KR101639372B1 - floor structure of house and construction method thereof - Google Patents

floor structure of house and construction method thereof Download PDF

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Publication number
KR101639372B1
KR101639372B1 KR1020150042734A KR20150042734A KR101639372B1 KR 101639372 B1 KR101639372 B1 KR 101639372B1 KR 1020150042734 A KR1020150042734 A KR 1020150042734A KR 20150042734 A KR20150042734 A KR 20150042734A KR 101639372 B1 KR101639372 B1 KR 101639372B1
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KR
South Korea
Prior art keywords
sound
heat transfer
hot water
water tube
upper plate
Prior art date
Application number
KR1020150042734A
Other languages
Korean (ko)
Inventor
임윤채
Original Assignee
주식회사 거원
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Priority to KR1020150042734A priority Critical patent/KR101639372B1/en
Application granted granted Critical
Publication of KR101639372B1 publication Critical patent/KR101639372B1/en

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B1/86—Sound-absorbing elements slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/16—Flooring, e.g. parquet on flexible web, laid as flexible webs; Webs specially adapted for use as flooring; Parquet on flexible web
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/20—Separately-laid insulating layers; Other additional insulating measures; Floating floors for sound insulation
    • E04F15/206—Layered panels for sound insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/12—Tube and panel arrangements for ceiling, wall, or underfloor heating
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/041—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise
    • E04F2290/042—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise with a facing or top layer for sound insulation
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/044—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against impact

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an indoor floor structure of a house and a construction method thereof, and more particularly, to an indoor floor structure of a house and a construction method thereof, which can reduce floor impact noise and facilitate construction and repair.
The indoor floor structure of the present invention comprises a binder layer formed on an upper portion of a concrete slab, a mat of non-woven material provided on an upper portion of the binder layer, a synthetic wood material provided on an upper portion of the mat, And a floor finishing member installed on an upper portion of the shock absorbing module. The heat absorbing module may include a heat absorbing module, a heat absorbing module, and a heat absorbing module.

Description

[0001] The present invention relates to a floor structure of a house and a construction method thereof,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an indoor floor structure of a house and a construction method thereof, and more particularly, to an indoor floor structure of a house and a construction method thereof, which can reduce floor impact noise and facilitate construction and repair.

In the case of apartment houses, multi-storey houses, multi-storey houses, etc., most of the air sound is blocked by the concrete slab structure. However, shocks or vibrations caused by walking or falling objects, And the bottom slab is flexibly vibrated, and the vibration is emitted to the air in the air, and is transmitted to the lower layer or the adjacent generation.

Such a floor impact sound is a lightweight impact sound that generates a lot of high frequency component sounds such as a sound coming from the lower layer directly due to the impact applied to the floor when a small object falls and a chair is moved, A heavy impact is classified as a heavy impact sound that generates a lot of low-frequency sound like a sound from a lower layer.

Recently, as the disputes among neighbors due to the inter - floor noise of apartment buildings have become serious social problems, and the number of complaints has increased, the number of products with a certain quality or more is limited to the construction site.

Korean Utility Model Registration Utility Model No. 20-0374808 discloses a floor structure of a joint cover for reducing floor impact sound.

The floor structure includes a sound absorbing layer formed on the concrete slab and a buffer layer and a closed mortar layer are formed such that a transmission force for transmitting the sound absorbing layer to the floor of the building is minimized. And the finishing mortar layer is formed by adjusting its thickness and specific gravity so that the area density becomes large.

The conventional floor structure as described above has a problem in that the construction is difficult and the construction time is long. In addition, the buffer layer applied to the bottom structure has a problem in that the entire structure must be lifted if there is a defect in the structure. In addition, although the buffer layer is contained in the buffer layer, since the buffer layer is durable and the buffer space can not be secured, the buffering effect is low. Further, since the heating pipe is buried in the mortar layer, the position of the heating pipe can not be changed after the mortar is cured, and it is difficult to repair or replace if a part of the heating pipe is leaked.

Registered Utility Model No. 20-0374808 of Korea Registered floor structure for joint floor cover for floor impact noise reduction

An object of the present invention is to provide an indoor floor structure of a house having a high durability and easy construction and repair, and a construction method thereof, It has its purpose.

