KR20020073608A - method and structure for permeable and elastic pavement - Google Patents

Abstract

PURPOSE: A permeable-elastic pavement structure is provided to reduce the period and cost of construction and to simplify dismantlement. CONSTITUTION: The permeable-elastic pavement structure comprises: a lower elastic layer(4a) formed by paving elastic chips of large particles directly on a foundation layer composed of a soil layer, a rubble layer, a permeable concrete layer or a permeable asphalt layer without applying primer; and an upper elastic layer(4b) formed by paving elastic chips of small particles colored with pigments on the lower elastic layer(4a).

Description

Permeable elastic paving method and permeable elastic paving structure {method and structure for permeable and elastic pavement}

The present invention relates to a water-permeable packaging method and a water-permeable packaging structure, and more particularly, to a water-permeable packaging method and a water-permeable packaging structure in which construction is simplified and the elastic force of the water-permeable packaging layer is improved.

In general, the unpaved road surface where the soil layer is exposed is very difficult to maintain the flatness or strength of the surface due to various weather conditions such as rainfall, temperature, and traffic volume of people or vehicles. Not suitable for use

Therefore, the surface of the places are paved with concrete or asphalt to minimize changes in the state of the road surface due to external conditions so that they can be used as sidewalks, driveways, plazas, parking lots, and the like.

On the other hand, the concrete or asphalt pavement surface as described above is hard to walk for a long time, such as the impact is transmitted to the legs and waist during walking because the surface is hard shock absorbency.

Therefore, in recent years, the surface of places where people, such as sidewalks and plazas are mainly used for walking, is wrapped with an elastic body to protect the body of pedestrians by improving shock absorbency (Lee Ye-Ye; Jogging course of neighboring parks) as well as pedestrian paths. It makes it possible to feel a new feeling of walking (lightness, comfort), and by adding a pigment to the elastic body to be able to design the packaging surface in a variety of colors and patterns have been used in a lot of floor packaging such as amusement park.

In addition, in order to prevent slippage on the elastic pavement surface during rain, the elastic body has water permeability so that rain water does not collect on the pavement surface and is absorbed into the lower layer. It is also desirable for the soil environment.

As described above, a package in which the packaging surface has both permeability and elasticity is called permeable elastic packaging.

On the other hand, in general, in order to pave the surface of a certain area, as shown in Figure 1, the gravel and crushed stone to form a crusher layer (1), the concrete or asphalt is laid on the crusher layer (1), If the laid concrete or asphalt layer is permeable, it becomes permeable pavement.

In order to add elasticity to the road surface in the above state, a primer, which is a kind of adhesive, is applied to the surface of the water-permeable concrete layer or water-permeable asphalt layer 2 to form a primer coating layer 3, and the primer coating layer 3 The water-permeable elastic packaging layer 4 is formed by mixing the rubber chip with a binder as a binder and a pigment for coloring on top of the same, and preventing desorption of the rubber chip on the surface of the water-permeable elastic packaging layer 4. The top coating layer 5 is formed.

Therefore, the pavement surface has both permeability and elasticity, which improves the soil environment under the pavement surface compared to the non-permeable inelastic pavement surface, which is advantageous for the preservation of the earth's ecosystem and the growth of roadside trees, and the burden on the body for pedestrians. It is small and comfortable to walk, and there is no slip even in the rain.

However, in the related art, in order to form the permeable elastic packaging layer 4 made of rubber chips, it is inconvenient to apply a primer, which is an adhesive, in order to firmly attach the rubber chips to the permeable concrete layer (or permeable asphalt layer).

In addition, in the case of overlaying only the permeable elastic packaging layer 4 on the permeable concrete layer (or permeable asphalt layer) previously constructed as described above, only the primer is applied and the rubber chip is laid, but the permeable elastic packaging is constructed from the beginning. In this case, the permeable concrete layer (or the permeable asphalt layer; 2) is inevitably due to the decrease in the overall strength of the package and the problem that the permeable elastic packaging layer 4 does not adhere well even when the primer is applied to the surface of the crusher layer 1. ) Had to be constructed first, so there was a disadvantage in terms of construction period and cost due to process increase.

In addition, when removing the permeable elastic packaging layer (4) overlaid on the permeable concrete or permeable asphalt layer (2)-for example, jogging coarse, etc. additionally installed on the existing general pavement surface is removed for some reason In the case where reuse of the existing pavement surface is required--the permeable elastic packaging layer 4 is attached to the primer coating layer 3 too strongly, and thus there is another problem that it is not easy to dismantle.

Accordingly, the present invention has been made to solve the above problems,

Regardless of the type of base layer on which the permeable elastic packaging layer is installed, the permeable elastic packaging layer is directly installed without applying a primer on the surface of the base layer, thereby simplifying construction, reducing air and cost, and dismantling. It is an object of the present invention to provide a permeable elastic packaging method and a permeable elastic packaging structure.

