CN112523032A - Outdoor special artificial turf protective ground structure and construction method - Google Patents
Outdoor special artificial turf protective ground structure and construction method Download PDFInfo
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- CN112523032A CN112523032A CN201910874218.2A CN201910874218A CN112523032A CN 112523032 A CN112523032 A CN 112523032A CN 201910874218 A CN201910874218 A CN 201910874218A CN 112523032 A CN112523032 A CN 112523032A
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- 238000010276 construction Methods 0.000 title claims description 36
- 230000001681 protective effect Effects 0.000 title claims description 31
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Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
- E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds
- E01C13/083—Construction of grass-grown sports grounds; Drainage, irrigation or heating arrangements therefor
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/21—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials for simultaneously but separately applying liquid material and granular or pulverulent material, e.g. bitumen and grit, with or without spreading ; for filling grooves and gritting the filling
Abstract
The ground protecting structure for outdoor artificial lawn includes one base layer of cement concrete layer or asphalt layer, and one bottom coating layer, one ETPU buffering layer, one EPDM hole sealing layer, one adhering layer and one artificial lawn layer successively set on the base layer and connected together through adhering. The whole structure designed by the invention has outstanding shock absorption and buffering characteristics, the shock absorption reaches more than 60%, the use safety is improved, and the sports injury of a user can be effectively reduced; the invention can ensure that the use of the field is not influenced by seasons, and the use period of the field is long; according to the invention, after the lawn is treaded for a long time, the root of the grass filament is not easy to loosen and drop, and the whole adopted materials are environment-friendly materials, so that the full-term chemical property detection of a new national standard can be completely met, and the lawn is really nontoxic, safe and excellent in durability.
Description
Technical Field
The invention relates to the field of building ground structures and construction, in particular to an artificial turf protective ground structure applied to outdoor ground and a matched construction method.
Background
At present, a structure that a layer of high-density artificial lawn is paved on the basis of asphalt or cement concrete is often adopted in outdoor ground places of children playing and outdoor sports activities, such as kindergartens, child playgrounds and the like, the structure of the artificial lawn is different from the structure of a turf on a football field, the artificial lawn is not a real lawn, but an artificial lawn structure without quartz sand or elastic rubber particles filled in the artificial lawn structure is adopted, and the artificial lawn structure is mainly used for reducing the cost and preventing children from collecting fillers to play, even entering the mouth and the like to cause safety accidents.
However, the artificial turf in the prior art has many defects due to the direct bonding with the ground, and the defects are as follows:
1. the artificial lawn is directly bonded with the ground, and the buffering effect is poor;
2. due to lack of buffer, the lawn is easy to be treaded and flattened after being used for a period of time, and the elastic loss speed of the lawn is high;
3. after the artificial lawn is stepped on for a long time, the root of the grass filaments in the lawn is loosened, the grass filaments fall off, the lawn is easy to delaminate due to the fact that the lawn is not firmly bonded with the foundation ground, seams are easy to crack and easy to damage, durability cannot be guaranteed, and in addition, materials such as damaged lawns and fallen grass filaments can bring harm to the health of infants.
In addition to the above disadvantages, the artificial turf structure in the prior art has a problem of low impact absorption value, which generally does not exceed 25%, and is far from meeting the requirement of over 45% for impact absorption of the artificial turf structure in middle and primary schools in the new national standard GB36246-2018, and when playing on such a field with poor buffering effect, poor elasticity, and low impact absorption value, ankle and knee joints are easily injured during running, feet are twisted and contused, and body injuries such as fracture are easily caused when being accidentally knocked down or fallen down, so the artificial turf structure in the prior art cannot meet the requirements of playground courses in kindergartens, child playgrounds, and the like.
Disclosure of Invention
In summary, in order to solve various problems of the artificial turf structure in the prior art, the invention provides an outdoor special artificial turf protective ground structure and a construction method thereof, and the redesigned protective ground structure and the matched construction method can meet the requirements of playgrounds of kindergartens and children amusement places on the motion of the artificial turf field, can meet the requirements of impact absorption performance on the ground structure during various motions, and can well protect children from being damaged during various motions.
