KR102419116B1 - Noise-proof flooring structure - Google Patents

Abstract

The present invention relates to an inter-floor noise reduction structure capable of reducing inter-floor noise. According to the present invention, the inter-floor noise reduction structure may comprise: a concrete slab; a floor buffer placed on top of the concrete slab; support members made of a plurality of pieces, spaced apart from each other and disposed on top of the floor buffer; a fabric layer disposed on top of the support member; and finishing mortar disposed on top of the fabric layer.

Description

Inter-floor noise reduction structure {NOISE-PROOF FLOORING STRUCTURE}

The present invention relates to an interlayer noise reduction structure.

In general, when the floor impact sound is defined, the concrete slab, the floor structure of the building, vibrates when an impact caused by human walking, falling objects, children's jumping or running, or moving furniture is applied to the floor, and the vibration is in the air. It is said to be emitted as a sound.

Such floor impact noise causes inter-floor noise in apartment houses, and due to this, disputes and civil complaints between neighbors are increasing. Therefore, it is urgent to develop a floor structure that can solve this.

It is an object of the present invention to provide a structure for reducing noise between floors that can reduce noise between floors.

In order to achieve the above object, the present invention is a concrete slab; floor cushioning material disposed on the top of the concrete slab; a support member made of a plurality and spaced apart from each other and disposed on the floor cushioning material; a fabric layer disposed on the upper surface of the support member and fixed to the support member via the fixing member; Finishing mortar disposed on top of the fabric layer; a plurality of support members spaced apart from each other and disposed on the floor cushioning material; a buffer member in the form of a plate installed at both ends of the support member; and a plurality of air caps spaced apart from each other and disposed between the concrete slab and the floor cushioning material, wherein the supporting member includes a lower plate having a lower surface in contact with an upper surface of the concrete slab and a lower surface having an upper surface in contact with a lower surface of the floor cushioning material; The lower end is integrally formed and fixed to the upper surface of the lower plate, the fixed support of the cylindrical shape having an open hole formed on the upper surface; A cylindrical variable support in which the lower end is inserted and fixed inside the fixed support through an open hole; and an upper plate in which the upper end of the variable support is vertically integrally formed and fixed to the lower surface, a mounting groove into which the upper plate is inserted is formed on the upper surface of the floor cushioning material, and an insertion hole into which the variable support and the fixed support are inserted is a mounting groove is formed from the bottom to the lower end of the cushioning material, a groove is formed on the upper surface of the upper plate spaced apart from the center of the upper plate along the radial direction of the upper plate, and a locking projection is formed on the outer peripheral surface of the variable support, and a fastening groove into which the locking projection is inserted. Doedoe formed on the inner circumferential surface of the fixed support, the fastening groove has an upper end communicating with the outside and in the longitudinal direction of the fixed support, an inlet groove formed on the inner circumferential surface of the fixed support by a predetermined length from the upper end of the fixed support; and a plurality of doedoe spaced apart from each other by a predetermined distance, one end communicating with the inlet groove, and a coupling groove formed on the inner circumferential surface of the fixed support along the circumferential direction of the fixed support. an upper cushioning member inserted and disposed in any one of the plurality of coupling grooves in synchronization with the buffer member, wherein the lower surface of the buffer member is attached to the upper surface of the upper plate and the upper surface is in contact with the lower surface of the support member; and a lower cushioning member whose upper surface is attached to the lower surface of the lower plate so that the lower surface is in contact with the upper surface of the concrete slab.
The present invention can form an air layer between the support members.

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The noise reduction structure between floors according to the present invention can reduce the noise between floors by offsetting the noise transmitted to the concrete slab through the floor cushioning material disposed between the concrete slab and the lightweight aerated concrete.

