KR102570422B1 - Noise-proof flooring structure - Google Patents

Abstract

The present invention relates to an inter-floor noise reduction structure. According to the present invention, the inter-floor noise reduction structure may comprise: a concrete slab; an inter-floor member placed on top of the concrete slab; a plurality of support members spaced apart from each other and disposed on the upper part of the inter-floor member; a waterproof vinyl sheet disposed on the upper part of the support member; lightweight foam concrete placed on top of the waterproof vinyl sheet; and fireproof concrete placed on top of the lightweight foam concrete.

Description

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

The present invention relates to an inter-floor noise reduction structure.

In general, when floor impact sound is defined, when an impact generated by human walking, falling objects, children jumping or running, and moving furniture is applied to the floor, the concrete slab, which is the floor structure of the building, vibrates, and the vibration is in the air. It means that it is radiated as a sound.

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

An object of the present invention is to provide an inter-floor noise reduction structure capable of reducing inter-floor noise.

In order to achieve the above object, the present invention is a concrete slab; Interlayer members disposed on top of the concrete slab; A support member made of a plurality of pieces, spaced apart from each other and disposed on top of the interlayer member; A waterproof vinyl sheet disposed on top of the support member and fixed to the support member via a fixing member; A lightweight foamed concrete placed on top of a waterproof vinyl sheet; Fireproof concrete disposed on top of lightweight foam concrete; Support members made of a plurality of pieces, spaced apart from each other and disposed on the interlayer member; Plate-shaped buffer members installed at both ends of the support member, respectively; and a plurality of air caps spaced apart from each other and disposed between the concrete slab and the interlayer member, and the support member includes a lower plate having an upper surface in contact with a lower surface of the interlayer member; A cylindrical fixed support having a lower end integrally formed and fixed vertically to the upper surface of the lower plate and having an open hole formed on the upper surface; A cylindrical variable support whose lower end is inserted into and fixed to the inside of the fixed support through an open hole; and an upper plate to 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 interlayer member, and an insertion hole into which the variable support and the fixed support are inserted are inserted into the mounting groove to the lower end of the interlayer member, a groove is formed on the upper surface of the upper plate spaced apart from the center of the upper plate along the diameter of the upper plate, a locking protrusion is formed on the outer circumferential surface of the variable support, and a fastening groove into which the locking protrusion is inserted Formed on the inner circumferential surface of the fixed support, the fastening groove has an upper end communicating with the outside and is formed on the inner circumferential surface of the fixed support by a predetermined length from the upper end of the fixed support along the longitudinal direction of the fixed support; And a plurality of coupling grooves spaced apart from each other by a predetermined interval, one end communicating with the inlet groove and formed on the inner circumferential surface of the fixed support along the circumferential direction of the fixed support, the locking protrusion is inserted into the inlet groove, and the rotation of the upper plate An upper buffer member which is inserted into any one of a plurality of coupling grooves and disposed in tune with it, and the lower surface of the buffer member is attached to the upper surface of the upper plate so that the upper surface is in contact with the lower surface of the support member; and a lower buffer member having an upper surface 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.
In the present invention, the interlayer member may be a sound absorbing material or a buffer material.

delete

In the present invention, an air layer may be formed between the support members.

delete

delete

The inter-floor noise reduction structure according to the present invention can prevent moisture from penetrating into the inter-floor member when lightweight foam concrete is placed through the waterproof vinyl sheet.

In addition, it is possible to increase the sound absorption effect by dispersing and canceling the noise transmitted to the concrete slab and the wall surface through the lightweight foamed concrete, the interlayer member, and the side member.

In addition, an air layer may be formed between the supporting members by the waterproof vinyl sheet fixed to the supporting member, and the sound absorption effect may be further enhanced by the air layer.

1 and 2 are schematic cross-sectional views of an inter-floor noise reduction structure according to an embodiment of the present invention.
FIG. 3 is an enlarged view of 'A' shown in FIG. 1 .
4 is a schematic cross-sectional view showing a state in which a support member is disposed on the interlayer member shown in FIGS. 1 and 2;
5 is an exploded perspective view of the support member shown in FIG. 4;
6 is a perspective view showing a state in which the support member shown in FIG. 4 is installed in an interlayer member.
7A to 7C are schematic views illustrating a state in which the variable support shown in FIG. 5 is fixed to a fixed support.

In order to explain in detail to the extent that those skilled in the art can easily practice the technical idea of the present invention, the most preferred embodiments of the present invention will be described with reference to the accompanying drawings.

First, in adding reference numerals to components of each drawing, it should be noted that the same components have the same numerals as possible even if they are displayed 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 will be omitted.

Prior to the detailed description of the present invention, in the direction expressed in the following content, the upper part of the "upper part" is a direction toward the interlayer member 110 with respect to the concrete slab 10 shown in FIG. 1, " The bottom of "lower" is defined as the direction toward the concrete slab 10 based on the interlayer member 110.

