KR20040088599A - A flooring system and its construction process for thermal and impact-noise reduction performance of the apartment house - Google Patents

Abstract

PURPOSE: A floor structure of multihousing with improved adiabatic efficiency and floor impact sound reduction efficiency is provided to semi-dry the floor structure of multihousing, to reduce lightweight impact sound by forming a floor structure in a triple floating structure, to shorten a period of construction by emitting the lightweight concrete placing work and to improve adiabatic efficiency. CONSTITUTION: The floor structure of multihousing with improved adiabatic efficiency and floor impact sound reduction efficiency comprises: a primary adiabatic and floor impact sound reduction member(10) installed on the upper part of a concrete slab and made of EVA foam, EPAD foam, polyethylene, etc. which has low elasticity and excellent adiabatic efficiency; a secondary adiabatic and floor impact sound reduction member(20) installed on the upper part of the primary adiabatic and floor impact sound reduction member(10), made of PE form or Styrofoam, etc. which has low elasticity and excellent adiabatic efficiency, and provided with a semi-globular block bearing(21) to form a floating floor by placing an air layer between the primary and secondary adiabatic and floor impact sound reduction members(10,20); and a synthetic resins panel(30) fixing on the upper part the secondary adiabatic and floor impact sound reduction member(20) and provided with connecting wedge attaching grooves formed on four upper corners to join panels, a clip groove(32) formed at regular intervals to fix a heating pipeline and a crossed projection(33) projected upward to heighten the adhesive strength with upper cement mortar.

Description

A flooring system and its construction process for thermal and impact-noise reduction performance of the apartment house

The present invention relates to a floor structure of a multi-family house and a construction method thereof, and more particularly, to a floor structure and a construction method of a multi-family house to reduce the floor impact sound (interlayer noise) and to improve the insulation performance.

Recently, noise pollution is an important factor in determining the residential environment of residents in apartments, villas, tenement houses, and multi-family houses. Among them, floor impact sounds directly cause discomfort to residents. It is recognized as one of the most important factors.

The general structure of the multi-family house floor is finished with cement mortar by installing lightweight foamed concrete for insulation performance on the upper surface of the concrete slab, and then installing heating piping on the upper surface of the lightweight foamed concrete that has been poured.

However, the floor structure of the conventional multi-unit house integrated structure as described above is pointed out as an unpleasant factor in terms of sound environment as the floor impact sound is transmitted to the lower generation through the floor slab and the wall.

In order to reduce the heavy impact sound caused by the resident's walking sound among these floor impact sounds, it is effective to increase the rigidity or surface density (thickness) of the concrete slab that plays a structural role, and to reduce the light impact sound caused by the sound of dropping objects. For this purpose, it is known that the method of applying the floating bottom structure or the soft buffer system is effective.

Under such a background, as shown in FIG. 1, in order to reduce the floor impact sound, the concrete slab 1 and the floor structure (lightweight foam concrete (4), hot water pipe (3), finishing mortar (5)) Efforts have been made to reduce floor impact sound by additionally installing a cushioning material such as waste tire chips or styrofoam with a low elastic modulus of 20 to 30 mm to reduce the transfer of waves between layers.

However, the method according to the above may have some effect on the light impact sound, but it was found that the shock absorber 2 installed about 20 to 30 mm has little effect on the reduction of the heavy impact sound.

Moreover, in order to satisfy the inter-layer insulation standard of the MDU, the thickness of the lightweight concrete 4, which is placed on the upper part, cannot be greatly reduced. There was also a limit to increasing the thickness of the slab 1.

Thus, in some systems, as shown in Figure 2, by introducing a semi-drying method, to install a cushioning material (6) at the bottom and the plastic panel (7) at the top to install the pipe and configure the finishing layer It has been designed and applied.

However, the conventional semi-drying method as described above has the effect of shortening the air by installing the plastic panel 7 instead of the lightweight concrete 4 by the wet method, but in order to satisfy the inter-layer insulation standard of the apartment house, the conventional lightweight concrete (4). Instead, the thickening of the cushioning material 6 installed in the lower part becomes thicker, so that the expected effect of reducing the weight impact sound cannot be obtained by actually reducing the thickness of the floor structure and increasing the thickness of the concrete slab 1, which is a structure. There was a limit.

Accordingly, the present invention has been made to solve the above problems, by reducing the weight impact sound and light impact sound at the same time, by increasing the insulation performance, to promote efficient use of energy and to create a comfortable living space To provide a floor structure and its construction method.

