KR100980143B1 - Watertight structure of shock-absorbing layer for building bottom - Google Patents

Abstract

The present invention relates to a waterproof structure of a buffer layer for a building floor.

The waterproof structure of the buffer layer for the building floor of the present invention is formed in the bottom of the finishing mortar layer or lightweight foam concrete layer, and is configured to block the floor impact sound while supporting the upper load, and the lower portion is formed in the lightweight foam concrete layer or concrete floor layer. A buffer layer configured to be supported by; It is formed on the side of the buffer layer, and formed on the bottom waterproof portion having a waterproof material, and the bottom of the buffer layer, the waterproof layer consisting of a lower waterproof portion having a waterproof material.

According to the present invention, by forming a waterproof layer on the periphery and the bottom of the buffer layer can improve the waterproof performance of the buffer layer that is difficult to guarantee only with a tape, and by forming a cured waterproof layer around the buffer layer to separate the support member or reinforcement when interconnecting the buffer layer By forming protrusions and depressions in the buffer layer without a member and connecting them together, the workability of the buffer layer is improved, and the waterproofing tape attached to the connection part is less likely to fall. Thus, the waterproof performance is further improved, and the buffer layer has a structure having a support plate on the top. When forming the lightweight foam concrete layer or the finishing mortar layer on the upper side, the moisture is not penetrated into the buffer material of the lower side of the support plate to improve the waterproofing performance, and by forming a vent in the waterproof layer, the support plate generated by sealing the inside due to the waterproof layer To prevent torsion, unbalanced expansion, etc. The insulating effect is increased.

Building, floor, vibration, buffer layer, waterproof, insulation, connection

Description

WATERTIGHT STRUCTURE OF SHOCK-ABSORBING LAYER FOR BUILDING BOTTOM}

The present invention relates to a waterproof structure of a buffer layer for building floors, to prevent moisture from penetrating the buffer layers, to prevent the waterproof tape taped on the connection between buffer layers, as well as to improve durability of the waterproof tape and It relates to a waterproof structure of the buffer layer for building floors to improve structural stability.

The buffer layer 40 of the building floor is formed on the concrete floor layer 10 of the building floor as shown in FIG. 1 or is formed on the light-bubble concrete layer 20 above the concrete floor layer 10.

The upper mortar layer 30 or the lightweight foam concrete layer 20 is located at the top.

The buffer layer 40 serves to block the floor impact sound by lowering the dynamic modulus.

With respect to the buffer layer 40, the inventors of the present invention have disclosed a method for manufacturing a dustproof rubber foam and a dustproof rubber foam produced therefrom (Korea Patent Publication No. 10-0504148). .

Such a technique improves the buffering effect by lowering the vibration transfer rate by mixing a plurality of materials in a state in which it is difficult to thicken the floor thickness sufficiently, such as an apartment house.

The buffer layer 40 is arranged on the concrete floor layer 10 by adjoining a plurality of them in the horizontal direction.

As an example of such a buffer layer, a buffer layer structure as shown in FIGS. 2 and 3 can be considered.

In the case shown in Figure 2 is a structure consisting of the upper support plate and the lower cushioning material, the cushioning material uses an open cell (Open Sell) structure such as urethane or foam rubber.

However, such an open cell structure has a problem of absorbing water flowing down to the bottom when foaming concrete and finishing mortar pouring.

In addition, the case of FIG. 3 also causes a problem in waterproofness as in FIG.

On the other hand, as a technique related to the construction method of the buffer layer 40, using the joint member, such as tape 50, the buffer layer 40 is connected to each other 'an interfloor bottom impact sound absorbing material of a multi-family house forming a flooring structure' (Korea Utility Model Registration No. 20-0420631) has been published.

Looking at the design as described above, it can be seen that they are connected to each other through the tape 50 as shown in Figure 2 and 3, this tape 50 is formed of a material having a water-resistant waterproof concrete floor layer 10 Or light-weight foamed concrete layer 20 to prevent delivery.