Hereinafter, an inter-floor noise reduction structure according to an embodiment of the present invention will be described with reference to FIGS. 1 to 7C.

1 and 2 are schematic cross-sectional views of an inter-floor noise reduction structure according to an embodiment of the present invention, and FIG. 3 is an enlarged view of 'A' shown in FIG.

1 to 3, the inter-floor noise reduction structure is composed of a concrete slab 10, an interlayer member 110 disposed on top of the concrete slab 10, and a plurality of interlayer members 110 spaced apart from each other. ) It may include a support member 120 disposed on top of.

In addition, the interlayer noise reduction structure is a waterproof vinyl sheet 130 disposed on the upper portion of the support member 120, a lightweight aerated concrete 140 disposed on the upper portion of the waterproof vinyl sheet 130, and the lightweight aerated concrete ( 140) may include a barrier concrete 40 disposed on top.

In addition, the inter-floor noise reduction structure may include a side member 30 disposed in contact with the wall surface 20 and a heating pipe 41 formed of a plurality of pieces and spaced apart from each other and disposed in the communication concrete 40.

The supporting member 120 may be a wooden block having a certain rigidity, such as wood, and the waterproof vinyl sheet 130 may be fixed to the supporting member 120 via a fixing member P.

As the fixing member P, as shown in FIG. 3, a taka may be used, but not limited thereto, and a known fixing member such as a nail or piece may be used.

That is, when pouring the lightweight foamed concrete 140 through the waterproof vinyl sheet 130, it is possible to prevent moisture from penetrating into the interlayer member 110.

In addition, the noise transmitted to the concrete slab 10 and the wall surface 20 through the lightweight foamed concrete 140, the interlayer member 110, and the side member 30 can be dispersed and offset to increase the sound absorption effect. .

In addition, an air layer 121 may be formed between the supporting members 120 by the waterproof vinyl sheet 130 fixed to the supporting member 120, and the sound absorption effect may be further enhanced by the air layer 121 can

Here, in consideration of the load of the lightweight foamed concrete 140, the waterproof vinyl sheet 130 may sag between the supporting members 120 in a state in which it is spread over the supporting member 120 to form a hemispherical shape.

In addition, the air layer 121 may be formed between the hemispherical waterproof vinyl sheet 130 and the supporting member 120 .

The waterproof vinyl sheet 130 may be formed of a known synthetic resin material such as polyester, but is not limited thereto, and any waterproof material may be used.

As the interlayer member 110, for example, as shown in FIG. 1, a buffer material 110a may be used.

The buffer material 110a is manufactured in a plate shape, and E.V.A (Ethylene Vinyl Acetate) foam, PE foam, P.P. Foam, PU foam, PVC foam, EPS foam, EVA resin raw material, and other synthetic resins and rubber foam products may be formed of at least one material, but not limited thereto, and all materials capable of dispersing noise may be used. do.

In addition, as another example of the interlayer member 110, as shown in FIG. 2, a sound absorbing material 110b may be used.

The sound absorbing material 110b is manufactured in a plate shape, and may be formed of at least one or more of a known synthetic resin material such as polyurethane and a known textile material such as nonwoven fabric, but is not limited thereto, and is a material capable of dispersing noise. are all available.

In addition, the side member 30 may also use the same buffer material or sound absorbing material as the interlayer member 110 .

For example, the concrete slab 10 is most preferably composed of 210 mm or more, the lightweight aerated concrete 140 is 40 mm or more, and the air-tight concrete 40 is 40 mm or more, but is not limited thereto, and the construction environment and conditions, etc. Thickness can be adjusted accordingly.

In addition, it is most preferable that the interlayer member 110, the lightweight foamed concrete 140, and the air-tight concrete 40 each have a thickness of 30 mm or more, but it is not limited thereto, and the thickness can be adjusted according to the construction environment and conditions.

4 is a schematic cross-sectional view showing a state in which support members are disposed on the interlayer members shown in FIGS. 1 and 2, FIG. 5 is an exploded perspective view of the support member shown in FIG. 4, and FIG. 6 is a support member shown in FIG. It is a perspective view showing the state in which is installed in the interlayer member.

7A to 7C are schematic diagrams illustrating a state in which the variable support shown in FIG. 5 is fixed to the fixed support.

4 to 7c, the interlayer noise reduction structure prevents the interlayer member 110 from sinking due to the load of the lightweight aerated concrete 140 or the air-tight concrete 40, the interlayer member 110 ) It may further include at least one support member 150 disposed on, and a plurality of air caps 160 disposed between the concrete slab 10 and the interlayer member 110.

The width of the support member 150 should be adjusted according to the thickness of the interlayer member 110 .

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

In addition, the support member 150 includes a variable support 153 whose lower end is inserted into and fixed to the fixed support 152, and an upper portion where the upper end of the variable support 153 is vertically integrally formed and fixed to the lower surface. Plate 154 may be included.

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

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

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

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

More specifically, the fastening groove 157 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 and the upper end communicates with the outside. It may include an inlet groove (157a) to be.

