KR102311980B1 - Floor buffer structure equipped with a dustproof mat for reducing floor impact sound - Google Patents

Abstract

The present invention is to provide a structure for effectively blocking floor impact sound in an apartment house. A floor buffer structure provided with a vibration- and sound-proofing layer for reducing floor impact sound of the present invention includes an uneven cushioning material installed on a concrete slab, a lower mortar layer provided on the uneven cushioning material, the vibration- and sound-proofing layer installed on the lower mortar layer to absorb impact sound, and an upper mortar layer provided on the vibration- and sound-proofing layer.

Description

{Floor buffer structure equipped with a dustproof mat for reducing floor impact sound}

The present invention relates to a floor cushioning structure provided with a vibration-proof and sound-insulating layer for reducing floor impact sound, and more particularly, to a floor impact sound-reducing structure that is provided with a vibration-proof and sound-insulating layer in the floor structure of an apartment house to reduce impact noise applied to the floor It relates to a floor cushioning structure provided with a vibration-proof and sound-insulating layer.

Various technologies have been developed by various organizations to reduce the floor impact sound of apartment houses. Floor impact sound through various attempts, such as changing the thickness and other properties of the cushioning material included in the floor structure, changing the characteristics of aerated concrete, finishing mortar, and finishing materials poured over the cushioning material, or increasing the thickness of the concrete slab itself of the building Efforts to reduce it have continued.

In particular, attempts have been made to reduce floor impact sound by using other materials as well as EPS and EVA cushioning materials. Some have the purpose of providing structure.

It is recorded that, unlike the existing structure using only a single cushioning material, it was effective in blocking floor impact sound compared to the existing structure by stacking various materials. In the case of another prior art, by embedding a mat layer coated with a rubber asphalt compound having elasticity on both sides of the concave-convex polyethylene board and a foamed polyethylene foam layer into the floor structure when constructing an apartment house, the shock vibration generated from the upper floor is absorbed and dispersed It is intended to achieve the anti-vibration effect by

However, in the case of the prior art, various materials are embedded in a single floor structure, thereby reducing ease and efficiency during on-site construction, problems of cost during construction, or lack of records on objective performance effects.

Korean Patent Publication No. 10-1206520 (2012.11.23.)

An object of the present invention is to provide a structure for effectively blocking the floor impact sound of an apartment house.

Another object of the present invention is to provide a floor cushioning structure that is efficient in workability to facilitate on-site construction when forming a blocking structure, and can shorten the construction period.

In order to achieve the above object, the floor cushioning structure provided with a vibration-proof soundproofing layer for reducing floor impact sound according to an aspect of the present invention includes an uneven cushioning material installed on an upper portion of a concrete slab, and a lower mortar provided on the uneven cushioning material. It may include a layer, a vibration-proof and sound-insulating layer installed on the lower mortar layer to absorb an impact sound, and an upper mortar layer provided on the vibration-proofing sound-insulating layer.

The concavo-convex cushioning material includes a first concave and convex portion provided at a lower portion with a constant width, a second concave and convex portion provided on one side of the first concave and convex and concave with a constant width, and a constant width provided on one side of the second concave and convex portion and a third unevenness that is more concave than the first unevenness, and the unevenness cushioning material may be formed to continuously repeat the first unevenness, the second unevenness, and the third unevenness in one direction.

A first chamfer in which a corner provided between the first and second concavities and convexities and an edge provided between the second and third concavities and convexities is cut at a predetermined angle, and from the third concavo-convex to the first concavo-convex When continuously repeated again, the edge provided between the third unevenness and the first unevenness may be provided with a second chamfer cut at a predetermined angle.

When forming the thickness of the upper mortar layer and the lower mortar layer, the thickness of the upper mortar layer is 30 to 50 mm, which is the same thickness as the thickness of the uneven cushioning material, and the thickness of the lower mortar layer is 20 to 40 mm. can be formed

The vibration-proof and sound-insulating layer includes a vibration-proof mat provided to extinguish the vibration and resonance sounds applied from the upper mortar layer, and an aluminum thin plate provided to surround the outer surface of the vibration-proof mat and to insulate the remaining vibration and external noise, The anti-vibration and sound insulating layer may include coupling jaws provided on both sides for easy arrangement on the lower mortar layer, and coupling grooves connected to the coupling jaws to accommodate the coupling jaws of the other vibration-proof and insulating layers.

