JP2019137975A - Incombustible sound absorbing wall and construction method thereof - Google Patents

Abstract

To provide an incombustible sound absorbing wall durable against impact of flying balls, and a construction method thereof.SOLUTION: An incombustible wall 10 has sound absorbability, and comprises a wall substrate material 12 and an incombustible wall 14 attached to a front surface side of the wall substrate material 12 and formed by superposingly sticking two sound-absorbing perforated boards 18, 20 in the wall thickness direction.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a non-combustible sound absorbing wall suitable for an inner wall of a building such as a gymnasium and a construction method thereof.

  Conventionally, in indoor walls such as gymnasiums, many holes are provided on the surface of a plate made of lightweight steel base, gypsum board, wooden trunk edges, etc., for the purpose of suppressing reverberation due to sound generated indoors. A perforated plate with sound absorption is often used.

  On the other hand, buildings such as gymnasiums are required to use non-combustible materials as interior finishing materials. As a wall material for a gymnasium, an incombustible wall material (sound absorbing material) obtained by drilling a non-combustible volcanic glassy multilayer board (for example, Dylite (registered trademark)) is often used.

  FIG. 7 is an example of a side sectional view of a conventional incombustible sound absorbing wall using this incombustible wall material. As shown in this figure, this incombustible sound absorbing wall includes a gypsum board 2 attached to the front side of the lightweight steel frame 1 and a perforated kneaded panel 4 attached to the front side of the gypsum board 2 with a wooden rim 3 interposed therebetween (non-combustible). Wall material) and glass wool 5 provided in the gap between the gypsum board 2 and the perforated panel 4. As the perforated panel 4, for example, a panel in which a protruding plate is kneaded and drilled on the surface of a volcanic glassy multilayer board (for example, Dylite (registered trademark)) is used.

  As a conventional wall material, for example, a wall material as disclosed in Patent Document 1 is known. This wall material is provided with a base layer, a waterproof layer, and a finishing layer on the front side of a plate-like substrate.

JP 2010-209585 A

  However, the above-described conventional noncombustible sound absorbing wall sometimes hits a ball and breaks the sound absorbing material when playing a ball game indoors. For this reason, there has been a demand for a non-combustible sound absorbing wall that can secure a sound absorbing effect and can withstand an impact caused by a flying ball.

  This invention is made | formed in view of the above, Comprising: It aims at providing the incombustible sound-absorbing wall which can endure the impact by a flying ball etc., and its construction method.

  In order to solve the above-described problems and achieve the object, the non-combustible sound absorbing wall according to the present invention is a non-combustible wall having sound absorbing properties, and is attached to the wall base material and the front side of the wall base material. And a non-combustible wall material formed by stacking two perforated plates having sound absorption properties on each other in the wall thickness direction.

  In addition, in the above-described invention, the other non-combustible sound absorbing wall according to the present invention includes two perforated plates, a first-layer perforated panel made of a dense plate material attached to the front side of the wall base material, It consists of the 2nd layer perforated panel affixed on the front side of the 1st layer perforated panel, and the 1st layer perforated panel carries out the surface support of the 2nd layer perforated panel.

  In addition, in the above-described invention, the other non-combustible sound absorbing wall according to the present invention is such that the first layer of perforated panel is composed of a perforated plywood or a single plate, and the second layer of perforated panel is a perforated volcano. It consists of a glassy multilayer board.

  Another noncombustible sound absorbing wall according to the present invention is the above-described invention, in which the wall material is attached to the front side of the wall base material provided at an interval in the wall width direction and is adjacent to the wall width direction. A sound absorbing material is provided between the base materials.

  Moreover, the construction method of the incombustible sound-absorbing wall according to the present invention is a method for constructing the above-mentioned incombustible sound-absorbing wall, and the side close to the wall base material is one of the two perforated plates constituting the wall material. A layered perforated panel, a step of fixing the first layered perforated panel to the front side of the wall base material by fixing the first layer perforated panel when the side far from the wall base material is a second layer perforated panel; A step of adhering the second layer of perforated panel to the front side of the first layer of perforated panel fixed to the base material.

