KR20110138451A

KR20110138451A - Construction of the playground floor children

Info

Publication number: KR20110138451A
Application number: KR1020100058342A
Authority: KR
Inventors: 김영남
Original assignee: (주)에스씨알
Priority date: 2010-06-21
Filing date: 2010-06-21
Publication date: 2011-12-28

Abstract

PURPOSE: A playground floor structure for kids using PE foam is provided to more effectively protect kids from accidents by using excellent elasticity of PE foam. CONSTITUTION: A playground floor structure for kids using PE foam comprises a base layer(20), a primer layer(30), a PE foam layer(40), a waste tire chip layer(35), and a non-toxic surface layer(60). One of concrete, permeable concrete, and asphalt concrete is poured on the upper side of a ground layer(10) in order to form the base layer. The primer layer is spread on the base layer. The PE foam layer is formed on the upper side of the primer layer to a fixed thickness. The waste tire layer is attached to the upper side of the PE foam layer. The non-toxic surface layer is made by pouring one of urethane chips and EPDM chips on the upper side of the waste tire chip layer.

Description

Floor structure for children's playground using PE foam {construction of the playground floor children}

The present invention relates to a children's playground flooring structure, and more particularly, to a more progressive improvement of the "children's playground flooring structure" patent applicant (10-0954684), in particular the urethane foam in the patent By replacing any elastic layer selected from PE and foam foam with PE foam (POLY ETHYLENE FOAM), it does not absorb water unlike the conventional one, so it has high water resistance, is free of harmful substances, is non-toxic and odorless, and is eco-friendly and superior in elasticity. By including this in the children's playground floor construction to increase the marginal height of the children's playground floor children playground floor structure using PE foam to be safe even if children fall or fall from the high playground will be.

In general, a children's playground refers to a place provided outdoors for children to play safely, and a children's playground is provided with various rides for children to enjoy.

Children's playgrounds are installed in the village's vacant lands, local parks, and newly built residential complexes. When creating such parks or children's playgrounds, there are construction regulations for safety, which have been strengthened since 2008. Among the construction regulations, safety floors must have good shock absorption and non-slip so that children can fall off the play equipment and prevent accidents.

In the past, a number of flooring materials for children's playgrounds and construction methods for allowing children to play stably have been presented.

Among them, Korean Patent Application No. 2005-0004538, "Rubber Flooring Blocks for Children's Playground," relates to a high elastic rubber flooring block for a children's playground that can prevent children's safety accidents. It proposes a rubber flooring block for children's playgrounds that has a cushioning bottom elastic rod and a connection part where the bottom elastic rods can be fixedly connected, and can also give various surface colors to a high elastic rubber flooring block for children's playgrounds. High elastic rubber flooring for children's playgrounds is presented, giving the appropriate color of the rubber flooring block.

However, the conventional "rubber flooring blocks for children's playgrounds", the upper outer surface of the block having a variety of colors; Since the upper elastic layer made by mixing the crushed waste tire chips and various resin rubber chips with the resin curing agent is formed, heavy metals such as lead in the waste tire chips may harm the children and the upper elasticity. Since the layer is formed using waste tire chips or various resin rubber chips, the elasticity of the upper elastic layer alone is not enough to effectively prevent the safety accidents of children. Since the rubber chip is manufactured by mixing with a resin curing agent, there is a problem that cracks occur due to shrinkage and expansion according to seasonal temperature. In particular, children's playgrounds using waste tire chips are used in summer, and nearby tires smell like waste tires.

On the other hand, the Republic of Korea Patent Application No. 2005-0023255 "Construction method of children's playground", the shock absorption is good to prevent children's safety accidents, high support strength, there is no depression or cracking, anti-slip effect and drainage performance At least one industry selected from the group consisting of fly ash, blast furnace slag, paper dust, limestone dust after digging soil to a certain depth from the surface, and then after compaction process Lightweight permeable concrete mixed with by-products, fine aggregates, cement, water, and bubble groups is cured, and the surface is made of polyurethane resin, EPDM (Ethylene Propylene Diene Monomer) chip, waste tire chip or recycled rubber chip. It shows how to pack with blocks or mats and how to use chips as a whole. .

