KR20030075044A - The Manufacturing Method of Constructional Materials Effecting Both Adiabatic and Impact Sound Insulation Through Floor in Apartmant Houses - Google Patents

Abstract

PURPOSE: Provided are a building material for interlayer sound and heat insulations of public housing useful for forming a sound insulating material, which predominantly comprises clay minerals and rice hulls, and has an ecofriendly, adiabatic effect, and a method for producing the same. CONSTITUTION: The building material is characterized by comprising rice hulls, clay minerals, water glass, ethylene vinyl acetate(EVA) with weight ratio of 10-30:20-60:5-20:5-20, and further comprising water. The building material is produced by the method comprising the steps of (i) washing the rice hulls with water not to be decayed, and finely crushing the rice hulls; (ii) blending the crushed rice hulls, clay minerals, water glass, and EVA in weight ratio of 10-30:20-60:5-20:5-20, and further mixing the materials by adding appropriate ratio of water; (iii) charging the mixture into predetermined mold and press the mixture at ambient temperature, so as to mold the mixture.

Description

{The Manufacturing Method of Constructional Materials Effecting Both Adiabatic and Impact Sound Insulation Through Floor in Apartmant Houses}

The present invention relates to a building material for insulation and insulation between floors of a multi-family house, and more particularly, to a sound insulating material having an environmentally friendly adiabatic effect using clay minerals and chaff as raw materials. The present invention relates to a building material for insulation and insulation between floors of a multi-family house to be manufactured and a method of manufacturing the same.

Conventional building materials that are currently used to prevent inter-floor vibration of multi-unit houses cause environmental pollution during the manufacturing process, and also have a problem that natural corrosion is difficult even during disposal and environmental pollution problems when incinerated.

The present invention is designed to solve such a conventional problem,

Based on clay minerals such as ocher, zeolite, and illite, chaff, water glass, and EVE (Ethylene Vinyl Acetate) as a raw material, dustproof grade L-55 (Recommended Standard 2) It is effective, and it can be replaced with the interlayer vibration prevention material that is constructed before foam concrete is put in place to achieve natural use of dry materials, and using clay minerals and chaff to prevent environmental pollution when disposing of it, and work according to site conditions It is possible to achieve a variety of uses in the form of a mortar and panel to be possible, and to provide a building material for the insulation and insulation of the inter-floor that can be used by the spraying method and the adhesive-fixed method and a manufacturing method thereof.

The present invention for achieving the above object, in the building material for thermal insulation, chaff crushed finely after washing (水 () to prevent decay, clay minerals, water glass, EVE (Ethylene Vinyl Acetate) 10-30 : 20 ~ 60: 5 ~ 20: blended in a weight ratio of 5 ~ 20, add water at an appropriate ratio, mix it, put it in a predetermined mold, press it at a room temperature, and form a sound insulation between the apartment houses to be adhered to the floor. Provided is a method of manufacturing a building material for thermal insulation.

1 is a block diagram showing a schematic manufacturing process of the present invention.

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

1 is a block diagram showing a schematic manufacturing process of the present invention.

As shown in Figure 1, the building material for the insulation and insulation of the inter-floor of the multi-unit house of the present invention and a method of manufacturing the same are mainly crushed chaff and clay minerals such as ocher, illite, zeolite Used as an additive.

When the blending ratio (proper ratio) of the present invention is based on 100 parts by weight of the total composite, the chaff weight is 10 to 30, the weight of clay minerals is 20 to 60, the weight of water glass is 5 to 20, the weight of EVA is 5 It is formulated at 20, and the weight part for moisture adjustment is mixed at room temperature in an appropriate ratio according to the product shape.

Here, when the product is formed into a mortar shape, it is preferable to mix it according to the mixing ratio in the mixer, and then transfer it through a pressure pipe, and cast it in a thickness of 10 to 40 mm on the concrete floor in order to cure for a certain period of time.

In the case of producing a panel, the product is placed in a mold of a shape to be commercialized and pressed at room temperature to obtain a desired molding.

Example 1

The present invention is finely crushed chaff and clay minerals, water glass, EVA in a weight ratio of 10 to 30: 20 to 60: 5 to 20: 5 to 20 and water is added by mixing in an appropriate ratio to the desired sound insulation material Got it. The sound insulation material invented is commercialized into mortar and panel shape according to site conditions.

Example 2

In the present invention, the chaff, clay mineral, water glass, and EVE are mixed in a weight ratio of 10-30: 20-60: 5-20: 5--20, and water is added in an appropriate ratio to mix to obtain a desired sound insulating material.

When the present invention is produced in a panel form, it is placed in a mold of a shape to be commercialized and pressed at room temperature to obtain a desired molding.

Example 3

In the present invention, the chaff, clay mineral, water glass, and EVA are mixed in a weight ratio of 10 to 30: 20 to 60: 5 to 20: 5 to 20, and water is added at an appropriate ratio and mixed to obtain a desired sound insulating material.

In the case of morter type products, the mixture of chaff, clay mineral, water glass, and EVE at the above-mentioned mixing ratio is mixed with water, and then transferred to a pump for pumping and spraying on concrete floor with 10 ~ 40㎜ thickness. do.

Example 4

In the present invention, chaff, clay mineral, water glass, and EVE are blended in a weight ratio of 10 to 30: 20 to 60: 5 to 20: 5 to 20, and water is added and mixed at an appropriate ratio to obtain a desired sound insulating material.

The performance of the sound insulation material according to the present invention satisfies L-55, the sound insulation grade of the 2nd recommendation standard of the Japanese Institute of Architecture, and the results of the excellent sound absorption, thermal conductivity results.

