KR101542531B1 - A flooring system and its construction process forimpact-noise reduction - Google Patents

Abstract

The present invention relates to a laminated panel for floor impact sound reduction capable of simultaneously satisfying a blocking effect against a light impact sound and heavy impact sound generated in a building, in particular, a floor of a house.
The present invention relates to a laminated panel for reducing noise between a slab and a finishing layer, which has a yield point of not less than 169 MPa, a tensile strength of not less than 270 MPa, , A galvanized steel sheet with a zinc content of 150 g / m 2 and a thickness of 0.25 to 1.6 mm is bent upward and downward to form a height of 3 to 30 mm and a pitch distance of 10 to 50 mm, Is applied so that the tensile strength is not less than 2.0 kgf / cm 2, elongation is not less than 40%, density is not less than 16 kg / m 3, Wherein a polyurethane foam is laminated in a thickness range of 2 to 15 mm and a polystyrene foam insulation having a density of 20 kg / m 3 or more, a compressive strength of 8 N / cm 2 or more, and a flexural fracture of 20 or more on both sides of the polyurethane foam Laminated in a thickness range of 5 to 20 mm The present invention relates to a laminated panel for reducing the noise of an interlayer provided in a range of a total thickness of 35 to 50 mm and being provided for use in the field and is used to be bundled using a bundling machine and then used .

Description

Technical Field [0001] The present invention relates to a laminated panel for reducing a floor impact sound of a building,

The present invention relates to a laminated panel for floor impact sound reduction of a building, and its object is to provide a laminated panel for floor impact sound reduction capable of simultaneously satisfying a blocking effect against a light impact sound and a heavy impact sound generated between a floor of a house or a house have.

The present invention relates to a laminated panel which is installed between a slab and a finish layer for separating a floor of a building and reduces a floor impact noise. The laminated panel has a structure in which a zinc steel plate is bent at a certain height up and down, The present invention relates to a laminated panel for floor impact sound reduction in which a total thickness of a material sheet is laid out and a heat insulating material is laminated with an outer edge of a soft material is bonded in a range of 35 to 50 mm and is taped and then transported for use in a field.

[0001] The present invention relates to a laminated panel for reducing the interlayer noise generated in general dry products, and more particularly, to a laminated panel in which three materials having different characteristics are stacked in five layers to reduce a light weight impact sound and a weight- And more particularly to a lamination panel for abatement.

In general, apartment houses are continuously increasing due to the efficiency of land use and the ease of housing supply. In the case of apartment houses, many households have a vertical arrangement structure. Due to the nature of the interlayer noise among neighboring households, And a lot of effort is being made to reduce such interlayer noise.

The floor impact sound may be classified into a light impact sound and a heavy impact sound. The light impact sound is a light and hard material, such as a small object or a furniture drag sound, With this short characteristic, the heavy impact sound has a characteristic that the impact force is large and the duration is long when the child is running or the floor impact sound is heavy.

The floating floor structure is applied as a most general method for improving the sound insulation performance against the floor impact sound as described above. The floored floor structure is provided with a cushioning material capable of performing vibration insulation between the structural slab and the finish layer. The cushioning material for the light impact sound is required to have a low elasticity with a low dynamic load factor, while the cushioning material for the heavy impact sound has a high strength, a closed structure, a high density structure and a weight .

The residual deformation of the floor impact noise reducing material is measured according to the test method specified in KSF 2873, and it is required that the sample thickness (dL) is less than 2 mm for 30 ㎜ and less than 3 ㎜ for 30 ㎜ or more. For example, the width, length, and thickness of the test specimens were 300 × 300 × 40 mm, and a weight of 480 kg was placed. After 48 hours, a weight of 20 kg was placed again. Is 3% or less. If the above conditions are satisfied, the number of the copper oxide is increased again. Therefore, development of the interlayer noise reducing material satisfying all of these requirements has been required.

