JPH05332009A - Noise insulating wooden floor bed structural body and noise insulating wooden floor structural body using it - Google Patents

Abstract

PURPOSE:To prevent the propagation of a noise caused from the upper floor by placing the second panel, which is formed by fixing a synthetic resinous cubic net shape structural body on the under surface of a substrate, on the first panel formed by fixing a glass wool mat on the under surface of a wooden base board. CONSTITUTION:A particle board is used as a base board 1, and a glass wool mat 2 is fixed on the reverse thereof to form, the first panel 3. Next, a particle board, which is formed by applying a jointing recess/projection working part 5 in the four side surface parts, is used as a base board 6, and a nylon resinous cubic net shaped structural body 7 is fixed on the reverse thereof, to form the second panel 8. Next, the first panel 3 is laid all over the ground surface under the second story floor where a PC plate is installed on a steelwork frame as a floor slab 4, and the second panel 8 is loaded on the upper surface of the base board 1, and is joined to the recess/ projection working part 5 with an adhesive having rubber elasticity to form a noise insulating bed structural body. A thin projecting veneer is stuck on the second panel 8, and a paint film is formed on the surface, and thus a wooden decorative floor plate 10 is constructed. Thereby, a noise from the upper floor can be prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wooden floor structure which is directly constructed on a concrete floor slab such as an ALC plate or a PC plate, and mainly produces noise from the floors of a house mainly made of steel frames. The present invention relates to a wooden sound insulation floor base structure and a sound insulation floor structure for the purpose of preventing the sound from being transmitted downstairs.

[0002]

2. Description of the Related Art Conventionally, there has been a problem that a prefabricated house having a steel frame as a structure, particularly a rental house has a poor sound insulation performance and a sound in an adjacent room or a floor is well transmitted. Therefore, various methods such as incorporating soundproofing materials and sound insulating materials into walls, ceilings, and floors have been studied, and we have seen some effects.However, since the skeleton is iron, the sound is transmitted compared to wood or concrete. It was easy and it was difficult to achieve the desired effect.

[0003]

Recently, steel-framed houses are also being constructed with a concrete plate material such as an ALC plate or a PC plate as a floor material to improve the sound insulation performance. High-performance sound insulation performance using a decorative floorboard of the system (light insulation sound insulation grade is about L-45 to 50), and wood that can be easily constructed without giving much consideration to indoor electricity, gas, water pipes, etc. There was a call for a sound insulation floor structure.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and its constitution is that the first panel having the glass wool mat fixed to the lower surface of the wood-based substrate has a desired spacing. The second panel is provided on the concrete floor slab, and the upper surface of the board has the joint processing portion formed on the peripheral side surface. The second panel has the synthetic resin three-dimensional net structure fixed to the lower surface of the wooden board. A wood-based sound-insulating flooring base structure and a second structure, which are mounted flush with each other via an adhesive
The present invention relates to a wooden floor structure in which a wooden decorative floorboard is fixed to the upper surface of a panel.

[0005]

In the present invention, the structure of the sound insulation floor is divided into the first panel and the second panel, each of which has a two-layer structure, so that a total of four layers is formed. The sound insulation treatment is applied to the upper surface of the second panel. This is because even if a conventional wooden floorboard that is not used is used, a sound insulation floor performance that passes the L-45 grade of the lightweight floor impact sound test is imparted. In addition, the structure of the sound insulation floor can be separated into the first panel and the second panel because the weight of each panel is reduced to facilitate the construction, and the first panel is aligned with the position of the pipe on the slab. This is so that the position of construction can be adjusted. Further, the reason why glass wool is fixed to the lower surface of the first panel is to allow the glass wool to absorb the irregularities even if there is some irregularity on the slab and to have a non-uniformity adjusting function.

The present invention will be described below in detail with reference to the drawings.

FIG. 1 is a perspective view of a wooden sound insulation floor structure according to an embodiment of the present invention with a part thereof cut away.

The first panel 3 used in the present invention has a thickness of about 9 to 20 mm on the entire back surface of a wood-based substrate 1 which is a composite of particle board, fiber board or plywood such as MDF, etc. The glass wool mat 2 having a weight of about 20 to 50 mm and a weight of about 30 to 80 Kg / m ³ is fixed and configured. As the size of the panel 3, a square or a rectangle having a length and a width of 450 mm to 900 mm is suitable in handling and workability.

The second panel 8 is made of a wood-based substrate 6 in which a particle board having a thickness of about 9 to 20 mm and a fiber board or plywood such as MDF, which has a concavo-convex processing 5 for joining on its four side surfaces, is used as it is or is combined. 5-20m thick on the entire back surface
The synthetic resin three-dimensional net-like structural body 7 of about m is fixed and configured.

