KR101348392B1 - Impact sound insulating structure of apartment - Google Patents

Abstract

The present invention provides a structure for insulating noises between floors of apartment houses which comprises: an indoor structure including a lower indoor structure and an upper indoor structure which are placed on top of each other and composed of a buffering space sandwiched therebetween; a noise measuring unit which is arranged inside the buffering space and which measures the noises from multiple predetermined regions inside the buffering space; a noise buffering unit which is placed under the noise measuring unit and which has air injection units changeable in size according to positions corresponding to the multiple regions; noise dispersion units which are arranged in between the lower end of the lower indoor structure and the noise measuring unit, and in between the noise buffering unit and the upper end of the lower indoor structure, and which disperse noises from the multiple positions; and a buffering-air injection unit for injecting air into the air injection units to form the predetermined amount of the air according to noise values measured at the multiple regions by using the noise measuring unit.

Description

IMPACT SOUND INSULATING STRUCTURE OF APARTMENT}

The present invention relates to a floor noise preventing structure for a multi-family house, and more particularly to a floor noise preventing structure for a multi-family house that can actively mitigate and absorb the noise according to the level of the level of the floor noise generated for each area.

In general, a common construction method of two-story or more buildings such as apartments or multi-unit houses is to construct concrete slabs according to the number of floors of the building to complete the basic construction, and then arrange heating pipes on the concrete slabs at regular intervals. In the construction of gravel and cement mortar to a predetermined thickness.

As the slab that divides the floors and floors of multi-storey multi-storey buildings such as apartments and high-rise buildings is constructed of concrete only, the noise and shock generated inside the relevant floor of the building are directly lowered through the interlayer slabs. Is passed to.

In general, the impact sound applied to the building structure of apartment houses such as apartments and villas is transmitted to all directions by solid walking sound generated by people walking, opening and closing doors, moving objects, starting or stopping equipment, etc. This causes the surface of the building structure to vibrate, as well as being converted to air transmission sound, which is perceived as noise when it is heard by people around it.

For example, an impact such as a drop of an object is applied to the floor or a movement of a chair generates a solid transmission sound, and the solid transmission sound is transmitted to the lower floor through the floor slab.

Nowadays, the problem of floor noise has emerged seriously in apartment houses, and the government has announced that it will impose penalties for neighboring noise-induced acts by applying the neighboring crimes of the misdemeanor punishment law, and even struggling between neighbors with floor noise. As a result, regulations on housing construction standards have been strengthened and revised.

The regulations stipulate that the floor impact sound between floors should be less than 58 decibels (dB) and the weight impact sound should be less than 50 decibels (dB) or standard floor structure as determined and announced by the Minister of Construction and Transportation.

As such, conventional interlayer floor structures are proposed for minimizing and minimizing severely generated interlayer noise, which is based on a concrete slab 1, as shown in FIG. Lightweight foam concrete layer (2) is formed on the upper part, and heating pipe (3) and finishing mortar layer (4) are formed on the upper part, and the floor decorative layer (5) made of decorative materials such as monolium, solid wood, and tiles thereon (5). It is composed of

However, the interlayer floor structure above, but the lightweight foam concrete layer formed on the top of the concrete slab is responsible for attenuating the noise, the situation is not properly absorb or block the noise, such as light impact sound and heavy impact sound.

Therefore, when the building is constructed with such a conventional floor structure, the noise and vibration caused by the impact applied to the floor, for example, by the children running around on the upper floor, are immediately transmitted to the lower floor. As a result, the comfort of the building is greatly reduced. Will be.

Due to this, in order to more effectively block noise or impact, a construction method for forming an interlayer noise preventing material between the concrete slab and lightweight foamed concrete has been developed.

Such an interlayer noise prevention material is usually made of a resin material, and provides a floating structure to form an air layer by forming protrusions on the bottom surface.

The hardness of the interlayer noise preventing material and the projections is formed to be 40 or less than 80.

However, since the hardness of the interlayer noise preventing material and the protrusion is about 20 to 40, it is very flexible and excellent in elasticity. In fact, the existing layer of noise preventing material is laid on the slab surface of the apartment house, and light weight foam concrete and finishing mortar are placed on it. When pressed under the weight of lightweight concrete and mortar (170kg per 1m × 1m), interlayer noise prevention material and projections are attached to the slab surface, and no air layer is formed, and the function to block vibration and noise is lost. The reality is that it is very slight.

