KR102136980B1 - Floor structure of building and constructing method thereof - Google Patents

Abstract

The present invention relates to a floor structure of a building which provides a sound absorption and reduction structure that absorbs or reduces the noise transmitted to the floor of a building and an impact sound mitigation structure that mitigates the weight shock sound transmitted to the floor of a building, thereby effectively solving an inter-floor noise problem, and a construction method thereof. The floor structure of a building comprises: a first buffer member disposed on a floor slab and consisting of a plurality of unit wave-type plates; a sound absorbing member disposed on the first buffer member and absorbing noise coming into the floor by a triple structure; a noise attenuating member disposed on the sound absorbing member and attenuating the noise coming into the floor; a second buffer member disposed on the noise attenuating member and having a lower sponge pad layer, a polymer mesh layer, a glass wool layer, a porous aluminum foam layer, and an upper sponge pad layer, sequentially stacked therein; and a noise reduction unit formed on the side of a wall to surround the edge of the floor structure.

Description

Floor structure of building and its construction method{FLOOR STRUCTURE OF BUILDING AND CONSTRUCTING METHOD THEREOF}

The present invention relates to a floor structure of a building and a construction method thereof, by providing a sound absorbing and reducing structure for absorbing or reducing noise transmitted to the floor of a building and a shock sound absorbing structure for alleviating the weight impact sound transmitted to the floor of a building. It relates to a floor structure of a building and a construction method to effectively solve the floor noise problem.

In general, a typical construction method of a two-story or higher building such as an apartment or apartment house is completed by constructing a concrete slab according to the number of floors of the building, completing the basic construction, and then placing heating piping on the concrete slab at regular intervals. Is to construct gravel and cement mortar to a predetermined thickness.

As such, the slab that divides the floor and the floor of a multi-layered multi-storey building such as an apartment or high-rise building is constructed only with concrete, so the noise generated by the interior of the floor of the building and vibration due to impact are transmitted directly to the lower floor through the inter-layer slab. .

As a solution to block the noise or impact transmitted to the lower layer, a construction method was developed to form an interlayer noise prevention material between a concrete slab and lightweight foam concrete.

On the other hand, the floor ondol structure by the wet method of the conventional apartment house, as shown in Figure 1, the insulating material 11 installed on the floor slab (10), lightweight foam concrete (12), finishing mortar (13), Finishing material 14, it may be composed of a pipe (15).

However, in the floor structure according to the conventional wet method, there is only an element capable of reducing the floor impact sound, and even if the insulation material is replaced with a cushioning material, there is no significant effect in reducing the weight impact sound.

KR 10-1001590 B1 KR 10-1548985 B1

It is an object of the present invention to provide an effective noise reduction structure that absorbs or reduces noise transmitted to the floor of a building and an impact sound relief structure that mitigates a heavy impact sound transmitted to the floor of a building to effectively solve the inter-floor noise problem. It is to provide a floor structure of a building and its construction method.

Other objects and advantages of the present invention will be described below, and will be learned by embodiments of the present invention. In addition, the objects and advantages of the present invention can be realized by means and combinations indicated in the claims.

According to an aspect of the present invention, a floor structure of a building, a first buffer member disposed on a floor slab and composed of a plurality of unit wave-shaped plates; A sound absorbing member disposed on the first buffer member and absorbing noise flowing into the floor by a triple structure; A noise damping member disposed on the sound absorbing member and damping noise flowing into the floor; A second cushioning member disposed on the noise damping member and sequentially stacking a lower sponge pad layer, a polymer mesh layer, a glass wool layer, a porous foamed aluminum layer, and an upper sponge pad layer; And a noise reduction unit configured on a side surface of the wall surface to surround the edge of the floor structure, wherein the first shock absorbing member includes first and second unit wave-shaped plates installed to partially overlap, and the first and second unit waves. It includes a fixing member inserted through the overlapping portion of the mold plate to fix the first and second unit wave-shaped plates, and a pressing force reducing member disposed below the fixing member to reduce the pressing force transmitted to the fixing member. It is characterized by.

