CN111335110B - Plastic course and preparation method thereof - Google Patents
Plastic course and preparation method thereof Download PDFInfo
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- CN111335110B CN111335110B CN201911296175.0A CN201911296175A CN111335110B CN 111335110 B CN111335110 B CN 111335110B CN 201911296175 A CN201911296175 A CN 201911296175A CN 111335110 B CN111335110 B CN 111335110B
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- 239000004033 plastic Substances 0.000 title claims abstract description 243
- 229920003023 plastic Polymers 0.000 title claims abstract description 243
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 239000010410 layer Substances 0.000 claims abstract description 114
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000002344 surface layer Substances 0.000 claims abstract description 48
- 239000012790 adhesive layer Substances 0.000 claims abstract description 29
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 40
- 239000010959 steel Substances 0.000 claims description 40
- 239000000758 substrate Substances 0.000 claims description 36
- 239000002994 raw material Substances 0.000 claims description 35
- 229920005862 polyol Polymers 0.000 claims description 21
- 150000003077 polyols Chemical class 0.000 claims description 21
- 239000000945 filler Substances 0.000 claims description 19
- 239000004575 stone Substances 0.000 claims description 18
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 16
- 229920000570 polyether Polymers 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 13
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 12
- 239000004568 cement Substances 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 239000004014 plasticizer Substances 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 239000002699 waste material Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- 229920002943 EPDM rubber Polymers 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 239000004743 Polypropylene Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- -1 polypropylene Polymers 0.000 claims description 9
- 229920001155 polypropylene Polymers 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000012783 reinforcing fiber Substances 0.000 claims description 8
- 235000010469 Glycine max Nutrition 0.000 claims description 6
- 244000068988 Glycine max Species 0.000 claims description 6
- 235000021355 Stearic acid Nutrition 0.000 claims description 6
- 230000003712 anti-aging effect Effects 0.000 claims description 6
- 229960000892 attapulgite Drugs 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 6
- 239000004927 clay Substances 0.000 claims description 6
- 238000005553 drilling Methods 0.000 claims description 6
- 230000008595 infiltration Effects 0.000 claims description 6
- 238000001764 infiltration Methods 0.000 claims description 6
- 239000012948 isocyanate Substances 0.000 claims description 6
- 150000002513 isocyanates Chemical class 0.000 claims description 6
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 6
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 6
- 229910052625 palygorskite Inorganic materials 0.000 claims description 6
- 235000011837 pasties Nutrition 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000008117 stearic acid Substances 0.000 claims description 6
- 229910052882 wollastonite Inorganic materials 0.000 claims description 6
- 239000010456 wollastonite Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims 1
- 238000003491 array Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 12
- 239000000853 adhesive Substances 0.000 abstract description 7
- 230000001070 adhesive effect Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 229920001730 Moisture cure polyurethane Polymers 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000037147 athletic performance Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010920 waste tyre Substances 0.000 description 1
Classifications
-
- 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
- E01C13/06—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L19/00—Compositions of rubbers not provided for in groups C08L7/00 - C08L17/00
- C08L19/003—Precrosslinked rubber; Scrap rubber; Used vulcanised rubber
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/08—Polyurethanes from polyethers
-
- 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
- E01C11/00—Details of pavings
- E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
-
- 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
- E01C13/06—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003
- E01C13/065—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003 at least one in situ layer consisting of or including bitumen, rubber or plastics
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention provides a plastic track and a preparation method thereof. By utilizing the separation preventing mechanism, the adhesive force between the anti-skid surface layer of the plastic track and the adhesive layer of the plastic track is fully ensured, the friction force generated by the intense movement of people or large mechanical operation is fully prevented, the water seepage and drainage device also can timely drain accumulated water, the hardness of the buffer layer of the plastic track and the bottom layer of the plastic track is prevented from conforming to the supporting hardness, and the service life of the plastic track is prolonged.