According to an aspect of the present invention, there is provided an indoor floor structure for a house, comprising: a binder layer formed on an upper portion of a concrete slab; A mat of a nonwoven fabric material provided on the binder layer; A cushioning module installed at an upper portion of the mat, the cushioning module comprising unit panels of synthetic wood material having a plurality of independent sound-absorbing passages formed therein, the unit panels being coupled longitudinally and laterally; A hot water tube inserted into the sound insulating passage and installed in the shock absorbing module; And a bottom finishing member provided on the top of the buffer module.

Wherein each of the unit panels comprises a rectangular upper plate, a lower rectangular plate which is formed in the same size as the upper plate and spaced apart from and below the upper plate and eccentrically positioned in one of the left and right directions of the upper plate, And a plurality of partition walls formed between the upper plate and the lower plate to form the sound-deadening passages between the upper plate and the lower plate.

And each of the unit panels includes heat transfer facilitating means for promoting heat transfer from the hot water tube to the bottom closing member.

Wherein the heat transfer facilitating means includes a pair of first heat transfer portions and second heat transfer portions inserted into the sound-insulating passage and contacting the hot water tube and having an upper portion exposed on the upper plate, A first half portion formed on the upper portion of the first horizontal portion to surround one side of the outer circumferential surface of the hot water tube and a second half portion surrounding the one side of the outer circumferential surface of the hot water tube through an incision hole formed in the upper half portion of the first half portion, And a first contact portion which is bent at a right angle in the first extending portion and is horizontally formed and which is in contact with a bottom surface of the bottom closing member, A second half portion formed on the upper portion of the second horizontal portion to surround the other side of the outer circumferential surface of the hot water tube, A second extending portion extending from the upper portion of the second half portion to the outside of the sound insulating passage through the cut-out hole; and a second extending portion that is formed by being horizontally bent at a right angle in the second extending portion, And a second contact portion that is bent to the bottom of the bottom closing member and contacts the bottom surface of the bottom closing member.

According to another aspect of the present invention, there is provided a method for constructing an indoor floor of a house, comprising: a first step of forming a binder layer by applying an adhesive to an upper portion of a concrete slab; A second step of placing a mat of nonwoven fabric material on the binder layer and attaching the mat to the binder layer; A third step of arranging the unit panels of synthetic wood material in which a plurality of independent soundproof passages are formed in the longitudinal and transverse directions and installing a buffer module on the mat; A fourth step of installing a hot water tube in the zigzag direction inside the buffer module by inserting the hot water tube into the sound insulating passage; And a fifth step of installing a bottom closing member on the buffer module.

In the fourth step, a pair of first heat transfer portions and a second heat transfer portion are inserted into the sound-insulating passage through the cut-out holes formed in the upper plate to secure a circular accommodation space between the first heat transfer portion and the second heat transfer portion And the hot water tube is passed through the accommodation space.

As described above, according to the present invention, since a unit panel of a synthetic wood material having many sound-absorbing passages formed therein is installed on the floor, the floor impact sound can be effectively reduced and durability can be improved, and construction and repair are very easy .

In addition, since the hot water tube is inserted into the sound-insulating passage formed in the unit panel, the pipe can be installed very easily, the position of the pipe can be freely adjusted, and the exchange is easy

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view showing a substantial part of an indoor floor structure of a house according to an embodiment of the present invention,
FIG. 2 is a sectional view of an indoor floor structure of a house to which FIG. 1 is applied,
3 is a sectional view of an indoor floor structure of a house according to another embodiment of the present invention,
FIG. 4 is an exploded perspective view showing a substantial part of an indoor floor structure of a house according to another embodiment of the present invention,
5 is a sectional view of an indoor floor structure of a house to which FIG. 4 is applied.

Hereinafter, an indoor floor structure of a house and a construction method thereof according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 and 2, an indoor floor structure of a house according to an embodiment of the present invention mainly includes a binder layer 10, a mat 15, a buffer module, a hot water tube 30, And a member (40).

A binder layer (10) is formed on the concrete slab (7). The concrete slab 7 forms the basis of the indoor floor structure.

The binder layer 10 is formed by applying an adhesive. Conventional inorganic or organic adhesives can be used as adhesives.

A mat (15) is provided on the upper side of the binder layer (10). The mat (15) is attached to the concrete slab (7) by the binder layer (10).

