between the walls made of an ALC plate is closed with a refractory material.

  Further, it is preferable that an attenuation material is provided in at least a part of the interval between the joist or the lower surface of the floor board and the ceiling panel made of an ALC board.

  The building unit of the present invention is characterized in that a ceiling panel made of an ALC plate is provided on the ceiling side, and no ALC plate is provided on the floor side.

  Such a unit building of the present invention is a unit building in which an upper floor building unit is assembled on a lower floor building unit, and the lower floor building unit and the upper floor building unit have an ALC on the ceiling side. A ceiling panel made of a plate is provided, and an ALC plate is not provided on the floor side.

  Because of this structure, the floor of the lowest floor of the unit building is not provided with an ALC plate, so it has the necessary fire resistance and can be reduced in weight to improve durability. Can be implemented economically.

  Here, joists are joined to the floor beams of the building unit on the upper floor, and a floor board is stuck on the joists, and a ceiling panel made of an ALC plate is attached to the lower beam of the joist on the ceiling beams of the building unit on the lower floor. When they are joined at intervals, the vibration of the floor plate of the upper floor portion is not directly transmitted to the ceiling panel of the lower floor portion, so that noise to the lower floor portion can be reduced.

  Moreover, when the walls of the upper floor building unit and the lower floor building unit are also made of ALC plates, the fire resistance of the unit building can be further enhanced.

  Further, the gap between the ceiling panel made of ALC plate and the wall made of ALC plate of the lower floor building unit and the upper floor building unit, and the wall made of ALC plate of the lower floor building unit and the upper floor building unit In the case where the gap between them is closed with a refractory material, the fire resistance performance of the unit building can be further enhanced.

  In addition, when a damping material is provided in at least a part of the space between the joist or floor panel and the ceiling panel made of ALC plate, the damping material absorbs the vibration of the floor in the upper floor part. Noise to the floor can be further reduced.

  Such a building unit of the present invention has a structure in which a ceiling panel made of an ALC plate is provided on the ceiling side and no ALC plate is provided on the floor side. can do.

  Hereinafter, the best mode for realizing the present invention will be described based on Examples 1 to 3 shown in the drawings.

  First, Example 1 will be described.

  FIG. 1 shows a schematic configuration of a unit building 1 according to the first embodiment.

  This unit building 1 is constructed by assembling a building unit 1B on the second floor on a building unit 1A on the first floor.

  The first floor building unit 1A and the second floor building unit 1B are provided with a ceiling panel 6 made of an ALC (lightweight foamed concrete) plate on the ceiling side and an ALC plate on the floor side. However, this floor side has a floor plate 4 made of particle bird pasted on the upper surface of steel joists 3,... With an adhesive or the like, and is configured to be lighter than the ceiling side.

  The joists 3,... Are not limited to those made of steel, and may be implemented with wooden ones.

  Also, as shown in FIG. 2, between the building unit 1A on the first floor and the building unit 1B on the second floor, a steel joist 3,. .. are joined by screws 9, 9, respectively, and a floor board 4 made of a particle board is stuck on the upper surface of the joists 3,.

  A ceiling panel 6 made of an ALC plate is joined to the grooved steel ceiling beam 5 of the building unit 1A on the first floor with screws 10,.

  Here, the wall (outer wall) 1a of the building unit 1A on the first floor and the wall (outer wall) 1b of the building unit 1B on the second floor are also made of ALC plates.

  In addition, the clearance gap between the upper end part of the wall 1a of the building unit 1A on the first floor and the lower end part of the wall 1b of the building unit 1B on the second floor is closed with the decorative material 11A with screws 12,. .

  Further, the upper part of the building unit 1B on the second floor is similar to the upper part of the building unit 1A on the first floor, as shown in FIG. It is joined by.

  In addition, the clearance gap between the upper end part of the wall 1b of the building unit 1B of the 2nd floor, and the side edge of the ceiling panel 6 is block | closed with the cosmetics 11B with screws 12, ....

  Next, the effect of Example 1 is demonstrated.

  The unit building 1 according to the first embodiment is formed by assembling the second-floor building unit 1B on the first-floor building unit 1A. The first-floor building unit 1A and the second-floor building unit 1B are: A ceiling panel 6 made of an ALC plate is provided on the ceiling side, and no ALC plate is provided on the floor side.

  Because of this structure, the floor of the first floor of the unit building 1 is not provided with an ALC plate, so it has the necessary fire resistance, and the weight is reduced by that much to ensure durability. Can be improved and can be implemented economically.

  Here, the joists 3,... Are joined to the floor beams 2 of the building unit 1B on the second floor, the floor board 4 is pasted on the joists 3,. Since the ceiling panel 6 made of an ALC plate is joined to the ceiling beam 5 with a gap from the lower surface of the joists 3,..., The vibration of the floor plate 4 in the second floor portion is directly transmitted to the ceiling panel 6 in the first floor portion. Since there is no, the noise to the 1st floor part can be reduced.

  Further, since the walls of the building unit 1A on the first floor and the building unit 1B on the second floor are also made of ALC plates, the fire resistance of the unit building 1 can be further enhanced.