Description
Technical Field
The invention relates to the technical field of plastic tracks, in particular to a plastic track and a preparation method thereof.
Background
The plastic track is also called all-weather track and field sports track, and is formed from polyurethane prepolymer, mixed polyether, waste tyre rubber, EPDM rubber granules or PU granules, pigment, adjuvant and filler. The plastic track has the characteristics of good flatness, high compressive strength, proper hardness and elasticity and stable physical properties, is beneficial to the exertion of athlete speed and technology, effectively improves the athletic performance and reduces the injury rate. The plastic track is made of polyurethane rubber and other materials, has certain elasticity and color, has certain ultraviolet resistance and aging resistance, and is an internationally recognized optimal all-weather outdoor sports ground floor material.
However, the existing plastic racetrack design has a number of inconveniences: firstly, the adhesive degree of the plastic track is insufficient, and although the friction force generated by the movement of people is insufficient to enable the surface layer of the plastic track to move and be misplaced, large machines are often required for maintenance of lawns or other operations in a playground, at the moment, the misplacement of the surface layer and the bottom layer of the plastic track is easy to occur, and the peeling phenomenon of the surface layer of the plastic track is further generated; secondly, the reason that life of present plastic course is generally than design life is lower is mainly the problem of moisture degree, because the plastic course exposes in external environment throughout the year, when meetting overcast and rainy season, infiltration accumulates in the bottom, and the soil property hardness of bottom changes, and then makes the surface course crooked unevenness, reduces plastic course's life.
Therefore, a plastic track and a preparation method thereof are provided.
Disclosure of Invention
In order to solve the above problems, according to an aspect of the present invention, the present invention provides a plastic track, and the technical problems of the present invention are solved by the following technical solutions: the plastic track comprises an anti-slip surface layer of the plastic track, an adhesive layer of the plastic track, a buffer layer of the plastic track and a bottom layer of the plastic track, wherein an anti-separation mechanism for tightly adhering is arranged between the anti-slip surface layer of the plastic track and the adhesive layer of the plastic track, a gully groove body matched with each other is arranged between the buffer layer of the plastic track and the bottom layer of the plastic track, and a waterproof layer is arranged between the buffer layer of the plastic track and the bottom layer of the plastic track; the plastic track also comprises a water seepage and drainage device.
Through the technical scheme, the anti-separation mechanism is utilized, the adhesive force between the anti-slip surface layer of the plastic track and the adhesive layer of the plastic track is fully ensured, the friction force generated by the intense movement of people or large-scale mechanical operation is fully prevented, the anti-slip surface layer of the plastic track is firmly combined with the adhesive layer of the plastic track, the contact area between the buffer layer of the plastic track and the bottom layer of the plastic track is increased due to the arrangement of the gully groove body, the buffer layer of the plastic track and the bottom layer of the plastic track can be stably combined, and the transverse offset influence caused by the transverse friction force is further reduced; the water seepage and drainage device can drain accumulated water in time, so that the hardness of the buffer layer of the plastic track and the bottom layer of the plastic track is prevented from conforming to the supporting hardness, and the service life of the plastic track is prolonged.
As a further explanation of the plastic track according to the present invention, it is preferable that the separation preventing means comprises an upper filament steel mesh, a connecting tie bar and a lower filament steel mesh, wherein the upper filament steel mesh is bonded with the plastic track surface layer, the lower filament steel mesh is bonded with the plastic track adhesive layer, and the connecting tie bar connects the upper filament steel mesh and the lower filament steel mesh.
Through foretell technical scheme, utilize the connection lacing wire of metal material to let go up filament steel mesh and be connected with filament steel mesh down, go up filament steel mesh and filament steel mesh down simultaneously and melt respectively inlay in plastic course surface course and plastic course adhesive layer, increased plastic course surface course and plastic course adhesive layer gluing power, avoid plastic course surface course skinning, improve plastic course surface course's life.