1 is a cross-sectional view of the construction of a multi-family house floor structure by lightweight concrete.

2 is a cross-sectional view of the construction of the floor structure of the multi-family house by the conventional semi-drying method

Figure 3 is a cross-sectional view of the construction of a multi-family house floor structure according to the present invention.

4 is a perspective view of a multi-floor floor structure according to the present invention.

Figure 5 is a perspective view of the construction of the connecting chain according to an embodiment of the present invention.

6 is a perspective view of a pipe ring according to an embodiment of the present invention.

7 is a construction flowchart of the floor structure of the multi-family house according to the present invention.

* Explanation of symbols for the main parts of the drawings

10: first insulation and floor impact sound reduction material

20: second insulation and floor impact sound reduction material

30: synthetic resin panel 33: cross projection

40: heating piping 50: connecting chain 60: piping hook

In order to achieve the above object, the present invention, in the floor structure of the multi-family house to improve the insulation performance and floor impact sound reduction performance, by forming an air layer of a certain space between the concrete slab to form a single floating floor structure Second insulation and floor impact sound reducing material, and the second insulation and floor impact sound reducing material to be formed so that an air layer of a predetermined space is formed on the upper surface of the first insulation and floor impact sound reduction material, and a double floating floor structure, and the The air insulation of a predetermined space is formed on the upper surface of the second insulation and the floor impact sound reducing material to form a triple floating bottom structure, and the upper portion of the upper surface of the synthetic resin panel configured to install a hot water pipe.

In addition, the floor structure construction method of the multi-unit house to improve the insulation performance and floor impact sound reduction performance, the first step of performing the ground cleaning and smoothness after pouring the concrete slab; A second step of installing a first insulation and a floor impact sound reducing material such that an air layer of a predetermined space is formed on an upper surface of the concrete slab; A third step of installing a second insulation and a floor impact sound reduction material such that an air layer of a predetermined space is formed on an upper surface of the first insulation and floor impact sound reduction material; A fourth step of inserting a synthetic resin panel so that an air layer of a predetermined space is formed on an upper surface of the second insulation and the floor impact sound reduction material; A fifth step of connecting and fixing the synthetic resin panels continuously installed by repeating the above steps; A sixth step of installing a hot water pipe on an upper surface of the synthetic resin panel fixed by the above; And a seventh step of finishing by pouring finishing mortar on the upper surface of the synthetic resin panel.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is a cross-sectional view of the construction of a multi-unit housing floor structure according to the present invention, Figure 4 is a perspective view of a multi-family housing floor structure according to the present invention, Figure 5 is a perspective view of the construction of the connection chain according to an embodiment of the present invention, Figure 6 Is a perspective view of a pipe ring according to an embodiment of the present invention, Figure 7 is a construction flow diagram of a floor structure of a multi-unit house according to the present invention.

As shown in Figure 3 and 4, the floor structure of the multi-family house according to the present invention is the first insulation and floor impact sound reduction material 10 is installed on the upper surface of the concrete slab, and the first insulation and floor impact sound reduction material (10) The second insulation and bottom impact sound reduction material 20 is installed on the upper surface, and the second insulation and bottom impact sound reduction material 20 is composed of a synthetic resin panel 30 for inserting and fixing from the top.

The first insulation and floor impact sound reduction material 10 may be a material such as low elastic modulus and excellent thermal insulation performance (EVA Foam, EPAD Foam), polyethylene, etc., by placing an air layer between the concrete slab The hemispherical convex support part 11 is provided in the lower part so that a bottom structure may be formed.

The second insulation and the bottom impact sound reduction material 20 may be a material such as low elastic modulus and excellent thermal insulation performance (PE Form) or styrofoam, and the first insulation and the bottom impact sound reduction material (10) The hemispherical convex support part 21 is provided in the lower part so that an air layer may be formed between them, and the floating bottom structure may be formed.

The synthetic resin panel 30 has a hexahedral shape with an open lower surface, and a connecting chain attachment groove 31 formed at four upper corners to join the panels, and clip grooves 32 formed at predetermined intervals to fix the hot water pipe. And a cross-shaped protrusion 33 protruding upward to promote adhesion with the upper layer cement mortar.

As the material of the synthetic resin panel 30, an inorganic material or a material having a low elastic modulus and a high density may be ideal so that the synthetic resin panel 30 may be integrated with cement mortar which is constructed as an upper finishing surface.