In addition, the air layer may be formed when the hardness of the interlayer noise preventing material and the protrusion is 80 or more, but the noise is secured by the air layer because the protrusion is attached to the slab surface and the noise is transmitted through the strong interlayer noise preventing material and the protrusion. There are many kinds of noise prevention materials that are currently used, which have canceled the blocking effect, but there are many kinds and various kinds of noise preventing materials because they are laid on the concrete slab surface of the apartment house. For example, the existing interlayer noise prevention material is mainly in the form of laying styrofoam insulation or other synthetic resin foam sheet on the slab surface of the multi-family house and placing lightweight foam concrete and mortar on it, there is a disadvantage that the noise is not blocked and transmitted.

An object of the present invention is to provide an inter-floor noise preventing structure for a multi-family house that can actively mitigate and absorb the noise according to the level of the inter-layer noise generated for each area.

In a preferred aspect, the present invention provides an indoor structure comprising a lower indoor structure and an upper indoor structure stacked on top of each other and having a buffer space therebetween; A noise measuring unit disposed in the buffer space and measuring noise in a plurality of areas preset in the buffer space; A noise absorbing part stacked on a lower part of the noise measuring part and having air injecting parts having a variable size at positions corresponding to the plurality of areas; A noise dispersing unit disposed between the lower end of the upper indoor structure and the noise measuring unit and between the noise buffer unit and the upper end of the lower indoor structure, and dispersing noise at a plurality of positions; And a buffer air injection unit for injecting air into the air injection units so that a predetermined air injection amount is formed according to the noise values measured in the plurality of areas from the noise measurement unit.

The noise measuring unit is disposed on a lower surface of the lower indoor structure and is divided into a plurality of areas, and is disposed inside the fixing panel, and is disposed in the plurality of areas, respectively, to measure the noise value to measure the buffer air. It is desirable to have a number of sound level meters that transmit to the injection section.

The sound absorbing portion is formed of an elastic material, is attached to the lower surface of the fixed panel, the buffer pad is formed therein the air inlet to be disposed in a position corresponding to the plurality of areas and the air inlet It is preferable to have a plurality of air injection passages exposed through the side of the buffer pad to allow air injection.

The buffer air injection unit includes a plurality of air injection pipes connected to each of the plurality of air injection paths, a plurality of valves installed in the plurality of air injection pipes, and opening and closing the air injection paths, and the plurality of air injections. It is installed in the pipe, and pumps the outside air and forcibly injecting the air inlet portion, and the plurality of valves and the controller for driving the plurality of pumps, the air injection amount to the noise level is provided in advance.

Preferably, the controller controls the driving of the plurality of valves and the plurality of pumps to inject air into the air injection portions so that a predetermined air injection amount is formed according to the noise values measured in the plurality of areas.

The noise dispersing unit is provided between a first concrete layer provided on a lower surface of the upper indoor structure, the first concrete layer, and the fixing panel, and has an embossed first shape inserted into the first concrete layer. An elastic first elastic layer having protrusions, a second concrete layer disposed between the upper end of the lower indoor structure, the second concrete layer, and the buffer pad, and inserted into the second concrete layer. A second elastic layer of elasticity having second embossed second protrusions disposed therein;

The first protrusions and the second protrusions preferably disperse noise and impact.

In addition, a noise reflector is further installed between the lower surface of the upper indoor structure and the first concrete layer.

The noise reflector includes a plate-shaped base provided on an upper surface of the first concrete layer, and a groove structure forming a plurality of grooves opened upwardly on an upper surface of the base.

The groove structure is formed to form a hexagonal wall in an upright state on the base, the hexagonal walls are formed to be spaced apart from each other along the upper side, and the noise reflection plate is installed on the inner wall of the hexagonal wall.

The present invention has the effect of actively mitigating and absorbing noise according to the level of interlayer noise generated for each region.

1 is a view showing a conventional noise reduction structure for a multi-family house.
Figure 2 is a cross-sectional view showing a floor noise preventing structure for a multi-unit house of the present invention.
FIG. 3 is a cross-sectional view illustrating the noise measuring unit of FIG. 2.
4 is a cross-sectional view illustrating the noise buffer and the buffer air injection unit of FIG. 2.
5 is a view showing the operation of the noise buffer.
6 to 8 are views showing an example in which the noise reflector is further installed.

Hereinafter, with reference to the accompanying drawings will be described a floor noise prevention structure for a multi-unit house of the present invention.

Figure 2 is a cross-sectional view showing an inter-layer noise prevention structure for a multi-unit house of the present invention, Figure 3 is a cross-sectional view showing a noise measuring unit of Figure 2, Figure 4 is a cross-sectional view showing a noise buffer and a buffer air injection of Figure 2, 5 is a view showing the operation of the noise buffer.