The mat 15 is preferably made of a buffer material. For example, the mat 15 may be formed of a nonwoven fabric. The thickness of the mat 15 may be 10 to 30 mm. The mat (15) absorbs the impact transmitted from the upper cushioning module to prevent the impact from being transmitted to the concrete slab (7).

On the upper portion of the mat (15), a buffer module is installed.

The buffer module applied to the present invention is made up of a plurality of unit panels 20 joined longitudinally and laterally. Therefore, only a specific unit panel can be exchanged. The buffer module has a plurality of spaces formed therein for sound insulation and buffering.

The structure of each unit panel 20 constituting the buffer module will be described.

The unit panel 20 has a plurality of independent sound-absorbing passages 27 formed therein. The unit panel 20 is made of a synthetic wood material. The unit panel 20 formed of synthetic wood has the advantage of high strength and low heat distortion.

The unit panel 20 includes a top plate 21, a bottom plate 23 located below the top plate 21 and partition walls 25 provided between the top plate 21 and the bottom plate 23.

The upper plate 21 is formed into a rectangular rectangular shape. The lower plate 23 is formed in the same size and shape as the upper plate 21. Therefore, the lower plate 23 is also formed into a rectangular rectangular shape.

The lower plate (23) is positioned below the upper plate (21) with a certain distance therebetween. Preferably, the lower plate 23 is positioned eccentrically in either one of the left and right directions of the upper plate 21. That is, the center of the upper plate 21 and the center of the lower plate 23 do not coincide with each other, but are displaced in the left-right direction. Therefore, when the left end of the upper plate 21 protrudes more leftward than the left end of the lower plate 23, the right end of the lower plate 23 is positioned further to the right than the right end of the upper plate 21 do. The unit panels 20 can be coupled to each other in the horizontal direction by the arrangement structure of the upper plate 21 and the lower plate 23 as shown in FIG.

The barrier ribs 25 are formed at a predetermined interval between the upper plate 21 and the lower plate 23. The partition walls 25 are elongated in the front-rear direction. The upper end of the partition 25 is coupled to the upper plate 21 and the lower end of the partition 25 is coupled to the lower plate 23.

The partition walls 25 partition the space between the upper plate 21 and the lower plate 23 into a plurality of sound-absorbing passages 27. The plurality of sound insulating passages 27 are formed independently of each other. In the illustrated example, the sound-deadening passage 27 is elongated in the front-rear direction.

The sound-absorbing passage 27 formed in each unit panel 20 absorbs the shock transmitted from the upper part to improve the sound insulation performance and improve the heat insulation performance. Further, by forming the sound-insulating passage 27 in the unit panel 20, a space for installing the hot water tube 30 can be secured.

3, the bottom surface of the lower plate 24 constituting the unit panel may have a corrugated structure. The bottom plate 24 having such a corrugated structure has an advantage that the contact area with the mat 15 is increased to increase the impact transmission effect and the contact force with the mat 15 can be increased. Elements having the same functions as those in FIG. 2 are denoted by the same reference numerals in FIG. 3, and a detailed description thereof will be omitted.

1 and 2, the hot water tube 30 is installed in the buffer module. The hot water tube (30) is installed in the shock absorbing module in the form of being inserted into the sound-absorbing passage (27). Therefore, the construction of the hot water tube 30 is very simple. The hot water tube 30 is installed in a zigzag manner through the sound-absorbing passage 27. The hot water tube 30 is connected to the boiler so that the heating water supplied from the boiler flows.

Since the hot water tube 30 is inserted into the sound-absorbing passage 27 as described above, the construction and maintenance are very simple. In addition, it is very easy to adjust the position and interval of the hot water tube 30.

The bottom closing member 40 is installed on the top of the buffer module. As the floor closing member 40, a general floorboard, a reinforced floorboard, or the like can be used.

4 and 5 show a unit panel according to another embodiment of the present invention.

4 and 5, each unit panel 50 includes heat transfer facilitating means 60 for promoting heat transfer from the hot water tube 30 to the bottom closing member 40.

The unit panel includes an upper plate 21, a lower plate 23 located below the upper plate 21 and partition walls (not shown) provided between the upper plate 21 and the lower plate 23 to form a plurality of sound- 57). In the upper plate 51, a cutting hole 52 is formed long before and after. One or more cutting holes 52 may be formed in each unit panel 50. Mounting surfaces 53 are provided on the left and right sides of the cutting hole 52 with the cutout hole 52 therebetween. The mounting surface 53 is formed lower than the upper surface of the upper plate 51.