In addition, the pressing force reducing member, the support means formed at the bottom of the fixing member is seated chamber means for embedding fluid therein; And a pressing means formed to correspond to the lower surface of the support portion and forming a boundary surface between the fluid and the support portion when pressed, wherein the chamber means includes an upper surface opening through which the fixing member extends to an upper portion of the support portion, and It characterized in that it comprises a sealing means for sealing the upper opening.

In addition, a waterproof layer made of a polymer resin film is disposed between the first buffer member and the sound absorbing member, and the waterproof layer is made of a high density polyethylene (HDPE) film, a thermoplastic polyurethane (TPU) film, or a moisture-permeable waterproof film. .

In addition, the noise reduction unit, the body portion is formed a space portion of a constant size; A plurality of opening holes formed on one side of the main body to allow noise to flow in; A wave-shaped sound absorbing member filling a part of the space portion; And residual noise removing means disposed at a lower portion of the body portion to attenuate noise that is not reduced by the body portion.

In addition, the residual noise removing means is characterized in that the speaker.

In addition, the sound absorbing member, the intermediate sheet having a plurality of first sound-absorbing holes having a predetermined diameter at regular intervals; A plurality of first protrusions disposed on the upper surface of the intermediate sheet and projecting upward at the same height at regular intervals, and a top sheet having a second sound absorbing hole having a constant diameter in the center of the first protrusion; And a lower sheet disposed on the lower surface of the intermediate sheet, having a plurality of second protrusions protruding downwards at the same height at regular intervals, and forming a third sound absorbing hole having a constant diameter in the center of the second protrusion. It is characterized by.

In addition, the noise damping member includes a plurality of noise damping structures protruding upwards at the same height at regular intervals on the bottom plate, wherein the noise damping structures are vertical portions extending vertically from the bottom plate, and the vertical portions It includes a horizontal portion extending horizontally from the upper portion, the horizontal portion is formed with a through hole horizontally through the inside, the vertical portion is connected to the through hole so that noise transmitted through the through hole from the outside is vortexed It characterized in that the vortex sound insulation portion is formed.

In addition, the horizontal portion is characterized in that the cross-shaped cross-shaped.

In addition, further comprising a lower sound insulating portion provided on the bottom surface of the floor slab, the lower sound insulating portion, a lower wave-shaped plate; And a flaw panel integrated with the lower wave plate.

According to another aspect of the present invention, a method for constructing a floor structure of a building, the method comprising: disposing a noise reduction unit on a side surface of a wall to surround an edge of the floor structure; Disposing a first buffer member composed of a plurality of unit wave-shaped plates on the floor slab; Disposing a sound absorbing member adapted to absorb noise flowing into the floor by a triple structure on the first buffer member; Placing a noise damping member on the sound absorbing member to attenuate noise flowing into the floor; And disposing a second buffer member on which the lower sponge pad layer, the polymer mesh layer, the glass wool layer, the porous foam aluminum layer, and the upper sponge pad layer are sequentially stacked on the noise damping member. The member is inserted through the first and second unit wave-shaped plates that are installed so as to partially overlap, and the first and second unit wave-shaped plates overlapping portions to fix the first and second unit wave-shaped plates. And a fixing member and a pressing force reducing member disposed under the fixing member to reduce the pressing force transmitted to the fixing member.

According to the floor structure and the construction method of the building of the present invention, the interlayer is provided by providing a sound absorbing and reducing structure for absorbing or reducing noise transmitted to the floor of the building and a shock sound absorbing structure for alleviating the weight impact sound transmitted to the floor of the building. There is an effect that can effectively solve the noise problem.

1 is a view showing the floor structure of a building according to a first embodiment of the present invention,
2 to 4 is a view showing the configuration of the first buffer member according to Figure 1,
5 is a view showing the configuration of the noise reduction unit according to Figure 1,
6 is a view showing the configuration of the sound absorbing member according to FIG. 1,
7 and 8 is a view showing the configuration of the noise damping member according to Figure 1,
9 is a view showing the configuration of the second buffer member according to Figure 1,
10 and 11 are views showing the floor structure of the building according to the second embodiment of the present invention,
12 is a view showing the floor structure of a building according to the prior art.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. However, the spirit of the present invention is not limited to the presented embodiments, and a person skilled in the art who understands the spirit of the present invention may add another component within the scope of the same spirit, change, delete, etc. Other embodiments included within the scope of the invention idea can be easily proposed, but this will also be included within the scope of the invention.