1 to 5 are schematic cross-sectional views of the interlayer noise reduction structure according to the first to fifth embodiments of the present invention sequentially.
6 is a plan view of the plywood shown in FIGS. 3 to 5 .
7 is a schematic cross-sectional view of an interlayer noise reduction structure according to a sixth embodiment of the present invention.
8 is an enlarged view of 'A' shown in FIG.
9 is a schematic cross-sectional view of the floor cushioning material shown in FIGS. 1 to 5 and 7 .
10 is an exploded perspective view of the support member shown in FIG.
11 is a perspective view illustrating a state in which the support member shown in FIG. 9 is installed on the floor cushioning material.
12A to 12C are schematic views showing a state in which the variable support shown in FIG. 9 is fixed to the fixed support.

In order to describe in detail enough that a person of ordinary skill in the art to which the present invention pertains can easily implement the technical idea of the present invention, the most preferred embodiment of the present invention will be described with reference to the accompanying drawings.

First of all, it should be noted that in adding reference numerals to the components of each drawing, the same components are given the same reference numerals as possible even if they are indicated on different drawings.

In addition, in describing the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

In the direction expressed in the content to be described below prior to the detailed description of the present invention, the upper portion of the "upper" is the direction toward the floor cushioning material 110 with reference to the concrete slab 10 shown in FIG. The lower part of "lower" is defined in the direction toward the concrete slab 10 side with respect to the floor cushioning material 110.

Hereinafter, an interlayer noise reduction structure according to the first to sixth embodiments of the present invention will be described with reference to FIGS. 1 to 12C.

1 to 5 are schematic cross-sectional views of the interlayer noise reduction structure according to the first to fifth embodiments of the present invention sequentially, and FIG. 6 is a plan view of the plywood shown in FIGS. 3 to 5 .

Referring to FIG. 1 , the first embodiment of the inter-floor noise reduction structure 100-1 is a concrete slab 10, a floor cushioning material 110 stacked on top of the concrete slab 10, and the floor cushioning material 110 ) may include a lightweight foamed concrete 120 that is poured on top of the laminated arrangement.

In addition, the interlayer noise reduction structure 100-1 is a finishing mortar 130 that is poured on top of the lightweight foam concrete 120 and is stacked, and a finishing material 30 that is stacked on top of the finishing mortar 130. , it may include a side cushioning material 40 disposed in contact with the wall surface (20).

That is, the noise transmitted to the concrete slab 10 and the wall surface 20 through the lightweight foam concrete 120 , the floor cushioning material 110 , and the side cushioning material 40 can be offset to reduce the noise between floors.

The inter-floor noise reduction structure 100-1 further includes a plurality of wooden beams 12 that are spaced apart from each other by a predetermined interval on the upper portion of the floor cushioning material 110, and the square wood 12 is the floor cushioning material 110. ), the lightweight foamed concrete 120 can be poured in a state disposed in the position, and the sound absorption effect can be increased through the square wood 12 .

The floor cushioning material 110 and the side cushioning material 40 are manufactured in a plate shape, and are made of E.V.A (Ethylene Vinyl Acetate) foam, PE foam, and P.P. It may be formed of at least one of foam foam, PU foam foam, PVC foam foam, EPS foam foam, EVA resin material, other synthetic resins, and rubber foam products, but is not limited to this, and any material capable of dispersing noise can be used do.

As the finishing material 30, well-known finishing materials such as steel flooring and tiles may be used, and the floor cushioning material 110, the side cushioning material 40, and the finishing material 30 included in an embodiment of the interlayer noise reduction structure to be described below. ) is the same, so a detailed description thereof will be omitted.

For example, it is most preferable that the concrete slab 10 is 210 mm or more, the lightweight aerated concrete 120 is 40 mm or more, and the finishing mortar 130 is 40 mm or more. The thickness can be adjusted accordingly.

And, it is most preferable that the thickness of the floor cushioning material 110 is 30 mm or more, but the thickness is not limited thereto, and the thickness can be adjusted according to the construction environment and conditions.

Referring to FIG. 2 , the second embodiment of the interfloor noise reduction structure 100-2 is a heating structure, and in the first embodiment described above, the heating pipe 50 is spaced apart from each other on the upper part of the lightweight foam concrete 120 . The finishing mortar 130 may be poured and finished in the state in which it is disposed.