2 to 5, the present invention is stacked up and down each other, the indoor structure 100 consisting of a lower interior structure 120 and the upper interior structure 110 having a buffer space (SA) with each other; A noise measuring unit (200) disposed in the buffer space (SA) and measuring noise in a plurality of areas (A) preset in the buffer space (SA); A noise absorbing part 300 stacked below the noise measuring part 200 and having air injecting parts 311 variable in size at positions positioned in the plurality of areas A; It is disposed between the lower end of the upper indoor structure 110 and the noise measuring unit 200, and between the noise buffer 300 and the upper end of the lower indoor structure 120, the noise is distributed in a plurality of locations Noise dispersing unit 500; And a buffer air injector 400 for injecting air from the noise measurer 200 to the air injectors 311 such that a predetermined amount of air is formed according to noise values measured in the plurality of areas A. It provides a floor noise prevention structure for apartment houses.

The noise measuring unit 200 is disposed on a lower surface of the lower indoor structure 120, and is fixed to the fixed panel 210 partitioned into a plurality of areas A and the fixed panel 210. It is preferable to include a plurality of noise measuring devices 220 disposed in the plurality of areas A, respectively, to measure noise values and transmit the noise values to the buffer air injection unit 300.

The noise absorbing part 300 is formed of an elastic material, is attached to the bottom surface of the fixing panel 210, and is disposed inside the air injecting parts 311 so as to be disposed at a position corresponding to the plurality of areas A. ) Is provided with a buffer pad 310 and a plurality of air inlet flow paths 320 to expose the air inlet portion 311 through the side of the buffer pad 310 to enable the air injection. Do.

The buffer air injection unit 400 is installed in the plurality of air injection pipes 410 and the plurality of air injection pipes 410 connected to each of the plurality of air injection paths 320, and the air injection paths. A plurality of valves 420 for opening and closing the field 320, a plurality of valves 420 installed in the plurality of air inlet pipes 410, for pumping outside air and forcibly injecting them into the air inlets 311, and the The controller 440 drives a plurality of valves 420 and the pump 430, and a preset air injection amount for the noise level.

The controller 400 may include the plurality of valves 420 and the pump to inject air into the air inlets 311 so that a predetermined air injection amount is formed according to noise values measured in the plurality of areas A. 430 controls the driving.

The noise dispersing unit 500 is installed between the first concrete layer 510 and the first concrete layer 510 and the fixed panel 210 which are installed on the lower surface of the upper indoor structure 110. And an elastic first elastic layer 520 having embossed first protrusions 521 inserted into the first concrete layer 510 and an upper end of the lower indoor structure 120. Embossed second protrusions 541 disposed between the second concrete layer 530 and the second concrete layer 530 and the buffer pad 310, and are inserted into the second concrete layer 530. And a second elastic layer 541 having elasticity.

Since the first protrusions 521 and the second protrusions 541 are curved and convex, the first and second protrusions 521 and 541 may be distributed in all directions.

6 to 8, a noise reflector 700 is further installed between the lower surface of the upper indoor structure 100 and the first concrete layer 510.

The noise reflector 700 forms a base 710 on a plate installed on an upper surface of the first concrete layer 510, and a plurality of grooves 721 opening upwardly on an upper surface of the base 710. A groove structure 720 is provided.

The groove structure 720 is formed to form a hexagonal wall 730 in an upright state on the base 710, the hexagonal wall 730 is formed so as to be open to each other along the upper side, the hexagonal wall ( The noise reflecting plate 740 is installed on the inner side of the surface 730.

The noise reflecting plate 740 temporarily stores the noise generated from the upper indoor structure 110 in the grooves 721 and guides the hexagonal wall 730 that opens along the upper side, and at this time, through the noise reflecting plate 740. Noise can be effectively reflected to the top.

In addition, although not shown in the drawings, the fixing panel 210 has a top plate provided with a thickness of 10 to 50 mm, a grid groove having a width and depth of 1 to 5 mm and a groove spacing of 5 to 20 mm, respectively, a diameter. It may be made of a support pillar provided with a height of 5 to 10 mm while being 10 to 50 mm.

The sound level meter 220 may be located in the grid groove.

On the other hand, the total cross-sectional area of the support pillar may be provided to 15 to 50% of the top plate area.

In addition, the buffer panel 310 is provided with a thickness of 5 ~ 20mm.

Here, the fixed panel 210 is made of any one of expanded polystyrene (EPS), expanded EVA (ethyrene vinilacetate), expanded polyethylene (expanded poly-propylene, EPP).

In addition, the buffer panel 310 is made of any one of polyethylene (Polyethrene, PE), EVA, polyurethane foam (polyurethane foam).