In addition, elements having the same functions within the scope of the same idea appearing in the drawings of the respective embodiments will be described using the same reference numerals.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings, showing preferred embodiments.

In describing the present invention, when it is determined that detailed descriptions of related known functions or configurations may unnecessarily obscure the subject matter of the present invention, detailed descriptions thereof will be omitted.

1 is a view showing the floor structure of a building according to the first embodiment of the present invention, FIGS. 2 to 4 are views showing the configuration of the first buffer member according to FIG. 1, and FIG. 5 is noise according to FIG. 1 6 is a view showing the configuration of the reduction unit, FIG. 6 is a view showing the configuration of the sound absorbing member according to FIG. 1, FIGS. 7 and 8 are views showing the configuration of a noise damping member according to FIG. 1, and FIG. 9 is shown in FIG. 1. It is a view showing the configuration of a second cushioning member, and FIGS. 10 and 11 are views showing a floor structure of a building according to a second embodiment of the present invention.

Referring to FIG. 1, the floor structure of the building according to the first embodiment of the present invention is a floor slab 110, a heat insulating material 111, a lightweight foam concrete 112, a pipe 115, a finishing mortar 113, and a finishing material (114), between the floor slab 110 and the insulating material 111, the first buffer member 200, a waterproof layer 117, a sound absorbing member 400, a noise damping member 500, The second buffer member 600 is sequentially arranged from the bottom to the top, and the noise reduction unit 300 is configured on the side surface of the wall.

The first buffer member 200 is disposed on the floor slab 110 and is composed of a plurality of unit wave-shaped plates.

2 to 4 (FIG. 3 is an enlarged view of part A of FIG. 2, and FIG. 4 is an enlarged view of part B of FIG. 2), the plurality of unit wave plates are installed to partially overlap And first and second unit wave-shaped plates 210 and 212.

A fixing member 214 is inserted through the overlapping portion of the first and second unit wave-shaped plates 210 and 212 to fix the first and second unit wave-shaped plates 210 and 212.

Between the overlapping portions of the first and second unit wave-shaped plates 210 and 212, a packing member P is provided, and nuts N are provided on both sides to secure the coupling force, and the nut on the upper side ( N) may be fitted with a rubber cap to prevent corrosion and the like.

The lower portion of the fixing member 214 includes a pressing force reducing member 220 for reducing the pressing force transmitted to the fixing member 214.

The pressing force reducing member 220 is provided with a support portion 216 formed at the bottom of the fixing member 214, the chamber means 221 for embedding the fluid L therein, and the lower portion of the support portion 216 It is formed to correspond to the surface and includes pressing means 225 for forming a boundary surface between the fluid L and the support part 216 when pressed.

At this time, the pressing means 225 is configured so as not to completely restrict the movement of the fluid (L) so that the fluid (L) moves through the inner circumferential surface of the pressing means 225 and the chamber means 221 when a predetermined pressure is applied. It is composed.

The chamber means 221 seals the upper surface opening 223 where the fixing member 214 extends to the upper portion of the support portion 216 and the upper surface opening 223 to leak fluid L. It includes a sealing means 224 to prevent.

Therefore, when the pressing force is not transmitted to the fixing member 214, the support part 216 can be maintained floating on the upper surface of the fluid L in the chamber means 221 by the pressing means 225, When a predetermined or more pressing force is applied to the fixing member 214, the fluid L may move through the inner circumferential surfaces of the chamber means 221 by the pressing means 225, and may act as a kind of damping, and as a result, it is delivered to the floor. It becomes possible to effectively reduce the weight impact noise and vibration.

The sound absorbing member 400 is disposed on the first buffer member 200 and is configured to absorb noise flowing into the floor by a triple structure.

