JPS6192259A - Construction of sound-proof floor - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] 〔Technical field〕 The present invention relates to a method of constructing a floor having soundproofing effects.

[Background technology]

Floors of buildings such as steel frames and reinforcing bars are often constructed by laying floor finishing materials such as wooden tiles, synthetic resin tiles, and rubber tiles on a floor base made of concrete or the like.

When wooden tiles are used as a floor finishing material, they have the advantage of giving rooms a sense of calmness and giving a sense of luxury to buildings. (There are two disadvantages, such as the sound of footsteps echoing due to the lack of quality.) On the other hand, synthetic resin tiles and rubber tiles have higher sound absorption properties than wooden tiles, so it is recommended to use them as floor finishing materials. This has the advantage that the sound of footsteps does not resonate as much, but it has the disadvantage that it is difficult to give the building a sense of luxury.

Therefore, a soundproof flooring material as shown in Figure 1 was developed. In this soundproof flooring material 1, the wooden pieces 1b are glued to the surface of the sheet 1a made of a sound absorbing material so that the wooden pieces 1b are laid out in a small checkerboard pattern or the like without any gaps. The wood piece tb has a thickness of about 3.0 to 8.0 mm, and the sheet 1a has a thickness of about 2.0 mm. When such soundproof flooring material 1 is laid and fixed on the floor base as shown in the figure, the upper surface of the wooden piece lb constitutes the floor surface, making the room etc. calmer.
It can also give a sense of luxury to a building. Moreover, since the sheet 7) 1a made of a sound absorbing material is provided on the back side of the wooden piece 1b, a soundproofing effect can also be obtained.

However, such soundproof flooring materials have the following problems: ■ The soundproofing effect is low; ■ The wooden piece easily peels off from the sheet; ■ The wooden piece has a large dimensional change due to humidity, etc. There have been problems such as problems such as the appearance of cracks in the floor surface and the appearance of gaps in the floor surface, which impairs the aesthetic appearance of the floor surface.

Furthermore, during construction, conventional soundproof flooring materials are fixed to the subfloor by nailing, gluing, or other methods. Therefore, if the subfloor surface is significantly uneven, there are problems such as uneven or raised wooden pieces on the finished floor surface, and poor adhesion of the sheet to the subfloor.

[Purpose of the invention]

Therefore, this invention aims to ensure that the finished floor surface has a great soundproofing effect, that the wooden pieces do not peel off from the sheet (and that even if the wooden pieces expand and contract, the phenomenon of pushing up the wooden pieces does not occur, and that the floor surface The aesthetics of the floor may be impaired, and unevenness of the subfloor surface may cause wood pieces to be uneven or pushed up on the finished floor surface, or sheets may not adhere properly to the subfloor. The purpose of this project is to provide a construction method for soundproof floors that does not exist before.

[Disclosure of the invention]

In order to achieve the above-mentioned object, the present invention provides a soundproof floor in which wood pieces are spread on the surface of a layer of sound absorbing material on a subfloor surface, by pouring a liquid sound absorbing material onto the subfloor surface and applying a large number The gist of the method is to construct a soundproof floor by arranging wooden pieces with spaces between them and having their bases embedded in the sound-absorbing material, and then curing the liquid sound-absorbing material. . Hereinafter, the present invention will be described in detail based on the drawings.

As shown in FIG. 2, the method for constructing a soundproof floor according to the present invention is to pour a liquid sound-absorbing material 3a made of raw rubber emulsion onto a subfloor 2, and then pour a large number of wooden pieces 4 into the sound-absorbing material 3a.
are spaced apart from each other, and their bases 4a are embedded in the eaves of the liquid sound absorbing material 3a. After that 1.
The liquid sound absorbing material 3a is cured to form a sheet.

In the figure, 5 is a wall. As shown in Figure 3, the completed soundproof floor consists of a sheet 3 made of absorbing and sound-absorbing material, and a large number of wooden pieces 4 placed at intervals on a subfloor 2. Become something. In the figure, 5
is a wall.

As mentioned above, if the liquid sound absorbing material is poured onto the subfloor surface and a large number of wooden pieces are placed there, then the liquid sound absorbing material is allowed to harden. Because it absorbs land, there is no possibility that the sound absorbing material that has hardened into a sheet will have poor adhesion to the flooring, or that the wooden pieces will not be level or push up.