  According to the non-combustible sound absorbing wall according to the present invention, a non-combustible wall having sound absorbing properties, a wall base material, and two perforated plates attached to the front side of the wall base material and having sound absorbing properties. Since the non-combustible wall material that is laminated and laminated in the wall thickness direction is provided, the wall material is difficult to break even if it hits a sphere. For this reason, while suppressing the reverberation by the sound generated indoors, there exists an effect that the incombustible sound-absorbing wall which cannot be broken easily is realizable.

  Further, according to another incombustible sound absorbing wall according to the present invention, the two perforated plates are a first layer perforated panel made of a solid plate material attached to the front side of the wall base material, and the first layer. It is composed of a second layer of perforated panel that is attached to the front side of the perforated panel. The first layer of perforated panel supports the second layer of perforated panel, so the second layer of perforated panel Has an effect that resistance to impact force from the outside of the wall surface is improved and it is difficult to break even when a ball hits it.

  Further, according to another incombustible sound absorbing wall according to the present invention, the first layer of perforated panel is composed of a perforated plywood or a single plate, and the second layer of perforated panel is composed of a perforated volcanic glassy composite. Since it consists of a layer board, there exists an effect that reduction of construction cost can be aimed at.

  Further, according to another incombustible sound absorbing wall according to the present invention, the wall material is attached to the front side of the wall base material provided at intervals in the wall width direction, and is adjacent to the wall base material in the wall width direction. Since the sound absorbing material is provided between them, the sound absorbing property of the wall can be further improved.

  Moreover, according to the construction method of the incombustible sound-absorbing wall according to the present invention, it is a method for constructing the above-described incombustible sound-absorbing wall, and the side close to the wall base material among the two perforated plates constituting the wall material Fixing the first layer of perforated panel by screwing to the front side of the wall base material when the side far from the wall base material is the second layer perforated panel, And a step of adhering the second-layer perforated panel to the front side of the first-layer perforated panel fixed to the wall base material, so that reverberation due to sound generated in the room is suppressed and non-flammable The sound absorbing wall can be realized.

FIG. 1 is a side sectional view showing an embodiment of a noncombustible sound absorbing wall according to the present invention. FIG. 2 is a plan sectional view showing an embodiment of the noncombustible sound absorbing wall according to the present invention. FIG. 3 is an enlarged view of a portion A in FIG. FIG. 4 is an enlarged view of a portion B in FIG. FIG. 5 is a front view showing an arrangement example of the first and second layered perforated panels of the incombustible sound absorbing wall according to the present invention. FIG. 6 is a diagram illustrating an example of the positions where the adhesive and the double-sided tape are applied. FIG. 7 is a side sectional view showing an example of a conventional incombustible sound absorbing wall.

  Embodiments of a noncombustible sound absorbing wall and a construction method thereof according to the present invention will be described below in detail with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Non-combustible sound absorbing wall)
First, an embodiment of a noncombustible sound absorbing wall according to the present invention will be described.

  As shown in FIGS. 1 and 2, the non-combustible sound absorbing wall 10 according to the present embodiment includes a lightweight steel frame 12 as a wall base material, a wall material 14 attached to the front side of the lightweight steel frame 12, and a lightweight steel frame. Glass wool 16 as a sound absorbing material provided between 12 is provided. The lightweight steel frames 12 extend in the height direction Z, and a plurality of lightweight steel frames 12 are provided at intervals in the wall width direction Y.

  The wall material 14 is configured by a non-combustible wall material in which two perforated panels (perforated plates) having sound absorption properties are laminated in the wall thickness direction X and bonded together. The first layer perforated panel 18 is disposed on the side close to the lightweight steel frame 12, and the second layer perforated panel 20 is disposed on the side far from the lightweight steel frame 12. The plurality of holes 22 formed in the perforated panels 18 and 20 are provided at the same position in the first layer and the second layer when viewed from the front.

  The perforated panel 18 in the first layer can be formed of a solid perforated plate material such as a perforated plywood (plywood or single plate). As the perforated plywood plate, for example, a perforated lauan plywood plate that is made non-flammable by perforating a lauan plywood plate and impregnating with a nonflammable chemical agent may be used.