The synthetic resin fiber three-dimensional network structure 7 is a structure in which synthetic resin fibers selected from nylon, polycarbonate, ABS, etc. are three-dimensionally intertwined with each other and have many voids inside. In the examples, ZEON mat (trade name: manufactured by ZEON CORPORATION) was used.

The vertical and horizontal dimensions of the second panel 8 are as follows.
The size may be the same as that of the first panel 3.

The wood-based decorative floor board 10 to be applied to the surface of the substrate 6 of the second panel 8 has a thickness of 4 to 4 with a decorative veneer or the like adhered to the surface and joint-like concavo-convex processing on four sides. 15m
The length in the m range is 70 to 1800 mm and the width is 10 to 3
A conventional decorative floorboard in the range of about 00 mm can be used.

When a wooden soundproof decorative floorboard in which a sound insulating material and a soundproof material are combined is used as the decorative floorboard 10, it is natural that the soundproofing effect is improved as compared with the untreated floorboard.

In constructing the floor structure of the present invention, first, the first panel 3 is laid on the upper surface of the floor slab 4 while maintaining an appropriate gap therebetween. When the pipes 9 for water, gas, electricity, etc. are provided on the floor slab 4, the appropriate interval may be a gap of at least about 20 mm from an interval that does not overlap them.

Then, a second panel is formed on the upper surface of the substrate 1 of the first panel 3.
The panels 8 are laid flush with each other, and the second panel 8 is fitted and fixed to each other by interposing a flexible adhesive such as rubber or acrylic resin in the joint processing portion 5 on the side surface.

Subsequently, a wooden floorboard 10 is laid on the upper surface of the substrate 6 of the second panel 8 by nailing the floor surface so as to be flush with the adhesive at the joint processing portion.

Examples of the present invention will be shown below.

[0018]

【Example】

(Example 1) Thickness 15 mm, length 450 mm, width 450
A particle board having a size of 40 mm was used as a substrate 1, and a glass wool mat 2 having a weight of 64 kg / m ³ and a thickness of 25 mm was fixed to the back surface of the substrate 1 with an adhesive to form a first panel 3 having a thickness of 40 mm.

Next, a particle board having a thickness of 15 mm, a length of 450 mm, and a width of 450 mm, which has been subjected to the actual processing 5 for joining to the four side surfaces, is used as the substrate 6, and the back surface thereof has a thickness of 10 m.
The three-dimensional net structure 7 made of nylon resin having a thickness of m was fixed to form a second panel 8 having a thickness of 25 mm.

Then, the first panel 3 is provided with a gap of about 20 mm between each panel on the second floor floor surface for a house in which a precast concrete (PC) plate having a thickness of 150 mm is attached to the steel frame as the floor slab 4. Was installed and laid so as to avoid the water supply and the gas pipe 9.

Then, a second panel is formed on the upper surface of the substrate 1 of the first panel 3.
The panel 8 was placed, and an adhesive having rubber elasticity was applied to and bonded to the actually processed portion 5 formed on the side surface of each panel to form a sound insulation floor base structure. The second panel 8 only needs to be placed on the first panel 3, and it is not necessary to fix the second panel 8 with an adhesive or a nail.

Next, a thin veneer veneer is adhered to the upper surface of the second floor basement second panel 8 using the plywood as a substrate, a coating film is formed on the surface, and a side surface is used for bonding. A conventional wood-based decorative flooring board 10 having a thickness of 12 mm, a width of 30 mm, and a length of 1800 mm was applied. In the construction, a part of the back surface of the decorative floorboard 10 was intervened with an adhesive, and it was pulled up from the real part by nailing.

A lightweight impact sound was added from the surface of the wooden sound insulation floor structure constructed as described above by a tapping machine, and noise at each frequency was measured using a sound level meter on the lower surface of the slab to obtain a sound insulation grade. .. The result of the test was that which passed L-45 as shown in FIG.

(Example 2) Thickness 15 mm, length 900 m
m, 900 mm wide particle board as the substrate 1,
A glass wool mat 2 having a weight of 50 kg / m ³ and a thickness of 25 mm is fixed to the back surface thereof with an adhesive to give a thickness of 40 mm.
The 1st panel 3 of mm was created.

Next, a particle board having a thickness of 12 mm, a length of 900 mm, and a width of 900 mm, which has been subjected to the actual processing 5 for joining to the four side surfaces, is used as the substrate 6, and the back surface thereof has a thickness of 10 m.
m ABS resin three-dimensional net-like structural body 7 is fixed to a thickness of 2
A 2 mm second panel 8 was created.

Then, the first panel 3 is placed on the second floor floor surface for a house in which a lightweight foam concrete (ALC) plate having a thickness of 200 mm is attached to the steel frame as the floor slab 4.
A space of about 20 mm was provided between the panels, and the portion where the water pipe 9 was arranged was spread so as to avoid it.

