KR101044059B1 - Panel for Sound-absorbing and Soundproofing and Process of The Same - Google Patents

Abstract

Reinforcement panel formed in the shape of a flat plate, and integrally installed on one side of the reinforcement panel and formed by using cement mortar, so that it can be manufactured at low cost while maintaining sufficient strength and maximize the sound absorption and sound insulation effect against noise. And a cement panel in which support protrusions embedded in the reinforcement panel are formed on one side, and integrally installed in the reinforcement panel on the opposite side of the cement panel, and a plurality of pores are formed on the surface. It provides a sound absorbing and insulating panel comprising a concave-convex panel formed of a surface.

Sound Absorption, Sound Insulation, Sound Insulation, Panel, Bottom Ash, Cement, Mortar, Forming, Mold, Pore

Description

Sound absorbing and insulating panel and manufacturing method thereof {Panel for Sound-absorbing and Soundproofing and Process of The Same}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sound absorbing and insulating panel and a method of manufacturing the same, and more particularly, to a sound absorbing and insulating panel having excellent strength and durability, and having a sound absorbing and sound insulating (blocking sound) function.

In general, the installation of a soundproof wall is required to minimize the damage caused by the noise generated from the road on the road side, such as the highway side and the exclusive road for driving the vehicle at high speed. In other words, sound barriers are essential for minimizing noise pollution.

Conventionally, as a soundproof wall, it installs in predetermined height using the soundproof panel which consists of metal plates, such as aluminum, and a sound absorption material.

However, the conventional soundproof walls are not only sound-absorbing sound absorbing weak, but also made of a metal material with a limited surface treatment, giving a visually cool and hard feeling, there is a limit to harmonize with the surrounding environment, easily corroded There is a problem that frequent repair or replacement should be performed because durability is not sufficiently obtained.

SUMMARY OF THE INVENTION An object of the present invention is to provide a sound absorbing and insulating panel which can be manufactured at low cost because it is possible to obtain sufficient strength and to form a surface using a bottom ash which is an industrial waste. .

Another object of the present invention is to provide a sound absorbing and insulating panel that can maximize the sound-absorbing and sound blocking (sound insulation) effect on noise, as well as forming a plurality of pores on the surface, as well as irregularities on the surface.

Still another object of the present invention is to provide a method for manufacturing a sound absorbing and insulating panel, which is made of an extruded cement panel on one side and a sound absorbing and insulating panel can be manufactured at a low cost effectively by integrally molding a reinforcement panel and an uneven panel on the other side. It is to.

The sound absorbing and insulating panel proposed by the present invention is a reinforcement panel formed into a flat plate shape, and integrally installed on one side of the reinforcement panel and formed using cement mortar, and supporting protrusions embedded in the reinforcement panel protrude on one side. The cement panel is to be integrated with the reinforcement panel on the opposite side of the cement panel and a plurality of pores are formed on the surface and the surface is formed of a concave-convex panel formed of a concave-convex surface is formed repeatedly.

The reinforcement panel is molded using concrete mortar in which aggregate and cement are mixed with water.

The concrete mortar is used by mixing 40 to 80% by weight of aggregate, 0 to 50% by weight of sand, and 10 to 40% by weight of cement together with water.

The uneven panel is formed by mixing 30 to 80% by weight of bottom ash, 10 to 40% by weight of cement, 0 to 40% by weight of aggregate or sand with water.

The surface of the concave-convex panel is preferably subjected to high pressure cleaning or washing after grinding to expose a plurality of pores.

The protrusions and concave portions of the uneven panel may be formed so that the cross section cut along the longitudinal direction is repeated in a circular arc, triangle, square, trapezoidal shape, etc., and a plurality of protrusions are cylinders, cone columns, square columns, pyramids. It is also possible to form it in the structure which protrudes in the shape of a pillar.

In the method for manufacturing a sound absorbing and insulating panel of the present invention, a cement panel having support protrusions formed on one surface thereof is manufactured by an extrusion molding method, and a surface layer mortar in which bottom ash and cement are mixed with water is injected into a molding mold, and Inject the reinforcing mortar mixed with aggregate and cement and water, insert the cement panel into the molding mold so that the support protrusion is embedded in the reinforcing mortar, apply vibration to the molding mold, reinforcing mortar and mortar for surface layer It proceeds to cure, and separating and taking out the sound absorbing and insulating panel in which the reinforcing panel and the uneven panel is integrally formed in the cement panel from the molding mold, and washing the surface of the uneven panel.

The curing retardant is treated before injecting the mortar for surface layer into the cavity inner surface of the molding mold, or taken out from the molding mold, and then treated with a cement remover on the surface of the uneven panel, and then washed after a predetermined time.

And the surface of the uneven panel is treated to expose the pores by washing using a high pressure washer.