By the way, the buffer layer 40 is formed of a material having elasticity in nature, and when the local compressive force of one side of the buffer layer 40 is applied, the local settlement deformation occurs at the portion where the compressive force is applied.

That is, compressive deformation occurs in the buffer layer 40 due to the compressive load generated while the worker moves for work in the state of laying several buffer layers 40 adjacent to each other, which results in poor tape adhesion. There was a problem falling.

In addition, if the local compressive force is repeatedly applied due to the person coming and going in the workplace even after the taping operation, there was a problem that the tape 50 falls from the buffer layer 40.

As such, when the tapes 50 connecting the buffer layers 40 to each other fall, the buffer layer 40 becomes an environment in which moisture can penetrate.

In particular, in view of the fact that the buffer layer 40 is formed of a large amount of foaming material, the buffer property is deteriorated due to the penetration of moisture into the buffer layer 40, or mold is formed on the buffer layer 40 and the concrete floor layer 10. This can cause problems.

Therefore, there is a problem that the tape 50 alone does not guarantee the waterproof performance of the buffer layer.

As a result, the prior art has a problem that it is difficult to ensure the waterproof performance of the buffer layer due to the water absorption properties of the buffer layer itself and the poor waterproof performance of the tape connecting the buffer layer.

The waterproof structure of the buffer layer for a building floor of the present invention is to solve the problems occurring in the prior art as described above, and to improve the waterproof performance of the buffer layer that is difficult to guarantee only with a tape.

To this end, to form a waterproof layer on the periphery and the bottom of the buffer layer to improve the waterproof performance of the buffer layer.

In addition, by forming a cured waterproof layer around the buffer layer, to form a protrusion and a depression in the buffer layer without a separate support member or reinforcing member when interconnecting the buffer layer to improve the workability of the buffer layer by connecting to each other, waterproof The tape is less likely to fall off, further improving waterproof performance.

In addition, the buffer layer is intended to improve the waterproof performance by forming a structure having a support plate on the top so that moisture does not penetrate into the cushioning material under the support plate when forming a lightweight foam concrete layer or a finishing mortar layer on the top.

In addition, it is to form a vent in the waterproof layer to prevent twisting, unbalanced expansion, etc. of the support plate caused by the interior is sealed by the waterproof layer, and to increase the thermal insulation effect of the entire buffer layer.

In order to solve the above problems, the waterproof structure of the building floor buffer layer of the present invention is formed on the bottom of the finishing mortar layer or the lightweight foam concrete layer, and is configured to block the floor impact sound while supporting the upper load. A buffer layer configured to be supported by the lightweight foam concrete layer or the concrete floor layer; It is formed on the side of the buffer layer, and formed on the bottom waterproof portion having a waterproof material, and the bottom of the buffer layer, the waterproof layer consisting of a lower waterproof portion having a waterproof material.

At this time, it is characterized in that the vent is formed in the side waterproof portion.

In addition, the waterproof layer is characterized by higher strength than the buffer layer.

In addition, one side circumferential surface of the buffer layer is formed with a protrusion that protrudes outward or lower, and the other bottom or top is formed with a depression recessed inward to engage with the protrusion, thereby engaging the protrusion and the depression of the adjacent buffer layer. Characterized in that configured to be assembled to each other.

In the present invention, the buffer layer is formed on the bottom of the finishing mortar layer or lightweight foam concrete layer and the support plate to support the upper load; It is installed in the lower portion of the support plate and the shock absorbing portion to block the floor impact sound; characterized in that consisting of.

At this time, the buffer portion is formed in the lower support plate, a plurality of buffer protrusions are spaced apart from each other to have a hollow portion inward;

A cushioning material formed under the support plate; It is formed on the upper or lower side of the cushioning material, spaced apart from each other with a plurality of buffer projections to have a hollow portion inward; characterized in that consisting of.

