KR20070096270A - Floor material of building for noise insulation and interruption and constructing method thereof - Google Patents

Abstract

A floor material for interrupting noise transmitted between floors and a method of constructing the same are provided to interrupt weak impact sound using a foam aluminum panel as well as strong impact sound such as floor impact sound generated from a floor structure of an apartment, a house, public facilities etc. using air mounts in which air is filled. A floor material for interrupting noise transmitted between floors comprises a noise interrupter(100) for interrupting and reducing noise and vibration, and an sound insulating sheet(200) for insulating sound. The noise interrupter includes a plurality of air mounts(110), which are disposed on a floor slab, are spaced apart from each other, have a closed inner space in which air is filled, and are formed of material capable of absorbing impact, a foam aluminum panel layer(130), which is stacked on the air mounts, an air layer(150), which is made up of the air filled in the inner space of each air mount. The sound insulating sheet is stacked on the noise interrupter.

Description

Floor material of building for noise insulation and interruption and constructing method

1 is a cross-sectional view showing a state in which the interlayer noise preventing flooring according to the first embodiment of the present invention is constructed.

2 is an enlarged cross-sectional view showing an enlarged portion A of FIG. 1;

3 is an enlarged partial cross-sectional perspective view of the air mount of FIG.

Figure 4 is a perspective view showing a test piece for testing the interlayer noise-proof flooring of the present invention.

5 is a table and a graph showing sound absorption performance test results of the test piece of FIG. 4.

6 is a table and a graph showing sound insulation performance test results of the test piece of FIG. 4.

Figure 7 is a table showing the tensile, compressive strength test results of the test piece of Figure 4;

Figure 8 is a graph showing the electromagnetic shielding effect test results of the test piece of FIG.

9 is a cross-sectional view showing a state in which the interlayer noise preventing flooring according to the second embodiment of the present invention is constructed.

10 is an enlarged cross-sectional view showing an enlarged portion B of FIG. 9;

FIG. 11 is an enlarged perspective view showing an enlarged air mount of FIG. 9; FIG.

12 is a cross-sectional view showing a state in which the conventional flooring is applied.

<Explanation of symbols for main parts of the drawings>

100, 100 ': Floor noise prevention material 110,120: Air mount

111, 121: Internal space 113, 123: Support shaft

114: upper surface 115: lower surface

114a, 115a: protrusion 127: lid

130,130 ': foamed aluminum panel layer 150: air layer

160: foamed polypropylene layer 200, 200 ': sound insulation sheet

300: lightweight foam concrete layer 400: finishing mortar

500: floor finishing material 600: wall buffer

700: pipe S: floor slab

W: wall surface

The present invention relates to an interlayer noise reduction flooring.

In general, in the floor structure of apartments, houses, public facilities, the impact sound is divided into light impact sound and heavy impact sound, and the light impact sound can be reduced by the existing sound insulation materials such as coin dropping or high heel click. However, the weight impact sound is a dull sound such as children playing, and the existing sound insulation material and the existing floor structure is difficult to reduce the weight impact sound. Floor cushions made of various inorganic materials, organic materials, polymers, etc. are used for sound insulation and dustproofing in the floor structure of common apartments and public facilities such as apartments. And synthetic resin compositions such as EVA, rubber admixtures incorporating functional fillers on fibrous felt, porous polystyrene foam, EVA foam, PVC foam, composite materials incorporating cork and rubber, inorganic materials such as gypsum board, and rock wool.

Conventional flooring materials are presented in Korean Registered Utility Model Publication No. 20-0297962, "Up and Down Floor Insulation and Noise Prevention Flooring of Buildings". According to this publication, as shown in FIG. 12, a main body 102 formed in a plate shape having a predetermined size and protrudingly formed on a bottom surface of the main body 102 are provided with a plurality of blocking spaces in contact with the concrete slab layer 1. A partition projection 104 formed in a net shape so as to form, at least one emboss projection 106 protruding from each blocking space formed by the partition projection 104, and formed in the center of each blocking space. The rib protrusion 108 is formed to be inclined radially from the emboss protrusion 106.

However, the conventional flooring as described above has the following problems.

The embossing pattern has a disadvantage in that it does not cancel the heavy shock sound well.

In other words, the light shock impact performance is excellent, but the heavy shock sound performance is not so much improved. Considering the fact that most of the floor impact sound in the domestic residential environment is a particularly heavy impact sound, there is an urgent need for improvement measures against heavy impact sound.