The invention relates to an outdoor special artificial turf protective ground structure and a construction method thereof, wherein the specific structure and the construction method are as follows:
the utility model provides an outdoor special artificial turf protection ground structure, includes the basal layer, its characterized in that:
the base layer is a cement concrete layer or an asphalt layer, and a bottom coating, an ETPU buffer layer, an EPDM hole sealing layer, an adhesive layer and an artificial turf surface layer are sequentially arranged on the base layer from bottom to top and are connected into a whole in an adhesive mode.
The cement designation of the base layer of cement concrete is C25 or C30.
The outdoor special artificial turf protective ground structure is characterized in that the bottom coating is formed by spraying or rolling single-component polyurethane glue or double-component epoxy resin glue on the base layer to be adhered with the base layer, and the thickness of the bottom coating is 0.1-0.3 mm.
The high-strength permeable bottom coating for bonding the base layer and the lower part of the ETPU buffer layer can ensure the bonding of the ETPU buffer layer and the base layer on the one hand, and can also enhance the surface strength of the base layer on the other hand.
The invention relates to an outdoor special artificial turf protective ground structure which is characterized in that an ETPU buffer layer is formed by mixing ETPU particles formed by physically foaming thermoplastic polyurethane with single-component polyurethane adhesive and adhering the mixture to the upper part of a bottom coating in a flat spreading mode, and the thickness of the ETPU buffer layer is 5-30 mm.
The invention relates to an outdoor special artificial turf protective ground structure, which is characterized in thatCharacterized in that the particle size of the ETPU particles of the ETPU buffer layer (3) is 2-8 mm, the shape is circular or oval, and the bulk density of the ETPU particles is 20kg/m3～200kg/m3。
The sizes of the commonly used ETPU particles are 3 mm-4 mm and 5 mm-6 mm, and can be automatically adjusted according to requirements or actual construction conditions.
The design aim is that the ETPU buffer layer is made of a high-elasticity material formed by foaming Thermoplastic Polyurethane (TPU) -ETPU particles and environment-friendly single-component polyurethane glue are mixed and then spread by one or more layers, the super impact absorption performance and the energy return capability of the particles are fully utilized, so that the impact absorption of the artificial lawn structure reaches more than 60%, the whole structure is ensured to have better buffer performance, and the use safety is greatly improved. ETPU granule can be effectively gathered and release energy after atress every time, and unique polymer honeycomb provides powerful shock attenuation and resilience force, both can avoid the user to move about on the spot well, the accident that appears when playing falls and injures, hits the accident, can reduce the motion energy consumption of user when running again, plays for a long time, also can not be too tired.
Meanwhile, when the temperature of the ETPU particles is between 65 ℃ and-20 ℃, the elasticity of the ETPU particles is not lost, the excellent damping and buffering performance can still be kept, the use of the field is not influenced by seasons, and the service cycle of the field is prolonged.
In addition, the ETPU buffer layer with excellent elasticity provides effective shock absorption and buffering for the artificial lawn, so that the root of the grass filaments is not easy to loosen and the grass filaments are not easy to fall after the lawn is trampled for a long time.
The outdoor special artificial turf protective ground structure is characterized in that the EPDM hole sealing layer is arranged on the upper portion of the ETPU buffer layer, the EPDM hole sealing layer is formed by filling and sealing pores on the upper surface of the ETPU buffer layer after EPDM particles are mixed with single-component polyurethane glue to form the hole sealing layer, wherein the EPDM particles are ethylene propylene diene monomer particles, the particle size of the EPDM particles is 0.5-2 mm, and the content of the ethylene propylene diene monomer is 10-30%.
The purpose of EPDM hole sealing layer in the structural design is to increase the contact area of ETPU buffer layer and artificial turf surface layer and make the bonding of bonding layer more firm.
The outdoor special artificial turf protective ground structure is characterized in that the bonding layer is formed by coating or rolling single-component and double-component turf special environment-friendly bonding glue on the upper portion of the EPDM hole sealing layer in a scraping mode, and the bonding layer is bonded with the artificial turf surface layer after being solidified, and the thickness of the bonding layer is about 0.2 mm-2 mm.
The special artificial turf protective ground structure for the outdoor is characterized in that the artificial turf surface layer is specifically a straight and curved mixed high-density artificial turf, a high-density monofilament straight grass artificial turf or a high-density curved filament artificial turf, the height of the artificial turf surface layer is 10-50 mm, and the weaving density of grass filaments is 21000 needles per square meter to 63000 needles per square meter.