  The perforated panel 20 of the second layer can be composed of, for example, a perforated wood-kneaded panel excellent in sound absorption and nonflammability. As this wood-kneaded panel, a perforated panel in which a perforated incombustible volcanic glassy multilayer board (for example, Dylite (registered trademark)) is used as a base material and a wood-grained veneer is kneaded on its surface. It may be used.

  As shown in FIG. 3, the first layer perforated panel 18 is fixed to the front side of the lightweight steel frame 12 with screws 26 with a glass cloth 24 interposed therebetween. The perforated panels 18 and 20 of the first layer and the second layer are bonded with a double-sided tape 30 and an adhesive 32. The first layer perforated panel 18 acts to support the second layer perforated panel 20 on the surface.

  As shown in FIG. 5, the wall member 14 is configured by arranging a plurality of rectangular plate-like perforated panels 18 and 20 in parallel in the vertical and horizontal directions. The first and second perforated panels 18 and 20 have the same vertical and horizontal dimensions (vertical length H × horizontal length L), and the joint between the upper, lower, left and right perforated panels is the first and second layers. The perforated panels 18 and 20 are arranged in a staggered manner in the front view of the wall so that they do not coincide with the eyes. As shown in FIG. 4, joint tape 28 is provided on the front side of the perforated panel 18 at a portion that becomes a joint between the second layer of perforated panels 20.

  In the present embodiment, it is assumed that the thickness and width of the lightweight steel frame 12 are about 100 mm, the thickness of the first layer of perforated panel 18 is about 10 mm, and the thickness of the second layer of perforated panel 20 is about 5 mm. doing. The vertical and horizontal dimensions of the perforated panels 18 and 20 are assumed to be about H = 900 mm and L = 1800 mm per sheet. The arrangement interval of the holes 22 is assumed to be about 35 mm, and the arrangement interval of the lightweight steel frames 12 is assumed to be about 300 mm.

  According to the present embodiment, the second layer of perforated panel 20 is supported by the dense first layer of perforated panel 18 on the surface, so that the second layer of perforated panel 20 is excellent in sound absorption. , Resistance to out-of-plane impact is improved. For this reason, even if the wall material 14 hits a ball | bowl, it becomes difficult to break. Accordingly, it is possible to suppress reverberation due to sound generated in the room and to realize a noncombustible sound absorbing wall that is difficult to break.

  In addition, the incombustible sound absorbing wall 10 of the present embodiment can be constructed at low cost because it can be constructed by bonding an inexpensive plywood and a volcanic glassy multilayer board. Moreover, since it is the structure which excluded the gypsum board and the wooden trunk edge from the conventional incombustible sound-absorbing wall of FIG. 7, an assembly operation and material cost can be reduced compared with the past, and construction cost can be reduced.

(Construction method of noncombustible sound absorbing wall)
Next, an embodiment of the construction method of the noncombustible sound absorbing wall according to the present invention will be described. In this Embodiment, the nonflammable sound absorbing wall 10 mentioned above is constructed in the following procedures.

  First, as shown in FIG. 2, a plurality of lightweight steel frames 12 are installed at intervals in the left-right direction, and glass wool 16 is pinned so as to be within the thickness of the lightweight steel frame 12. Subsequently, the perforated panel 18 of the first layer is screwed to the front side of the lightweight steel frame 12 with the glass cloth 24 interposed therebetween.

  Next, a double-sided tape 30 is applied to the surface of the first layered perforated panel 18, an adhesive 32 is applied, and a joint tape 28 is applied at a predetermined position. An arrangement example of the double-sided tape 30 and the adhesive 32 is shown in FIG.

  Next, the second layer of perforated panel 20 is attached to the surface of the first layer of perforated panel 18. At this time, the double-sided tape 30 acts to support the second-layer perforated panel 20 until the adhesive 32 is hardened.

  With such a construction procedure, reverberation due to sound generated in the room can be suppressed, and the incombustible sound absorbing wall 10 that is hard to break can be constructed. Moreover, since this incombustible sound-absorbing wall 10 can be constructed by bonding an inexpensive plywood board and a volcanic glassy multilayer board, it can be constructed at low cost. Furthermore, since this incombustible sound absorbing wall 10 is a structure which is not provided with a gypsum board and a wooden trunk edge, an assembly operation and material cost can be reduced and construction cost can be reduced.