When forming the thickness of the soundproofing and insulating layer, the thickness may be 1 to 6 mm.

A vibration-proof and sound-insulating layer may be further provided on the uneven cushioning material to absorb the impact sound applied to the floor as much as possible.

The body part is attached to the wall of the building; a cutout portion having a perforation line so as to be minutely connected to the upper end of the body portion and cut; It may further include a side cushioning material having a plurality of hollow portions each horizontally formed inside the body portion.

After the side cushioning material is attached to the wall of the building and then the uneven cushioning material, the lower mortar layer, the vibration-proof sound insulation layer and the upper mortar layer are poured, the cut-out part is removed along the perforation line and the pipe embedding layer can be poured have.

The cut-out portion is penetrated in a triangular shape and the base is located at the upper end of the body portion, and the lower ends of the cut-out portion are finely joined to the upper end of the body portion so that the perforation line is formed along the joint portion, and the hollow portion has condensation It can be penetrated in the shape of a cylinder to prevent the occurrence of mold due to the development.

According to the floor cushioning structure provided with the vibration-proof soundproofing layer for reducing the floor impact sound according to the present invention, a vibration-proof mat for reducing the floor impact sound is provided inside while forming the floor of the apartment house to effectively block the impact sound.

In addition, by reducing the impact sound without forming a lightweight foam concrete layer while forming the floor cushioning structure, it is possible to construct the floor cushioning structure even without a skilled technician, and the ease and efficiency of work are increased with the coupling part provided in the dustproof mat. The construction period can be shortened.

1 is a cross-sectional view showing a floor cushioning structure provided with a vibration-proof and insulating layer for reducing floor impact sound according to an embodiment of the present invention.
Figure 2 is a perspective view showing the appearance of the uneven cushioning material in Figure 1;
Fig. 3 is a perspective view showing the state of the vibration-proof and sound insulating layer in Fig. 1;
4 is a graph showing the experimental results of a floor cushioning structure provided with a vibration-proof and insulating layer for reducing floor impact sound according to an embodiment of the present invention.
5 is a cross-sectional view showing a floor cushioning structure provided with a vibration-proof sound insulation layer for reducing floor impact sound according to another embodiment of the present invention.
6 is a cross-sectional view showing a floor cushioning structure provided with a vibration-proof and insulating layer for reducing floor impact sound according to another embodiment of the present invention.
Figure 7 is a perspective view showing the appearance of the side cushioning material in Figure 6;
8 is a flowchart illustrating a method of constructing a floor cushioning structure provided with a dustproof and insulating layer for reducing floor impact sound according to an embodiment of the present invention.
9 is a flowchart illustrating a construction process of a floor cushioning structure provided with a vibration-proof and insulating layer for reducing floor impact sound according to an embodiment of the present invention.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings. However, it goes without saying that the present invention is not limited to these embodiments and may be modified in various forms.

In the drawings, in order to clearly and briefly describe the present invention, the illustration of parts irrelevant to the description is omitted, and the same reference numerals are used for the same or extremely similar parts throughout the specification. In addition, in the drawings, the thickness, width, etc. are enlarged or reduced in order to make the description more clear, and the thickness, width, etc. of the present invention are not limited to the bars shown in the drawings.

And, when a certain part "includes" another part throughout the specification, other parts are not excluded unless otherwise stated, and other parts may be further included.

1 is a cross-sectional view showing a floor cushioning structure provided with a vibration-proof and insulating layer for reducing floor impact sound according to an embodiment of the present invention, FIG. 2 is a perspective view showing the appearance of the uneven cushioning material in FIG. 1, and FIG. 3 is the vibration protection in FIG. It is a perspective view showing the state of the sound insulation layer.