The present invention has been made to solve the above-mentioned problems, and not only blocks the light impact sound by the foamed aluminum panel, but also occurs in the floor structure of apartments, houses, public facilities, etc. by air mounts filled with air in the interior spaces. It can effectively block heavy impact sound among floor impact sounds, ease of construction, reduce the time required for construction, minimize labor expenses and reduce expenses, and provide interlayer noise-proof flooring that can improve construction efficiency. Its purpose is to.

The interlayer noise-proof flooring material of the present invention for achieving the above object is disposed on the upper surface of the floor slab, is composed of a plurality of spaced apart from each other, the closed inner space is formed, the air is filled in the inner space And an air mount made of a material capable of absorbing shock, and a foamed aluminum panel layer laminated on upper surfaces of the plurality of air mounts, the bottom slab, and the foamed aluminum panel layer. An interlayer noise prevention material including an air layer composed of air filled in spaces spaced apart from each other of the mount and provided to reduce noise and vibration; And a sound insulating sheet laminated on the upper surface of the interlayer noise preventing material and provided for sound insulation.

In the above, the support shaft is provided in the center of the inner space of the air mount.

The air mount is provided with a top surface in contact with the foamed aluminum panel layer and a bottom surface in contact with the bottom slab, respectively, and the top and bottom surfaces are provided with a plurality of protrusions for preventing slipping. do.

In another aspect of the present invention, disposed on the upper surface of the floor slab, is composed of a plurality of spaced apart from each other, the closed inner space is formed, the air is filled in the inner space, the material capable of absorbing shock The air mount is composed of, and the foamed aluminum panel layer laminated on the upper surface of the plurality of air mounts, and disposed between the bottom slab and the foamed aluminum panel layer, which is filled in spaces spaced from each other of the plurality of air mounts An interlayer noise prevention material including an expanded polypropylene layer composed of expanded polypropylene (EPP), and provided to reduce noise and vibration; And

And a sound insulating sheet laminated on the upper surface of the interlayer noise preventing material and provided for sound insulation.

In addition, the construction method of the interlayer noise-proof flooring material of the present invention for achieving the above object, the air mount is fixed to a plurality of grooves formed to be spaced apart from each other on one surface of the foamed aluminum panel, a part of the air mount is foamed aluminum A first step of fixing to protrude from the panel; Stacking the foamed aluminum panel on which the air mount is fixed to an upper portion of a floor slab, and stacking the air mount so that the air mount is located below; And a third step of laminating the sound insulation sheet on the upper surface of the foamed aluminum panel layer.

According to another aspect of the present invention, a method of constructing an interlayer noise preventing flooring includes: a first step of fixing an air mount in a plurality of holes formed to be spaced apart from each other on one surface of an expanded polypropylene (EPP); Stacking the expanded polypropylene on which the air mount is fixed to an upper portion of a floor slab, and stacking the air mount so that the air mount is located below; Stacking a foamed aluminum panel on an upper surface of the expanded polypropylene layer; And a fourth step of laminating the sound insulation sheet on the upper surface of the foamed aluminum panel layer.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a cross-sectional view illustrating a state in which an interlayer noise preventing flooring material is constructed according to a first embodiment of the present invention, FIG. 2 is an enlarged cross-sectional view showing an enlarged portion A of FIG. 1, and FIG. 3 is an air of FIG. 1. A partial cross-sectional perspective view showing an enlarged mount.

As shown in Figures 1 and 2, the interlayer noise preventing flooring of the first embodiment includes an interlayer noise preventing material 100 and a sound insulating sheet 200.

The interlayer noise prevention material 100 provided to reduce noise and vibration is configured to include an air mount 110, a foamed aluminum panel layer 130, and an air layer 150.

Air mount 110 is disposed on the upper surface of the floor slab (S), it is composed of a plurality of spaced apart from each other.

The air mount 110 has a closed inner space 111 is formed, the air is filled in the inner space 111, it is preferably made of a material that can absorb shock, preferably neoprene (Neoprene) material desirable.

Neoprene is generally a synthetic organic compound (polymer) having high elasticity and high molecular weight, which is similar to rubber and is made by combining the compounds 2-chloro-1 and 3-butadiene (chloroprene).

The material of the air mount 110 may be sufficient as the material capable of absorbing shock as well as neoprene.

The support shaft 113 is preferably provided at the center of the internal space 111 of the air mount 110, and the support shaft 113 is provided to prevent the internal space 111 filled with air from being compressed. And, it serves to support the air mount 110 made of a soft material such as neoprene.

In addition, the air mount 110 is provided with an upper surface 114 in contact with the foamed aluminum panel layer 130 to be described below, and a lower surface 115 in contact with the bottom slab S, respectively. ) Are provided with a plurality of protrusions 114a and 115a for preventing slipping.