In addition, according to the soundproof floor construction method of the present invention, the soundproof floor sheet can be completed by simply pouring liquid sound absorbing material onto the subfloor surface, so there is no need to be restricted by the dimensions of the subfloor surface (or to order). It is now possible to create soundproof floors with Mate, which is very convenient.As the liquid sound-absorbing material itself hardens, the sound-absorbing material (sheet) is completely adhered to the subfloor surface, so it is not necessary to use glue or nails. The members required for fixing by hammering are no longer required, and costs can be reduced.

When making one soundproof floor using the soundproof floor construction method according to the present invention, for example, apply liquid sound absorbing material from 5 to 110 mm from the subfloor surface.
It is decided that the water should be poured until it reaches a height of 1a.

As a result, the thickness of the sheet after the sound absorbing material is cured is 5 to 10 m.
It can be uniformly set to m. However, the height above the floor surface into which the liquid sound absorbing material is poured does not have to be particularly limited, and may be changed depending on the site conditions.

In the examples, the sound absorbing material used in the soundproof floor construction method according to the present invention was made from raw rubber. However, the raw materials for the sound absorbing material are not limited to those mentioned above, and may be synthetic rubber, plastics, or the like. The hardness (Shore hardness) of the liquid sound absorbing material after curing is preferably 10 to 70°.

The entire piece may be a single piece of wood, but it may be made by bonding an artificial decorative veneer or a natural decorative veneer to a substrate made of plywood. As for the wood pieces, it is recommended to use reinforced wood (WPC), which is impregnated with monomers and then chemically polymerized using radiation or catalysts to strengthen them with resin. preferable. Strength 9 Dimensional Stability of Wooden Pieces.

This is because properties such as weather resistance and corrosion resistance are improved. The thickness of the sheet should be between 3.0 and 20 mm, taking into consideration the sound absorption effect, the feeling of walking, and the ability to absorb some unevenness in the flooring. The thickness of the wooden pieces is preferably 1 to 20 mm, and the distance between the wooden pieces is preferably 0.5 mm or more. The size of the wooden pieces and the number of wooden pieces to be joined to the sheet are determined as appropriate depending on the installation location, etc. For example, the size of a wooden piece is lQcmXI
Let the space between the wooden pieces be lc as a square of Qc+++
The soundproof floor obtained by the method of constructing a soundproof floor according to the present invention has spaces between the wooden pieces, and the bases of the wooden pieces are embedded in the sheet, so that the soundproof floor is made of one wooden piece. The sound from the walking platform, etc. that passes through the interior is blocked by the sound-absorbing material surrounding the wooden pieces, making it difficult for them to be transmitted to the adjacent wooden pieces.

Therefore, compared to a soundproof flooring material in which wood pieces are spread tightly over the sheet surface, sound is less likely to be transmitted in the lateral direction, and the sound absorption effect is higher.

In addition, even if the dimensions of the wooden pieces change, the sheet portion between the wooden pieces expands and contracts to absorb the change in the dimensions of the wooden pieces, so the wooden pieces do not push up or a gap occurs between the wooden pieces and the sheet. do not. In addition, since there are gaps between the wooden pieces that serve as joints from the beginning,
Even if the wooden pieces change in size, this spacing absorbs the change in size, so the aesthetic appearance of the floor is not impaired. Since the wooden piece is embedded in the sheet, the contact area between the wooden piece and the sheet is larger than when the wooden piece is simply adhered to the surface of the sheet. Therefore, it is difficult to peel off from the sheet. By appropriately determining the spacing and protruding height of the wooden pieces, it is possible to eliminate problems such as people tripping on the edges of the wooden pieces, even if the heights of the wooden pieces are slightly different. . On the other hand, when there is no gap between the wooden pieces, such as with conventional soundproof flooring, if the heights of the wooden pieces are different, the
.

There is a high risk of problems such as people tripping over the protruding parts.

In addition, if a wooden piece made by bonding and integrating a substrate made of plywood or the like and a decorative veneer with a wood edge pattern reinforced with resin is used in the soundproof floor construction method according to the present invention, the floor surface will A soundproof floor having a wood grain pattern can now be obtained.

When a wood piece with a butthole pattern is made by cutting wood into rings, the wood fibers are cut short, so when dried, cracks, chips, warping, etc. are very likely to occur. 1
．． When the thickness is about 0 to 10.0 mm, cracks are more likely to occur because it is thin. Therefore, it is difficult to use such wooden pieces in the soundproof floor construction method according to the present invention. However, as mentioned above, when decorative veneer with a wood edge pattern is reinforced with resin, it is less prone to cracking, chipping, warping, etc., and has good water resistance, so it can be used for soundproof floors. It becomes completely irresistible.