As shown in FIGS. 1 to 3 , the floor buffer structure provided with a vibration-proof sound insulation layer for reducing floor impact sound according to an embodiment of the present invention includes an uneven cushioning material 100 installed on the top of the concrete slab 10, On the upper portion of the lower mortar layer 200 provided on the uneven cushioning material 100 , the vibration-proof and sound-insulating layer 300 installed on the lower mortar layer 200 to absorb the impact sound, and the vibration-proof and sound-insulating layer 300 . An upper mortar layer 400 may be provided.

Here, the vibration-proof and sound insulation layer 300 primarily absorbs the impact sound applied to the upper mortar layer 400 together with the lower mortar layer 200, and the concavo-convex cushioning material 100 is in close contact with the concrete slab 10. It may be provided to absorb the impact sound once more.

Referring to FIG. 2 , the concave-convex cushioning material 100 includes a first concave and convex 110 provided at a lower portion with a predetermined width, and a second concave and convex portion 110 provided on one side of the first concave and convex 110 and recessed with a constant width ( 120 and a third unevenness 130 provided on one side of the second unevenness 120 to be more concave than the first unevenness 110 with a constant width, the first unevenness 110, the second The concavo-convex 120 and the third concavo-convex 130 may be continuously and repeatedly formed in one direction in order.

The thermal bridging phenomenon that rises through the concrete slab 10 through the concavo-convex shapes provided in the lower portion of the concavo-convex cushioning material 100 is minimized by only the first concavo-convex 110 abutting the concrete slab 10, and the upper mortar layer 400 ) may be provided so that the concrete slab 10 and the first concavo-convex 110 are in close contact with each other to absorb the impact sound applied from the .

In addition, the uneven cushioning material 100 has a structure in which the second unevenness 120 and the third unevenness 130 are separated from the concrete slab 10 by a certain distance, so that the impact sound applied from the upper mortar layer 400 is buffered with elastic force. can be provided

The second concavo-convex 120 is formed between the first concavo-convex 110 and the third concavo-convex 130 , and has a height lower than the third concave-convex 130 so that the third concavo-convex 130 has elasticity and durability. can be

In addition, the first chamfer 140 in which the edge provided between the first unevenness 110 and the second unevenness 120 and the edge provided between the second unevenness 120 and the third unevenness 130 are cut at a predetermined angle. ) and the second chamfer in which the edge provided between the third concavo-convex 130 and the first concavo-convex 110 is cut at a predetermined angle when the third concavo-convex 130 to the first concavo-convex 110 are continuously repeated again. (150) may be provided.

The first chamfer 140 and the second chamfer 150 can minimize damage when moving and installing by removing in advance a portion prone to breakage on the lower portion of the uneven cushioning material 100 .

The first chamfer 140 and the second chamfer 150 minimize the area in contact with the concrete slab 10 so that each unevenness provided under the uneven cushioning material 100 can easily exert elastic force, and each It is possible to protect the edges formed between the irregularities from being damaged.

The uneven cushioning material 100 can form the width of the first unevenness 110, the second unevenness 120, and the third unevenness 130 to 14±2mm, and the height of the unevenness to 2±1mm, and the first chamfer ( 140) may have a width and height of 4±1mm and 2±1mm, and the width and height of the second chamfer 150 may be formed with 4±1mm and 4±1mm.

The lower mortar layer 200 may be provided on the uneven cushioning material 100 , and may be formed to a thickness of 20 to 40 mm, and the vibration and sound insulation layer 300 may be provided on the lower mortar layer 200 .

The lower mortar layer 200 is provided as a general mortar layer without the need to be formed of lightweight foam concrete, so that the impact sound applied from the upper mortar layer 400 can be reduced together with the vibration-proof and sound insulating layer 300 provided thereon.

Since the lower mortar layer 200 does not need to pour lightweight foamed concrete, the foaming agent mixing ratio that meets the quality standards through an experienced expert for pouring lightweight foamed concrete and expertise to be poured within 1 hour after mixing may not be required .