The shape and number of the plurality of protrusions 114a and 115a illustrated in the drawings of the present specification are merely examples, and may vary according to embodiments.

The foamed aluminum panel layer 130 is stacked on the top surfaces of the plurality of air mounts 110.

Foamed aluminum is a metal material having many bubble layers (air cells) formed therein. In general, a porous material made of metal is very light compared to the original metal material. In addition, its energy absorption is excellent and its conductivity to heat and electricity is reduced. In particular, the permeability of liquid or air is good, and it has excellent sound absorption characteristics. Foam aluminum with all these properties can be applied to light weight structural materials, shock absorbers, sound absorbing and soundproofing materials, filtration filters, special filters for heat exchangers, and engine noise suppressors.

In the present embodiment, a plurality of grooves 130a are formed on the bottom surface of the foamed aluminum panel 130 so as to be spaced apart from each other, and the air mount 110 is inserted into and fixed to the grooves 130a, and a part of the air mount 110 is fixed. Is fixed to protrude from the foamed aluminum panel 130. This is preferable in terms of being able to form the air layer 150 described below.

When the air mount 110 is inserted into the groove 130a formed in the foamed aluminum panel 130 and fixed, the laminated aluminum panel 130 on which the air mount 110 is fixed is stacked on the top of the floor slab S. Therefore, construction becomes simple.

The air layer 150 is disposed between the bottom slab S and the foamed aluminum panel layer 130, and is composed of air filled in spaces spaced apart from each other in the plurality of air mounts 110.

In other words, the air layer 150 refers to a layer composed of air formed between a plurality of air mounts 110 protruding downward from the foamed aluminum panel 130, and the floor slab S and the foamed aluminum panel layer 130. Formed between).

The sound insulation sheet 200 provided for sound insulation is laminated on the upper surface of the interlayer noise preventing material 100 and may be made of a material having sound absorbing properties such as nonwoven fabric, felt, foam sheet, synthetic rubber, and the like.

Let us look at the test results of the interlayer noise preventing material 100 of the second embodiment configured as described above.

Figure 4 is a perspective view showing a test piece for testing the interlayer noise-proof flooring of the present invention, Figure 5 is a table and graph showing the sound absorption performance test results of the test piece of Figure 4, Figure 6 is the sound insulation of the test piece of Figure 4 Tables and graphs showing the results of the performance test, Figure 7 is a table showing the tensile, compressive strength test results of the test piece of Figure 4, Figure 8 is a graph showing the electromagnetic wave shielding effect test results of the test piece of FIG.

The test piece used for the test was comprised as follows.

As shown in FIG. 4, the test piece consists of a 9 mm thick foamed aluminum plate and an air layer in which air is embedded in a 1.6 mm thick iron plate provided on the bottom surface of the foamed aluminum plate, and the unit test piece has a length of 2000 mm and a width. Is 500 mm and thickness is 125 mm.

First, the sound absorption performance of the test piece was tested.

: 잔향실법 흡음율here,

Reverberation chamber method

: 시험편을 넣은 상태에 있어서 잔향시간(sec)

: Reverberation time (sec) in test state

: 시험편을 넣지 않은 상태에 있어서 잔향시간(sec)

: Reverberation time (sec) without test piece

: 잔향실 용적(

)

: Reverberation chamber volume

)

: 시료면적(

)

: Sample area (

)

: 공기중의 음속(m/s)

: Sound velocity in air (m / s)

The sound absorption performance test result of the test piece is shown in FIG. 5.

As shown in FIG. 5, it can be seen that the sound absorption rate is 0.26 to 1.09 at a frequency of 100 to 5000 Hz.

Next, the sound insulation performance of the test piece was tested.

Sound insulation performance test results of the test piece is shown in FIG.

As shown in Figure 6, the transmission loss at a frequency of 100 ~ 5000 Hz it can be seen that the sound insulation performance is very excellent as 19.2 to 51.1 dB.

Next, the mechanical properties of the test piece were tested.

Tensile, compressive strength test results of the test piece is shown in FIG.

As shown in Figure 7, it can be seen that the mechanical properties such as tensile strength, compressive strength, impact resistance and the like of the test piece.

In addition, the thermal conductivity of the test piece is 0.268 W / m · K, the thermal conductivity is excellent, the heating cost can be reduced, it is economical.

Next, the electromagnetic shielding effect of the test piece was tested.

The electromagnetic wave shielding effect test result of the test piece is shown in FIG. 8.

As shown in Fig. 8, there is also an electromagnetic shielding effect, which can be revived in the expectations of consumers who demand well-being.