Referring to Figure 6, the sound absorbing member 400, a plurality of first sound-absorbing holes 411 having a predetermined diameter at regular intervals are formed on the intermediate sheet 410, and the intermediate sheet 410 is disposed on the upper surface The upper sheet is formed with a plurality of first protrusions 421 protruding upward at the same height at regular intervals, and a second sound absorbing hole 422 having a constant diameter in the center of the first protrusions 421 ( 420), a plurality of second protrusions 431 are disposed on the lower surface of the intermediate sheet 410, protruding downward to the same height at regular intervals, a constant diameter in the center of the second protrusion 431 It is configured to include a lower sheet 430 is formed with a third sound-absorbing hole (432).

Therefore, the sound absorbing member 400 is the first sound absorbing hole 411, the second sound absorbing hole 422 in the first protrusion 421, and the third sound absorbing hole 432 in the second protrusion 431 It is possible to effectively absorb noise transmitted to the floor by the relationship.

Preferably, the middle sheet 410 is made of a material having low elasticity, and the top sheet 420 and the bottom sheet 430 can be made of a material having high elasticity.

In addition, a waterproof layer 117 made of a polymer resin film capable of preventing the penetration of moisture may be disposed between the first buffer member 200 and the sound absorbing member 400.

In one example, the waterproof layer 117 is made of a high density polyethylene (HDPE) film, a thermoplastic polyurethane (TPU) film or a moisture-permeable waterproof material.

The thickness of the waterproof layer 117 is not particularly limited, but may be in the range of 0.1 mm to 2.0 mm to provide sufficient waterproofness.

The noise damping member 500 is disposed on the sound absorbing member 400 and is configured to attenuate noise flowing into the floor.

Referring to FIG. 7, the noise attenuating member 500 includes a plurality of noise attenuating structures 520 projecting upward at the same height at regular intervals on the lower plate 510.

8 is an enlarged view of a portion C of FIG. 7, referring to FIG. 8A, the noise damping structure 520 includes a vertical portion 524 extending vertically from the lower plate 510 and the vertical portion 524 ) Includes a horizontal portion 526 extending horizontally from an upper end portion, and a through hole 521 horizontally penetrating therein is formed in the horizontal portion 526, and the through hole (520) is formed in the vertical portion 524. 521) is connected to the vortex sound blocking portion 622 is formed so that the noise transmitted through the through-hole 521 from the outside. Here, the volume of the vortex sound insulation portion 622 may be formed to be larger than the volume of the through hole 521.

For example, the vortex sound insulation portion 622 may be formed as a tapered groove so that the noise transmitted from the outside becomes a vortex in the interior space and the amount of noise transmitted to the bottom is minimized.

The horizontal portion 526 may be cross-shaped in a cross shape, but is not limited thereto.

As shown in Figure 8b, the noise flowing through the through-hole 521 of the horizontal portion 526 occurs in various forms of vortex at the time when it flows into the vortex sound blocking portion 622 of the vertical portion 524. As a result, the magnitude of noise transmitted to the lower portion can be minimized.

The arrow shown in FIG. 8B is only an example, and it is needless to say that vortices of a very complex shape can be generated hydrodynamically.

The second buffer member 600 is formed by at least a five-layer structure

9, the second buffer member 600 is disposed on the noise damping member 500, the lower sponge pad layer 610, the polymer mesh layer 612, the glass wool layer 614, porous foamed aluminum It is formed by laminating the layer 616 and the upper sponge pad layer 618 in order.

The polymer mesh layer 612 serves to prevent the lower sponge pad layer 610 from being pushed.

The polymer mesh forming the polymer mesh layer 612 is any one selected from the group consisting of Ethylene Copolymer Bitumen (ECB), Ethylene Propylene Diene Monomer (EPDM), Ethylene Vinyl Acetate (EVA), and High Density Polyethylene (HDPE). What was produced above can be used.

The glass wool layer 614 has a density of 40K and a thickness of 40T.