Referring to FIG. 3 , the vibration-proof and sound-insulating layer 300 surrounds the outer surface of the vibration-proof mat 301 and the vibration-proof mat 301 provided to dissipate the vibration and resonance applied from the upper mortar layer 400 and the remaining vibration sound. and an aluminum thin plate 302 provided to insulate external noise.

The anti-vibration mat 301 is attached to the lower surface of the upper mortar layer 400 from which the vibration sound is generated to dissipate the vibration energy, and may be provided with a material of butyl so as to be adhered to the upper mortar layer 400 which is a vibrating body.

The thin aluminum plate 302 may increase the vibration damping force and tensile strength of the anti-vibration mat 301 , and may serve as a sound insulation for blocking residual vibration or noise.

The vibration-proof and sound-insulating layer 300 includes coupling jaws 310 provided on both sides for easy placement on the lower mortar layer 200 , and is connected to the coupling jaws 310 to accommodate the coupling jaws 310 of other vibration-proof and sound-insulating layers. A coupling groove 320 may be provided.

The vibration and sound insulation layer 300 is formed to a thickness of 1 to 6 mm when forming the thickness, and is produced with an optimized thickness to extinguish vibration and resonance sounds together with the lower mortar layer 200, and it is easy to reduce manufacturing costs. It may be provided with a thickness.

The upper mortar layer 400 is provided on the vibration-proof and sound-insulating layer 300 , and may be formed to have a thickness equal to the thickness of the concavo-convex cushioning material 100 .

The upper mortar layer 400 may have a pipe buried layer disposed thereon.

The upper mortar layer 400 receives the impact sound applied from the upper part and serves to transmit it to the vibration-proof and sound-insulating layer 300 and the lower mortar layer 200, and the vibration-proof and acoustic-insulating layer 300 is not exposed to the outside and is damaged during pipe repair work. It can play a role in preventing it from happening.

The following describes the contents of the measurement results for the floor cushioning structure provided with the vibration-proof and insulating layer for reducing the floor impact sound according to an embodiment of the present invention.

4 is a graph showing the experimental results of a floor cushioning structure provided with a vibration-proof and insulating layer for reducing floor impact sound according to an embodiment of the present invention.

For the floor cushioning structure equipped with a vibration-proof and insulating layer for reducing the floor impact sound, it is possible to confirm the cushioning structure that most effectively reduces the impact sound by comparing and measuring the following configurations.

The experiment was conducted in a total of 5 configurations, and the measurement can generate vibration sound through the light standard shock source and the weight standard shock source.

The first floor configuration starts from the concrete slab and is formed in the order of 30mm irregularities, 30mm irregularities and 50mm of mortar, and the secondary floor configuration starts from the concrete slab and can be formed in the order of irregularities 20mm, mortar 30mm, flat plate 20mm, and mortar 40mm. .

And the tertiary floor composition starts from the concrete slab, and is formed in the order of irregularities 20mm, mortar 30mm, flat plate 20mm, and mortar 40mm. The fourth floor composition starts from the concrete slab, and the fourth floor composition starts with the concrete slab, and the flat plate 40mm, mortar 30mm, dustproof mat 2mm, and mortar 40mm are in that order. The fifth floor configuration can be formed in the order of 40mm unevenness, 30mm of mortar, 2mm of anti-vibration mat, and 40mm of mortar starting from the concrete slab.

Referring to FIG. 4, as a result of comparing the results of measuring the vibration of the bare slab state before the construction of this study with the 5th floor configuration, which is the above measurement result, in a graph, the manslab was 65dB at the light standard impact source and the 5th The floor composition came out 27dB, the manslab was 51dB from the weight standard impact source (bang), and the 5th floor composition was 47dB. You can check that this came out.

Through the above measurement results, the impact sound absorption capacity of the 5th floor structure was confirmed, and through this, the uneven cushioning material 30~50mm, the lower mortar layer 20~40mm, and the vibration and sound insulation layer taking into account the dimensional change depending on the work site where the floor cushioning structure is installed. Based on the experimental results, the configuration that most effectively reduces the floor impact sound by forming 1 to 6 mm and the upper mortar layer in the order of 30 to 50 mm can be found out.