Hereinafter, the construction method of the first embodiment of the present invention having the above-described configuration will be described.

First, as the first step, the air mount 110 is fixed to a plurality of grooves (130a) formed to be spaced apart from each other on one surface of the foamed aluminum panel 130, a part of the air mount 110 is foamed aluminum panel 130 Secure to protrude from

As a second step, the foamed aluminum panel 130 to which the air mount 110 is fixed is stacked on the top of the bottom slab S, but the air mount 110 is stacked to be positioned below.

As a third step, the sound insulating sheet 200 is laminated on the upper surface of the foamed aluminum panel layer 130.

As a fourth step, the lightweight foamed concrete 300 is laminated on the top surface of the sound insulation sheet 200.

As a fifth step, the pipe 700 is disposed on the upper surface of the lightweight foamed concrete layer 300.

As a sixth step, the finishing mortar 400 is applied to the upper portion of the lightweight foamed concrete layer 300 and the pipe 700.

When the floor finishing material 500 is laid on the upper surface of the finishing mortar 400 after the sixth step, the construction of the interlayer noise preventing flooring material according to the first embodiment is completed.

On the other hand, it will be described an interlayer noise prevention flooring according to a second embodiment of the present invention.

FIG. 9 is a cross-sectional view illustrating a state in which an interlayer noise preventing flooring material according to a second embodiment of the present invention is constructed, FIG. 10 is an enlarged cross-sectional view showing an enlarged portion B of FIG. 9, and FIG. 11 is an air of FIG. 9. An enlarged perspective view showing an enlarged mount.

9 and 10, the interlayer noise preventing flooring of the second embodiment includes an interlayer noise preventing material 100 ′ and a sound insulation sheet 200 ′.

The interlayer noise prevention material 100 ′ provided to reduce noise and vibration is configured to include an air mount 120, an expanded aluminum panel layer 130 ′, and a expanded polypropylene layer 160.

Air mount 120 is disposed on the upper surface of the floor slab (S), it is composed of a plurality of spaced apart from each other.

As shown in FIG. 11, the air mount 120 has a closed inner space 121 formed therein, and the inner space 121 is filled with air, and is a material capable of absorbing shock. The neoprene (Neoprene) is preferably composed of a material.

In addition, the support shaft 123 is preferably provided at the center of the internal space 121 of the air mount 120, and the support shaft 123 is provided to compress the internal space 121 filled with air. It prevents, and serves to support the air mount 120 made of a soft material such as neoprene.

In the second embodiment, the air mount 120 is formed in a cylindrical shape, the lid 127 is provided so that one surface is open, and the support shaft 123 is provided in the center of the bottom surface,

The air mount 120 according to the second embodiment has a different shape from the air mount 110 according to the first embodiment described above, and thus, the air mount may be variously changed according to the embodiment.

The foamed aluminum panel layer 130 ′ is stacked on the top surfaces of the plurality of air mounts 120.

The foamed polypropylene layer 160 is disposed between the bottom slab S and the foamed aluminum panel layer 130 ′, and is made of expanded polypropylene (EPP) filled in spaces spaced apart from each other by the air mounts 120. It is composed.

Expanded Polypropylene (EPP) refers to a foam (Bead type) that is cross-linked foamed polypropylene resin as a raw material, and foamed polypropylene is more brittle and repeatable than EPS (Expandable Polystyrene) due to the characteristics of polypropylene resin as a raw material. It is excellent in performance, flexibility and chemical resistance. In addition, compared to PUF (Polyurethane Foam), it is lighter and has better buffering properties.

In this embodiment, a plurality of holes 160a are formed on the bottom surface of the expanded polypropylene layer 160 so as to be spaced apart from each other, and the air mount 120 is inserted into and fixed to the holes 160a.

The sound insulating sheet 200 'is laminated on the upper surface of the interlayer noise preventing material 100' and provided for sound insulation, and may be made of a material having sound absorbing properties such as nonwoven fabric, felt, foam sheet, synthetic rubber, and the like.

Hereinafter, the construction method of the second embodiment of the present invention having the above-described configuration will be described.

First, as the first step, the air mount 120 is fitted into a plurality of holes 160a formed to be spaced apart from each other on one surface of the expanded polypropylene 160.

As a second step, while the air mount 120 is fixed to the foamed polypropylene 160 is laminated on the top of the bottom slab (S), the air mount 120 is laminated so as to be located below.

As a third step, the foamed aluminum panel 130 'is laminated on the upper surface of the expanded polypropylene layer 160.