The higher the grass filaments of the lawn, the smaller the density, and in the specific implementation, the color of the artificial surface layer lawn grass filaments is mainly red and green, and can be customized according to requirements, the colors are rich and varied, and some of the artificial surface layer lawn grass filaments can be used for compiling colorful numbers, characters and cartoon patterns.
A construction method of an outdoor special artificial turf protective ground structure is based on the outdoor special artificial turf protective ground structure, and comprises the following specific steps:
1) and (3) processing the base layer:
the basic layer of the cement concrete needs to be flat, the surface has no sand-forming phenomenon, and if the sand-forming loosening condition exists, the cement concrete needs to be polished and repaired; the asphalt base layer must be hard, dry, load bearing, free of loose particles, free of oil, grease, paint or other substances that interfere with bonding;
2) setting a bottom coating:
the method comprises the steps of cleaning the area of a foundation layer to be constructed by using a blower before construction to ensure that the ground is dry and free of impurities, spraying or rolling and coating single-component polyurethane glue or double-component epoxy resin glue on the foundation layer, wherein the range of a laying surface is required to be completely sprayed in place, no leakage area is required, and a bottom coating adhered to the foundation layer is formed, wherein the using amount of the bottom coating per square meter is 0.15-0.3 kg, and the thickness of the bottom coating is 0.1-0.3 mm.
3) Setting an ETPU buffer layer:
the ETPU buffer layer is formed by mixing ETPU particles with single-component polyurethane glue and adhering the mixed single-component polyurethane glue to the upper part of a bottom coating in a flat spreading mode, wherein 1.3-1.5 kg of ETPU particles and 0.54-0.58 kg of single-component polyurethane glue are used per square meter in the step;
4) setting an EPDM hole sealing layer:
the EPDM hole sealing layer is formed by mixing EPDM particles with single-component polyurethane glue and then filling and sealing the holes on the upper surface of the ETPU buffer layer, wherein 1.2-1.5 kg of EPDM particles and 0.2-0.25 kg of single-component polyurethane glue are used per square meter in the step;
5) setting an adhesive layer and an artificial turf surface layer:
the bonding layer is coated on the upper portion of the EPDM hole sealing layer in a scraping mode or in a rolling mode through single-component and double-component environment-friendly bonding glue special for the lawn, then the artificial lawn surface layer is spread and paved within 10-30 minutes, the usage amount of the bonding glue per square meter in the step is 0.6-2.5 kilograms, the thickness of the bonding glue is 0.2-2 mm, the bonding and curing of the surface layer are required to be 12-24 hours, and construction is finished after the surface layer is completely bonded.
The outdoor special artificial turf protective ground structure and the construction method thereof have the following beneficial effects that:
1. according to the outdoor special artificial turf protective ground structure and the construction method, the designed whole structure has outstanding shock absorption and buffering characteristics, the impact absorption reaches more than 60%, the use safety is improved, and the sports injury of a user can be effectively reduced;
2. the outdoor special artificial turf protective ground structure and the construction method can ensure that the use of the field is not influenced by seasons and the use period of the field is long;
3. according to the outdoor special artificial turf protective ground structure and the construction method, the designed ETPU buffer layer provides effective shock absorption and buffering for the artificial turf layer, so that the root of the grass filaments is not easy to loosen and fall after the turf is trampled for a long time, the whole adopted materials are environment-friendly materials, the chemical property complete detection of a new national standard can be completely met, and the effects of no toxicity, safety and good durability are really achieved.
Drawings
FIG. 1 is a schematic structural diagram of a protective ground structure and a construction method of an outdoor special artificial turf of the invention;
fig. 2 is a detailed structural schematic view of an embodiment 3 of the outdoor special artificial turf protective floor structure and the construction method of the invention.
In the figure: 1-basic layer, 2-bottom layer, 3-ETPU buffer layer, 4-EPDM hole sealing layer, 5-adhesive layer and 6-artificial turf surface layer.
Detailed Description
The outdoor special artificial turf protective ground structure and the construction method thereof according to the present invention will be further described with reference to the accompanying drawings and embodiments.