Next, a description will be given of a floor cushioning structure provided with a dustproof and insulating layer for reducing floor impact sound according to another embodiment of the present invention. In the following description, only parts different from the above-described embodiments will be described in detail, and detailed descriptions of extremely similar parts will be omitted.

5 is a cross-sectional view illustrating a floor cushioning structure provided with a vibration-proof and insulating layer for reducing floor impact sound according to another embodiment of the present invention.

Referring to FIG. 5 , the floor cushioning structure provided with a vibration-proof and insulating layer for reducing floor impact sound according to another embodiment of the present invention includes an uneven cushioning material 100 installed on an upper portion of a concrete slab 10 and an uneven cushioning material 100 . The lower mortar layer 200 provided on the upper portion of the mortar layer 200 and the vibration-proof sound insulation layer 300 installed between the uneven cushioning material 100 and the lower mortar layer 200 and on the lower mortar layer 200 to absorb the impact sound and , an upper mortar layer 400 provided on the vibration-proof and sound-insulating layer 300 may be provided.

The vibration-proof sound insulation layer 300 is provided one on each of the upper portion and the lower mortar layer 200 of the concavo-convex cushioning material 100, so that the impact sound applied from the upper mortar layer 400 is the lower mortar layer 200 and the lower mortar layer ( The vibration-proof and sound-insulating layer 300 provided on the upper part of the 200) absorbs the primary absorption, and the concavo-convex cushioning material 100 and the vibration-proofing sound-insulating layer 300 provided on the concave-convex cushioning material 100 absorb the reduced impact sound once more. can be reduced by

Here, the uneven cushioning material 100 is basically in close contact with the concrete slab 10 to absorb the impact sound. can

The vibration-proof and sound-insulating layer 300 is provided on top of the concave-convex cushioning material 100 to further reduce the floor impact sound than before.

Therefore, the floor cushioning structure having one more vibration and sound insulation layer 300 can be used when constructing a high-end apartment house at a cost burden.

Next, a description will be given of a floor cushioning structure provided with a dustproof and insulating layer for reducing floor impact sound according to another embodiment of the present invention. In the following description, only parts different from the above-described embodiments will be described in detail, and detailed descriptions of extremely similar parts will be omitted.

6 is a cross-sectional view illustrating a floor cushioning structure provided with a vibration-proof and insulating layer for reducing floor impact sound according to another embodiment of the present invention, and FIG. 7 is a perspective view illustrating the side cushioning material in FIG. 6 .

Referring to FIG. 6 , the floor cushioning structure provided with a vibration-proof and insulating layer for reducing floor impact sound according to another embodiment of the present invention includes an uneven cushioning material 100 installed on the top of a concrete slab 10 and an uneven cushioning material 100 ), a lower mortar layer 200 provided on top of the lower mortar layer 200 , a vibration-proof and sound-insulating layer 300 installed on top of the lower mortar layer 200 to absorb impact sound, and an upper mortar provided on the vibration-proof sound-insulating layer 300 . The layer 400 and the side of the concrete slab 10 are abutted, and the uneven cushioning material 100, the lower mortar layer 200, the vibration-proof sound insulation layer 300 and the upper mortar layer 400 are buttted to the other side of the concrete slab ( 10) may be provided with a side cushioning material 500 to block the thermal bridge phenomenon occurring.

Referring to FIG. 7 , an upper hollow portion 522 of a triangular shape is formed on the upper surface of the side cushioning material 500 along the perforated line or the cut surface, so that the upper portion of the side cushioning material 500 is easily cut from the lower portion during the construction process. can do. Specifically, the upper hollow part 522 of the triangular shape is only different in shape from the circular hollow part 531 at the bottom, and the perforated line 521 is in a state in which both ends of the upper hollow part 522 are finely joined to the lower part. As it is formed, the upper end of the side cushioning material 500 can be easily cut off, and thus can be conveniently used at the construction site.