  As described above, according to the non-combustible sound absorbing wall according to the present invention, the non-combustible wall having sound absorbing properties is attached to the wall base material and the front side of the wall base material and has the sound absorbing property. Since the non-combustible wall material is formed by laminating a single sheet of perforated plates in the wall thickness direction, the wall material is difficult to break even when hit by a sphere. For this reason, while suppressing the reverberation by the sound generated indoors, the incombustible sound absorption wall which is hard to break can be implement | achieved.

  Further, according to another incombustible sound absorbing wall according to the present invention, the two perforated plates are a first layer perforated panel made of a solid plate material attached to the front side of the wall base material, and the first layer. It is composed of a second layer of perforated panel that is attached to the front side of the perforated panel. The first layer of perforated panel supports the second layer of perforated panel, so the second layer of perforated panel The resistance to impact force from the outside of the wall surface is improved, and it becomes difficult to break even when hit by a ball.

  Further, according to another incombustible sound absorbing wall according to the present invention, the first layer of perforated panel is composed of a perforated plywood or a single plate, and the second layer of perforated panel is composed of a perforated volcanic glassy composite. Since it consists of a layer board, construction cost can be reduced.

  Further, according to another incombustible sound absorbing wall according to the present invention, the wall material is attached to the front side of the wall base material provided at intervals in the wall width direction, and is adjacent to the wall base material in the wall width direction. Since the sound absorbing material is provided between them, the sound absorbing property of the wall can be further improved.

  Moreover, according to the construction method of the incombustible sound-absorbing wall according to the present invention, it is a method for constructing the above-described incombustible sound-absorbing wall, and the side close to the wall base material among the two perforated plates constituting the wall material Fixing the first layer of perforated panel by screwing to the front side of the wall base material when the side far from the wall base material is the second layer perforated panel, And a step of adhering the second-layer perforated panel to the front side of the first-layer perforated panel fixed to the wall base material, so that reverberation due to sound generated in the room is suppressed and non-flammable A sound absorbing wall can be realized.

  As described above, the incombustible sound absorbing wall and the construction method thereof according to the present invention are useful for the inner wall of a building such as a gymnasium, and are particularly suitable for improving the proof strength against an impact force from the outside due to a flying ball or the like. ing.

10 Noncombustible sound absorbing wall 12 Light steel frame (wall base material)
14 Wall material 16 Glass wool (sound absorbing material)
18 1st layer perforated panel (perforated plate)
20 2nd layer perforated panel (perforated plate)
22 hole 24 glass cloth 26 screw 28 joint tape 30 double-sided tape 32 adhesive

Claims (5)

A non-combustible wall with sound absorption,
A non-combustible material comprising: a wall base material; and a non-combustible wall material that is attached to the front side of the wall base material and is laminated with two perforated plates having sound absorption properties stacked in the wall thickness direction Sound absorbing wall.   The two perforated plates are a first layer perforated panel made of a solid plate attached to the front side of the wall base material, and a second layer perforated attached to the front side of the first perforated panel The non-combustible sound-absorbing wall according to claim 1, wherein the first-layer perforated panel is a surface support of the second-layer perforated panel.   The non-combustible material according to claim 2, wherein the first layer of perforated panel is made of perforated plywood or veneer, and the second layer of perforated panel is made of perforated volcanic glassy multilayer board. Sound absorbing wall.   The wall material is attached to the front side of the wall base material provided at an interval in the wall width direction, and a sound absorbing material is provided between the wall base materials adjacent in the wall width direction. The noncombustible sound absorbing wall according to any one of Items 1 to 3. A method for constructing the incombustible sound absorbing wall according to any one of claims 1 to 4,
Of the two perforated plates that make up the wall material, the side close to the wall base material is the first layer perforated panel, and the side far from the wall base material is the second layer perforated panel,
Fixing the first layer of perforated panel by screwing to the front side of the wall base material;
And a step of adhering a second layer of perforated panel to the front side of the first layer of perforated panel fixed to the wall base material.