CN211006227U - Outdoor special artificial turf protection ground structure - Google Patents

Outdoor special artificial turf protection ground structure Download PDF

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Publication number
CN211006227U
CN211006227U CN201921538475.0U CN201921538475U CN211006227U CN 211006227 U CN211006227 U CN 211006227U CN 201921538475 U CN201921538475 U CN 201921538475U CN 211006227 U CN211006227 U CN 211006227U
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layer
artificial turf
etpu
epdm
particles
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窦万强
周夏辉
倪广真
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Dbc New Material Technology Shanghai Co ltd
Dbc Group Co ltd
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Dbc New Material Technology Shanghai Co ltd
Dbc Group Co ltd
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Abstract

The utility model provides an outdoor special artificial turf protects ground structure, includes the basic unit on cement concrete layer or pitch layer, is provided with under coat, ETPU buffer layer, EPDM hole sealing layer, adhesive linkage and artificial turf surface course with structure order from bottom to top on this basic unit, connects into an organic whole through the mode that bonds. The damping and buffering characteristics of the whole structure designed by the utility model are outstanding, the impact absorption reaches more than 60%, the use safety is improved, and the movement injury of a user can be effectively reduced; the utility model can ensure that the use of the field is not affected by seasons, and the service life of the field is long; the utility model discloses make the lawn trampled the back for a long time, the grass silk root is difficult to not hard up, is difficult to fall the grass silk, and the whole material that adopts is environmental protection material, can satisfy new national standard's chemical properties complete item completely and detect, really accomplish nontoxic, safe and the incorruptibility is good.