As a prior art developed in order to find a means for satisfying these requirements, EP 0688150 discloses a floor impact sound reduction panel, which is composed of an upper layer made of EVA board and a laminated structure formed under the upper layer, There is proposed a laminate panel for floor impact sound reduction comprising an intermediate layer formed of a porous inorganic material in which a water bubble liquid neopole or an EVA chip is blended and a lower layer formed of an embossing board laminated on the lower layer of the intermediate layer The structure described above is insufficient to satisfy the highest grade requirements required by Korea Institute of Construction Technology.

It is an object of the present invention to provide a laminated panel for floor impact sound reduction capable of simultaneously satisfying a blocking effect against light weight impact sound and heavy impact sound generated between buildings, For the reduction of floor impact sound of buildings that compromise the trade offs to satisfy the highest grade conditions with a residual strain of 2 ~ 3 ㎜ and a dynamic hardness of 10.0 or less, using sound insulation materials of a specific standard And has a purpose of providing a sound insulating material.

In addition, the present invention has an object to enhance the efficiency of field work by providing a laminated panel in which sound insulating materials for floor impact sound reduction are bundled together in an improved structure for enhancing workability in the field.

The present invention for achieving the object and eliminating the conventional drawbacks is applied to a laminated panel which is installed between a slab and a finish layer for separating a floor of a building and reduces a floor impact noise. The laminated panels are provided between the slabs for separating the layers of the building and the finish layer to provide a certain range of thickness to reduce the floor impact noise. The laminated panel is provided with a zinc- Zinc steel sheet having a yield point of 1.69 mm or more, a yield point of 169 MPa or more, a tensile strength of 270 MPa or more, and a steel plate hardness of Max 80 range is bent upward and downward so as to have a height range of 3 to 30 mm, A tensile strength of not less than 2.0 kgf / cm 2, an elongation of not less than 40%, a density of not less than 16 kg / m 3 and no hydrolysis property (Styrofoam) having a density of 20 kg / m < 3 > or more and a compressive strength of 8 N / cm < 2 > or more as outer edges of both sides of a polyurethane foamed foam laminated with a polyurethane foam The heat insulating material is laminated in the range of 5 to 20 mm in thickness, and the total thickness is in the range of 35 to 50 mm, so that the laminated panel is used in the field to be used for the purpose of the invention.

A method of using the laminated panel provided in the present invention is that a galvanized steel sheet having a yield point of 169 MPa or more, a tensile strength of 270 MPa or more and a steel plate hardness of Max 80 is vertically bent at a central portion of the panel, And has a tensile strength of not less than 2.0 kgf / cm 2, an elongation of not less than 40%, a density of not less than 16 kg / m 3, and a hydrolyzable polyurethane Wherein the foam is laminated in the range of 2 to 15 mm in thickness and the outer edge of both sides of the polyurethane foam is provided with a density of 20 kg / m 3 or more and a compressive strength of 12 N / So that the total thickness is in the range of 35 to 50 mm, and it is preferable to be bundled with a unit laminated panel using a bundling machine, and then to be carried and used in the field.

Accordingly, the present invention provides an interlayer noise reducing construction method applied to reduce a floor impact sound by providing a laminated panel provided as a unit bundle between a slab and a finishing layer for dividing a floor of a building, wherein a yield point is 169 MPa or more, A zinc steel sheet having a tensile strength of 270 MPa or more and a steel sheet hardness of up to a maximum of 80 is applied so as to have a height range of 3 to 30 mm by being bent upward and downward and having a modulus of elasticity of 15% A polyurethane foam having a tensile strength of 2.0 kgf / cm 2 or more, an elongation of 40% or more, and a density of 16 kg / m 3 is laminated in a thickness of 2 to 15 mm and a density of 20 kg / Or more and a compressive strength of 8 N / cm 2 or more is laminated in a thickness of 5 to 20 mm to have a total thickness of 35 to 50 mm and a width and a length of 300 to 1200 mm, After using the machine bundle is carried in the field can be applied in a construction method for inter-layer noise-reducing means to be used is installed as a unit of packed between the slab and the finishing layer.