The heat transfer facilitating means 60 promotes the transfer of heat so that the interior space can be warmed quickly. In the present invention, the heat transfer facilitating means (60) promotes heat transfer from the hot water tube (30) to the bottom closing member (40).

For example, the heat transfer facilitating means 60 may include a pair of first heat transfer portions 70 and a second heat transfer portion 80. The first and second heat transfer parts are preferably formed of a metal material having excellent heat transfer. One example is copper.

The lower portions of the first heat transfer portion 70 and the second heat transfer portion 80 are inserted into the sound-absorbing passage 59 to be brought into contact with the hot water tube 30 and are in contact with the first heat transfer portion 70 and the second heat transfer portion 80 The upper portion is exposed above the upper plate 51.

The first heat transfer portion 70 includes a first horizontal portion 71 which is seated on the bottom of the sound-absorbing passage 59 and a second horizontal portion 71 which is formed on the upper portion of the first horizontal portion 71 in a half- And a first extension portion 75 extending from the upper portion of the first half-shell portion 73 to the outside of the sound-absorbing passage 59 through a cut-off hole 52 formed in the upper plate 51. The first half- And a first contact portion 77 which is bent at a right angle at the first extending portion 75 and horizontally formed and which is in contact with the bottom surface of the bottom closing member 40. The first contact portion 77 is placed on the mounting surface 53 located on the left side of the cutting hole 52.

The second heat transfer portion 80 includes a second horizontal portion 81 which is seated on the bottom of the sound-absorbing passage 59 and a second horizontal portion 81 which is formed on the upper portion of the second horizontal portion 81 in a half- A second half portion 83 surrounding the first half portion 83 and a second half portion 83 surrounding the second half portion 83 and a second half portion 83 surrounding the second half portion 83, And a second contact portion 87 which is bent at a right angle at the second extending portion 85 and horizontally formed to be in contact with the bottom surface of the bottom closing member 40.

The second contact portion 87 is bent in a direction opposite to the bending direction of the first extending portion 85. The second contact portion 87 is placed on the mounting surface 53 located on the right side of the cutting hole 53.

The first and second contact portions 77 and 87 are brought into contact with the bottom closing member 40 when the bottom closing member 40 is installed on the buffer module made up of the unit panel 50 described above. Therefore, the heat generated in the hot water tube 30 is directly transmitted to the bottom closing member 30 through the first and second heat transfer members 70 and 80, so that the indoor space can be heated quickly.

Hereinafter, a construction method of the indoor floor structure of a house will be described with reference to Figs. 1 and 2. Fig.

First, the upper part of the concrete slab 7 to be coated with the adhesive is cleaned to remove foreign matter. Then, an adhesive is applied to the upper part of the concrete slab 7 to form a binder layer 10.

Next, a mat 15 of a nonwoven fabric material is spread on the binder layer 10, and the mat 15 is attached to the binder layer 10.

After the mat (15) is attached, the buffer module is installed on the mat (15). To this end, the unit panels 20 are arranged longitudinally and laterally to place a plurality of unit panels 20 on the mat.

After the cushioning module is installed, the hot water tube (30) is inserted into the sound insulating passage (27) to install the hot water tube (30). The hot water tube 30 is installed in the zigzag direction. Both ends of the hot water tube 30 are connected to the boiler so that the heating water heated in the boiler can circulate through the hot water tube.

Finally, a bottom closing member 40 is installed on the top of the buffer module in a conventional manner.

In the case of using the unit panel shown in FIG. 4, a circular receiving space is secured between the first heat transfer part 70 and the second heat transfer part 80, and then the hot water tube is passed through the receiving space, Install it. The lower portion of the first heat transfer portion 70 and the second heat transfer portion 80 are inserted into the sound insulating passage 59 through the cut-off hole 52 formed in the upper plate 51, The second heat transfer portions 70 and 80 are installed. In this state, the first and second seating portions 71 and 81, and the first and second half portions 73 and 83 are located in the sound-deadening passage 59. A circular receiving space is formed between the first and second half shields (73, 83).