  Further, the building units 1A and 1B of the first embodiment have a configuration in which the ceiling panel 6 made of an ALC plate is provided on the ceiling side and no ALC plate is provided on the floor side. It is possible to construct a unit building 1 that exhibits operational effects.

  Next, Example 2 will be described.

  In addition, the same code | symbol is attached | subjected and demonstrated about the description of the part same or equivalent to the content demonstrated in the said Example 1. FIG.

  In the unit building 1 of the second embodiment, between the first-floor building unit 1A and the second-floor building unit 1B, as shown in FIG. 4, the channel steel ceiling beam 5 of the first-floor building unit 1A. Between the ceiling panel 6 made of ALC plates joined to the walls and the walls 1a and 1b made of ALC plates of the building unit 1A on the first floor and the building units 1B on the second floor and between the walls 1a and 1b made of ALC plates. The gaps between them are respectively closed by the refractory material 7 with screws 13.

  Further, as shown in FIG. 5, the upper part of the building unit 1B on the second floor is also a gap between the ceiling panel 6 made of ALC plate joined to the ceiling beam 5 made of channel steel and the wall 1b made of ALC plate. However, it is mainly different from the said Example 1 that it is block | closed with the refractory material 7 with the screws 13, ....

  In addition, as the refractory material 7, rock wool, glass wool, etc. are used suitably.

  Therefore, in this Example 2, since the refractory material 7 is provided, the fire resistance of the unit building 1 can be further enhanced as compared with Example 1.

  Other configurations and functions and effects are substantially the same as those of the first embodiment, and thus description thereof is omitted.

  Next, Example 3 will be described.

  In addition, the same code | symbol is attached | subjected and demonstrated about the description of the part same or equivalent to the content demonstrated in the said Example 1. FIG.

  In the unit building of the third embodiment, as shown in FIG. 6, the distance between the bottom surface of the joist 3 and the ceiling panel 6 made of an ALC plate between the building unit 1A on the first floor and the building unit 1B on the second floor. The first embodiment is mainly different from the first embodiment in that the damping material 8 is provided in a part of the first embodiment.

  Here, as the damping material 8, various materials that exhibit a damping effect such as damping rubber, rock wool, sponge material and the like are preferably used.

  The damping material 8 does not have to be provided in the entire space between the bottom surface of the joists 3,... And the ceiling panel 6 made of an ALC plate. What is necessary is just to provide.

  Therefore, in the third embodiment, since the damping material 8 is provided between the joist 3 and the ceiling panel 6 made of an ALC plate, the floor vibration of the second floor portion is compared to the first embodiment. Therefore, the noise to the first floor can be further reduced.

  Other configurations and functions and effects are substantially the same as those of the first embodiment, and thus description thereof is omitted.

  The best embodiment of the present invention has been described in detail with reference to the first to third embodiments with reference to the drawings, but the specific configuration is not limited to the first to third embodiments described above. Design changes that do not depart from the gist of the invention are included in the present invention.

  In the unit buildings of Examples 1 to 3, the unit building 1 has a simple two-story structure for the sake of simplicity, but the present invention is not limited to this.

  That is, even if a unit building of three or more floors is constructed and implemented, the same effect can be obtained.

It is a longitudinal cross-sectional view which shows schematic structure of the unit building of Example 1. FIG. It is the A section enlarged view of FIG. It is the B section enlarged view of FIG. It is the A section enlarged view in the unit building of Example 2. FIG. It is the B section enlarged view in the unit building of Example 2. FIG. It is the A section enlarged view in the unit building of Example 3. FIG.

Explanation of symbols

1 unit building 1A 1st floor building unit (lower floor building unit)
1B 2nd floor building unit (upper floor building unit)
1a 1st floor building unit wall (downstairs building unit wall)
1b 2nd floor building unit wall (upper floor building unit wall)
2 Floor beams for building units on the second floor (floor beams for building units on the upper floor)
3 joist 4 floor board 5 ceiling beam of building unit on the first floor (ceiling beam of building unit on the lower floor)
6 Ceiling panel 7 Refractory material 8 Damping material

Claims (6)

A unit building in which an upper floor building unit is assembled on a lower floor building unit,
The building unit on the lower floor and the building unit on the upper floor are provided with a ceiling panel made of an ALC plate on the ceiling side and no ALC plate on the floor side.   A joist is joined to the floor beam of the building unit on the upper floor, a floor board is stuck on the joist, and the ceiling panel made of an ALC plate is formed on the ceiling beam of the building unit on the lower floor. The unit building according to claim 1, wherein the unit building is joined to the lower surface at an interval.   The unit building according to claim 1 or 2, wherein walls of the lower floor building unit and the upper floor building unit are also made of ALC plates.   A gap between the ceiling panel made of an ALC plate and the wall made of the ALC plate of the lower-floor building unit and the upper-floor building unit, and the ALC plate of the lower-floor building unit and the upper-floor building unit The unit building according to claim 3, wherein a gap between the walls is closed with a refractory material.   5. The damping member according to claim 1, wherein an attenuation material is provided at least in a part of a space between the joist or the lower surface of the floor board and the ceiling panel made of an ALC board. Unit building.   A building unit characterized in that a ceiling panel made of an ALC plate is provided on the ceiling side, and no ALC plate is provided on the floor side.

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