As a further explanation of the plastic runway according to the present invention, preferably, the water seepage and drainage device includes a plurality of arc-shaped support pipes in an array, a waterproof layer is bonded on the upper sides of the plurality of arc-shaped support pipes, a plurality of water seepage through holes are formed in the waterproof layer, the water seepage through holes are respectively disposed between two adjacent arc-shaped support pipes, the plurality of arc-shaped support pipes and the water seepage through holes are connected with a plurality of drainage pipes, the drainage pipes are located below the arc-shaped support pipes and the water seepage through holes, drainage channels are connected with the drainage pipes, and the drainage channels are located on two sides of the plastic runway.
According to the technical scheme, the waterproof layer is positioned on the upper side of the buffer layer of the plastic track, so that water penetrating from top to bottom is accumulated on the waterproof layer, and due to the arrangement of the bent arc-shaped supporting pipelines, the water is accumulated in the water penetration through holes and is discharged into the drainage canal through the drainage pipeline to be discharged out of the plastic track; the hardness of the buffer layer of the plastic track and the bottom layer of the plastic track is prevented from conforming to the supporting hardness, and the service life of the plastic track is prolonged.
According to another aspect of the invention, the invention provides a method for preparing a plastic track, comprising the following steps:
s1, excavating a substrate
(1) Measuring and paying off, and roughly digging by adopting a model excavator to form a runway substrate;
(2) Compacting the substrate, sealing the bottom and repairing the bottom surface of the substrate by adopting a 20-28 ton road roller; manually compacting the side surface of the substrate to form a gradient of 5% -8%, detecting the compactness of the substrate by using a pit digging and sand filling method, and detecting the flatness of the substrate by using a feeler gauge measuring method;
(2) Cleaning a substrate, supplementing water and keeping alive;
s2, paving a plastic track bottom layer:
(1) Using a concrete mixer to transport and lay raw materials of the plastic track bottom layer, and using a paver to pave the raw materials, wherein the thickness of the raw materials is 5cm-10 cm;
(2) Forming uneven gully groove bodies by utilizing steel bars before the bottom layer of the plastic track is solidified;
(3) Maintaining the bottom layer of the plastic track for more than 7 days;
(4) Testing the strength of the bottom layer of the plastic track by using a Brinell hardness tester;
s3, paving a plastic track buffer layer:
(1) Preparing raw materials of a buffer layer of the plastic track:
the buffer layer of the plastic track comprises the following components: the environment-friendly plastic comprises the following raw materials in parts by weight: 35-45 parts of waste plastic raw materials, 25-35 parts of polypropylene, 20-30 parts of polyether polyol, 15-25 parts of filler, 15-25 parts of cement stone powder, 5-10 parts of pasty attapulgite clay, 12-16 parts of environment-friendly plasticizer, 1-2 parts of anti-aging agent and 1-2 parts of stabilizer;
(2) Respectively preparing the raw materials of each component in urban areas according to the proportion;
(3) Mixing and stirring waste plastic raw materials, polypropylene, polyether polyol, filler and cement stone powder for 1-2h, heating to 140-160 ℃, and melting at a stirring speed of 100-200 r/min to obtain a mixture A;
(4) Adding the mixture A into pasty attapulgite clay, an environment-friendly plasticizer, an anti-aging agent and a stabilizer, uniformly mixing to obtain a mixture B, and paving the mixture B above the bottom layer of the plastic track;
(5) Setting a water seepage and drainage device; rapidly placing a plurality of arc-shaped support pipelines and drainage pipelines, paving a waterproof layer on the plurality of arc-shaped support pipelines, and drilling the concave positions formed among the plurality of arc-shaped support pipelines by using a drilling machine to form water seepage through holes;
(6) Digging two sides of the plastic track by using 8-12 ton diggers to form a drainage channel, opening the drainage channel and the drainage pipeline, and opening the bottom wall of the drainage channel to be 20-25 cm lower than the water outlet of the drainage pipeline;
s4, paving a plastic track adhesive layer:
(1) Prefabricating a separation preventing mechanism: the upper side of the lower filament steel mesh is welded with the lower ends of a plurality of connecting lacing wires made of connecting metal materials;