Description

Outdoor special artificial turf protection ground structure
Technical Field
The utility model relates to a building ground structure especially relates to an artificial turf protection ground structure who is applied to outdoor ground.
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.
SUMMERY OF THE UTILITY MODEL
In conclusion, in order to solve various problems of the artificial turf structure under the prior art, the utility model provides an outdoor special artificial turf protective ground structure can satisfy the requirements of kindergarten, children's playground to artificial turf field sports through redesign's protective ground structure, can satisfy the requirement to ground structure impact absorption performance when various sports again, can protect the infant not hurt when various sports well.
The utility model discloses an outdoor special artificial turf protection ground structure, its concrete structure is 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.
According to the utility model discloses an outdoor special artificial turf protection ground structure, a serial communication port, its specifically for adopting single component polyurethane glue or two ingredient epoxy glue spraying or roll-coating on the foundation layer of under coat, form the under coat that bonds with the foundation layer, the thickness of this under coat is 0.1mm ~ 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.
According to the utility model discloses an outdoor special artificial turf protects ground structure, a serial communication port, the ETPU buffer layer mix the form adhesive that single component polyurethane glue was glued with the flat pavement by the ETPU granule upper portion on the under coat, the thickness of this ETPU buffer layer is 5mm ~ 30 mm.
The ETPU particles are formed by physically foaming thermoplastic polyurethane.
According to the utility model discloses an outdoor special artificial turf protects ground structure, a serial communication port, the ETPU granule of ETPU buffer layer (3) particle size be 2mm ~ 8mm, the shape is circular or oval, the bulk density of this ETPU granule 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.
According to the utility model discloses an outdoor special artificial turf protects ground structure, a serial communication port, EPDM sealed layer sets up on the upper portion of ETPU buffer layer, and its concrete structure does, and EPDM sealed layer fills up the shutoff with the hole of the upper surface of ETPU buffer layer after mixing single component polyurethane glue by the EPDM granule, forms sealed layer, and wherein, the particle diameter of EPDM granule is 0.5mm ~ 2 mm.
The EPDM particles are specifically ethylene propylene diene monomer particles, wherein 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.
According to the utility model discloses an outdoor special artificial turf protection ground structure, a serial communication port, its the bonding layer specifically be in the upper portion knife coating of EPDM hole-sealing layer or roll coating single, the special environmental protection in two ingredient lawns bonding glue, form the bonding layer that bonds with the artificial turf surface course after the solidification, about 0.2mm ~ 2mm of its thickness.
According to the utility model discloses a special artificial turf protection ground structure outdoors, a serial communication port, its concrete artificial turf who weaves high density artificial turf, the straight grass of high density monofilament or the artificial turf of high density bent silk for straight song of artificial turf surface course, this artificial turf surface course highly be 10mm ~ 50mm, the density of weaving of grass silk is 21000 pins/square meter ~ 63000 pins/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.
Use the utility model discloses an outdoor special artificial turf protective floor structure has obtained following beneficial effect:
1. the utility model discloses a special artificial turf protective ground structure for outdoor use, the whole structure of its design has outstanding shock absorption and buffering characteristics, the impact absorption reaches more than 60%, the safety of use is improved, and the sports injury of users can be effectively reduced;
2. the utility model discloses a special outdoor artificial turf ground protective structure, which can ensure that the use of the field is not influenced by seasons and the service cycle of the field is long;
3. the utility model discloses an outdoor special artificial turf protects ground structure, the ETPU buffer layer of its design provides effectual shock attenuation and buffering for the artificial turf layer, makes the lawn trampled the back for a long time, and the grass silk root is difficult to not hard up, is difficult to fall the grass silk, and the material that just whole adopted is environmental protection material, can satisfy the whole item of chemical properties of new national standard completely and detect, really accomplish nontoxic, safe and the incorruptibility is good.
Drawings
Fig. 1 is a detailed structural schematic view of an outdoor special artificial turf protective ground structure of the utility model;
fig. 2 is a schematic structural diagram of an embodiment 3 of the ground protection structure of an outdoor special artificial turf of the present 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 following describes a special artificial lawn protective floor structure for outdoor use 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 bonding an ETPU particle mixed single-component polyurethane glue 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 particle size of ETPU particles of the ETPU buffer layer 3 is 2-8 mm, and the shape is round or ovalRound, the ETPU particles having a bulk density of 20kg/m3~200kg/m3
The EPDM hole sealing layer 4 is arranged on the upper portion of the ETPU buffer layer 3, the concrete structure of the EPDM hole sealing layer is that the EPDM hole sealing layer is formed by filling and sealing the pores on the upper surface of the ETPU buffer layer after EPDM particles are mixed with single-component polyurethane glue, wherein the particle size of the EPDM particles is 0.5-2 mm.
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.
The utility model discloses an outdoor special artificial turf protection ground structure, its concrete implementation is as follows:
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.
The utility model discloses a special artificial turf protective ground structure for outdoor use, the whole structure of its design has outstanding shock absorption and buffering characteristics, the impact absorption reaches more than 60%, the safety of use is improved, and the sports injury of users can be effectively reduced; the utility model can ensure that the use of the field is not affected by seasons, and the service life of the field is long; the utility model discloses make the lawn trampled the back for a long time, the grass silk root is difficult to not hard up, is difficult to fall the grass silk, and the whole material that adopts is environmental protection material, can satisfy new national standard's chemical properties complete item completely and detect, really accomplish nontoxic, safe and the incorruptibility is good.
The utility model discloses an outdoor special artificial turf protection ground structure is applicable to various outdoor sport places.

Claims (7)

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 protective floor structure according to claim 1, characterized in that said ETPU cushioning layer (3) is made of ETPU particles mixed with a one-component polyurethane glue to be adhered on the upper part of the ground coating layer in a flat spread manner, and the ETPU cushioning layer has a thickness of 5mm to 30 mm.
4. An outdoor dedicated artificial turf protective floor structure according to claim 3, characterized in that said ETPU cushioning layer (3) has ETPU particles with a particle size of 2mm to 8mm and a circular or oval shape, and the ETPU particles have a bulk density of 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 structure of the EPDM sealing layer is formed by mixing EPDM particles with single-component polyurethane glue and then filling and sealing the pores on the top surface of the ETPU cushioning layer, wherein the particle size of the EPDM particles is 0.5mm to 2 mm.
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.
CN201921538475.0U 2019-09-17 2019-09-17 Outdoor special artificial turf protection ground structure Active CN211006227U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112523032A (en) * 2019-09-17 2021-03-19 都佰城集团有限公司 Outdoor special artificial turf protective ground structure and construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112523032A (en) * 2019-09-17 2021-03-19 都佰城集团有限公司 Outdoor special artificial turf protective ground structure and construction method

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