As a fourth step, the sound insulating sheet 200 'is laminated on the upper surface of the foamed aluminum panel layer 130'.

After stacking the sound insulating sheets 200 ′, the wall cushioning material 600 may be installed along a portion where the sound insulating sheets 200 ′ and the wall surface W contact each other.

As a fifth step, the lightweight foamed concrete 300 mixed with styrofoam grains and mortar is stacked on the top surface of the sound insulation sheet layer 200 ′.

As a sixth step, the pipe 700 is disposed on the upper surface of the lightweight foamed concrete layer 300.

As a seventh step, the finishing mortar 400 is applied to the upper portion of the lightweight foamed concrete layer 300 and the pipe 700.

When the floor finishing material 500 is laid on the upper surface of the finishing mortar 200 after the seventh step, the construction of the interlayer noise preventing floor material according to the second embodiment is completed.

As described above, although described with reference to a preferred embodiment of the present invention, those skilled in the art various modifications of the present invention without departing from the spirit and scope of the invention described in the claims below. Or it may be modified.

According to the interlayer noise-proof flooring of the present invention as described above, there are the following effects.

Not only does it block lightweight impact sound by foamed aluminum panel, but also it can effectively block heavy shock sound among floor impact sound generated in the floor structure of apartments, houses, and public facilities by air mounts filled with air inside. Not only can it be expected, but the sound absorption is also excellent.

In addition, it is easy to construct, can reduce the time required for construction can be improved construction, it is possible to minimize the cost along with labor costs can be reduced production costs.

Furthermore, since the mechanical properties such as tensile strength, compressive strength, impact resistance, etc. are excellent, the service life can be extended, and the heating cost can be reduced due to high thermal conductivity.

Furthermore, there is also an electromagnetic shielding effect, which can be revived in the expectations of consumers who require well-being.

Claims (6)

In the flooring which comprises the floor of a building such as a general house or apartment, It is disposed on the upper surface of the floor slab, is composed of a plurality of spaced apart from each other, the closed inner space is formed, the air is filled in the inner space, made of a material that can absorb shocks, and a plurality of Including a foamed aluminum panel layer laminated on the upper surface of the air mount of the air slab and the air slab disposed between the floor slab and the foamed aluminum panel layer, the air filled in spaces spaced apart from each other of the air mount Is configured, interlayer noise prevention material is provided to reduce noise and vibration; And An interlayer noise prevention flooring material comprising: a sound insulation sheet laminated on an upper surface of the interlayer noise prevention material and provided for sound insulation. The method of claim 1, Interlayer noise prevention flooring, characterized in that the support shaft is provided in the center of the interior space of the air mount. The method according to claim 1 or 2, The air mount is provided with a top surface in contact with the foamed aluminum panel layer and a bottom surface in contact with the bottom slab, respectively. The upper and lower surfaces are provided with a plurality of protrusions for preventing slipping between floors. In the flooring which comprises the floor of a building such as a general house or apartment, It is disposed on the upper surface of the floor slab, is composed of a plurality of spaced apart from each other, the closed inner space is formed, the air is filled in the inner space, made of a material that can absorb shocks, and a plurality of The foamed aluminum panel layer laminated on the upper surface of the air mount of the foamed polypropylene (EPP) is disposed between the bottom slab and the foamed aluminum panel layer, and filled in spaces spaced apart from each other in the plurality of air mounts. Interlayer noise prevention material is configured to include a foamed polypropylene layer configured to prevent noise and vibration; And An interlayer noise prevention flooring material comprising: a sound insulation sheet laminated on an upper surface of the interlayer noise prevention material and provided for sound insulation. In the construction method of the flooring constituting the floor of the building, such as a general house or apartment, A first step of fixing air mounts in a plurality of grooves formed to be spaced apart from each other on one surface of the foamed aluminum panel, and fixing a portion of the air mount to protrude from the foamed aluminum panel; Stacking the foamed aluminum panel on which the air mount is fixed to an upper portion of a floor slab, and stacking the air mount so that the air mount is located below; And a third step of laminating the sound insulation sheet on the upper surface of the foamed aluminum panel layer. In the construction method of the flooring constituting the floor of the building, such as a general house or apartment, A first step of inserting and fixing an air mount in a plurality of holes formed to be spaced apart from each other on one surface of the expanded polypropylene (EPP); Stacking the expanded polypropylene on which the air mount is fixed on an upper portion of a floor slab, and laminating the air mount so that the air mount is located below; Stacking a foamed aluminum panel on an upper surface of the expanded polypropylene layer; And a fourth step of laminating the sound insulation sheet on the upper surface of the foamed aluminum panel layer.

Images