The characteristics of the porous foamed aluminum forming the porous foamed aluminum layer 616 are porous, light, non-directional, free of processing, and mechanical properties with excellent stiffness, and particularly excellent sound absorption properties.

The second buffer member 600 may be formed by pressing to have a constant thickness.

In one example, the second buffer member 600, the lower sponge pad layer 610, the polymer mesh layer 612, the glass wool layer 614, the porous foam aluminum layer 616, and the upper sponge pad layer 618 It is manufactured by laminating in order, heating using a heating device having a temperature of 200 to 300°C, and then compressing and molding to a thickness of 20 to 50 mm using a cooling roll having a temperature of 80 to 100°C. Can be.

When the second cushioning member 600 is pressed and manufactured in this manner, it has an advantage of not only increasing strength but also not increasing the layer thickness of the floor structure of the building.

The noise reduction unit 300 is configured on the side of the wall surface to surround the edge of the floor structure.

On the other hand, referring to Figure 5, the noise reduction unit 300, the main body portion 310 is formed with a space portion of a certain size, and is formed on one side of the body portion 310, a plurality of opening holes through which noise is introduced 312, a wave-shaped sound absorbing member 320 filling a part of the space in the body portion 310, and disposed under the body portion 310 to reduce noise that is not reduced by the body portion 310 It comprises a residual noise removing means 330 to attenuate.

The opening hole 312 of the body portion 310 may be formed at a regular interval on one side of the body portion 310.

Preferably, the opening hole 312 of the main body 310 may be configured at a position to allow noise to flow from the first cushioning member 200, the sound absorbing member 400, and the noise damping member 500, In addition, it may also be configured at least in a position to allow noise to flow in from the room (eg, exposed to the top of the finishing material 114).

The wave-type sound absorbing member 320 partially absorbs noise flowed through the opening hole 312.

The residual noise removing means 330 may emit an offset signal for attenuating residual noise.

To this end, the control unit 340 receives a noise transmitted to the floor and converts it into a noise signal, which is an electrical signal, and generates an offset signal capable of reducing noise based on the noise signal transmitted from the microphone (not shown) and the microphone. It may include a signal processing unit (not shown).

The signal processing unit may filter out only a signal having a frequency of an audible band among noise signals and generate an offset signal corresponding thereto.

The residual noise removing means 330 receives an offset signal from a signal processing unit and emits it, and may be configured as a speaker. The offset signal may be a signal having the same frequency and amplitude as the noise signal to be canceled, but in phase.

10 and 11 are views showing a floor structure of a building according to a second embodiment of the present invention.

10 and 11, the floor structure of the building according to the second embodiment of the present invention may further include a lower sound insulation portion 700 provided on the lower surface of the floor slab 110.

The lower sound insulation portion 700 may include a lower wave plate 710 and a flaw panel 720 integrated with the lower wave plate 710.

The lower wave plate 710 is coupled to the lower surface of the floor slab 110 using a plurality of studs 731 as a connecting material, and a space 732 is formed between them to reduce noise.

The lower sound insulation portion 700 has an advantage of further reducing the interlayer noise by having a sound insulation structure on the lower surface of the floor slab 110.

On the other hand, looking at the construction method of the floor structure of the building construction of the floor structure of the building according to the present invention configured as described above, placing a noise reduction unit 300 on the side of the wall surface to surround the border of the floor structure; Disposing a first buffer member 200 composed of a plurality of unit wave-shaped plates on the floor slab 110; Disposing a sound absorbing member 400 adapted to absorb noise flowing into the floor by a triple structure on the first buffer member 200; Disposing a noise damping member 500 on the sound absorbing member 400 to damp the noise flowing into the floor; And a lower sponge pad layer 610, a polymer mesh layer 612, a glass wool layer 614, a porous aluminum foam layer 616, and an upper sponge pad layer 618 on the noise damping member 500 in order. And disposing the stacked second buffer member 600, wherein the first buffer member 200 includes first and second unit wave-shaped plates 210 and 212 installed to partially overlap, and the first A fixing member 214 for penetrating the first and second unit wave plates 210 and 212 to fix the first and second unit wave plates 210 and 212, and the fixing member ( It is characterized in that it comprises a pressing force reducing member 220 for reducing the pressing force transmitted to the fixing member 214 is disposed under the 214).