(2) Paving a plastic track buffer layer in a molten state;
s5, paving an anti-slip surface layer of the plastic track:
(1) The method comprises the steps of preparing raw materials of an anti-slip surface layer of a plastic track in advance: the anti-slip surface layer of the plastic track comprises the following components: rubber tire particles, isocyanate, polyether polyol, filler, stearic acid, soybean polyol, curing agent, environment-friendly plasticizer, reinforcing fiber and ethylene propylene diene monomer rubber; the components of the raw materials are as follows in parts by weight: 25-45 parts of rubber tire particles, 15-25 parts of isocyanate, 25-40 parts of polyether polyol, 15-35 parts of filler, 6-15 parts of stearic acid, 10-20 parts of soybean polyol, 1-2 parts of curing agent, 15-25 parts of environment-friendly plasticizer, 8-10 parts of reinforcing fiber and 25-35 parts of ethylene propylene diene monomer rubber;
(2) Stirring, melting and mixing the raw materials, wherein the rotation speed of a stirrer is 300r/min-400r/min, and the temperature is 100-120 ℃;
(3) Detecting the hardness of the adhesive layer of the plastic track, welding a filament steel mesh on the upper end of the connecting lacing wire, and paving a pre-configured anti-skid surface layer of the plastic track.
According to the technical scheme, the side surface of the substrate forms a gradient of 5% -8%, the unique trapezoid cross section substrate is utilized to enable the cross section of the substrate to generate prestress, seamless filling of the bottom layer of the plastic track and the substrate is guaranteed, and compactness is fully guaranteed; the waste plastic raw materials are added into the plastic track buffer layer, so that the cost is reduced, and the rigidity of the plastic track buffer layer is also met; meanwhile, the cement stone powder is added, so that the rigidity of the buffer layer of the plastic track is further improved, and the stability of an upper structure is ensured; mixing and stirring waste plastic raw materials, polypropylene, polyether polyol, filler and cement stone powder for 1-2 hours, and heating to 140-160 ℃, wherein the heating temperature is high enough, so that the melting time of a buffer layer of a plastic track is guaranteed sufficiently, and the water seepage and drainage device is convenient to install; the bottom wall of the drainage channel is opened and is 20-25 cm lower than the water outlet of the drainage pipeline; the height of 20-25 cm is set, so that water seepage can be completely and timely removed; rubber tire particles and ethylene propylene diene monomer rubber are added into the anti-slip surface layer of the plastic track, so that the hardness of the anti-slip surface layer of the plastic track is not too hard, and meanwhile, the friction force of the surface of the plastic track is increased, and the anti-slip surface layer is suitable for track and field events.
As a further illustration of the plastic track of the present invention, the filler preferably includes calcium carbonate, wollastonite, and stones.
According to the technical scheme, materials such as calcium carbonate, wollastonite and stones are used, so that hardness is guaranteed, and cost is reduced.
As a further illustration of the plastic course according to the invention, the reinforcing fibres are preferably stainless steel wires.
By the technical scheme, the stainless steel wire does not rust when meeting water, and the service life of the plastic track is prolonged.
Compared with the prior art, the invention has the following beneficial effects:
1. the anti-separation mechanism is utilized to fully ensure the adhesive force between the anti-skid surface layer of the plastic track and the adhesive layer of the plastic track, fully prevent the friction force generated by the intense movement of people or large mechanical operation, ensure that the anti-skid surface layer of the plastic track is firmly combined with the adhesive layer of the plastic track, ensure that the contact area between the buffer layer of the plastic track and the bottom layer of the plastic track is increased by the arrangement of the gully groove body, ensure that the buffer layer of the plastic track and the bottom layer of the plastic track can be stably combined, and further reduce the transverse offset influence caused by transverse friction force; the water seepage and drainage device can drain accumulated water in time, so that the hardness of the buffer layer of the plastic track and the bottom layer of the plastic track is prevented from conforming to the supporting hardness, and the service life of the plastic track is prolonged.