The heat insulating material for blocking the heat transmitted to the lightweight foam concrete layer or the concrete floor layer below the cushioning material; characterized in that is further installed.

Another configuration example of the buffer layer is composed of a support formed on the bottom of the finishing mortar layer or lightweight foam concrete layer, and a plurality of buffer protrusions formed on the upper or lower portion of the support and spaced apart from each other to have a hollow inward. , The lower portion is characterized in that consisting of a buffer material to be supported by a lightweight foam concrete layer or concrete floor layer.

At this time, the lower portion of the cushioning material is formed, the heat insulating material is to reduce the heat transfer between the concrete floor layer or lightweight foam concrete layer and the cushioning material; characterized in that is further installed.

Another buffer layer includes a buffer material formed under the finishing mortar layer or the lightweight foamed concrete layer; It is formed in the lower portion of the cushioning material, spaced apart from each other to have a hollow portion inwardly, and a heat insulating material consisting of a support formed on the lower portion of the buffering projection; characterized in that it comprises a.

At this time, it is characterized in that the support plate for supporting the upper load is further provided on the upper portion of the shock absorber.

In addition, the buffer layer is characterized in that it is composed of a multi-layered up and down structure.

In addition, the side waterproof portion and the lower waterproof portion is any one selected from polyethylene foam, polypropylene, polyolefin, polyvinyl chloride, ethylene vinyl acetate, foamed from rubber materials, rubber plates, film-attached nonwoven fabric It is characterized by consisting of branches.

According to the present invention, by forming a waterproof layer on the periphery and the bottom of the buffer layer, it is possible to improve the waterproof performance of the buffer layer difficult to guarantee only by the tape.

In addition, by forming a cured waterproof layer around the buffer layer to form protrusions and depressions in the buffer layer without a separate support member or reinforcing member when interconnecting the buffer layers, the construction properties of the buffer layer are improved by connecting to each other, and the waterproof tape attached to the connection portion. Water resistance is further improved by not falling off.

In addition, the buffer layer is formed in a structure having a support plate on the top to prevent water from penetrating into the buffer material of the support plate when the lightweight foamed concrete layer or the finishing mortar layer on the top to improve the waterproof performance.

In addition, by forming a vent in the waterproof layer to prevent twisting, unbalanced expansion, etc. of the support plate caused by the interior is sealed by the waterproof layer, and the heat insulating effect of the entire buffer layer is increased.

In addition, the waterproof layer is characterized in that any one selected from polyethylene, polypropylene, ethylene vinyl acetate, FBC, foam rubber, foam rubber sheet, non-woven fabric with a film is included.

Hereinafter, the waterproof structure of the buffer layer for the building floor of the present invention will be described in detail with reference to the accompanying drawings.

The waterproof structure of the buffer layer for the building floor of the present invention is formed on the bottom of the finishing mortar layer 30 or lightweight foam concrete layer 20, and is configured to block the floor impact sound while supporting the upper load, the lower portion of the lightweight foam A buffer layer 100 configured to be supported by the concrete layer 20 or the concrete floor layer 10; The waterproof layer 200 is formed on the side of the buffer layer 100, the side waterproof portion 210 having a waterproof material, and formed on the bottom of the buffer layer 100, the lower waterproof portion 220 having a waterproof material. );

The feature of this configuration is to prevent moisture from penetrating into the buffer layer 100 and its lower portion through the waterproof layer 200 even when the waterproof tape falls when the compressive load is applied to the connection portions of the buffer layer 100 adjacent to each other.

In addition, when the support plate 101 is formed on the upper portion of the buffer layer 100, moisture does not penetrate into the buffer layer 100, thereby maintaining waterproof performance and ensuring buffer performance.

In the present invention, the buffer layer 100 is formed below the lightweight foam concrete layer 20, as shown in Figure 1 (A), is located on the concrete floor layer 10, or as shown in Figure 1 (B) finish mortar layer The lower portion of the 30, it may be located above the lightweight foamed concrete layer 20.