In addition, the step of disposing the lower sound insulating portion 700 on the lower surface of the floor slab 110 may be further included.

In the above, the configuration and features of the present invention have been described based on the embodiment according to the present invention, but the present invention is not limited to this, and various modifications or changes can be made within the spirit and scope of the present invention. It is apparent to those skilled in the art, and thus, such changes or modifications are revealed to be within the scope of the appended claims.

110: floor slab 111: insulation
112: lightweight foam concrete 115: piping
113: finishing mortar 114: finishing material
117: waterproof layer 200: first buffer member
300: noise reduction unit 400: sound absorbing member
500: noise damping member 600: second buffer member

Claims (18)

As the floor structure of the building,
A first cushioning member disposed on the floor slab and composed of a plurality of unit wave-shaped plates;
A sound absorbing member disposed on the first buffer member and absorbing noise flowing into the floor by a triple structure;
A noise damping member disposed on the sound absorbing member and damping noise flowing into the floor;
A second cushioning member disposed on the noise damping member and sequentially stacking a lower sponge pad layer, a polymer mesh layer, a glass wool layer, a porous foamed aluminum layer, and an upper sponge pad layer; And
Includes a noise reduction unit configured on the side of the wall surface to surround the border of the floor structure,
The first buffer member,
First and second unit wave-shaped plate is installed so as to partially overlap,
A fixing member inserted through the overlapping portion of the first and second unit wave plates to fix the first and second unit wave plates;
A floor structure of the building, characterized in that it comprises a pressing force reducing member disposed under the fixing member to reduce the pressing force transmitted to the fixing member. According to claim 1,
The pressing force reducing member,
A chamber means for seating a support portion formed at the bottom of the fixing member and embedding fluid therein; And
It is formed to correspond to the lower surface of the support portion and includes pressing means for forming a boundary surface between the fluid and the support portion when pressed,
The chamber means is a floor structure of the building, characterized in that it comprises a sealing means for sealing the upper surface opening and the upper surface opening to which the fixing member extends to the upper portion of the support. According to claim 1,
A waterproof layer made of a polymer resin film is disposed between the first buffer member and the sound absorbing member, and the waterproof layer is made of a high-density polyethylene (HDPE) film, a thermoplastic polyurethane (TPU) film, or a moisture-permeable waterproof film. Floor structure. According to claim 1,
The noise reduction unit,
A body part having a space part having a constant size;
A plurality of opening holes formed on one side of the main body to allow noise to flow in;
A wave-shaped sound absorbing member filling a part of the space portion; And
Floor structure of the building, characterized in that it comprises a residual noise removal means disposed at the lower portion of the body portion to attenuate the noise that is not reduced by the body portion. According to claim 4,
The residual noise removing means is a floor structure of a building, characterized in that the speaker. According to claim 1,
The sound absorbing member,
An intermediate sheet having a plurality of first sound-absorbing holes having a predetermined diameter at regular intervals;
A plurality of first protrusions disposed on the upper surface of the intermediate sheet and projecting upward at the same height at regular intervals, and a top sheet having a second sound absorbing hole having a constant diameter in the center of the first protrusion; And
A plurality of second protrusions disposed on the lower surface of the intermediate sheet and projecting downward to the same height at regular intervals are formed, and the lower sheet is formed with a third sound absorbing hole having a constant diameter in the center of the second protrusion. Floor structure of the building, characterized in that. According to claim 1,
The noise attenuating member includes a plurality of noise attenuating structures protruding upwardly at the same height at regular intervals on the bottom plate, wherein the noise attenuating structure is vertically extending from the bottom plate and the upper end of the vertical portion. A vortex that includes a horizontal portion extending horizontally, and a through hole that horizontally penetrates therein is formed in the horizontal portion, and a noise that is transmitted through the through hole from outside is connected to the through hole in the vertical portion. Floor structure of the building, characterized in that the sound insulation is formed. The method of claim 7,
The horizontal structure is a floor structure of a building, characterized in that cross-shaped cross-shaped. According to claim 1,