As shown in fig. 1, an outdoor special artificial turf protective ground structure comprises a base layer 1, wherein the base layer is a concrete layer or an asphalt layer, a bottom coating layer 2, an ETPU buffer layer 3, an EPDM hole sealing layer 4, an adhesive layer 5 and an artificial turf surface layer 6 are sequentially arranged on the base layer from bottom to top in a structural order and are connected into a whole in an adhesive mode.
The bottom coating 2 is formed by spraying or rolling a single-component polyurethane glue or a double-component epoxy resin glue on the base layer 1 to be adhered with the base layer, and the thickness of the bottom coating is 0.1-0.3 mm.
The ETPU buffer layer 3 is formed by mixing ETPU particles formed by physically foaming thermoplastic polyurethane with single-component polyurethane glue and adhering the mixture on the upper part of the bottom coating in a flat spreading mode, and the thickness of the ETPU buffer layer is 5-30 mm.
The ETPU particles of the ETPU buffer layer 3 have the particle size of 2-8 mm and the shape of a circle or an ellipse, and the bulk density of the ETPU particles is 20kg/m3～200kg/m3。
The EPDM hole sealing layer 4 is arranged on the upper portion of the ETPU buffer layer 3, and the concrete structure of the EPDM hole sealing layer is that the EPDM hole sealing layer is formed by filling and sealing the holes on the upper surface of the ETPU buffer layer after EPDM particles are mixed with single-component polyurethane glue, wherein the EPDM particles are ethylene propylene diene monomer particles, the particle size of the ethylene propylene diene monomer particles is 0.5-2 mm, and the content of the ethylene propylene diene monomer particles is 10-30%.
The bonding layer 5 is specifically a bonding layer formed by coating or rolling single-component and double-component special environment-friendly bonding glue for the lawn on the upper part of the EPDM hole sealing layer 4 and bonding the bonding layer with the artificial lawn surface layer 6 after curing, and the thickness of the bonding layer is about 0.2 mm-2 mm.
The artificial turf surface layer 6 is specifically a straight and curved mixed weaving high-density artificial turf, a high-density monofilament straight grass artificial turf or a high-density curved filament artificial turf, the height of the artificial turf surface layer is 10-50 mm, and the weaving density of the grass filaments is 21000 needles per square meter to 63000 needles per square meter.
A construction method of an outdoor special artificial turf protective ground structure comprises the following specific steps:
1) and (3) processing the base layer:
the basic layer of the cement concrete needs to be flat, the surface has no sand-forming phenomenon, and if the sand-forming loosening condition exists, the cement concrete needs to be polished and repaired; the asphalt base layer must be hard, dry, load bearing, free of loose particles, free of oil, grease, paint or other substances that interfere with bonding;
2) setting a bottom coating:
the method comprises the steps of cleaning the area of a foundation layer to be constructed by using a blower before construction to ensure that the ground is dry and free of impurities, spraying or rolling and coating single-component polyurethane glue or double-component epoxy resin glue on the foundation layer, wherein the range of a laying surface is required to be completely sprayed in place, no leakage area is required, and a bottom coating adhered to the foundation layer is formed, wherein the using amount of the bottom coating per square meter is 0.15-0.3 kg, and the thickness of the bottom coating is 0.1-0.3 mm.
3) Setting an ETPU buffer layer:
the ETPU buffer layer is formed by mixing ETPU particles with single-component polyurethane glue and adhering the mixed single-component polyurethane glue to the upper part of a bottom coating in a flat spreading mode, wherein 1.3-1.5 kg of ETPU particles and 0.54-0.58 kg of single-component polyurethane glue are used per square meter in the step;
4) setting an EPDM hole sealing layer:
the EPDM hole sealing layer is formed by mixing EPDM particles with single-component polyurethane glue and then filling and sealing the holes on the upper surface of the ETPU buffer layer, wherein 1.2-1.5 kg of EPDM particles and 0.2-0.25 kg of single-component polyurethane glue are used per square meter in the step;
5) setting an adhesive layer and an artificial turf surface layer:
the bonding layer is coated on the upper portion of the EPDM hole sealing layer in a scraping mode or in a rolling mode through single-component and double-component environment-friendly bonding glue special for the lawn, then the artificial lawn surface layer is spread and paved within 10-30 minutes, the usage amount of the bonding glue per square meter in the step is 0.6-2.5 kilograms, the thickness of the bonding glue is 0.2-2 mm, the bonding and curing of the surface layer are required to be 12-24 hours, and construction is finished after the surface layer is completely bonded.