At this time, the preferred position of the buffer layer 100 is located in the lower portion of the lightweight foam concrete layer 20, as shown in Figure 1 (A) is configured to support the lightweight foam concrete layer 20 or the finishing mortar layer 30 of the upper portion. It is desirable to be.

On the other hand, the buffer layer 100 of the present invention can be formed in a variety of structures.

First, the support plate 101 is formed on the bottom of the finishing mortar layer 30 or light-weight foam concrete layer 20 to support the upper load;

It is installed in the lower portion of the support plate 101 and the buffer portion to block the floor impact sound; can be configured as.

At this time, the buffer portion can also be configured in various ways,

A plurality of buffer protrusions 102a formed below the support plate 101 and spaced apart from each other to have hollow portions inwardly; , Or

A buffer member 102 formed below the support plate 101; It may be formed of a plurality of buffer protrusions (102a) formed on the upper or lower portion of the buffer member 102, spaced apart from each other to have a hollow portion inwardly.

In the above configuration, the heat insulating material 103 for blocking heat transmitted to the light-weight foam concrete layer 20 or the concrete floor layer 10 in the lower portion of the cushioning material 102; may be further installed.

As another configuration example of the buffer layer 100, the support part 102b is formed below the finishing mortar layer 30 or the light foamed concrete layer 20, and is formed on the upper part or the lower part of the support part 102b and spaced apart from each other. It is composed of a plurality of buffer protrusions (102a) to have a hollow portion inward, the lower portion of the buffer member 102 to be supported by a lightweight foam concrete layer 20 or concrete bottom layer (10); have.

At this time, it is also formed under the buffer 102, the heat insulating material 103 to reduce the heat transfer between the concrete floor layer 10 and the buffer 102; may be further installed.

As another configuration example of the buffer layer 100, the buffer member 102 is formed under the finishing mortar layer 30 or lightweight foam concrete layer 20; A heat insulating material 103 formed of a lower portion of the buffer material 102 and composed of a plurality of buffer protrusions 102a spaced apart from each other to have a hollow portion inwardly, and a support portion 102b formed below the buffer protrusion 102a. It can also be configured as.

At this time, the support plate 101 for supporting the upper load may be additionally installed on the upper portion of the shock absorber (102).

In addition, the buffer layer 100 as described above may have a structure stacked in multiple up and down.

6 to 7 illustrate various embodiments of the buffer layer 100.

In the case of FIG. 6A, the buffer plate 102 is formed by a local load by providing the support plate 101 in a configuration of only the buffer material 102 in the form of attaching the buffer material 102 having the buffering performance to the support plate 101. By preventing the depression of the upper lightweight foam concrete layer 20 or the finishing mortar layer 30 to prevent the phenomenon of breaking.

However, in the present invention, it is much more preferable to apply the configuration having the hollow portion and the buffer protrusion 102a as shown in FIGS. 6B to 7L rather than the configuration example of the buffer layer 100. Do.

In this configuration, the buffer protrusions 102a may be spaced apart from each other to have a hollow portion therebetween, thereby lowering the dynamic elastic modulus of the entire buffer layer 100 to improve vibration blocking performance.

By the way, the structure forming the hollow portion has a tendency to decrease the thermal elasticity coefficient of the entire buffer layer 100 while lowering the dynamic elastic modulus of the buffer layer 100 as a whole.

This phenomenon is caused by the convection and radiation heat transfer between the concrete bottom layer 10 or the light-bubble concrete layer 20 and the buffer layer 100 lower surface of the buffer layer 100 due to the buffer projection (102a) having a hollow portion It is to increase the heat transmission rate.

In order to solve this problem, as shown in Figs. 6 (D) and (E), and (H) to (L) of Fig. 6, the hollow portion has a lightweight foamed concrete layer 20 or a concrete floor layer 10 It is preferable to use a heat insulating material 103 to prevent direct contact or to apply a structure in which the buffer layer 100 is stacked up and down.