However, the above-described "construction of children's playground" is a method of paving the surface with blocks or paving the mat using waste tire chips, recycled rubber chips, etc., and the method of packaging using chips as a whole. Heavy metals such as lead in waste tire chips may harm children, and the surface blocks are formed using waste tire chips, so they are not elastic enough to effectively prevent safety accidents of children. There is a problem that can not be.

In particular, the invention is a method of packaging the surface in blocks or mats using waste tire chips or recycled rubber chips, and packaging in the field using chips as a whole, polyurethane resin, EPDM (Ethylene Propylene Diene Monomer) In addition to the cumbersome disadvantages of packing chips, waste tire chips or recycled rubber chips in the field, this also causes problems such as cracks due to shrinkage and expansion due to seasonal temperature, and the odor of waste tires in summer. It also has the disadvantage that children avoid playground branches.

In addition, Korean Patent Application No. 2007-0135278 "Safety Rubber Flooring and Installation Method for Children's Playground" uses a mixed material such as waste tire pulverized material or urethane binder as the flooring material, and has a cushioning property by improving the flooring structure. By increasing the safety, the rubber flooring material for children's playgrounds has been proposed, and the binding structure between flooring materials that are in contact with each other during flooring construction can be applied to prevent deformations such as warping and bending due to impact or environmental changes. And, accordingly, it proposes a method of installing rubber flooring materials for children's playgrounds, which has a safety that can enhance the structural strength and durability of the flooring material, and can give a variety of expressions such as patterns, logos, colors, etc. Rubber flooring and installation method for children's playground.

However, the conventional "rubber flooring and installation method for children's playgrounds with safety" as described above is used as a material of the flooring material because waste metals such as lead tire chips and urethane binders are mixed with young metals such as lead and In addition to the problems that can cause harm to children, flooring materials are formed using waste tire chips, etc., but they have only low elasticity. After construction, cracks are generated on the surface of flooring materials due to air temperature, resulting in poor construction. If you leave the crack there is a problem that a safety accident occurs by the crack.

In addition, the Republic of Korea Patent Application No. 2008-0017241 "sand plate construction method of children's playgrounds and various facilities and single grain fine aggregate required for it" is not directly related to the present invention, but to find a physical solution rather than a chemical method, Sand used in children's playgrounds, such as schools and apartments, is classified using only the granularity of a specific standard, so that it does not have compaction on the playground floor, and it does not need chemical disinfection. It is proposed a floor construction method for children's playground without drainage, breathability, and germ-free growth.

And after the sterilization process of heating the sand classified only by the granularity to a high temperature of more than 200 ℃ is proposed the single-particulate sand standard for playgrounds to provide aseptic sand.

However, the above-mentioned "children's playground and sand plate construction method of various facilities and single grain fine aggregate required for it", the first step of digging the soil to a certain depth, compacting the ground and installing the drainage pipes; A second step of laying the general gravel having a diameter of 25 ± 10 mm in a thickness range of 25 ± 15 mm after the first step process; A third step of forming a single grain aggregate receiving part by laying the nonwoven fabric after the second step process; Since the standard aggregate is selected from the aggregate size range of 1.0 to 9.0 mm after the third step process, the fine aggregate classified into only the standard aggregate ± 0.5 mm single granularity is filled with the single grain aggregate receiving portion, so the drainage is good. However, since rainwater is repeatedly absorbed in the sand layer and the sand layer may harden according to climate change, effective buffering performance may not be obtained.

In order to solve the above problems, the present applicant has proposed a "child playground playground floor structure and registered a patent (10-0954684), where, the ground layer, concrete, pitcher cone, installed in a predetermined thickness on the upper surface of the ground layer, In the children's playground flooring structure comprising any one selected from among the ascon base layer, a primer layer applied on the base layer, and a surface layer of any one selected from the urethane chip and EPDM chip bonded with a certain thickness on the upper surface of the primer layer The urethane foam and the marble foam are formed of an object that has a predetermined thickness between the primer layer and the surface layer and is cut into a predetermined size in all directions to be bonded by a sealing material when one object is in contact with one side of one or more other objects. The structure which further contains any one elastic layer selected from the sponge is employ | adopted.