Experimental Example 1

In order to evaluate the sound insulation performance of the floor noise generated in the apartment house using the present invention, the evaluation method adopted by the Japanese Industrial Standard (JIS A 1419) was applied. In addition, the light and heavy impact sound were compared and evaluated under the same conditions as the products currently used as sound insulation materials. The sound absorption rate of the subjects used in this comparative experiment is as follows.

The most widely used foamed polystyrene has a sound absorption performance of less than 0.1 in all frequency bands, and the A-type sound absorber, a porous sound absorber, has a sound absorption ratio of 0.8 or more in the mid / high frequency band of 1000 Hz or more. In addition, it is a B-type porous flaw material and has a sound absorption rate of 0.55 to 0.8 or more in the medium and high frequency bands of 2000 Hz or more.

division Structure L grade Light impact Heavy impact sound One Concrete bottom (150 mm) L-75 L-45 2 Expanded Polystyrene (15㎏ / ㎥ 20T) L-75 L-50 3 Sound Absorbing Material 20T (Type A) L-80 L-45 4 Sound Absorbing Material 40T (Type A) L-65 L-45 5 Sound Absorbing Material 20T (Type B) L-75 L-45 6 Japan Institute of Architecture L-40 ~ 60 L-45-60 7 Invention L-55 L-55

Experimental Example 2

(The result of heat insulation property of this invention)

In order to comparatively evaluate the thermal insulation performance occurring in the apartment house using the present invention, the evaluation method adopted by the Japanese Industrial Standard (JIS J2618) was set to 200 × 100 × 50 mm in size of each test specimen, and an average temperature of 20 Density, thermal conductivity (Kcal / m 2 · h · ° C.) and density (g / cm 3) were measured at 50 ° C. and state humidity of 50 to 70%. The current insulation standard used in Korea is defined as the thermal conductivity of 0.70 or less (Kcal / ㎡ · h · ℃) for floor heating and 1.0 or less (Kcal / ㎡ · h · ℃) for no heating. have. In addition, there are differences depending on the type and region of the insulation and the details are shown in the table below.

division Type of Insulation Thickness reference table of insulation Central Southern Jeju Island Floor between apartments Double-sided (ore surface), glass surface, flame-retardant expanded polystyrene foam, urea foam insulation (unit mm) 50 40 30 Other materials: The thermal conductivity shall be the thickness of the material corresponding to the following values (unit: ㎡ · h · ℃ / Kcal) 1.6 or more 1.25 or more 1.0 or higher

division Type of Insulation Density (g / cm 3) Thermal conductivity (Kcal / ㎡ · h · ℃) One Foam Concrete (Ococlave Curing) 0.5 0.11 2 Cement mortar 2.0 1.1 3 Polystyrene Foam (Insulation Plate No. 1) 0.030-0.040 0.031 4 Polystyrene Foam (Insulation Plate 2) 0.025-0.029 0.032 5 Polystyrene Foam (Insulation Plate 3) 0.020-0.024 0.034 6 Polystyrene Foam (Insulation Plate 4) 0.016-0.019 0.037 7 Glass Fiber Reinforced Polyethylene Plate 1.36 0.18 8 Gypsum board 0.71 ~ 1.1 0.19 9 Asbestos Cement Plate 1.5 ~ 2.0 1.1 10 Invention 0.060-0.080 0.03-0.08

The performance of the sound insulation material according to the present invention satisfies L-55, which is the soundproofing grade recommended by the Japanese Institute of Architecture, grade 2, exhibits sound absorption of 0.75 to 0.80, thermal conductivity of 0.03 to 0.08, and density of 60 to 80 kg / m 3.

As described above, the building materials for sound insulation and insulation of the multi-family house according to the present invention and its manufacturing method can be used as a natural friendly product as a dustproof material that causes environmental pollution. In addition, economic effects can be expected by shortening working hours and reducing workforce.

In addition, it is possible to provide a pleasant indoor environment for the residents by reducing the noise between floors that emerge as a problem of the current apartment. The present invention shows the dustproof effect of L-55.

In addition, the use of abundant materials in Korea can also reduce the effects of imported raw materials such as asbestos, glass wool and wood plywood.

Claims (3)

In thermal insulation materials of building, Chaff, clay mineral, water glass, and EVE (Ethylene Vinyl Acetate) in a weight ratio of 10 to 30: 20 to 60: 5 to 20: 5 to 20, and added with an appropriate ratio of water to mix Building materials for insulation and insulation between floors of multi-unit houses. After washing the rice husks to prevent decay, mix the finely crushed rice husk and clay mineral, water glass, and EVA (Ethylene Vinyl Acetate) at a weight ratio of 10-30: 20-60: 5-20: 5-20. The method of manufacturing building materials for inter-floor sound insulation and insulation of a multi-family house, characterized in that the water is added to the appropriate ratio and mixed in a predetermined mold and pressed at room temperature to be bonded to the floor. Chaff, clay mineral, water glass, EVA (Ethylene Vinyl Acetate) are mixed in a weight ratio of 10-30: 20-60: 5-20: 5-20, and water is added in an appropriate ratio and mixed with a predetermined sound-absorbing mortar type. In case of the product, clay mineral, water glass, EVE mixed with the above-mentioned compounding ratio, mixed with water, and then pumped by pumping equipment, it is characterized by pouring on the concrete floor with 10 ~ 40㎜ thickness Method of manufacturing building materials for insulation and insulation between floors of apartment houses.