The clip groove 32 is a cylindrical groove protruding downward, is unevenly coupled to the groove 22 formed in the second insulation and the bottom impact sound reduction material 20, but longer than the depth of the groove 22 Is formed, it is possible to form a floating floor structure having an air layer between the synthetic resin panel 30 and the second insulation and the bottom impact sound reduction material 20.

5 is a perspective view showing the construction of a connecting wedge according to an embodiment of the present invention, wherein the connecting wedge 50 is four wedge portions inserted into and fixed to the connection wedge attachment groove 31 of the synthetic resin panel 30. And a connecting plate 52 for integrally connecting the wedges 51 together.

Figure 6 shows a perspective view of a pipe ring according to an embodiment of the present invention, the pipe ring 60 is a hook portion 61 for fixing the hot water pipe 40 of the upper, and the hook portion 61 Is connected to the lower portion of the) is composed of a fitting fastener 62 is inserted into the clip groove 32 of the synthetic resin panel.

Hereinafter, the construction method according to an embodiment of the present invention will be described in detail with reference to the construction flow diagram of FIG. 7.

In order to construct the floor structure of a multi-family house according to the present invention, first, the concrete slab bottom surface of the cast-in-place is clean and grounded by performing a smoothness operation.

When the ground treatment of the concrete slab is completed by the above, by installing the first insulation and the bottom impact sound reduction material 10 to form an air layer of a predetermined space on the upper surface of the concrete slab to form a single floating floor structure, and The second insulation and the bottom impact sound reduction material 20 are installed to form an air layer of a predetermined space on the upper surface again to form a double floating floor structure.

Subsequently, by inserting the protrusions of the clip grooves 32 of the synthetic resin panel 30 into the grooves 22 of the second insulation and the bottom impact sound reduction material 20 so as to be unevenly coupled to each other, a triple layer having an air layer of a predetermined space is floated. A bottom structure is formed, and the second insulation and the bottom impact sound reducing material 20 and the first insulation and the bottom impact sound reducing material 10 are integrally fixed with the synthetic resin panel 30.

When the synthetic resin panel is completed by repeating the above steps, the assembled panels are continuously arranged, and the connecting chain 50 is attached to the connecting chain attachment groove 31 to fix the interconnections.

Thereafter, the hot water pipe 40 is installed using the pipe ring 60 on the upper surface of the synthetic resin panel 30, and the finishing surface is poured by finishing mortar.

Hereinafter, in order to determine the thermal insulation performance and floor impact sound reduction performance of the multi-floor floor structure according to the present invention, after the test measurement of the floor structure of the multi-family house according to the conventional construction method and the floor structure of the multi-family house according to the present invention under the same conditions And the values are shown in Table 1 and Table 2.

At this time, the conventional method (1) is a floor structure without the cushioning material, that is, a floor structure that is finished with cement mortar after installing about 60mm of lightweight foamed concrete on the concrete slab and installing hot water pipes. 1) is a floor structure to which a wet and semi-dry single bottom structure is applied to which a buffer of one layer is applied as shown in FIG. 1.

<Measurement Result of Floor Impact Sound Reduction> division Light impact Heavy impact sound Inverse A characteristic L-index Improvement L-index Improvement Light impact Heavy impact sound Conventional Method (1) 77 - 49 - 68 45 Conventional Method (2) 65 12 44 5 56 40 Invention 62 15 39 10 53 34

<Insulation performance measurement result> Calculation of thermal insulation performance of the present invention Material name Thickness (mm) Thermal Conductivity (kcal / mhr ℃) Heat transfer resistance (㎡hr ℃ / kcal) Heat transmission rate (kcal / ㎡hr ℃) Surface resistance - 8.00 0.125 0.669 Floor finishing materials 3 0.16 0.019 Cement mortar 40 1.20 0.033 Synthetic Resin Panel 10 0.15 0.067 Styrofoam 10 0.034 0.294 Buffer 20 0.031 0.645 Concrete slab 150 1.40 0.11 Ceiling Finishes 5 0.18 0.003 Surface resistance - - 0.2 Sum 238 1.495

Calculation of Insulation Performance of Conventional Method (1) Material name Thickness (mm) Thermal Conductivity (kcal / mhr ℃) Heat transfer resistance (㎡hr ℃ / kcal) Heat transmission rate (kcal / ㎡hr ℃) Surface resistance - 8.00 0.125 1.088 Floor finishing materials 3 0.16 0.019 Cement mortar 40 1.20 0.033 Lightweight Foam Concrete 60 0.14 0.429 Concrete slab 150 1.40 0.11 Ceiling Finishes 5 0.18 0.003 Surface resistance - - 0.2 Sum 258 0.919