This structure, as well as the reduction of the dynamic modulus of elasticity by the hollow portion, by using the heat insulating material 103 or the upper and lower double structure lowers the heat transmission rate, it is possible to improve the thermal insulation.

The detailed description from FIG. 6A to FIG. 7L is as follows.

In FIG. 6A, a support plate 101 is formed at an upper portion thereof, and a buffer 102 is provided at a lower portion thereof.

In FIG. 6B, a support plate 101 is formed at an upper portion thereof, and a script bar type buffer protrusion 102a is installed at a lower portion thereof to lower the dynamic modulus of elasticity.

6 (C) is configured as shown in FIG. 6 (B), but the heat permeability relative to FIG. 6 (B) in a structure in which the buffer member 102 of the plate form is installed between the support plate 101 and the buffer projection (102a). This is rather low and structurally more stable.

6D is a structure in which the support plate 101 is formed in the upper part, the buffer protrusion 102a which has a hollow part is provided in the lower part, and the heat insulating material 103 was provided in the lower part.

Such a structure is to reduce the dynamic modulus of elasticity of the entire buffer layer 100, as well as to lower the heat permeability to improve the thermal insulation performance.

6 (E) is configured as shown in FIG. 6 (D), but the structural stability is increased by installing a buffer 102 between the support plate 101 and the buffer projection (102a), due to the buffer 102 The dynamic modulus of elasticity was further improved.

7 (F) is a support plate 101 is installed on the upper portion, the cushioning material 102 is installed on the lower portion, the buffer 102 is a simple structure, but the manufacturing of the configuration to have a hollow protrusion 102a itself It is a configuration to lower the modulus of elasticity.

7 (G) is configured as shown in FIG. 7 (F), but the structure of the upper support plate 101 is removed, so that one side of the buffer layer 100 may be recessed with respect to the upper local load, and thus the strength of the buffer layer 100 itself. It is preferable to form with a high material.

Figure 7 (H) is configured as shown in Figure 7 (G), but the heat insulating material 103 is installed in the lower portion has a good elastic modulus and thermal permeability, but similar to Figure 7 (G) one side to the upper local load It is preferable that the strength of the buffer layer 100 is high because it has the possibility of sinking.

7 (I) to 7 (L) shows a form in which the buffer layer 100 is stacked in multiple, the lower hollow buffer layer 100, the upper hollow portion of the lower lightweight foam concrete layer 20 or concrete floor layer It does not come into contact with (10), satisfies heat insulation performance, and the vibration damping effect is good by lowering the dynamic modulus of elasticity by the hollow part.

At this time, as shown in Figure 7 (J) to 7 (L) of the upper or lower, each of the buffer layer 100 to install a support plate 101 is configured to prevent the local depression of the buffer layer 100 from the upper load It is preferable.

Obviously, various buffer layers 100 may be applied to the spirit of the present invention in addition to the above-described embodiments, but as described above, the buffer layers 100 satisfying both the vibration blocking performance or the vibration blocking performance and the thermal insulation performance may be applied. It is desirable to.

The most preferable example of the configuration of the buffer layer 100 as described above is provided with the support plate 101, the moisture is not absorbed into the buffer layer 100 of the open cell structure by the support plate 101.

Then, the buffer layer 100 preferably has a hollow portion, and finally, a heat insulating material is installed in the lower portion so that the hollow portion does not directly contact the lightweight foam concrete layer 20 or the concrete floor layer 10 at the bottom, or the buffer layer having a multi-structure ( 100) it is preferable to have a structure.

In addition, in the configuration of the various buffer layers 100 as described above, the support plate 101 may be formed using one to three kinds of polypropylene, polyvinyl chloride, polyethylene as a raw material.