Example 1
1. Base layer treatment: the cement concrete foundation needs to be flat, the surface has no sand-forming phenomenon, and if the sand-forming loosening condition exists, the cement concrete foundation needs to be polished and repaired; the asphalt foundation must be hard, dry, load bearing, free of loose particles, free of oil, grease, paint or other substances that interfere with bonding;
2. in the embodiment, the bottom coating is formed by spraying or rolling two-component epoxy resin glue, the using amount of each square meter is about 0.2 kg, a blower is used for cleaning the area of a foundation layer to be constructed before construction, the ground is ensured to be dry and free of impurities, the whole spraying is required to be in place, no leakage area is required, and the ETPU buffer layer is paved after the epoxy bottom coating is completely cured;
3. the ETPU buffer layer is formed by paving single-component polyurethane glue mixed with thermoplastic polyurethane foamed ETPU particles, in the embodiment, the particle size of the ETPU particles is 5-6 mm, 1.4 kg of ETPU particles and 0.56 kg of single-component polyurethane glue are used per square meter of the buffer layer, and the thickness of the buffer layer is 10 mm;
4. in order to increase the contact area between the ETPU buffer layer and the artificial turf surface layer and enable the bonding to be firmer, before the artificial turf on the surface layer is bonded, single-component polyurethane glue and EPDM particles with small particle size (the particle size of the EPDM particles is 0.5-2 mm in the embodiment) are mixed with the single-component polyurethane glue, then the upper surface hole of the ETPU buffer layer is firstly sealed to form a hole sealing layer, and in the embodiment, 1.2 kilograms of EPDM particles and 0.2 kilograms of single-component polyurethane glue are used per square meter.
5. Before laying the artificial turf surface layer (20 mm high straight and curved mixed woven artificial turf in the implementation), the special double-component adhesive glue for the artificial turf is firstly and uniformly coated on the upper part of the EPDM (ethylene-propylene-diene monomer) hole sealing layer to form an adhesive layer, and then the turf is spread and laid within 30 minutes, wherein in the implementation, the using amount of the double-component glue for bonding each square meter of the turf is 1.8 kilograms, and the thickness is 1.5 mm. And completely curing within 12-24 hours to finish construction.
Example 2
1. Base layer treatment: the cement concrete foundation needs to be flat, the surface has no sand-forming phenomenon, and if the sand-forming loosening condition exists, the cement concrete foundation needs to be polished and repaired; the asphalt foundation must be hard, dry, load bearing, free of loose particles, free of oil, grease, paint or other substances that interfere with bonding;
2. in the embodiment, the bottom coating is formed by spraying or rolling single-component polyurethane glue, the using amount of each square meter is about 0.2 kg, a blower is used for cleaning a base layer area to be constructed before construction, the ground is ensured to be dry and free of impurities, all spraying is required to be in place, and a leakage area cannot be left, and the construction of the single-component polyurethane glue in the embodiment is completed within 1-2 hours before the buffer layer is paved, so that the surface of the bottom coating is dried, the particles of the buffer layer are paved before film forming is carried out, and the bonding strength of the buffer layer and the base layer is ensured to be better;
3. the ETPU buffer layer is formed by paving single-component polyurethane glue mixed with thermoplastic polyurethane foamed ETPU particles, in the embodiment, the particle size of the ETPU particles is 5-6 mm, 1.4 kg of ETPU particles and 0.56 kg of single-component polyurethane glue are used per square meter of the buffer layer, and the thickness of the buffer layer is 10 mm;
4. in order to increase the contact area between the ETPU buffer layer and the artificial turf surface layer and enable the bonding to be firmer, before the artificial turf on the surface layer is bonded, single-component polyurethane glue and EPDM particles with small particle size (the particle size of the EPDM particles is 0.5-2 mm in the embodiment) are mixed with the single-component polyurethane glue, then the upper surface hole of the ETPU buffer layer is firstly sealed to form a hole sealing layer, and in the embodiment, 1.2 kilograms of EPDM particles and 0.2 kilograms of single-component polyurethane glue are used per square meter;
5. before laying the artificial turf surface layer (in the embodiment, the artificial turf is woven by straight and curved mixed with the height of 20 mm), different from the embodiment 1, the embodiment adopts the special adhesive glue for the single-component artificial turf to be uniformly coated on the upper part of the EPDM hole sealing layer to form the adhesive layer, and then the turf is spread and laid within 30 minutes, in the embodiment, the using amount of the adhesive glue for the turf per square meter is 0.6 kilogram, the thickness is 0.5mm, and the adhesive glue is completely cured within 12-24 hours to complete the construction.