Then, a second panel is formed on the upper surface of the substrate 1 of the first panel 3.
The panel 8 was placed, and an adhesive having rubber elasticity was applied to and bonded to the actually processed portion 5 formed on the side surface of each panel to form a sound insulation floor base structure.

Next, on the upper surface of the second panel for floor base, wood was cut and cut, and the side surface was subjected to a joining process, and a coating film was formed on the surface. Thickness 15 mm, width 75 mm, length A 900 mm conventional wooden decorative floorboard 10 was constructed.
For the construction, a part of the back surface of the decorative floorboard 10 was intervened with an adhesive, and nailed up from the actual processed portion to raise it.

A lightweight impact sound by a tapping machine was applied from the surface of the wooden sound insulation floor structure constructed as described above, and the noise for each frequency was measured using a sound level meter on the lower surface of the slab to obtain the sound insulation class. .. The result of the test was that it passed L-45 as shown in FIG.

(Example 3) After a first panel and a second panel having the same structure as those used in Example 1 were laminated to form a sound insulation floor base structure, the upper surface thereof was bonded to the side surface portion with an adhesive. A wood-based sound-insulating floor structure was obtained by stretching a wood-based sound-insulating decorative floorboard having a thickness of 18 mm, a width of 90 mm, and a length of 900 mm that passed the processed lightweight floor impact sound rating L-45.

A light weight impact sound was added from the surface of the wooden sound insulation floor structure constructed as described above by a tapping machine, and noise at each frequency was measured using a sound level meter on the lower surface of the slab to obtain a sound insulation grade. .. The test result passed L-40 as shown in FIG.

Since the wood-based sound insulation floor base structure of the present invention is constructed as described above, it has the following effects.

1. Since the first panels are laid on each other with a space therebetween, the piping position on the floor slab can be freely selected.

2. Since the lowermost layer of the first panel is a glass mat, even if there are some irregularities on the floor slab surface, it absorbs them, so it is possible to simply lay them down.

3. Since the side surface of the second panel is joined and joined using an adhesive, a floor base independent of the first panel can be constructed by the floor laying method, which facilitates the construction of the floor base material.

4. Since the wooden board of the second panel has rigidity and is constructed by bonding the side surfaces to each other by adhesion, even if a local load is applied from the surface, the entire second panel disperses and receives the load. It is possible to reduce the local depression of.

5. Since a high sound insulation performance can be obtained only by combining the first panel and the second panel, the selection range of the decorative flooring material to be installed on the surface is widened.

6. The first panel and the second panel only need to be laid down, and the decorative flooring material can be applied by the conventional construction method. Therefore, not only is the construction easy, but also the replacement of the decorative flooring material in the renovation and water, gas, electricity, etc. Can easily handle changes in piping.

[Brief description of drawings]

FIG. 1 is a perspective view of a wooden sound insulation floor structure according to an embodiment of the present invention with a part cut away.

FIG. 2 is a result of a sound insulation grade test by a lightweight floor impact sound of a floor structure using a wooden sound insulation floor base material according to Example 1.

FIG. 3 is a result of a sound insulation grade test by a lightweight floor impact sound of a floor structure using a wooden sound insulation floor base material according to Example 2.

FIG. 4 is a result of a sound insulation grade test by a lightweight floor impact sound of a floor structure using a wooden sound insulation floor base material according to Example 3.

[Explanation of symbols]

 1 Wood-based substrate 2 Glass wool mat 3 First panel 4 Concrete floor slab 5 Processing part for joining 6 Wood-based substrate 7 Synthetic resin three-dimensional reticulated structure 8 Second panel 9 Piping 10 Wood-based decorative floorboard

Claims (3)

[Claims] 1. A first panel (3) having a glass wool mat (2) fixed to a lower surface of a wooden board (1) is placed on a concrete floor slab (4) at a desired interval, and The second panel (8), to which the synthetic resin three-dimensional net-like structure (7) is fixed, is joined to the lower surface of the wood-based substrate (6), on the upper surface of which the joining processing portion (5) is formed on the peripheral surface A wood-based sound insulation floor base structure, which is placed flush with the processed portion (5) via an adhesive in a joined state. 2. The ordinary wood-based decorative floorboard (10) having a bonding processing part formed on the peripheral side surface of the upper surface of the substrate (6) of the second panel (8) according to claim 1, is fixed in a bonded state. Characteristic wooden sound insulation floor structure. 3. A sound-insulating wood-based decorative floorboard (10) having a bonding portion formed on the peripheral side surface is fixed to the upper surface of the substrate (6) of the second panel (8) in a bonded state. A wooden sound insulation floor structure characterized by the above.