In addition, the unit laminated panel is installed horizontally on the bottom surface of the slab, and a polyethylene cushioning material having a thickness of 10 3 mm, a width of 150 3 mm and a density of 16 kg / A configuration that is suitably applied is preferable.

The laminated panels provided as a unit bundle in this embodiment are arranged so that the joints between the laminated panels fit well and are fixed to the joints with waterproof tape having a width of 50 mm or more and the foamed concrete liquid permeates when the foamed concrete layer laid on the upper part is laid. And a finishing mortar is installed on the upper part of the foamed concrete layer so that the heating pipe is laid on the upper part of the foamed concrete layer.

In order to make a sample product to which the technical composition of the present invention is applied, and to confirm that the dynamic elastic modulus and the residual deformation amount of the sample product meet the requirements, an experiment was commissioned to the Korea Institute of Construction & Living Environment Test, , We confirmed the results that satisfy the best requirements in both dynamic modulus of elasticity, residual strain, dimensional stability, and density measurement values.

Test Items unit Test result Modulus of elasticity MN / ㎡ 5.2 Loss factor - 0.2 Dynamic modulus of elasticity after heating MN / ㎡ 4.8 Heat loss coefficient after heating - 0.2 density kg / ㎡ 170 Dimensional stability (length) % -0.2 Dimensional stability (butterfly) % -0.1 Dimensional stability (Thickness) % -2.8 Absorption % (V / V) 2.8 Residual strain Mm 2.1 Thermal resistance [Average temperature 20 ℃]
(Thickness: 41.51 mm) (M < 2 > K) / W 1.06

The dynamic modulus of elasticity and the loss modulus were determined by the test method of KS F 2868: 2003, and the dynamic modulus of elasticity after heating, the loss factor after heating, the dimensional stability and the amount of water absorption were determined by the test method of KS M ISO 4898: 2013, The density is determined by the test method of KS M ISO 845: 2012, the residual strain is applied by KS F 2873: 2011 test method and the thermal resistance is KS L 9016: 2010 applied test result. As a result of satisfying the requirements of the highest grade (Class 1), our technical composition has the effect of satisfying Class 1 requirements as the best sound insulating material for floor impact noise reduction.

1 is a manufacturing process diagram for obtaining a laminated panel provided herein.
Figure 2: Example laminated panel provided herein.
Fig. 3 is an illustration of an example of the lamination operation of the laminated panel. Fig.
Fig. 4 shows an example of a laminated panel in which the above-mentioned laminated work has been completed. Fig.
Fig. 5 is an illustration of an interlayer noise prevention structure to which a laminated panel is applied, which is provided in the present application; Fig.
Figure 6: Test report informed by the Korea Institute of Construction & Living Environment Test.

In the following description of the embodiments in which the technical idea of the present invention is specifically embodied, description of related art known functions or publicly known techniques will be omitted if it is determined that the gist of the present invention may be unnecessarily obscured.

The present invention provides a laminated panel for floor impact sound reduction capable of simultaneously satisfying both a lightweight impact sound and a heavy impact sound generated between buildings in a building, Is intended to provide a sound insulating material for interlayer noise reduction which satisfies the best condition of retaining the residual strain of not more than 2 mm under 30 mm and residual strain of not more than 3 mm in initial thickness (dL) of 30 mm or more and having a dynamic elastic modulus of 10.0 or less The present invention was invented to provide a laminated panel in which a sound insulating material for floor impact sound reduction is integrally combined with an improved structure for enhancing workability in the field, The inventors of the present invention have shown a manufacturing process diagram applied in a preferred embodiment.

The sound insulating material provided in the present invention has a galvanized steel sheet bent upward and downward in the center portion and a polyurethane foamed foam (sponge) which is not hydrolyzed to both sides of the galvanized steel sheet is laminated to a certain thickness and a specific standard, A single unit laminated panel may be laminated on both sides of the foam with a predetermined thickness and a specific standard so that the unit laminated panel can be carried and applied to the site. The process will be explained step by step through the manufacturing process shown in FIG.