Referring to FIG. 3, the third embodiment of the interlayer noise reduction structure 100-3 is the concrete slab 10, the floor cushioning material 110 and the floor cushioning material stacked on the concrete slab 10. It may include a plywood 140 that is stacked on top of the 110 .

In addition, the interlayer noise reduction structure 100-3 is the lightweight foam concrete 120 that is poured on top of the plywood 140 and is stacked, and the lightweight foam concrete 120 is poured on top of the foamed concrete 120 and is stacked. It may include a finishing mortar 130 , the finishing material 30 stacked on top of the finishing mortar 130 , and the side cushioning material 40 disposed in contact with the wall surface 20 .

The plywood 140 may be, for example, a water-resistant plywood, and a plurality of through holes 141 may be formed to be spaced apart from each other, thereby enhancing the sound absorption effect.

Referring to FIG. 4 , the fourth embodiment of the inter-floor noise reduction structure 100-4 is a heating structure. In the third embodiment described above, the heating pipe 50 is connected to the upper part of the lightweight foam concrete 120. The finishing mortar 130 may be poured and finished in a state spaced apart.

Referring to FIG. 5, the fifth embodiment of the inter-floor noise reduction structure 100-5 is a bathroom structure, and the floor cushioning material 110 is laminated on the concrete slab 10 and the concrete slab 10. , it may include a protective mortar 131 that is poured on top of the floor cushioning material 110 and is stacked.

And, the interlayer noise reduction structure (100-5) is the plywood 140 stacked on top of the protective mortar 131, the gradient mortar 132 that is poured on top of the plywood 140 and stacked, It may include the finishing material 30 stacked on top of the gradient mortar 132 .

The gradient mortar 132 is a cement mortar for constructing the finishing material 30 such as tiles on the bathroom floor, and a gradient may be formed toward the drain for smooth drainage.

The protective mortar 131 is a cement mortar constructed to protect the waterproofing layer. It is located between the waterproofing layer 11 formed between the concrete slab 10 and the floor cushioning material 110 and the finishing material 30 and the finishing material ( 30) can be prevented from being damaged during the construction of the waterproof layer 11 .

7 is a schematic cross-sectional view of an interlayer noise reduction structure according to a sixth embodiment of the present invention, and FIG. 8 is an enlarged view of 'A' shown in FIG.

7 and 8, the sixth embodiment of the inter-floor noise reduction structure 100-6 includes the concrete slab 10, the floor cushioning material 110 disposed on the concrete slab 10, and a plurality of pieces. and may include a support member 180 spaced apart from each other and disposed on the floor cushioning material 110 .

In addition, the interlayer noise reduction structure 100 - 6 may include a fabric layer 190 disposed on the support member 180 and a finishing mortar 130 disposed on the fabric layer 190 . have.

The support member 180 may be a piece of wood having a certain rigidity, such as wood, and the support member 180 may have the fabric layer 190 fixed thereto via a fixing member P as a medium.

The fixing member (P) may be used as shown in Figure 8, but is not limited thereto, and a known fixing member such as a nail or a piece may be used.

That is, an air layer 181 may be formed between the support members 180 by the fabric layer 190 fixed to the support member 180 , and sound is absorbed by the fabric layer 190 and the air layer 181 . It can increase the effect.

Here, in consideration of the load of the finishing mortar 130 , the fabric layer 190 droops between the supporting members 180 in a hemispherical shape in a state in which the fabric layer 190 is spread on the upper portion of the supporting member 180 . The air layer 181 may be formed between the hemispherical fabric layer 190 and the support member 180 .

9 is a schematic cross-sectional view of the floor cushioning material shown in FIGS. 1 to 5 and 7 , and FIG. 10 is an exploded perspective view of the support member shown in FIG. 9 .

And, FIG. 11 is a perspective view showing a state in which the support member shown in FIG. 9 is installed on the floor cushioning material, and FIGS. 12A to 12C are schematic views showing a state in which the variable support shown in FIG. 9 is fixed to the fixed support.