1 is a cross-sectional view of a permeable elastic packaging structure constructed by a conventional permeable elastic packaging method,

Figure 2 is a cross-sectional view showing a first embodiment of a permeable elastic packaging structure constructed by a permeable elastic packaging method according to the present invention,

3 is a cross-sectional view showing a second embodiment of the present invention;

4 is a cross-sectional view showing a third embodiment of the present invention;

5 is a plan view of a support frame applied to the third embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

1: crusher layer, 2: permeable concrete layer or permeable asphalt layer,

3: primer coating layer, 4: water-permeable elastic packaging layer,

4a: lower elastic layer, 4b: upper elastic layer,

5: top coating layer, 6: support frame,

6a: square pipe, 7: pedestal.

In order to achieve the above object, the present invention's permeable elastic paving method directly installs a large particle elastic chip directly on top of a base layer consisting of a suspended soil layer or a crusher layer or a permeable concrete layer or a permeable asphalt layer. A lower elastic layer construction step, an upper elastic layer construction step of placing an elastic chip with small particles on top of the lower elastic layer, and a top coating step of performing top coating on the surface of the upper elastic layer.

Here, after the installation of each step is necessary, each curing and rolling work is required, of course, in the lower elastic layer construction step is to install the support frame on the base layer and install the elastic chip to support the inside of the lower elastic layer The stiffness can also be reinforced by enclosing the framework.

In addition, the water-permeable pavement structure of the present invention by the above construction method is a base layer consisting of a soil layer or a crusher layer or a permeable concrete layer or a permeable asphalt layer, and an elastic chip having large particles on top of the base layer is directly installed without applying a primer. And a top elastic layer formed of an elastic chip having small particles on top of the bottom elastic layer, and a top coating layer coated on the surface of the top elastic layer. The support frame may be built for this purpose.

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

Figure 2 is a first embodiment of the present invention, the stability of the pavement surface (for settlement or cracking of the pavement surface due to subsidence of the base layer) and load distribution in the case of the construction of the packaging surface subjected to a lot of load by the vehicle, etc. In the case where the permeable elastic packaging layer 4 is directly formed on the crusher layer 1 formed in order to advantageously, the permeable elastic packaging layer 4 is composed of a lower elastic layer 4a and an upper elastic layer 4b. Among them, the particles of the elastic chip used for the lower elastic layer 4a are relatively larger than the particles of the elastic chip used for the upper elastic layer 4b.

Before the construction of the lower elastic layer 4a, the compaction of the crusher layer 1, which is the base layer, should be sufficiently sufficient to facilitate the formation of a flat and continuous pavement surface during rolling after installation.

The elastic chip used in this step is about 13mm in diameter, and it is a recycled rubber chip produced by crushing waste tires and separating cord paper made of steel wire and fabric, and using a binder and a curing agent mixed with the recycled rubber chip. .

Mixing of the recycled rubber chip, the binder and the curing agent is made in a mixer (0.75kw, 26rpm), first put the rubber chip in the mixer, after 3 minutes of operation to add a curing agent, after 2 minutes to add a binder, 3 minutes It is installed by mixing more, leveling by roller compaction (rolling) of constant pressure, and detail spaces such as corners are corrected using trowel or hand roller.

The recycled rubber chip and the additives are mixed in a heated state so that the mixture itself is adhesive enough to adhere to the crusher layer 1, and thus it is not necessary to use a primer separately.

On the other hand, curing time is different depending on the season and weather, but usually based on 24 hours, when curing is made 90% or more can be constructed upper elastic layer (4b).

The elastic chip used for the upper elastic layer 4b is a urethane chip (you may use a recycled urethane chip or a recycled rubber chip used for the lower elastic layer) than the recycled rubber chip used for the lower elastic layer 4a. A small diameter of about 8mm is used, and the final packing surface can be produced in various colors by adding a pigment of a desired color when mixing.

For mixing urethane chips, binders, hardeners and pigments used for laying the upper elastic layer 4b, first put urethane chips in a blender, add a hardener after 3 minutes of operation, and then add a binder after 2 minutes and further mix for 3 minutes Then, it is made by mixing for 1 minute by adding a pigment of the desired color, and then placed on the lower elastic layer (4a), and compacted with a load of about 30kg / ㎠, and considering the aesthetics trowel or hand roller Finish clean and back.

After laying the upper elastic layer 4b, it takes 7 days to completely cure the whole package structure, but walking is possible after approximately 24 hours.

Thus, the permeable elastic packaging layer 4 is more advantageous in dispersing and absorbing (impact) loads transmitted from the upper part of the pavement surface by forming the elastic chips with small particles on the upper part and the elastic chips with large particles on the lower part. Do.

In addition, the laying thickness of the lower elastic layer 4a and the upper elastic layer 4b may vary depending on the use of the elastic pavement surface (jogging cousins, tennis courts, street basketballs, etc.). Appropriate elastic reaction required according to the city factory such as court, parking lot, plaza, etc.), the thickness of the lower elastic layer 4a is about 60mm, and the thickness of the upper elastic layer 4b is about 10mm.