Example 3
For the movable area which is partially required to have softer foot feeling, the construction of the sealing layer in the above embodiment 1 and embodiment 2 can be saved, and the construction is carried out according to the following method:
1. base layer treatment: the cement concrete foundation needs to be flat, the surface has no sand-forming phenomenon, and if the sand-forming loosening condition exists, the cement concrete foundation needs to be polished and repaired; the asphalt foundation must be hard, dry, load bearing, free of loose particles, free of oil, grease, paint or other substances that interfere with bonding;
2. in the embodiment, the bottom coating is formed by spraying or rolling two-component epoxy resin glue, the using amount of each square meter is about 0.2 kg, a blower is used for cleaning the area of a foundation layer to be constructed before construction, the ground is ensured to be dry and free of impurities, the whole spraying is required to be in place, no leakage area is required, and the ETPU buffer layer is paved after the epoxy bottom coating is completely cured;
3. the ETPU buffer layer is formed by paving single-component polyurethane glue mixed with thermoplastic polyurethane foamed ETPU particles, in the embodiment, the particle size of the ETPU particles is 5-6 mm, 1.4 kg of ETPU particles and 0.56 kg of single-component polyurethane glue are used per square meter of the buffer layer, and the thickness of the buffer layer is 10 mm;
4. before laying the artificial turf surface layer (in this embodiment, 20mm high straight and curved mixed woven artificial turf), the single-component artificial turf special-purpose adhesive glue is uniformly brushed on the upper part of the ETPU buffer layer to form the adhesive layer, then the turf is spread and laid within 30 minutes, in this embodiment, the amount of the lawn adhesive glue used per square meter is 0.6 kg, and the thickness is 0.5 mm. And completely curing within 12-24 hours to finish construction.
According to the outdoor special artificial turf protective ground structure and the construction method, the designed whole structure has outstanding shock absorption and buffering characteristics, the impact absorption reaches more than 60%, the use safety is improved, and the sports injury of a user can be effectively reduced; the invention can ensure that the use of the field is not influenced by seasons, and the use period of the field is long; according to the invention, after the lawn is treaded for a long time, the root of the grass filament is not easy to loosen and drop, and the whole adopted materials are environment-friendly materials, so that the full-term chemical property detection of a new national standard can be completely met, and the lawn is really nontoxic, safe and excellent in durability.
The outdoor special artificial turf protective ground structure and the construction method are suitable for various outdoor sport places.
Claims (8)
1. The utility model provides an outdoor special artificial turf protection ground structure, includes basic unit (1), its characterized in that:
the base layer (1) is a cement concrete layer or an asphalt layer, a bottom coating (2), an ETPU buffer layer (3), an EPDM hole sealing layer (4), an adhesive layer (5) and an artificial turf surface layer (6) are sequentially arranged on the base layer from bottom to top, and are connected into a whole in an adhesive mode.
2. An outdoor dedicated artificial turf protective flooring structure according to claim 1, wherein said primer layer (2) is formed by spraying or rolling a one-component polyurethane glue or a two-component epoxy glue on the base layer (1) to be adhered to the base layer, and the thickness of the primer layer is 0.1mm to 0.3 mm.
3. An outdoor dedicated artificial turf protected ground structure as defined in claim 1, wherein said ETPU cushioning layer (3) is made of ETPU particles physically foamed by thermoplastic polyurethane mixed with one-component polyurethane glue and adhered on the upper portion of the ground coating layer in a flat spread form, and the ETPU cushioning layer has a thickness of 5mm to 30 mm.