It is a main object of the present invention to provide a method of manufacturing a unit laminated panel, in which the residual deformation amount of an article integrated with the unit laminated panel is less than 2 mm when the initial sample thickness dL is less than 30 mm, less than 3 mm when the initial sample thickness dL is 30 mm or more, The present inventor has conducted various experiments based on the trial error method to satisfy the conditions desired by the present inventor. The inventor of the present invention has found that the first raw material And the second raw material polyurethane foam (sponge) and the third raw material (polystyrene insulation) are stacked together to form an integrated unit laminated panel, the inventor satisfies the residual strain amount and dynamic elastic modulus conditions desired The following quality standards were required.

The quality standards of the galvanized steel sheet used as the first raw material used in the present invention are preferably applied as shown in Table 2.

 division  Item  standard  Remarks

Dimensions and properties

 Steel plate thickness (mm)  0.25 to 1.6  YP (yield point MPa)  min 169  KSD 3506  TS (tensile strength MPa)  min 270  KSD 3506  HRB (hardness)  Max 80  KSD 3506  Zinc content (g / ㎡)  min 150  KSD 3506
Bending standards and
Quality item

Product butterfly (mm)  300 to 1200 Product length (mm)  300 to 1200 Appearance  Perforated plate waveform Pitch distance (mm)  10 to 50 Amplitude height (mm)  3 to 30  Perforation? (Mm)  3-12

The first raw material having the above quality is measured by using a vernier caliper and a tape measure, and it is judged whether or not it meets the dimensional allowance value criterion. If there is no blemish, twist or bending on the surface, the pitch distance of the product is 10 to 50 mm, It is necessary to inspect whether the steel plate material strength is higher than the yield point of 169 MPa, tensile strength of 270 MPa or more, steel plate hardness of Max 80, and the product satisfying all conditions is used .

The quality standards of the polyurethane foam foam as the second raw material used in the present invention are preferably applied as shown in Table 3.

division standard Test Specification
size Thickness (mm) 2 to 15 Butterfly (mm) 300 to 1,200 Length (mm) 300 to 1,200

Quality item Appearance Black and gray foam foam Density (Kg / m3) 16 or more KSM 6518 Hardness 30 or more KSM 6672 Elastic modulus (%) 15 or more KSM 6518 Tensile strength kg / ㎠ 2 or more KSM 6518 Elongation% 40 or more KSM 6518

The polyurethane foam foam used as the second raw material in the unit laminated panel of the present invention is measured by using a vernier caliper and a tape measure, and it is judged whether or not it meets the dimensional allowance value criterion. If the elastic coefficient is more than 15%, the tensile strength is 2 kg / ㎠, and it is necessary to inspect whether the elongation rate is 40% or more and the density is 16 kg / ㎥ or more, so that products satisfying all conditions are used.

The quality standards of the third raw material used in the present invention, polystyrene insulation, are preferably applied as shown in Table 4.

division standard Test Specification
size Thickness (mm) 5-20 Butterfly (mm) 300 to 1,200 Length (mm) 300 to 1,200

Quality item Appearance White, purple Density (Kg / m3) 20 or more KSM 3808-11 Compressive strength N / ㎠ 8 or more KSM 3808-11 Bending failure 20 or more KSM 3808-11 Initial thermal conductivity (W / m ° K) 0.04 or less KSM 9016-10 Absorption amount g / cm 2 1 or less KSM 3808-11

The polystyrene insulation used as the third raw material in the unit laminated panel of the present invention is measured using a vernier caliper and tape measure to determine whether it meets the allowable value standard and to determine whether the surface is free from defects such as blemishes, twists, bends, And it is confirmed that the density is 20 Kg / m 3 or more, the compressive strength is 8 N / cm 2 or more, and the flexural fracture is 20 or more.

In addition, since the unit laminated panel of the present invention is horizontally laid down and the lateral cushioning material is attached to the inner side wall of the vertical wall, it can be applied to the construction of the side walls to which the present technology is applied. The criteria were as shown in Table 5.