The fixed panel 210 has a density of 15㎏ / ㎥ or more and a dynamic modulus of 40MN / ㎥ or less, a top plate having a thickness of 10 to 50mm, a width and a depth of 1 to 5mm, and a groove spacing of 5 to 20mm. The formed grid groove, the diameter is 10 ~ 50㎜ and the support pillar provided with a height of 5 ~ 10㎜, the buffer pad 310 has a thickness of 5 ~ 20mm and a density of 18㎏ / ㎥ or more, dynamic elastic modulus 40 ~ Prepared at 150MN / ㎥, the panel having such a standard basically considers the performance required as a floor buffer material applied to the standard floor structure according to the "Recognition and management standard of the floor shock sound blocking structure of a common house," and a separate certification test. Of course, the specification can be optimized through.

As mentioned above, although the specific Example regarding the interlayer noise prevention structure for multi-unit houses of this invention was described, it is obvious that various implementation changes are possible without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the above-described embodiments, but should be determined by the scope of the appended claims and equivalents thereof.

It is to be understood that the foregoing embodiments are illustrative and not restrictive in all respects and that the scope of the present invention is indicated by the appended claims rather than the foregoing description, It is intended that all changes and modifications derived from the equivalent concept be included within the scope of the present invention.

100: indoor structure 110: upper interior structure
120: lower indoor structure 200: noise measuring unit
210: fixed panel 220: noise meter
300: noise buffer 310: buffer panel
311: air injection unit 320: air injection flow path
400: air injection unit 410: air injection pipe
420: valve 430: pump
440 controller 500 noise dispersion
510: first concrete layer 520: first elastic layer
530: second concrete layer 540: second elastic layer

Claims (3)

An indoor structure composed of a lower indoor structure and an upper indoor structure stacked on top of each other and having a buffer space therebetween;
A noise measuring unit disposed in the buffer space and measuring noise in a plurality of areas preset in the buffer space;
A noise buffer stacked on a lower portion of the noise measurer and having air injectors having a variable size at positions corresponding to the plurality of areas;
A noise dispersing unit disposed between the lower end of the upper indoor structure and the noise measuring unit and between the noise buffer unit and the upper end of the lower indoor structure, and dispersing noise at a plurality of positions; And
And a buffer air injector for injecting air into the air injectors so that a predetermined air injecting amount is formed according to the noise values measured in the plurality of areas from the noise measurer.
The noise measuring unit,
A fixed panel disposed on a lower surface of the lower indoor structure and partitioned into a plurality of areas;
The interior of the stationary panel, disposed in the plurality of areas, each of the floor noise prevention structure for a multi-family house, characterized in that it comprises a plurality of noise measuring unit for measuring the noise value and transmits to the buffer air inlet.
The method of claim 1,
The noise buffer unit,
A buffer pad formed of an elastic material, attached to a lower surface of the fixing panel, and having the air inlets formed therein to be disposed at a position corresponding to the plurality of regions;
And a plurality of air inlet flow paths through which the air inlets are exposed through the side of the buffer pad to enable air injection,
The buffer air injection unit,
A plurality of air injection pipes connected to each of the plurality of air injection paths;
A plurality of valves installed in the plurality of air injection pipes and opening and closing the air injection flow paths;
A plurality of pumps installed in the plurality of air inlet pipes and pumping external air to forcibly inject the air inlets;
A controller is provided for driving the plurality of valves and the plurality of pumps, and an air injection amount for the noise level is preset.
The controller comprising:
Preventing inter-floor noise for multi-family house, characterized in that for controlling the driving of the plurality of valves and the plurality of pumps to inject air into the air inlet portion to form a predetermined amount of air injection in accordance with the noise value measured in the plurality of areas structure.
3. The method of claim 2,
The noise dispersion unit,
A first concrete layer installed on a lower surface of the upper indoor structure,
An elastic first elastic layer provided between the first concrete layer and the fixing panel and having embossed first protrusions inserted into the first concrete layer;

A second concrete layer installed between the top of the lower indoor structure,
A second elastic layer provided between the second concrete layer and the buffer pad and having an elastic second elastic layer having second protrusions having an embossed shape inserted into the second concrete layer,
The first protrusions and the second protrusions disperse noise and impact,
A noise reflector is further installed between the lower surface of the upper indoor structure and the first concrete layer.
The noise reflector,
A base on a plate provided on an upper surface of the first concrete layer,
Is provided with a groove structure on the upper surface of the base to form a plurality of grooves that are opened upwards,
The groove structure is formed to form a hexagonal wall in an upright state on the base,
The hexagonal walls are formed to be spaced apart from each other along the upper side,
Interlayer noise prevention structure for a multi-family house, characterized in that the noise reflection plate is installed on the inner wall of the hexagon.

Images