However, the elastic layer as described above, can prevent damage caused by heavy metals, and does not occur shrinkage and expansion does not cause cracks in the surface layer provided in the upper layer, and excellent elasticity to prevent children's safety accidents in advance. The effect can be sufficient, but after a long period of time after the completion of construction may have a problem that water can penetrate into the elastic layer of any one selected from urethane chips and EPDM chips.

Therefore, an object of the present invention, which was devised to solve the above problems, by replacing any elastic layer selected from urethane foam and marble foam sponge with PE foam (POLY ETHYLENE FOAM) does not absorb water unlike conventional Therefore, it has high water resistance, no harmful substances, non-toxic and odorless, eco-friendly and superior in elasticity, and it is included in children's playground floor construction to increase the limit height of children's playgrounds. Or to provide a children's playground floor structure using a PE foam to be safe even if falling.

The object is, according to the present invention, the ground layer, the base layer provided with any one selected from concrete, pitcher cone, ascone laid on the upper surface of the ground layer with a constant thickness, a primer layer applied on the base layer, the primer layer upper surface In the children's playground floor structure consisting of a waste tire chip layer (remanufactured rubber chip) bonded to a certain thickness at the top surface of the waste tire chip layer (regenerated rubber chip), the surface layer of any one selected from urethane chip and EPDM chip (color chip). In the present invention, the primer layer and the waste tar chip layer (regenerated rubber chip) are formed of a cut object having a predetermined thickness and a predetermined size in all directions to be bonded with a sealing material when one object comes into contact with one side of any one or more other objects. It is achieved by a children's playground floor structure using PE foam characterized in that it further comprises a PE foam layer.

The present invention as described above, by replacing any one of the elastic layer selected from urethane foam and marble foam sponge with PE foam (POLY ETHYLENE FOAM), unlike the prior art does not absorb water, strong water resistance, no harmful substances and non-toxic · Odorless, eco-friendly and resilient so that it is included in the children's playground floor construction to increase the limit height of the children's playground, there is a safe effect even if children fall or fall from the height of the playground.

1 is a block diagram showing a construction method of a children's playground floor structure according to the present invention in a process order, Figure 2 is a cross-sectional view showing a floor structure of a children's playground constructed in accordance with the construction method of the present invention.

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

1 is a block diagram illustrating a construction method of a children's playground floor structure according to the present invention in a process order, Figure 2 is a floor structure of a children's playground constructed according to the construction method of the present invention.

As can be seen in these figures, the children's playground floor structure according to the present invention has the configuration as shown in FIG.

That is, any one of the base layer 20 selected from concrete, pitcher cone, and asphalt concrete laid on the upper surface of the ground layer 10, the primer layer 30 applied on the base layer, and a constant thickness on the upper surface of the primer layer On the PE foam layer 40 and the waste tire chip layer (recycled rubber chip) 35 bonded to the PE foam layer 40 having a predetermined thickness on the upper surface, and the waste tire chip layer (recycled rubber chip) 35 It consists of a non-toxic surface layer 60 of any one selected from urethane chips and EPDM chips (color chips) of a constant thickness. Here, the PE foam layer 40 is formed of an object cut to a predetermined size in all directions, and has a structure in which one object is bonded as the sealing material 50 when contacted with one side of one or more other objects.

As described above, the children's playground floor structure according to the present invention is constructed by the following construction method.

First, the ground of the children's playground is flat to go through the formation layer (S10) to form a stable layer 10.

And base layer laying step (S20) for laying any one of the foundation layer 20 selected from concrete, pitcher cone, ascon to a predetermined thickness on the top surface of the stable ground layer 10 to prevent settlement of the ground Rough

Subsequently, the primer is applied to the upper surface of the base layer 20 to go through a primer coating step (S30) to form a primer coating layer (30). While the primer coating layer 30 prevents water from penetrating into the base layer 20, the PE foam layer 40 has excellent contact and adhesiveness with the PE foam layer 40 provided on the primer layer 30. ) Prevents the flow of).