9 to 12c, the interlayer noise reduction structure 100-1 to 6 prevents the subsidence of the floor cushioning material 110 due to the load of the lightweight foam concrete 120 or the finishing mortar 130. To this end, at least one support member 150 disposed on the floor cushioning material 110 and a plurality of air caps 160 disposed between the concrete slab 10 and the floor cushioning material 110 may be further included.

The support member 150 is preferably made of a size corresponding to the thickness of the floor cushioning material 110 , and accordingly, the width of the support member 150 should be adjusted according to the thickness of the floor cushioning material 110 .

To this end, the support member 150 includes a lower plate 151 with a lower surface in contact with the concrete slab 10, and a fixed support 152 with a lower end formed integrally with the upper surface of the lower plate 151 and fixed thereto. may include

In addition, the support member 150 has a lower end of the variable support 153 inserted into the fixed support 152 to be fixed, and an upper end of the variable support 153 on the lower surface of which the upper end is vertically integrally formed and fixed. A plate 154 may be included.

The support member 150 may be manufactured using a known material having a certain rigidity, such as iron, in order to withstand the load applied to the floor cushioning material 110 .

The fixed support 152 and the variable support 153 have a cylindrical shape, and the variable support 153 is more than the fixed support 152 so that the variable support 153 can be inserted into the fixed support 152 . It may be formed to have a relatively small volume.

A locking protrusion 155 is formed on the outer peripheral surface of the variable support 153 , and the variable support 153 is formed on the upper surface of the fixed support 152 through an open hole 156 of the fixed support 152 . It can be inserted inside.

A fastening groove 157 into which the locking protrusion 155 is inserted may be formed on the inner circumferential surface of the fixing support 152 .

More specifically, the upper end of the fastening groove 157 communicates with the outside and is formed on the inner circumferential surface of the fixed support 152 by a predetermined length from the upper end of the fixed support 152 along the longitudinal direction of the fixed support 152 . It may include an inlet groove (157a) to be.

In addition, the fastening grooves 157 are formed in plurality and are spaced apart by a predetermined distance from each other, and one end communicates with the inlet groove 157a and along the circumferential direction of the fixing support 152 on the inner circumferential surface of the fixing support 152. It may include a coupling groove (157b) formed.

A mounting groove 111 into which the upper plate 154 is inserted is formed on the upper surface of the floor cushioning material 110, and the variable support 153 from the mounting groove 111 to the lower end of the floor cushioning material 110 and An insertion hole 112 into which the fixing support 152 is inserted may be formed.

That is, in a state in which the air cap 160 is disposed on the upper surface of the concrete slab 10, the fixing support 152 is inserted into the insertion hole 112 so that the lower plate 151 is inserted into the floor cushioning material ( 110) is in contact with the lower surface.

Thereafter, the variable support 153 is inserted into the fixed support 152 , the locking protrusion 155 is inserted into the inlet groove 157a , and the upper plate 154 is inserted into the holding groove 111 . Accordingly, the locking protrusion 155 may be disposed in any one of the plurality of coupling grooves 157b along the inlet groove 157a to match the thickness of the floor cushioning material 110 .

Thereafter, as the variable support 153 rotates in synchronization with the rotation of the upper plate 154 , the locking protrusion 155 may be inserted into the coupling groove 157b.

A recess 158 may be formed on the upper surface of the upper plate 154 to be spaced apart from the center of the upper plate 154 in the radial direction of the upper plate 154 .

Accordingly, the operator can more easily rotate the upper plate 154 while inserting a finger into the recess 158 to insert the locking protrusion 155 into the coupling groove 157b.

And, after the disposition of the support member 150 is completed, the upper surface of the upper plate 154 may be in contact with the lower surface of the lightweight foam concrete 120 or may be in contact with the lower surface of the support member 180 .