In addition, the material of the side cushioning material 500 may be provided with PE (Polyethylene).

The cut-out portion 520 may be formed in the upper portion of the body portion 510, and an upper hollow portion 522 that may be cut out from the lower portion along the perforation line may be formed. Specifically, the cut-out portion 520 is a triangular-shaped upper hollow portion 522 is formed so that an operator can cut the upper portion of the side cushioning material 500 from the lower portion, and the triangular-shaped upper hollow portion 522 is A perforated line 521 may be formed in a state in which both ends of the lower portion are finely joined to the lower portion.

The cutout 520 is a cutout provided on the side of the side cushioning material 500 after the uneven cushioning material 100, the lower mortar layer 200, the dustproof sound insulating layer 300 and the upper mortar layer 400 are all poured. An operator may cut the upper hollow part 522 along the perforation line 521 of the part 520 . The cut side cushioning material 500 may form a bottom so that the pipe is wired together with the upper mortar layer 400 so that the pipe buried layer is located.

A plurality of hollow portions 530 may be formed horizontally inside the body portion 510 . At this time, the hollow part 530 is a circular hollow part 531 formed to be spaced apart from each other, and may serve as an air circulation passage to prevent mold generation due to dew condensation.

Next, a description will be given of the construction process of the floor cushioning structure provided with the vibration-proof sound insulation layer for reducing the floor impact sound according to an embodiment of the present invention.

8 is a flowchart illustrating a construction method of a floor cushioning structure provided with a vibration-proof and insulating layer for reducing floor impact sound according to an embodiment of the present invention, and FIG. This is a flowchart showing the construction process of the provided floor buffer structure.

Referring to FIGS. 8 and 9 , the construction method of a floor cushioning structure provided with a vibration-proof soundproofing layer for reducing floor impact sound includes the steps of disposing the uneven cushioning material 100 on the upper part of the concrete slab 10 (S100) and the uneven cushioning material The step of pouring according to the height of the finish line on the upper part of (100) and evenly dispersing it with the slurry to form the lower mortar layer 200 (S200), and a plurality of dustproof and sound insulating layers 300 on the upper part of the lower mortar layer 200 ) in alignment with the coupling jaw 310 and the coupling groove 320 ( S300 ), and pouring the dust and sound insulation layer 300 according to the height of the finish line and evenly distributing the slurry to the upper mortar layer 400 . ) forming a step (S400) may be provided.

In step S200, there is no need to provide the lower mortar layer 200 with lightweight foamed concrete, so it is not necessary to have a foaming agent mixing ratio that meets the quality standards through an experienced expert and expertise to be poured within 1 hour after mixing, so it is easy to work during construction. can

In step S300, when arranging the plurality of vibration-proof and insulating layers 300, they are arranged in alignment with the coupling jaws 310 and the coupling grooves 320 provided in each of the vibration-proof and insulating layers 300, and the concrete slab (10) of the concrete slab (10). The vibration and sound insulation layer 300 may be cut according to the side surface.

Through this, while forming the floor of the apartment house, by installing the vibration-proof sound insulation layer 300 provided with the vibration-proof mat 301 and the aluminum thin plate 302, the vibration and resonance noise can be reduced to block the noise generated between floors. .

In addition, it is possible to effectively reduce vibration and resonance noise without forming a lightweight foam concrete layer while forming a floor cushioning structure. can do it

In addition, by providing the coupling jaws 310 and the coupling grooves 320 on the side of the vibration-proof and sound-insulating layer 300 , it is possible to easily work when disposing a plurality of the vibration-proofing and insulating layers 300 .