By inserting the hot water tube into the accommodation space thus formed, the hot water tube is installed.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, and that various modifications and equivalent embodiments may be made by those skilled in the art. Accordingly, the true scope of protection of the present invention should be determined only by the appended claims.

7: concrete slab 10: binder layer
15: Matt 20: Unit panel
21: top plate 23: bottom plate
25: partition 27: sound passage
30: hot water tube 40: bottom finishing member

Claims (6)

delete delete delete A binder layer formed on an upper portion of the concrete slab;
A mat of a nonwoven fabric material provided on the binder layer;
A cushioning module installed at an upper portion of the mat, the cushioning module comprising unit panels of synthetic wood material having a plurality of independent sound-absorbing passages formed therein, the unit panels being coupled longitudinally and laterally;
A hot water tube inserted into the sound insulating passage and installed in the shock absorbing module;
And a bottom finishing member provided on the top of the buffer module,
Wherein each of the unit panels comprises a rectangular upper plate, a lower rectangular plate which is formed in the same size as the upper plate and spaced apart from and below the upper plate and eccentrically positioned in one of the left and right directions of the upper plate, And a plurality of barrier ribs formed between the upper plate and the lower plate to form the sound-deadening passages,
Wherein each of the unit panels includes heat transfer facilitating means for promoting heat transfer from the hot water tube to the bottom closing member,
Wherein the heat transfer facilitating means comprises a pair of first heat transfer portions and second heat transfer portions, the lower portion of which is inserted into the sound-absorbing passage to contact the hot water tube and the upper portion thereof is exposed on the upper plate,
The first heat transfer portion includes a first horizontal portion that is seated on the bottom of the sound-insulating passage, a first half portion that is formed on the upper portion of the first horizontal portion so as to surround the outer circumferential surface of the hot water tube, A first extension extending from the upper portion of the first half-shell to the outside of the sound-deadening passage through the hole, a first contact portion which is bent at a right angle at the first extension and horizontally, And,
The second heat transfer portion includes a second horizontal portion that is seated on the bottom of the sound-deadening passage, a second half portion that is formed on the upper portion of the second horizontal portion and has a half-width shape and surrounds the other side of the outer circumferential surface of the hot water tube, A second extending portion extending from the upper portion of the second half portion to the outside of the soundproofing passage; a second extending portion that is bent at a right angle in the second extending portion to be horizontally bent and bent in a direction opposite to the bending direction of the first extending portion, And a second contact portion that is in contact with a bottom surface of the closing member.

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KR1020150042734A 2015-03-26 2015-03-26 floor structure of house and construction method thereof KR101639372B1 (en)

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KR1020150042734A KR101639372B1 (en) 2015-03-26 2015-03-26 floor structure of house and construction method thereof

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KR101639372B1 true KR101639372B1 (en) 2016-07-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102630034B1 (en) * 2022-11-23 2024-01-29 최영근 Floor construction method for preventing interlayer noise and structure therefor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200374808Y1 (en) 2004-11-03 2005-02-03 주식회사 에스아이판 Floating floor structure for reducing floor a crashing sound in apartment house
KR200394352Y1 (en) * 2005-06-10 2005-09-01 본 춘 구 Hot water hypocaust plate a shock and noise
KR20090084182A (en) * 2008-01-31 2009-08-05 박연준 Shock-absorbing structure with heat insulating material for building bottom
KR101371142B1 (en) * 2013-11-27 2014-03-07 이병철 Floor for reducing noise flooring for heating of a prefabricated
KR20140055746A (en) * 2012-11-01 2014-05-09 김장수 Panel for hot water circulation floor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200374808Y1 (en) 2004-11-03 2005-02-03 주식회사 에스아이판 Floating floor structure for reducing floor a crashing sound in apartment house
KR200394352Y1 (en) * 2005-06-10 2005-09-01 본 춘 구 Hot water hypocaust plate a shock and noise
KR20090084182A (en) * 2008-01-31 2009-08-05 박연준 Shock-absorbing structure with heat insulating material for building bottom
KR20140055746A (en) * 2012-11-01 2014-05-09 김장수 Panel for hot water circulation floor
KR101371142B1 (en) * 2013-11-27 2014-03-07 이병철 Floor for reducing noise flooring for heating of a prefabricated

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102630034B1 (en) * 2022-11-23 2024-01-29 최영근 Floor construction method for preventing interlayer noise and structure therefor

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