And through the PE foam layer installation step (S40) for installing a PE foam layer 40 having a predetermined thickness on the upper surface of the primer coating layer 30, the PE foam layer 40 according to the present invention does not absorb water without moisture As it does not pass through, it is strong in water resistance and water resistance. It has no harmful substances and is non-toxic and odorless. It is eco-friendly and has rigidity and proper flexibility with independent bubble structure and foaming force. do.

Wherein the PE foam layer 40 is used to be cut into a certain size of the object in all directions, so that the surface of the primer coating layer 30 is connected to the surface of the object of any one or more other PE foam layer 40 in successive contact. In that case, it is a rule to join as the sealing material 50. In addition, one side of the boundary stone 100 and the PE foam layer 40 installed at the edge of the playground and partitions the children's playground is hermetically bonded using the sealing material 50.

Then, after the waste tire chip layer laying step (S45) of laying the waste tire chip layer (regenerated rubber chip) 35 with the adhesive stirred to a predetermined thickness on the upper surface of the PE foam layer 40, the waste tire chip layer (regenerated rubber chip) (35) The upper surface of the children's playground floor can be constructed by going through the surface layer laying step (S50) of installing any one of the non-toxic surface layer 60 selected from the urethane chip and EPDM chip (color chip). 60 may impart color. The thickness of the surface layer 60 is preferably 7 to 13 mm, the thickness of the waste tire chip layer (regenerated rubber chip) is 20 to 40 mm, and the thickness of the PE foam layer 40 is 20 to 30 mm.

PE foam layer 40 according to the floor structure of the children's playground constructed by the construction method as described above, do not absorb water and do not pass moisture, it is waterproof and water-resistant, there is no harmful substances, non-toxic, odorless and environmentally friendly It has the rigidity and proper flexibility of independent bubble structure and foaming force, so it has excellent elasticity and maintains its original shape without breaking even after repeated impact. Especially, when PE foam layer 40 is used for the floor structure of children's playground, the elasticity is high and the limit is lowered. Its height is high, so it is desirable to prevent accidents of children. Here, the limit drop height of PE foam layer tested by Korea Environmental Testing and Research Institute (GRM 6004: 2008) was obtained as the limit height of 2,652mm.

The present invention configured as described above can prevent the damage of children due to heavy metals by constructing the children's playground floor structure using the PE foam layer 40, it does not absorb water, strong water resistance, no harmful substances, non-toxic and Odorless, eco-friendly and elasticity to be superior, including this in children's playground floor construction to increase the limit height of the children's playground, safe even when children fall or fall from the high playground equipment, PE foam layer (40) Since there is no shrinkage and expansion of the PE foam layer 40, that is, no cracks are generated on the top of the waste tire chip layer (regenerated rubber chip) 35 and the surface layer 60, so that no separate defect repair is required according to the crack. In particular, according to the present invention can be effectively prevent the safety accident because the elasticity is superior to the flooring material or floor structure of the conventional children's playground, it can be installed PE foam layer 40 having a different elasticity according to the situation of the children's playground In addition, it is easy to construct, excellent in durability, easy to maintain, and low thermal conductivity, so that snow melts quickly in winter and minimizes the smell of waste tires generated by radiant heat in summer.

10: strata, 20: base layer, 30: primer coating layer, 35: waste tie chip layer, 40: PE layer, 50: sealing material, 60: surface layer, S10: layer formation step, S20: base layer laying step, S30: primer Coating step, S40: Elastic layer installation step, S45: Waste tire chip layer laying step, S50: Surface layer laying step

Claims

A base layer formed of any one selected from the ground layer, concrete, pitcher cone, and asphalt concrete laid on the upper surface of the ground layer, a primer layer applied on the base layer, and a lung bonded with a predetermined thickness on the upper surface of the primer layer. In the children's playground floor structure consisting of a tire chip layer (recycled rubber chip) and the surface layer of any one selected from urethane chip and EPDM chip (color chip) on the top surface of the waste tire chip layer (recycled rubber chip),
Between the primer layer and the waste tire chip layer (regenerated rubber chip) is formed of an object cut to a certain size in all directions with a constant thickness is provided is bonded to the sealing material when one object is in contact with one side of any one or more other objects Children's playground floor structure using PE foam characterized in that it further comprises a PE foam layer.