Further comprising a lower sound insulating portion provided on the bottom surface of the floor slab, the lower sound insulating portion,
Lower wave plate; And
Floor structure of the building, characterized in that it comprises a flaw panel integrated with the lower wave plate. As a method of constructing the floor structure of a building,
Disposing a noise reduction unit on a side surface of the wall surface so as to surround the edge of the floor structure;
Disposing a first buffer member composed of a plurality of unit wave-shaped plates on the floor slab;
Disposing a sound absorbing member adapted to absorb noise flowing into the floor by a triple structure on the first buffer member;
Disposing a noise damping member on the sound absorbing member to damp the noise flowing into the floor; And
And disposing a second buffer member on which the lower sponge pad layer, the polymer mesh layer, the glass wool layer, the porous foam aluminum layer, and the upper sponge pad layer are sequentially stacked on the noise damping member,
The first buffer member,
First and second unit wave-shaped plate is installed so as to partially overlap,
A fixing member inserted through the overlapping portion of the first and second unit wave plates to fix the first and second unit wave plates;
A method for constructing a floor structure of a building, comprising a pressure reducing member disposed under the fixing member to reduce a pressing force transmitted to the fixing member. The method of claim 10,
The pressing force reducing member,
A chamber means for seating a support portion formed at the bottom of the fixing member and embedding fluid therein; And
It is formed to correspond to the lower surface of the support portion and includes pressing means for forming a boundary surface between the fluid and the support portion when pressed,
The chamber means is a floor structure construction method of the building, characterized in that it comprises a sealing means for sealing the upper surface opening and the upper surface opening to which the fixing member extends to the upper portion of the support. The method of claim 10,
A waterproof layer made of a polymer resin film is disposed between the first buffer member and the sound absorbing member, and the waterproof layer is made of a high-density polyethylene (HDPE) film, a thermoplastic polyurethane (TPU) film, or a moisture-permeable waterproof film. Floor structure construction method. The method of claim 10,
The noise reduction unit,
A body part having a space part having a constant size;
A plurality of opening holes formed on one side of the main body to allow noise to flow in;
A wave-shaped sound absorbing member filling a part of the space portion; And
A method of constructing a floor structure of a building, characterized in that it comprises a residual noise removing means disposed at a lower portion of the body portion to attenuate noise not reduced by the body portion. The method of claim 13,
The residual noise removing means is a floor structure construction method of a building, characterized in that the speaker. The method of claim 10,
The sound absorbing member,
An intermediate sheet having a plurality of first sound-absorbing holes having a predetermined diameter at regular intervals;
A plurality of first protrusions disposed on the upper surface of the intermediate sheet and projecting upward at the same height at regular intervals, and a top sheet having a second sound absorbing hole having a constant diameter in the center of the first protrusion; And
A plurality of second protrusions disposed on the lower surface of the intermediate sheet and projecting downward to the same height at regular intervals are formed, and the lower sheet is formed with a third sound absorbing hole having a constant diameter in the center of the second protrusion. Floor structure construction method of a building, characterized in that. The method of claim 10,
The noise attenuating member includes a plurality of noise attenuating structures protruding upwardly at the same height at regular intervals on the bottom plate, wherein the noise attenuating structure is vertically extending from the bottom plate and the upper end of the vertical portion. A vortex that includes a horizontal portion extending horizontally, and a through hole that horizontally penetrates therein is formed in the horizontal portion, and a noise that is transmitted through the through hole from outside is connected to the through hole in the vertical portion. Floor structure construction method of a building characterized in that the sound insulation is formed. The method of claim 16,
The horizontal structure is a floor structure construction method, characterized in that cross-shaped cross-shaped. The method of claim 10,
The method further includes disposing a lower sound insulating portion on the lower surface of the floor slab, wherein the lower sound insulating portion comprises:
Lower wave plate; And
Floor structure construction method of the building, characterized in that it comprises a hapson panel integrated with the lower wave plate.

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