In addition, it may be formed of any one selected from plywood, a pressurized molding plate to which a binder is added, a pressurized molding plate to which a binder is added, a pressurized molding plate to which a binder is added, and a powdered wood powder and an inorganic powder. have.

At this time, the thickness of the support plate 101 is preferably formed to a thickness between 0.5 mm to 50 mm.

If it is thinner than 0.5 mm, not only the support function is lowered, but also local deformation occurs, so that the upper lightweight foam concrete layer 20 or the finishing mortar layer 30 cannot be well supported.

In addition, when the thickness is thicker than 50 mm, not only economic efficiency is low, but also there is a problem of narrowing the space for installing a member such as the cushioning material 102.

The support plate 101 should maintain the strength while making the thickness as thin as possible, and should also consider the economics.

Therefore, although it may be formed in the form of a general flat plate, it is more preferable to form in a multi-wall form having a column using a member having a high strength.

To this end, a flat plate portion is formed on the upper and lower portions, and a wall portion is formed in the form of a multi-walled portion therebetween, so that even if an expensive member having a high strength is used, less material is added, so that an economical member can be used.

At this time, the shape of the wall portion may be formed in a straight line, a triangle, a quadrangle, a polygon such as a hexagon, a cylinder, or the like in addition to the lattice shape to further improve the structural strength.

On the other hand, the cushioning material 102 and the heat insulating material 103 is preferably foamed using natural rubber or synthetic rubber as a raw material, or foamed using a mixed material of natural rubber and synthetic rubber as a raw material.

In addition, a foamed product can be used as a raw material of polyurethane, polyolefin, polyethylene, polypropylene, polyvinyl chloride, ethylene vinyl acetate, or a mixed material of these two to six kinds.

In addition, it is also possible to use a mixture of one to eight kinds of foamed grinding materials selected from natural rubber, synthetic rubber, polyurethane, polyolefin, polyethylene, polypropylene, polyvinyl chloride, and ethylene vinyl acetate.

In addition, a polyester nonwoven layer can also be used as the buffer material 102.

In addition, the hollow portion and the buffer protrusion 102a may adjust the diameter, width, thickness, contact area, etc. in consideration of materials, total area, required thickness, and the like of each member.

On the side and bottom of the buffer layer 100 of the present invention configured as described above, the waterproof layer 200 including the side waterproof portion 210 and the lower waterproof portion 220 each having a waterproof material is formed.

As a result, by the support plate 101 and the waterproof layer 200, the buffer layer 100 is a structure that does not penetrate moisture from the outside, and exhibits a vibration blocking effect smoothly, less worry of corrosion due to moisture, moisture at the bottom This will prevent you from moving.

Looking at Figure 8, the side waterproof portion 210 can be seen that the left and right side waterproofing material 211 and the front and rear side waterproofing material 212 is attached.

To this end, the side waterproof portion 210 and the lower waterproof portion 220 is foamed by using one to six selected from polyethylene, polypropylene, polyolefin, polyvinyl chloride, ethylene vinyl acetate, rubber, rubber sheet, film It is preferable to use one composed of any one selected from the attached nonwoven fabric.

In addition, by attaching a metal-based metal thin film such as aluminum, iron, copper, or stainless steel to the lower part or the upper part of the lower waterproof part 220, the lower waterproof part 220 blocks the absorption of infrared radiation radiated from the lower part to cure. You can also prevent it.

In addition, the lower waterproof part 220 or the side waterproof part 210 may be formed by applying a liquid material, or may be formed by attaching a solid material using an adhesive.

However, when the buffer layer 100 is completely sealed by the support plate 101 and the waterproof layer 200, the support plate 101 or the side waterproof part may be expanded and contracted when the air inside the buffer layer 100 is sealed. Applying pressure to the 210 may cause a phenomenon that the side waterproof portion 210 falls.

In addition, the heat transfer from the top has a long time may lower the blocking rate of heat transferred to the bottom.