The interlayer noise reduction structure 100-1 to 6 includes an upper buffer member 171 installed on the upper surface of the upper plate 154 and a lower buffer member 172 installed on the lower surface of the lower plate 151. It further includes a buffer member 170 made of, and can reduce the fatigue of the support member 150 by offsetting the impact applied to the support member 150 through the buffer member 170, and increase the sound absorption effect It is possible to prevent the occurrence of the phonation phenomenon due to the support member 150 .

The buffer member 170 has a plate-like shape and may be manufactured using the same material as the floor cushioning material 110, and is attached to the upper plate 154 and the lower plate 151 using a known adhesive member such as an adhesive. can be installed.

If the buffer member 170 is installed on the upper plate 154, after the disposition of the support member 150 is completed, the upper surface of the buffer member 170 is on the lower surface of the lightweight foam concrete 120. or may be in contact with the lower surface of the support member 180 .

As described above, the noise reduction structure between floors according to various embodiments of the present invention cancels the noise transmitted to the concrete slab through the floor cushioning material disposed between the concrete slab and the lightweight aerated concrete, thereby reducing the noise between floors.

As described above, the best embodiment has been disclosed in the drawings and the specification. Although specific terms are used herein, they are used only for the purpose of describing the present invention and are not used to limit the meaning or the scope of the present invention described in the claims. Therefore, it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible therefrom. Accordingly, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

10: concrete slab 20: wall
100-1~6: noise reduction structure between floors 110: floor cushioning material
120: lightweight foam concrete 130: finishing mortar
140: plywood 150: support member
160: air cap 170: buffer member
180: support member 190: fabric layer

Claims (5)

concrete slab;
a floor cushioning material disposed on the top of the concrete slab;
a support member made of a plurality and spaced apart from each other and disposed on the floor cushioning material;
a fabric layer disposed on the upper surface of the support member and fixed to the support member via a fixing member;
a finishing mortar disposed on the fabric layer;
a plurality of support members spaced apart from each other and disposed on the floor cushioning material;
a buffer member in the form of a plate installed at both ends of the support member, respectively; and
Air caps made of a plurality and spaced apart from each other and disposed between the concrete slab and the floor cushioning material;
including,
The support member is
a lower plate having a lower surface in contact with the upper surface of the concrete slab and having an upper surface in contact with a lower surface of the floor cushioning material;
a cylindrical fixing support having a lower end formed integrally with the upper surface of the lower plate and fixed thereto, and an open hole is formed on the upper surface;
a cylindrical variable support having a lower end inserted into and fixed to the fixing support through the open hole; and
an upper plate in which the upper end of the variable support is vertically integrally formed and fixed to a lower surface;
including,
A mounting groove into which the upper plate is inserted is formed on the upper surface of the floor cushioning material,
An insertion hole into which the variable support and the fixed support are inserted is formed from the mounting groove to the lower end of the floor cushioning material,
A groove is formed on the upper surface of the upper plate spaced apart from the center of the upper plate along the radial direction of the upper plate,
A locking projection is formed on the outer peripheral surface of the variable support,
A fastening groove into which the locking protrusion is inserted is formed on the inner circumferential surface of the fixing support,
The fastening groove is
an inlet groove having an upper end communicating with the outside and formed on an inner circumferential surface of the fixed support by a predetermined length from the upper end of the fixed support in a longitudinal direction of the fixed support; and
a plurality of coupling grooves spaced apart from each other by a predetermined distance, one end communicating with the inlet groove and formed on the inner circumferential surface of the fixing support along the circumferential direction of the fixing support;
including,
The obstacle is
It is inserted into the inlet groove, and is inserted and disposed in any one of the plurality of coupling grooves in synchronization with the rotation of the upper plate,
The buffer member,
an upper cushioning member having a lower surface attached to the upper surface of the upper plate and having an upper surface in contact with a lower surface of the supporting member; and
a lower cushioning member having an upper surface attached to the lower surface of the lower plate and having a lower surface in contact with the upper surface of the concrete slab;
Inter-floor noise reduction structure comprising a.
delete The method of claim 1,
An interlayer noise reduction structure in which an air layer is formed between the support members.
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