According to the sound absorbing and insulating panel and the manufacturing method according to the present invention made as described above, it is possible to recycle the bottom ash, which is a waste discharged in the process of power generation in domestic thermal power plants, it is advantageous for environmental protection, low-cost products It is possible to provide.

According to the sound absorbing and insulating panel and the manufacturing method thereof according to the present invention, since the surface of the bottom ash is formed by the uneven panel and configured to expose a plurality of pores, it is possible to naturally absorb and block the noise, The effect is excellent.

In addition, according to the sound absorbing and insulating panel according to the present invention and the manufacturing method thereof, since the strength of the uneven panel is reinforced by the cement panel and the reinforcement panel, which is a high-strength product, it is not easily damaged by typhoons, strong winds, gusts, etc. It is possible to provide.

According to the sound absorbing and insulating panel and the method of manufacturing the same according to the present invention, since the uneven panel, the reinforcement panel, and the cement panel are integrally formed, there is an advantage of very easy transportation and construction.

Next, a preferred embodiment of the sound absorbing and insulating panel according to the present invention and a method of manufacturing the same will be described in detail with reference to the accompanying drawings.

First, an embodiment of the sound absorbing and insulating panel according to the present invention includes a cement panel 10, a reinforcing panel 20, and an uneven panel 30 as shown in FIGS. 1 and 2.

The cement panel 10 includes a pair of flat plate parts 12 and 14 arranged in parallel at a predetermined interval and a plurality of partition wall parts 13 which connect and support the flat plate parts 12 and 14. ) And a plurality of support protrusions 16 protruding from the one flat plate portion 14.

The flat plate portions 12, 14, the partition 14, and the support protrusions 16 are simultaneously formed integrally by extrusion molding using cement mortar.

The cement panel 10 can be manufactured by applying a generally known method of manufacturing an extruded concrete panel (extusion concrete panel) and the Korean Industrial Standard KS F 4735 (extrusion molded concrete panel), etc. do.

The support protrusion 16 may be formed to protrude in a rectangular cross-sectional shape, or may be formed to protrude in an inverted triangle cross-sectional shape or a "T" cross-sectional shape.

The reinforcement panel 20 is formed in a flat plate shape.

The support protrusion 16 of the cement panel 10 is embedded in the reinforcement panel 20, and the reinforcement panel 20 and the flat plate portion 14 of the cement panel 10 are in close contact with each other. The reinforcement panel 20 and the cement panel 10 are integrally installed with each other.

The reinforcement panel 20 is molded using a concrete mortar in which aggregate and cement are mixed.

For example, the reinforcement panel 20 is made of concrete mortar by mixing 40 to 80% by weight of aggregate, 0 to 50% by weight of sand, and 10 to 40% by weight of cement together with water to knead evenly. Molding using

The aggregate is used as crushed stone aggregate, crushed soybean, such as natural stone or gravel.

The concrete mortar may be prepared by further adding additives such as a high performance water reducing agent, an A.E water reducing agent, a retardant, and a admixture.

The reinforcement panel 20 is preferably formed to a thickness of about 5 to 40mm.

If the thickness of the reinforcement panel 20 is too thin, the support protrusion 16 is embedded and supported by a weak strength, and the strength is also weak against external impact or external force, which may easily cause cracking or breakage. In addition, if the thickness of the reinforcement panel 20 is too thick, the weight is increased, and handling is difficult, and there is a problem that the material cost is increased.

The uneven panel 30 is integrally installed on the reinforcement panel 20 on the opposite side of the cement panel 10.

The uneven panel 30 is formed by mixing 30 to 80% by weight of bottom ash, 10 to 40% by weight of cement, 0 to 40% by weight of aggregate or sand with water.

A plurality of pores are formed on the surface of the uneven panel 30.

The surface of the uneven panel 30 is preferably subjected to high pressure cleaning or grinding after grinding to expose a plurality of pores.

In addition, the surface of the uneven panel 30 is formed of an uneven surface on which the protrusion 32 and the recess 34 are formed repeatedly.

Protruding portion 32 and the concave portion 34 of the uneven panel 30 may be formed so that the cross section cut along the longitudinal direction is repeated in a circular arc, triangle, square, trapezoidal shape, and the like.

In addition, the concave-convex panel 30 may have a concave-convex surface in which a plurality of protrusions (not shown) protrude in the shape of a cylinder, a cone, a square, or a pyramid.

3 shows a process of installing a soundproof wall using a sound absorbing and insulating panel according to the present invention.

That is, the coupling beam 60 (for example, the "H" beam) is fixed at the length interval of the sound absorbing and insulating panel according to the present invention, and the sound absorbing and insulating panel is formed in the '62' shaped groove 62 of the combined beam 60. The construction of the soundproof wall is made simply by inserting the laminated from the top to the bottom.