In order to solve this problem, it is possible to form a vent 230 in the side waterproof 210 as shown in Figs.

The vent 230 may be formed at various positions on the side waterproof portion 210 as shown, but preferably formed at the lower portion or in the middle so as to prevent water from flowing into the upper portion or the lower portion. .

In addition, the method of forming the ventilation hole 230 is formed by forming a side waterproof portion 210 by cutting a part of the side waterproof portion 210 or forming a perforated state when the side waterproof portion 210 is formed. It may be attached to the buffer layer 100.

In the above configuration, the simplest form of the method of connecting each buffer layer 100 side by side with each other, after forming the buffer layer 100 having a waterproof layer 200 in the form of a flat rectangular box, each buffer layer 100 to each other After tasting, the waterproof tape can be attached on the upper part of the connection part.

However, such a structure causes the connection of the buffer layer 100 to be depressed by the local compressive load acting on the connection portion, thereby allowing moisture to penetrate into the buffer layer 100.

In addition, due to the depression, the lightweight foamed concrete layer 20 or the finishing mortar layer 30 on the buffer layer 100 may be broken to form a flat bottom.

In order to solve such a problem, a reinforcing plate may be installed on an upper portion of the connection portion of the buffer layer 100 so that the connection portion of the buffer layer 100 may not be recessed by local loads generated at the connection portion.

As another method, the support member may be installed at the lower portion of the connection portion of the buffer layer 100 to increase the stress on the local compressive load.

However, the above methods have a problem in that the unit cost and air required to increase the reinforcement plate or support member, respectively, to be installed.

As a method for solving such a problem, a structure as shown in FIGS. 9 and 10 may be applied.

That is, one side circumferential surface of the buffer layer 100 is formed with a protrusion 110 protruding outward or downward, and the other bottom or top is recessed inwardly so as to be engaged with the protrusion 110. ) Is formed so that the protrusions 110 and the recesses 120 of the adjacent buffer layer 100 are engaged with each other.

More specifically, in FIG. 10, the depression 120 is formed on the upper left side of the buffer layer 100, the protrusion 110 is formed on the lower side, the protrusion 110 on the upper right side, and the depression on the lower side. 120 is formed so that the protrusions 110 and the recesses 120 of the adjacent buffer layer 100 are engaged with each other.

After the protrusion 110 and the depression 120 of the buffer layer 100 are engaged, the waterproof tape 200 may be attached to the upper portion of the connection portion.

At this time, when one side of the protrusion 110 is configured to be a portion of the side waterproof portion 210, and the other side is formed of the support plate 101, the contact area of the connection portion of the adjacent buffer layer 100 is increased to compress the load As well as the resistance to increase, it is possible to have a greater resistance to the local load by using the strength of the side waterproof portion (210).

To this end, the waterproof layer 200, in particular, the side waterproof portion 210 is preferably formed of a material having a higher strength than the buffer layer 100.

As described above, the building buffer layer having a hollow part of the present invention described above is not only used for the floor structure, but may be applied to various parts such as vibration blocking of a mechanical structure.

1 is a schematic cross-sectional view showing the floor structure of a typical building.

(A) Cross-sectional schematic diagram where the buffer layer is located below the lightweight foam concrete layer.

(B) Cross-sectional schematic diagram where the buffer layer is located below the finishing mortar layer.

Figure 2 is a schematic cross-sectional view showing a conventional buffer layer structure.

Figure 3 is a schematic cross-sectional view showing another conventional buffer layer structure.

Figure 4 is an exploded perspective view showing a waterproof structure of the buffer layer for the building floor of the present invention.

Figure 5 is an exploded perspective view showing another example of the waterproof structure of the buffer layer for the building floor of the present invention.

6 to 7 are cross-sectional schematic diagrams showing examples of buffer layers to which the present invention is applied.

Figure 8 is a perspective view showing an example of the vent formed in the waterproof structure of the buffer layer for the building floor of the present invention.