Calculation of thermal insulation performance of the conventional method (2) Material name Thickness (mm) Thermal Conductivity (kcal / mhr ℃) Heat transfer resistance (㎡hr ℃ / kcal) Heat transmission rate (kcal / ㎡hr ℃) Surface resistance - 8.00 0.125 0.70 Floor finishing materials 3 0.16 0.019 Cement mortar 40 1.20 0.033 Lightweight Foam Concrete 40 0.14 0.285 Buffer 20 0.031 0.645 Concrete slab 150 1.40 0.11 Ceiling Finishes 5 0.18 0.003 Surface resistance - - 0.2 Sum 258 1.42

As described above, the present invention has the effect of semi-drying the floor structure of the multi-family house, and by configuring the floor structure as a triple floating floor structure to reduce the light impact sound.

In addition, due to the air layer of the triple floating floor structure, the thermal insulation performance is improved, which can reduce the thickness of the floor structure by about 10 to 20 mm than the conventional floor structure, by increasing the concrete slab thickness in the limited apartment floor height relatively Heavy impact sound is also effective to reduce at the same time.

In addition, it is possible to shorten the air by omitting the light concrete placing work, which is a conventional wet process, and the overall heat insulating performance is also improved than the conventional method.

Claims (9)

In the floor structure of the multi-family house to improve the insulation performance and floor impact sound reduction performance, A first insulation and floor impact sound reducing material having an air layer of a predetermined space between the concrete slab to form a single floating floor structure, A second insulating and bottom impact sound reducing material for forming a double floating floor structure by installing an air layer in a predetermined space on the upper surface of the first insulating and bottom impact sound reducing material, and Synthetic resin panel is configured to form a triple bottom structure by installing an air layer of a predetermined space on the upper surface of the second insulation and the floor impact sound reduction material, the top of which is to install a hot water pipe Floor structure of a multi-family house comprising a. The method according to claim 1, The first insulation and floor impact sound reducing material and the second insulation and floor impact sound reducing material Hemispherical convex support at the bottom to form floating floor structure Floor structure of a multi-family house comprising a. The method according to claim 1 or 2, The first insulation and floor impact sound reduction material Foam (EVA Foam, EPAD Foam) or Polyethylene Floor structure of a multi-family house, characterized in that consisting of. The method according to claim 1 or 2, The second insulation and floor impact sound reduction material PE Form or Styrofoam Floor structure of a multi-family house, characterized in that consisting of. The method according to claim 1, The synthetic resin panel It is an hexahedral shape with the lower surface of inorganic material or less dense material. A connecting chain attachment groove formed at the top four corners to join the panels; Clip grooves formed at predetermined intervals to fix the hot water pipe, and Cross-shaped protrusion protruding upwards to increase adhesion strength with upper layer cement mortar Floor structure of a multi-family house comprising a. The method according to claim 5, The clip groove As a cylindrical groove protruding downward, the groove is formed in the concave and convex grooves formed in the second insulation and the floor impact sound reducing material, Is formed longer than the depth of the groove, the bottom structure by forming an air layer between the synthetic resin panel and the second insulation and floor impact sound reduction material Apartment building floor structure, characterized in that forming a. In the floor structure construction method of the apartment house to improve the insulation performance and floor impact sound reduction performance, A first step of performing ground cleaning and smoothing after pouring concrete slab; A second step of installing a first insulation and a floor impact sound reducing material such that an air layer of a predetermined space is formed on an upper surface of the concrete slab; A third step of installing a second insulation and a floor impact sound reduction material such that an air layer of a predetermined space is formed on an upper surface of the first insulation and floor impact sound reduction material; A fourth step of inserting a synthetic resin panel so that an air layer of a predetermined space is formed on an upper surface of the second insulation and the floor impact sound reduction material; A fifth step of connecting and fixing the synthetic resin panels continuously installed by repeating the above steps; A sixth step of installing a hot water pipe on an upper surface of the synthetic resin panel fixed by the above; And A seventh step of finishing by pouring finishing mortar on the upper surface of the synthetic resin panel Construction method of a multi-floor floor structure, characterized in that made. The method of claim 7, wherein The fifth step is Attaching a linking chain to a linking chain attachment groove formed on an upper surface of the synthetic resin panel Construction method of a multi-family floor structure, characterized in that made. The method of claim 7, wherein The sixth step After installing the pipe ring in the clip groove formed on the upper surface of the synthetic resin panel, and connect the pipe to the pipe ring fixed Construction method of a multi-family floor structure, characterized in that made.