In addition, the fastening grooves 157 are formed of a plurality of pieces and are spaced apart from each other by a predetermined distance, and one end communicates with the inlet groove 157a and is formed on the inner circumferential surface of the fixed support 152 along the circumferential direction of the fixed 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 interlayer member 110, and the variable support 153 extends from the mounting groove 111 to the lower end of the interlayer member 110. An insertion hole 112 into which the fixed support 152 is inserted may be formed.

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

Thereafter, the variable support 153 is inserted into the fixed support 152, the protrusion 155 is inserted into the inlet groove 157a, and the upper plate 154 is inserted into the installation groove 111. In accordance with the thickness of the interlayer member 110, the locking protrusion 155 may be disposed in any one of the plurality of coupling grooves 157b along the inlet groove 157a.

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

A recess 158 may be formed on an upper surface of the upper plate 154 and spaced apart from the center of the upper plate 154 along a radial direction of the upper plate 154 .

Therefore, the operator can rotate the upper plate 154 more easily with his/her finger inserted into the groove 158 to insert the protrusion 155 into the coupling groove 157b.

And, after the arrangement 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 supporting member 120 .

The inter-floor noise reduction structure includes a buffer member 170 composed of 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. can include more.

That is, by offsetting the shock applied to the support member 150 through the buffer member 170, the fatigue of the support member 150 can be reduced and the sound absorption effect can be enhanced, so that the support member 150 As a result, it is possible to prevent the phenomenon of sound bridge from occurring.

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

If the buffer member 170 is installed on the upper plate 154, after the arrangement of the support member 150 is completed, the upper surface of the buffer member 170 is in contact with the lower surface of the support member 120. can

As described above, the interlayer noise reduction structure according to an embodiment of the present invention can prevent moisture from penetrating into the interlayer member when lightweight foam concrete is placed through the waterproof vinyl sheet.

In addition, it is possible to increase the sound absorption effect by dispersing and canceling the noise transmitted to the concrete slab and the wall surface through the lightweight foamed concrete, the interlayer member, and the side member.

In addition, an air layer may be formed between the supporting members by the waterproof vinyl sheet fixed to the supporting member, and the sound absorption effect may be further enhanced by the air layer.

As described above, the optimal embodiment has been disclosed in the drawings and specifications. Although specific terms have been used herein, they are only used for the purpose of describing the present invention and are not used to limit the scope of the present invention described in the claims. Therefore, those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, 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 surface
110: interlayer member 120: support member
130: waterproof vinyl sheet 140: lightweight foam concrete
150: support member 160: air cap
170: buffer member

Claims (5)

concrete slab;
An interlayer member disposed above the concrete slab;
A support member made of a plurality of pieces, spaced apart from each other and disposed on top of the interlayer member;
a waterproof vinyl sheet disposed above the support member and fixed to the support member via a fixing member;
A lightweight foamed concrete placed on top of the waterproof vinyl sheet;
Air-tight concrete disposed on top of the lightweight foamed concrete;
Support members made of a plurality of pieces, spaced apart from each other and disposed on the interlayer member;
Plate-shaped buffer members installed at both ends of the support member, respectively; and
Air caps made of a plurality of, spaced apart from each other and disposed between the concrete slab and the interlayer member;
including,
The support member is
a lower plate whose upper surface is in contact with the lower surface of the interlayer member;
A cylindrical fixed support having a lower end integrally formed and fixed vertically to the upper surface of the lower plate and having an open hole formed on the upper surface;
a cylindrical shape variable support having a lower end inserted into and fixed to the inside of the fixed support through the opening; and
an upper plate to which an 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 interlayer member,
An insertion hole into which the variable support and the fixed support are inserted is formed from the installation groove to the lower end of the interlayer member,
A groove is formed on the upper surface of the upper plate at a distance from the center of the upper plate along the diameter of the upper plate,
A locking protrusion is formed on the outer circumferential surface of the variable support,
A fastening groove into which the locking protrusion is inserted is formed on the inner circumferential surface of the fixed support,
The fastening groove,
an inlet groove whose upper end communicates with the outside and is formed on an inner circumferential surface of the fixed support by a predetermined length from the upper end of the fixed support along the longitudinal direction of the fixed support; and
A plurality of coupling grooves spaced apart from each other by a predetermined interval, one end communicating with the inlet groove and formed on the inner circumferential surface of the fixed support along the circumferential direction of the fixed support;
including,
The stumbling block 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 buffer member whose lower surface is attached to the upper surface of the upper plate and whose upper surface is in contact with the lower surface of the supporting member; and
a lower buffer member having an upper surface attached to a lower surface of the lower plate and having a lower surface in contact with an upper surface of the concrete slab;
Inter-floor noise reduction structure comprising a.
According to claim 1,
The interlayer member,
Inter-floor noise reduction structure that is a sound absorbing material or a buffer material.
According to claim 1,
An interlayer noise reduction structure in which an air layer is formed between the support members.
delete delete