Figure 9 is a plan view showing an example of the waterproof structure for connecting the buffer layer in the present invention and a side view showing an example of a vent.

(A): Top view which shows the formation position of a vent.

(B)-(D): The side view which showed the structural example of the support plate and lower buffer layer for interconnection between buffer layers.

Figure 10 is an exploded side view showing the most preferred embodiment of the present invention.

<Detailed Description of Major Symbols in Drawing>

10: concrete floor layer 20: lightweight foam concrete layer

30: finishing mortar layer 40: buffer layer

50 tape 100 buffer layer

101: support plate 102: cushioning material

102a: cushioning projection 102b: support

103: heat insulation

110: protrusion 120: depression

200: waterproof layer 210: side waterproof part

211: left and right side waterproofing material 212: front and rear side waterproofing material

220: lower waterproof portion 230: vent

Claims (16)

In the waterproof structure of the buffer layer for the building floor, It is formed in the lower portion of the lightweight foam concrete layer 20 and is composed of a support plate 101 to support the upper load, and a buffer unit installed in the lower portion of the support plate 101 to block the floor impact sound, A buffer layer (100) configured to be supported by the concrete floor layer (10); Is formed on the side of the buffer layer 100, has a waterproof material, the vent 230 is formed on one side, the vent 230 is formed in the middle of the side surface of the buffer layer 100, 210 And a waterproof layer 200 formed on the bottom of the buffer layer 100 and configured of a lower waterproof portion 220 having a waterproof material. The support plate 101 is made of one or three of polypropylene, polyvinyl chloride, and polyethylene as a raw material so as to support the upper load with a strength sufficient to prevent breakage of the lightweight foamed concrete layer 20 from the applied upper load. It consists of any one selected from the plate, plywood, wood powder press-molded plate with binder, inorganic powder press-molded plate with binder, press-molded plate mixed with wood powder and inorganic powder with binder and press-molded. , Characterized in that having a thickness of 0.5 to 50 mm, Waterproof structure of the buffer floor for the building floor. delete The method of claim 1, The waterproof layer 200 is characterized in that the strength is higher than the buffer layer 100, Waterproof structure of the buffer floor for the building floor. The method according to any one of claims 1 to 3, One side circumferential surface of the buffer layer 100 is formed with a protrusion 110 protruding outward or downward, and the other bottom or top is recessed inwardly so as to be engaged with the protrusion 110. Is formed is characterized in that the protrusion 110 and the recessed portion 120 of the adjacent buffer layer 100 is configured to be engaged with each other, Waterproof structure of the buffer floor for the building floor. delete The method of claim 1, The buffer part, A plurality of buffer protrusions 102a formed below the support plate 101 and spaced apart from each other to have hollow portions inwardly; Characterized in that Waterproof structure of the buffer floor for the building floor. The method of claim 1, The buffer part, A buffer member 102 formed below the support plate 101; Is formed on the upper or lower portion of the buffer 102, spaced apart from each other a plurality of buffer protrusions (102a) to have a hollow portion inward; characterized in that consisting of, Waterproof structure of the buffer floor for the building floor. The method of claim 7, wherein Insulation material (103) for blocking the heat transmitted to the lightweight foam concrete layer 20 or the concrete floor layer 10 in the lower portion of the buffer material 102; characterized in that is further installed, Waterproof structure of the buffer floor for the building floor. delete delete delete delete The method according to any one of claims 6 to 7, The buffer layer 100 is characterized in that consisting of a multi-layered up and down structure, Waterproof structure of the buffer floor for the building floor. delete delete The method of claim 1, The waterproof layer, Polyethylene, polypropylene, polyolefin, polyvinyl chloride, ethylene vinyl acetate, characterized in that it comprises any one selected from the foamed, rubber plate, non-woven fabric attached film based on 1 to 6 selected from rubber , Waterproof structure of the buffer floor for the building floor.

Images