Side cushioning material Management standard Item unit Reference value

PE (polyethylene) thickness Mm 10 ± 3 width Mm 150 ± 3 density Kg / m3 16 or more Absorption % 4 or less Modulus of elasticity Mn / m3 150 or less

The raw materials satisfying the conditions shown in Tables 2 to 5 are stored in a space in which moisture and sunlight are blocked from inflow of foreign matter. As shown in the manufacturing process chart of FIG. 1, The products that pass the inspection criteria are stacked as shown in FIG. 2 to be combined with each other to be provided as one unit product. In the joining operation, the zinc-coated steel sheet 10 as the first raw material is bent to the standard shown in Table 2, The polyurethane foam foam 20 of the size shown in Table 3 is loaded as the second raw material to the upper and lower portions of the zinc-coated steel sheet 10, The polystyrene insulating material 30 of the standard shown in FIG. 4 may be provided to form the unit laminated panel 2 in a laminated structure.

When it is confirmed that the work has progressed through the intermediate inspection process after the completion of the jointing work shown in FIG. 1, the bundling work can be performed through the taping apparatus as shown in FIG. 3. For example, the bundling work can be performed by using a polystyrene insulating material + polyurethane foam + Galvanized steel sheet + polyurethane foam + polystyrene insulation, arranging the four corners so that they are angled, and applying them by means of a Tee writing machine.

The taping apparatus shown in FIG. 3 has a structure in which the adhesive tapes 200 and 200 'are separated from each other by a guide roller (not shown) between two conveyor belts 130 on which the rotary roller 120 is mounted, The unit laminate panel 2 is moved to the left and right sides by using a bundling apparatus having a structure in which the unit laminate panel 2 is unwound by the adhesive tape 200 as shown in FIG. It is prepared in advance and can be used by being transported to the construction site.

5 shows a floor structure laminated structure of a building after the unit laminate panel 2 of the present invention is applied to a site and completed. In FIG. 5, a V groove cut groove 11 is formed on the bottom surface of the slab 100 A plurality of unit laminated panels 2 having the laminated structure shown in FIG. 2 are laid on the upper surface thereof, a galvanized steel sheet 10 is disposed at the center, and a polyurethane foam 20 is disposed at the upper and lower portions of the galvanized steel sheet. The unit laminated panel 2 is laid on the outer side of the polyurethane foamed foam and the polystyrene insulating material 30 is laminated again on the outer side of the polyurethane foamed foam and the foamed concrete layer 40 is laid at a predetermined height thereon, In which the thermal pipe 1 is arranged with the finishing mortar layer 50 sandwiched and the flooring 60 is laid over the finishing mortar layer, the polystyrene insulation and the polyurethane foam foam in the materials used herein, Cut with hot wire That defects so as not to apply to the corner portion control is desirable.

When the structure of the present invention is applied to an interlayer noise preventing structure, an air vent pipe 32 having a diameter of, for example, 5 to 10 mm is embedded in the wall 110 at one side of the building structure, The residual noise remaining after the noise generated in the interstices between the structures is absorbed into the through hole of the zinc-coated steel sheet 10 constituting the unit laminate panel 2 of the present invention or the sponge of the polyurethane foam foam 20, ) To the outside through the structure shown in FIG.

6 is a view illustrating a sound insulation effect of a unit laminated panel 2 having a total thickness of 35 to 50 mm by stacking EPS thermal insulation material, PU foamed foam, bent perforated galvanized steel sheet, PU foamed foam and EPS thermal insulation material, The test results reported by the Korea Institute of Construction & Environment Test and the Korea Institute of Construction & Life Environment Test were used to determine the optimum dynamic elastic modulus, residual strain, dimensional stability and density. 36dB for light weight impact sound and 38dB for heavy weight impact sound while satisfying the requirements.