When the soundproof wall is formed using the sound absorbing and insulating panel according to the present invention as described above, since a plurality of pores are formed on the uneven surface of the uneven panel 30, it is possible to absorb and minimize the noise generated. In addition, since a plurality of protrusions 32 and recesses 34 are formed on the uneven surface, the sound absorption and blocking effect against the generated noise is excellent.

And one embodiment of the sound absorbing and insulating panel manufacturing method according to the present invention, as shown in Figure 4 and 5, the cement panel manufacturing step (S10), surface mortar injection step (S20), reinforcing mortar injection step (S30) , Cement panel inserting step (S40), molding curing step (S50), taking out step (S60), including a washing step (S70).

In the cement panel manufacturing step (S10), the cement panel 10 having the support protrusion 16 protrudingly formed on one side thereof is manufactured by an extrusion molding method.

The cement panel manufacturing step (S10) can be carried out by applying a method such as manufacturing a generally known extrusion concrete panel (extusion concrete panel) and the Korean Industrial Standard KS F 4735 (extrusion molding concrete panel). , Detailed description is omitted.

In the surface mortar injection step (S20), the surface mortar 38 in which bottom ash and cement are mixed with water is injected into the molding mold 50.

A shape corresponding to the uneven surface of the uneven panel 30 to be manufactured is molded on the inner surface of the cavity of the molding mold 50.

For example, the concave-convex surface 52 corresponding to the convex portion 32 and the concave portion 34 of the concave-convex panel 30 is formed on the inner surface of the cavity of the molding mold 50.

The molding mold 50 is formed in a box shape with one side opening using a polyurethane resin, a fiber reinforced synthetic resin (FRP), a metal material, and the like, and an uneven panel 30 and a reinforcing panel 20 are formed therein. A cavity having a predetermined shape is formed, and an uneven surface 52 is formed on a bottom surface (bottom surface of the cavity) corresponding to the opened surface.

The molding mold 50 may be manufactured using a fiber-reinforced synthetic resin, etc., and the inside uneven surface 52 may be manufactured using silicon, a soft synthetic resin, or the like.

The surface mortar injection step (S20) is a surface layer for preparing the surface mortar 38 by mixing 30 to 80% by weight of bottom ash, 10 to 40% by weight of cement, 0 to 40% by weight of aggregate or sand together with water. It further comprises a mortar manufacturing step (S22).

The bottom ash used for the surface mortar 38 is a waste discharged in the process of producing electric power in a power plant or the like, and is used by powdering to a size of 10 mm or less.

The surface mortar 38 may be a fly ash instead of a bottom ash. In the case of the fly ash or the like, it is also possible to use a part of the bottom ash as a replacement, or to replace the entire bottom ash.

In the above-mentioned surface mortar 38, it is also possible not to use aggregate or sand, and to use it in the range of 40 weight% or less with respect to the whole. It is also possible to use silica sand in place of aggregate or sand above.

In the reinforcing mortar injection step (S30), after injecting the surface mortar 38 into the molding mold 50, the reinforcing mortar (28) mixed with aggregate and cement and water on the injected surface mortar (38). Inject).

Before the reinforcing mortar injection step (S30) further comprises a reinforcing mortar manufacturing step (S32) for manufacturing the reinforcing mortar (28).

The reinforcing mortar 28 is made of concrete mortar, and is prepared by mixing 40 to 80% by weight of aggregate, 0 to 50% by weight of sand, and 10 to 40% by weight of cement with water to knead evenly.

As the aggregate, it is possible to use natural stone or crushed stone aggregates, such as gravel, soybean gravel, etc., and some may be used in place of silica sand or limestone.

The concrete mortar, which is the reinforcing mortar 28, may be manufactured by further adding additives such as a high performance water reducing agent, an A.E water reducing agent, a retardant, and a admixture.

In the reinforcing mortar 28, it is also possible not to use sand, and it is used in the range of 50% by weight or less with respect to the whole.

In the cement panel inserting step (S40), the support protrusions 16 are completely embedded in the reinforcing mortar 28 injecting the cement panel 10 prepared in the cement panel manufacturing step S10 into the molding mold 50. It is inserted into the molding mold 50 and installed.

In the molding curing step (S50), the vibration is applied to the molding mold 50, and the curing of the reinforcing mortar 28 and the surface mortar 38 proceeds.

When the vibration is applied to the molding mold 50, the buried support protrusion 16 is effectively buried into the reinforcing mortar 28, the boundary line between the reinforcing mortar 28 and the surface mortar 38 The mixing in E is uniform, and the strength to be integrated is greatly improved.

When the vibration is applied to the molding mold 50, bubbles contained in the reinforcing mortar 28 and air existing between the cement panel 10 and the reinforcing mortar 28 are cement panel 10 and the molding mold. The adhesion between the reinforcing mortar 28, the support protrusion 16, and the flat plate portion 14 is improved while exiting through the gap between the 50.