Finally, when the upper elastic layer forming step is completed, in order to improve the surface strength of the upper elastic layer 4b which is directly impacted by external impacts, a mixture of a binder and a solvent is prevented to prevent the detachment phenomenon in which the elastic chips are separated from the packaging surface. A top coating step is applied to the pavement surface with a compressor sprayer, and pigments can be added to the mixture to make the color of the pavement surface clearer, and the coating thickness is about 0.1 mm.

3 is a view illustrating a second embodiment of the present invention, which includes a lower elastic layer 4a and an upper elastic layer 4b on the surface of a water-permeable concrete or water-permeable asphalt layer 2, which is a conventional pavement surface. When the pavement layer 4 is constructed, the lower elastic layer 4a has adhesiveness that can be stably adhered to the crusher layer 1 at the time of laying as described above, so that the permeable concrete layer or the permeable asphalt layer 2 It is possible to directly install on the surface of) without applying primer, so it can be used as the base layer of the elastic pavement without damaging the existing pavement surface.

In addition, all the construction steps, the materials used, and the like are the same as in the first embodiment.

That is, the permeable elastic packaging layer (4) is any place as long as the floor is flat, irrespective of the type of base layer such as the crusher layer (1), the permeable concrete layer or the permeable asphalt layer (2) As construction is possible, besides the places mentioned as examples, the rooftop or terrace of the building, the practice bat at the golf practice range, and the property that does not slip well even when wet, can be applied to various parts of the pool.

In addition, this advantage can also be utilized as a roadside protection cover of the roadside, that is, if the permeable elastic pavement layer 4 is directly laid on the soil floor around the base of the roadside tree, the permeable elastic pavement layer 4 is a roadside tree. This prevents soil from spilling around the base and prevents roadside roots from being exposed to the outside and soiled sidewalks from the spilled soil. It can help grow trees.

On the other hand, the embodiment shown in Figure 4, when laying the lower elastic layer (4a) is advantageous in that the uncured recycled rubber chips do not spread downward by its own weight, and stably maintain the compacted state until fully cured In addition, in the state where the elastic construction is completed (normally used after completion of curing), in addition to the elastic force on the packaging surface, deformation stability (non-deformation of the lower permeable elastic packaging layer, that is, increase in rigidity) is required. And a support frame 6 provided inside the lower elastic layer 4a to evenly distribute the load applied to the packaging surface to the lower layer.

The support frame 6 is assembled by connecting a plurality of square pipes 6a by a joint, and can be assembled to a size corresponding to an area to be packaged.

At the time of construction, the support frame 6 is supported by using a plurality of pedestals 7 such that the support frame 6 is positioned 20 mm away from the surface of the crusher layer 1.

When the support frame 6 is installed on the upper part of the crusher layer 1 as described above, the recycled rubber chip mixed with the binder and the curing agent is poured so that the support frame 6 is embedded in the rubber chips, and the rubber chip is poured. When the rubber chip is sufficiently filled in the space below the support frame 6, the roller compaction work more faithfully.

Thereafter, the upper elastic layer 4b is formed on the upper elastic layer 4a, and the top coating layer 5 is formed on the surface of the upper elastic layer 4b as in the first and second embodiments.

As described above, according to the present invention, when the permeable elastic packaging layer is laid on the existing pavement surface, primer coating is not required. Install the permeable elastic pavement layer directly on the crusher layer without the need for construction. (If the pavement layer is not subjected to a large load by automobiles, etc., and the less rigidity of the foundation layer is required, the crusher layer is omitted. It can be laid directly.) It is easy to construct, can reduce the construction period and cost, and since the primer is not applied, it can be easily removed.

In addition, if the floor is flat, it can be installed anywhere, so the application range is very wide, and the shock absorbing power is improved by increasing the elastic force of the permeable elastic packaging layer, so the walking feeling is excellent and the shock is less transmitted to the body, and the sound absorption is also improved. It can also be expected that when the construction of the roof of the building there is an effect that can reduce the impact of vibration, noise due to activities on the roof to the lower floor.

Claims (4)

A step of constructing a lower elastic layer 4a for directly depositing a large-sized elastic chip without primer coating on top of a soil layer or a crusher layer or a permeable concrete layer or a permeable asphalt layer, and an upper portion of the lower elastic layer 4a. A permeable elastic packaging method comprising the step of constructing an upper elastic layer (4b) for depositing elastic chips with small particles and pigments. The method according to claim 1, characterized in that the support frame (6) supported by the pedestal (7) is installed in the construction step of the lower elastic layer (4a), and the elastic chip is installed so that the support frame (6) is embedded. Permeable elastic packing method. On the upper layer of the soil layer or the crusher layer, or the permeable concrete layer or the permeable asphalt layer, the lower elastic layer 4a formed by directly depositing a large-sized elastic chip without applying the primer, and on the upper portion of the lower elastic layer 4a A permeable elastic packaging structure comprising an upper elastic layer (4b) formed by depositing an elastic chip having small particles and pigmented therein. 4. The pitcher according to claim 3, wherein the lower elastic layer (4a) is provided with a plurality of square pipes (6a) connected through a joint and a support frame (6) supported by a pedestal (7). Elastic packing structure.