For example, the wooden piece can be made as follows. First, broad-leaved trees such as Nara, Kaji, Sen, and Lauan, and coniferous trees such as Mat, Sugi, fir, and Hinoki.
Other logs, square timbers, etc. are cut into rounds to make veneers. The thickness is preferably 180 to 10.0 ms. Next, the veneer is impregnated with a thermosetting resin such as polyester resin, melamine resin, phenol resin, etc. by vacuum pressure impregnation. The amount of impregnation is preferably 100 to 120%. After this, the veneer is adhered to a substrate such as plywood, and the impregnated resin is cured. It is preferable to use plywood as the substrate. usually,
This is because plywood often has rough conduits, which improves the bonding (adhesion) of the wooden piece to the sound absorbing material.

In the embodiment described above, the square wooden pieces are arranged parallel to the sheet, but this need not necessarily be the case. As shown in FIG. 4, rectangular wooden pieces 6 may be placed on the sheet 7, or fine chip-shaped wooden pieces may be placed on the sheet so that some of them are exposed. It may be.

When using a wooden piece whose base is wider than the front side and placing it on the liquid sound absorbing material, apply a mold release agent to the base of the wooden piece so that the base of the wooden piece does not adhere to the sound absorbing material. By doing so, it becomes possible to obtain a soundproof floor comprising a wooden piece that is difficult to peel off when installed, but can be removed from the sheet if necessary. By using a wooden piece with dovetail grooves on the back surface, it is possible to obtain a soundproof floor in which the wooden piece is firmly bonded to the sheet. If the sound absorbing material contains a flame retardant or the wood piece is impregnated with a flame retardant, it becomes possible to obtain an N-flammable soundproof floor. If a wooden piece is used that has a notch on the end face of the part to be embedded in the sheet that increases the distance between the wooden pieces in the same part when placed on the sheet, the notch should be filled with sound absorbing material. This reduces the risk of the wooden piece coming off the sheet. After pouring a certain amount of liquid sound-absorbing material onto the subfloor and hardening it, heating means such as a panel heater with a heat medium passage, a heat medium passage, and a heater wire are placed on top of the sound-absorbing material, and then the liquid sound-absorbing material is poured on top of it. By doing so, it becomes possible to obtain a soundproof floor equipped with a heating means.

〔Effect of the invention〕

The method of constructing a soundproof floor according to the present invention includes pouring a liquid sound-absorbing material onto the subfloor surface when installing a soundproof floor in which wooden pieces are spread on the surface of a layer of sound-absorbing material on the subfloor surface.
A large number of wooden pieces are arranged with spaces between them and their bases are embedded in the sound-absorbing material, and then the liquid sound-absorbing material is cured, resulting in a great soundproofing effect. In addition to the fact that the wooden piece is difficult to peel off from the sheet, even if the wooden piece expands and contracts, the wooden piece does not push up or the aesthetic appearance of the floor surface is impaired, and is subject to restrictions due to the dimensions of the subfloor surface. You can create a soundproof floor without any problems. Furthermore, since the liquid sound-absorbing material absorbs the unevenness of the subfloor surface, there is no difference in level or bumping up of the wooden pieces on the finished floor surface, and the sheet is completely adhered to the subfloor surface. Furthermore, since the sheet is completely adhered to the subfloor surface, there is no need for a member to fix the sheet to the subfloor surface, resulting in an effect of reduced costs.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a conventional soundproof flooring material laid down, Fig. 2 is a sectional view illustrating one embodiment of the soundproof floor construction method according to the present invention, and Fig. 3 is the construction method shown in Fig. 2. FIG. 4 is a perspective view of a soundproof floor made by the method according to the present invention, and FIG. 4 is a plan view of another embodiment of a soundproof floor made by the soundproof floor construction method according to the present invention. 2... Floor base 3.7... C) 3a... Liquid sound absorbing material 4, 6... Wooden piece 4a... Base agent Patent attorney Takehiko Matsumoto Figure 1 Figure 2 Figure 4

Claims (2)

[Claims] (1) When installing a soundproof floor with wooden pieces spread over the surface of a layer of sound-absorbing material on the subfloor surface, liquid sound-absorbing material is poured onto the subfloor surface, and a large number of wooden pieces are placed on top of the floor with intervals between them. A construction method for a soundproof floor in which the liquid sound absorbing material is hardened after opening and placing the base so that it is embedded in the sound absorbing material. (2) The method for constructing a soundproof floor according to claim 1, wherein the liquid sound absorbing material is a raw rubber emulsion.