In the above, the floor cushioning structure provided with the vibration-proof and insulating layer for reducing the floor impact sound according to the embodiment of the present invention has been described, but the spirit of the present invention is not limited to the embodiments presented herein. And, those skilled in the art who understand the spirit of the present invention will be able to easily propose other embodiments by adding, changing, deleting, adding, etc. components within the scope of the same spirit, but this is also within the scope of the present invention. will say it costs

10: concrete slab 100: uneven cushioning material
110: first unevenness 120: second unevenness
130: the third unevenness 140: the first chamfer
150: second chamfer 200: lower mortar layer
300: dustproof and sound insulation layer 301: dustproof mat
302: aluminum thin plate 310: bonding jaw
320: coupling groove 400: upper mortar layer
500: side cushioning material 510: body part
520: perforated 521: perforated line
522: upper hollow part 530: hollow part
531: circular hollow part

Claims (10)

An uneven cushioning material installed on the upper part of the concrete slab,
A lower mortar layer provided on the upper portion of the uneven cushioning material;
a vibration-proof and sound-insulating layer installed on the lower mortar layer to absorb impact sound;
and an upper mortar layer provided on an upper portion of the vibration and sound insulation layer,
The body part is attached to the wall of the building; a cutout portion having a perforation line so as to be minutely connected to the upper end of the body portion and cut; Provided with a side cushioning material having a; each of a plurality of hollow portions formed horizontally inside the body portion,
After the side cushioning material is attached to the wall of the building, and then the uneven cushioning material, the lower mortar layer, the vibration-proof sound insulation layer and the upper mortar layer are poured, the cutout is removed along the perforation line, and the pipe buried layer is poured,
The cut-out part has an upper hollow part having an interior that penetrates in a triangular shape and a base is located at the upper end of the body part, and the lower ends of the cut-out part are finely joined to the upper end of the body part, so that the perforation line is formed along the joint part, ,
The hollow part is penetrated in a cylindrical shape to prevent the occurrence of mold due to condensation,
The vibration-proof and sound-insulating layer includes a vibration-proof mat provided to dissipate the vibration and resonance sounds applied from the upper mortar layer, and an aluminum thin plate provided to surround the outer surface of the vibration-proof mat and to insulate the remaining vibration and external noise,
The vibration-proof and sound-insulating layer includes coupling jaws provided on both sides for easy placement on the lower mortar layer, and coupling grooves connected to the coupling jaws to accommodate coupling jaws of other vibration-proof and sound-insulating layers. A floor cushioning structure equipped with a dust-proof and sound-insulating layer. The method of claim 1,
The concave-convex cushioning material includes a first concavo-convex provided at a lower portion with a constant width,
a second unevenness provided on one side of the first unevenness and concave with a predetermined width;
and a third unevenness which is provided on one side of the second unevenness and is more concave than the first unevenness with a predetermined width;
The uneven cushioning material is a floor cushioning structure provided with a vibration-proof sound insulation layer for reducing floor impact sound, characterized in that the first unevenness, the second unevenness, and the third unevenness are continuously and repeatedly formed in one direction in order. 3. The method of claim 2,
a first chamfer in which a corner provided between the first and second concavities and convexities and a corner provided between the second and third concavities and convexities are cut at a predetermined angle;
When the third unevenness to the first unevenness is continuously repeated again, the edge provided between the third unevenness and the first unevenness is provided with a second chamfer that is cut at a predetermined angle. A floor cushioning structure equipped with a vibration-proof and sound-insulating layer. 4. The method of claim 3,
When forming the thickness of the upper mortar layer and the lower mortar layer, the thickness of the upper mortar layer is formed to be 30-50 mm, which is the same thickness as the thickness of the uneven cushioning material, and the thickness of the lower mortar layer is 20 to 40 mm. A floor buffer structure provided with a vibration-proof sound insulation layer for reducing floor impact sound, characterized in that it forms. delete The method of claim 1,
The vibration-proof and sound-insulating layer is a floor cushioning structure provided with a vibration-proof and sound-insulating layer for reducing floor impact sound, characterized in that the thickness is formed to be 1 to 6 mm when forming the thickness. The method of claim 1,
A floor cushioning structure provided with a vibration and sound insulation layer for reducing floor impact sound, characterized in that it further comprises a vibration and sound insulation layer on the upper portion of the uneven cushioning material to absorb the impact sound applied to the floor as much as possible. delete delete delete

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