2. The upper filament steel mesh and the lower filament steel mesh are connected by utilizing the connecting lacing wires made of metal materials, and simultaneously, the upper filament steel mesh and the lower filament steel mesh are respectively fused and embedded in the plastic track surface layer and the plastic track adhesive layer, so that the adhesive force of the plastic track surface layer and the plastic track adhesive layer is increased, the peeling of the plastic track surface layer is avoided, and the service life of the plastic track surface layer is prolonged.
3. The waterproof layer is positioned on the upper side of the buffer layer of the plastic track, so that water penetrating from top to bottom is accumulated on the waterproof layer, and due to the arrangement of the bent arc-shaped supporting pipelines, the water is accumulated in the water penetration through holes and is discharged into the drainage canal through the drainage pipeline to be discharged out of the plastic track; the hardness of the buffer layer of the plastic track and the bottom layer of the plastic track is prevented from conforming to the supporting hardness, and the service life of the plastic track is prolonged.
4. The side surface of the substrate is formed into a gradient of 5% -8%, the unique trapezoid cross section substrate is utilized to enable the cross section of the substrate to generate prestress, the seamless filling of the bottom layer of the plastic track and the substrate is ensured, and the compactness is fully ensured; the waste plastic raw materials are added into the plastic track buffer layer, so that the cost is reduced, and the rigidity of the plastic track buffer layer is also met; meanwhile, the cement stone powder is added, so that the rigidity of the buffer layer of the plastic track is further improved, and the stability of an upper structure is ensured; mixing and stirring waste plastic raw materials, polypropylene, polyether polyol, filler and cement stone powder for 1-2 hours, heating to 140-160 ℃, wherein the heating temperature is high enough, thereby being beneficial to fully ensuring the melting time of a buffer layer (of a plastic track, further facilitating the installation of a water seepage and drainage device, opening the bottom wall of a drainage channel to be 20-25 cm lower than the water outlet of the drainage channel, setting the height of 20-25 cm, fully and timely removing water seepage, adding rubber tire particles and ethylene propylene diene monomer rubber into an anti-skid surface layer of the plastic track, ensuring the hardness of the anti-skid surface layer of the plastic track not to be too hard, and increasing the friction force on the surface of the plastic track, thereby being suitable for track and field events.
The materials such as calcium carbonate, wollastonite and stones are used, so that the hardness is ensured, and the cost is reduced. The stainless steel wire does not rust when meeting water, and the service life of the plastic track is prolonged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a gully tank according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of an anti-separation mechanism according to an embodiment of the present invention;
fig. 4 is a schematic top view of a water seepage and drainage device according to an embodiment of the present invention;
FIG. 5 is a flowchart of a method for manufacturing a plastic track according to an embodiment of the present invention.
In the figure: the anti-skid plastic track comprises an anti-skid surface layer 1, an adhesive layer 2 of the plastic track, a buffer layer 3 of the plastic track, a bottom layer 4 of the plastic track, an anti-separation mechanism 5, a gully groove body 6, a waterproof layer 7 and a water seepage and drainage device 8; an upper filament steel mesh 51, a lower filament steel mesh 52, and connecting tie bars 53; an arc-shaped support pipe 81, a water seepage through hole 82, a drainage pipe 83 and a drainage canal 84.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate the present invention and should not be construed as limiting the invention.