4. An outdoor unit as claimed in claim 3The artificial lawn protective ground structure is characterized in that the particle size of ETPU particles of the ETPU buffer layer (3) is 2-8 mm, the shape is round or oval, and the stacking density of the ETPU particles is 20kg/m3～200kg/m3。
5. An outdoor special artificial turf protective floor structure as defined in claim 1, wherein the EPDM sealing layer (4) is disposed on the top of the ETPU cushioning layer (3), and the EPDM sealing layer is formed by mixing EPDM particles with one-component polyurethane glue to fill and seal the pores on the top surface of the ETPU cushioning layer, wherein the EPDM particles are ethylene propylene diene monomer particles with a particle size of 0.5mm to 2mm and an ethylene propylene diene monomer content of 10% to 30%.
6. The outdoor special artificial turf protective floor structure according to claim 1, wherein the adhesive layer (5) is formed by coating or rolling a single-component or two-component turf special environment-friendly adhesive glue on the upper portion of the EPDM hole sealing layer (4) in a knife coating manner, and forming the adhesive layer adhered to the artificial turf surface layer (6) after curing, and the thickness of the adhesive layer is about 0.2mm to 2 mm.
7. An outdoor special artificial turf protective floor structure as claimed in claim 1, wherein said artificial turf surface layer (6) is a highly-dense artificial turf mixed by straight and curved weaving, a highly-dense monofilament straight grass artificial turf or a highly-dense curved filament artificial turf, the height of the artificial turf surface layer is 10mm to 50mm, and the weaving density of the grass filaments is 21000 needles per square meter to 63000 needles per square meter.
8. A construction method of an outdoor special artificial turf protective floor structure based on any one of the above claims, comprising the following specific steps:
1) treating the base layer (1):
the basic layer of the cement concrete needs to be flat, the surface has no sand-forming phenomenon, and if the sand-forming loosening condition exists, the cement concrete needs to be polished and repaired; the asphalt base layer must be hard, dry, load bearing, free of loose particles, free of oil, grease, paint or other substances that interfere with bonding;
2) providing an undercoat layer (2):
the method comprises the steps of cleaning the area of a foundation layer to be constructed by using a blower before construction to ensure that the ground is dry and free of impurities, spraying or rolling the single-component polyurethane glue or the double-component epoxy resin glue on the foundation layer (1), wherein the range of a laying surface is required to be completely sprayed in place, no leakage area is required, and a bottom coating adhered to the foundation layer is formed, wherein the using amount of the bottom coating per square meter is 0.15-0.3 kg, and the thickness of the bottom coating is 0.1-0.3 mm.
3) Setting an ETPU buffer layer (3):
the ETPU buffer layer is formed by mixing ETPU particles with single-component polyurethane glue and adhering the mixed single-component polyurethane glue to the upper part of a bottom coating in a flat spreading mode, wherein 1.3-1.5 kg of ETPU particles and 0.54-0.58 kg of single-component polyurethane glue are used per square meter in the step;
4) setting an EPDM sealing layer (4):
the EPDM hole sealing layer is formed by mixing EPDM particles with single-component polyurethane glue and then filling and sealing the holes on the upper surface of the ETPU buffer layer, wherein 1.2-1.5 kg of EPDM particles and 0.2-0.25 kg of single-component polyurethane glue are used per square meter in the step;
5) arranging an adhesive layer (5) and an artificial turf surface layer (6):
the bonding layer is evenly coated or roller coated on the upper part of an EPDM (ethylene-propylene-diene monomer) hole sealing layer (4) by adopting single-component and double-component environment-friendly bonding glue special for the lawn, then the artificial lawn surface layer is spread and paved within 10-30 minutes, the using amount of the bonding glue per square meter in the step is 0.6-2.5 kilograms, the thickness is 0.2-2 mm, the bonding and curing of the surface layer are required for 12-24 hours, and the construction is finished after the surface layer is completely bonded.
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| CN201910874218.2A CN112523032A (en) | 2019-09-17 | 2019-09-17 | Outdoor special artificial turf protective ground structure and construction method |
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| CN201910874218.2A CN112523032A (en) | 2019-09-17 | 2019-09-17 | Outdoor special artificial turf protective ground structure and construction method |
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Application publication date: 20210319 |