When the vibration is applied and curing is performed as described above, the reinforcing mortar 28 is formed into the reinforcing panel 20, and the surface mortar 38 is formed into the uneven panel 30.

In the take-out step (S60), the sound absorbing and insulating panel in which the reinforcing panel 20 and the uneven panel 30 are integrally formed is removed from the molding mold 50 on the cement panel 10.

In the washing step (S70), the surface of the uneven panel 30 is washed in the sound absorbing and insulating panel.

In the above washing is performed using a high pressure washer (70).

As described above, when the surface of the uneven panel 30 is washed by using the high pressure cleaner 70, pores are exposed while a part of the cement is removed, and the uneven surface of the uneven panel 30 has many pores. do.

In the washing step (S70), when the curing retardant is treated on the inner surface of the cavity of the molding mold 50 before injecting the surface mortar 38 in the surface mortar injection step (S20), the After taking out from the molding mold 50, it is possible to wash immediately.

When the curing retardant is treated on the inner surface of the cavity of the molding mold 50 as described above, the curing of the cement present in the surface portion of the surface mortar 38 in contact with the curing retardant is delayed. In the case of washing with the high-pressure cleaner 70 in S70, the cement present on the surface (uneven surface) of the uneven panel 30 is easily removed, the pores are formed more effectively.

However, when the curing retardant is not treated on the inner surface of the cavity of the molding mold 50 before injecting the surface mortar 38 in the mortar injection step S20, the molding mold 50 is removed from the molding mold 50. After taking out, it is preferable to wash after a predetermined time (for example, about 1 to 10 minutes) after processing the cement remover on the surface of the uneven panel 30.

When the cement remover is treated on the surface of the uneven panel 30 as described above, the cement present on the surface (uneven surface) of the uneven panel 30 comes into contact with the cement remover, so that the bonding force is lowered. In the case of washing with the high pressure cleaner 70, the cement existing on the surface (uneven surface) of the uneven panel 30 is easily removed, and the formation of pores is made more effectively.

In the washing step (S70), it is also possible to activate the exposure of the pores by performing grinding first before washing.

In the above described preferred embodiments of the sound absorbing and insulating panel according to the present invention and a method for manufacturing the same, the present invention is not limited thereto, and the present invention is not limited thereto, and various modifications can be made within the scope of the claims and the accompanying drawings. It is possible and this also belongs to the scope of the present invention.

1 is a perspective view showing an embodiment of a sound absorbing and insulating panel according to the present invention.

Figure 2 is an exploded perspective view showing an embodiment of a sound absorbing and insulating panel according to the present invention.

3 is a perspective view showing a state in which a soundproof wall is installed using one embodiment of a sound absorbing and insulating panel according to the present invention.

Figure 4 is a block diagram showing an embodiment of a sound absorbing and insulating panel manufacturing method according to the present invention.

5 is a process flowchart showing an embodiment of a sound absorbing and insulating panel manufacturing method according to the present invention.

Claims (6)

delete A reinforcement panel formed into a flat plate shape, a cement panel integrally installed on one side of the reinforcement panel, formed using cement mortar, and having a support protrusion embedded in the reinforcement panel protruding from one side thereof; On the opposite side is integrally installed in the reinforcement panel and a plurality of pores are formed on the surface and the surface includes a concave-convex panel is formed of a concave-convex surface formed by repeated protrusions and recesses, The reinforcing panel is molded using concrete mortar mixed with 40 to 80% by weight of aggregate, 0 to 50% by weight of sand, and 10 to 40% by weight of cement together with water, The uneven panel is a sound absorbing and insulating panel which is formed by mixing 30 to 80% by weight of bottom ash, 10 to 40% by weight of cement, 0 to 40% by weight of aggregate or sand with water. The method according to claim 2, Protruding portion and concave portion of the concave-convex panel is formed so that the cross-section cut along the longitudinal direction to form a shape that is repeated in succession repeated shape selected from arc, triangle, square, trapezoidal shape. Cement panel with a support protrusion protruding on one side is produced by the extrusion molding method, The curing retardant is treated on the inner surface of the cavity of the molding mold, and the mortar for surface layer in which bottom ash and cement are mixed with water is injected into the cavity of the molding mold, Reinforce the mortar for mixing aggregate, cement and water on the surface mortar, Insert the cement panel into the molding mold so that the support protrusion is embedded in the reinforcing mortar, After molding by applying vibration to the molding mold and proceeds to curing the reinforcing mortar and mortar for the surface layer, The sound absorbing and insulating panel, in which the reinforcement panel and the uneven panel are integrally formed, is taken out from the molding mold, A sound absorbing and insulating panel manufacturing method comprising a process of washing the cement remover on the surface of the uneven panel. delete delete

Images