Having described both the quality criteria and the inspection criteria of the intermediate material in which the present invention may be embodied, it is to be understood that the same is by way of illustration and example only and is not to be taken in connection with the scope of the claims. It will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

1: Piping for heating 2: Unit lamination panel
10: galvanized steel plate 11: V-shaped cutting groove
20: polyurethane foam 30: polystyrene
32: Air vent piping 40: Foam concrete layer
50: Finishing mortar layer 60: Flooring
100: concrete slab 110: wall
120: rotating roller 130: conveyor belt
200: Adhesive tape

Claims (5)

An interlayer noise reducing laminate panel provided between a slab and a finish layer for separating layers of a building and provided in a certain range of thickness to reduce a floor impact sound,
In the central part of the panel, a galvanized steel plate having a yield point of 169 MPa or more, a tensile strength of 270 MPa or more, a hardness of steel sheet of Max 80, a zinc content of 150 g / m 2 and a thickness of 0.25-1.6 mm And the pore size is 10 ~ 50 ㎜ and the hole size is 3 ~ 12 ㎜. The outer edge of both sides of the galvanized steel sheet has an elastic modulus of 15% or more, a tensile strength of 2.0 ㎏f / Cm < 2 >, an elongation of 40% or more, a density of 16 kg / m < 3 > or more and a hydrolyzable property is laminated in a thickness range of 2 to 15 mm, and the density of the polyurethane foam is 20 kg / M3 or more, a compressive strength of 8 N / cm2 or more, and a flexural strength of 20 or more are stacked in a thickness of 5 to 20 mm to form a combined body having a total thickness of 35 to 50 mm, Characterized in that the interlayer Well laminated panels reduced. A method of using an interlayer noise reducing laminated panel provided between a slab and a finish layer for separating a floor of a building and provided in a certain range of thickness to reduce a floor impact sound,
In the central part of the panel, a galvanized steel sheet having a yield point of 169 MPa or more, a tensile strength of 270 MPa or more, and a steel sheet hardness of Max 80 range is bent upward and downward to be applied in a height range of 3 to 30 mm, A polyurethane foam having a property of elasticity of 15% or more, a tensile strength of 2.0 kgf / cm 2 or more, an elongation of 40% or more and a density of 16 kg / m 3 or more and being not hydrolyzed is laminated in the range of 2 to 15 mm, Polystyrene insulation having a density of 20 kg / m 3 or more and a compressive strength of 8 N / cm 2 or more on both sides of the polyurethane foam is laminated in a range of 5 to 20 mm to form a combined body having a total thickness of 35 to 50, And the laminated panel is applied to be used in a field. An interlayer noise reducing construction method applied to reduce a floor impact sound by providing a laminated panel provided as a unit bundle between a slab and a finishing layer for dividing a floor of a building,
In the central part of the laminated panel, a galvanized steel sheet having a yield point of 169 MPa or more, a tensile strength of 270 MPa or more and a steel sheet hardness of Max 80 range is bent upward and downward to be applied in a height range of 3 to 30 mm, A polyurethane foam which has a modulus of elasticity of not less than 15%, a tensile strength of not less than 2.0 kgf / cm 2, an elongation of not less than 40% and a density of not less than 16 kg / m 3 and which is not hydrolyzed is laminated in the range of 2 to 15 mm , A polystyrene insulation having a density of 20 kg / m 3 or more on both sides of the polyurethane foam and a compressive strength of 8 N / cm 2 or more is laminated in a range of 5 to 20 mm to have a total thickness of 35 to 50 mm, Is stacked in a size of 300 to 1200 mm and then bundled to obtain a unit laminated panel by using a bundling machine and the laminated panel is arranged and installed between the slab and the finish layer by being transported in the field, Interlayer noise reduction construction method. The method of claim 3,
Wherein a polyethylene cushioning material having a thickness of 10 3 mm, a width of 150 3 mm, and a density of 16 kg / m 3 or more is adhered to a side wall of the side wall to which the unit laminate panel is horizontally laid. Noise reduction construction method. The method of claim 3,
Wherein a waterproofing foam is laid on the upper part of the laminated panel provided as the unit bundle, a foamed concrete layer is laid on the upper part of the laminated panel, a heating pipe is laid on the upper part of the foamed concrete layer, and a finishing mortar is installed. Way.

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