The invention provides a plastic track, referring to fig. 1, the plastic track comprises a plastic track anti-slip surface layer 1, a plastic track adhesive layer 2, a plastic track buffer layer 3 and a plastic track bottom layer 4, an anti-separation mechanism 5 for bonding compaction is arranged between the plastic track anti-slip surface layer 1 and the plastic track adhesive layer 2, a gully groove body 6 matched with each other is arranged between the plastic track buffer layer 3 and the plastic track bottom layer 4, and a waterproof layer 7 is arranged between the plastic track buffer layer and the plastic track bottom layer; the plastic track also comprises a water seepage and drainage device 8; the anti-separation mechanism 5 is utilized to fully ensure the adhesive force between the anti-slip surface layer 1 of the plastic track and the adhesive layer 2 of the plastic track, and fully prevent the friction force generated by the intense movement of people or large-scale mechanical operation, so that the anti-slip surface layer 1 of the plastic track is firmly combined with the adhesive layer 2 of the plastic track.
As shown in FIG. 2, the arrangement of the gully groove body 6 increases the contact area between the plastic track buffer layer 3 and the plastic track bottom layer 4, and also enables the plastic track buffer layer 3 and the plastic track bottom layer 4 to be stably combined, thereby further reducing the influence of lateral offset caused by lateral friction force; the water seepage and drainage device 8 also can drain accumulated water in time, so that the hardness of the plastic track buffer layer 3 and the plastic track bottom layer 4 is prevented from conforming to the supporting hardness, and the service life of the plastic track is prolonged.
As shown in fig. 3, as an embodiment of the present invention, the separation preventing mechanism 5 includes an upper filament steel mesh 51, a connecting tie bar 53 and a lower filament steel mesh 52, wherein the upper filament steel mesh 51 is bonded with the plastic runway surface layer 1, the lower filament steel mesh 52 is bonded with the plastic runway adhesive layer 2, and the connecting tie bar 53 connects the upper filament steel mesh 51 and the lower filament steel mesh 52; the upper filament steel mesh 51 and the lower filament steel mesh 52 are connected by the connecting lacing wires 53 made of metal, and meanwhile, the upper filament steel mesh 51 and the lower filament steel mesh 52 are respectively embedded in the plastic runway surface layer 1 and the plastic runway adhesive layer 2 in a melting mode, so that the adhesive force of the plastic runway surface layer 1 and the plastic runway adhesive layer 2 is increased, peeling of the plastic runway surface layer 1 is avoided, and the service life of the plastic runway surface layer 1 is prolonged.
As shown in fig. 4, as an embodiment of the present invention, the water seepage and drainage device 8 includes a plurality of arc-shaped support pipes 81 in an array, a waterproof layer 7 is adhered to the upper sides of the plurality of arc-shaped support pipes 81, a plurality of water seepage through holes 82 are formed in the waterproof layer 7, the water seepage through holes 82 are respectively disposed between two adjacent arc-shaped support pipes 81, a plurality of drainage pipes 83 are connected through the plurality of arc-shaped support pipes 81 and the water seepage through holes 82, the drainage pipes 83 are located below the arc-shaped support pipes 81 and the water seepage through holes 82, drainage pipes 83 are connected through drainage channels 84, and the drainage channels 84 are located on two sides of the plastic track.
The waterproof layer 7 is positioned on the upper side of the plastic track buffer layer 3, so that water permeated from top to bottom is accumulated on the waterproof layer 7, and due to the arrangement of the curved arc-shaped supporting pipelines 81, the water is accumulated in the water permeation through holes 82 and is discharged into the drainage channel 84 through the drainage pipelines 83 to be discharged out of the plastic track; the hardness of the buffer layer 3 of the plastic track and the bottom layer 4 of the plastic track are prevented from conforming to the supporting hardness, and the service life of the plastic track is prolonged.
As shown in fig. 5, as an embodiment of the present invention, the present invention provides a method for manufacturing a plastic track, the method comprising the steps of:
s1, excavating a substrate
(1) Measuring and paying off, and roughly digging by adopting a model excavator to form a runway substrate;
(2) Compacting the substrate, sealing the bottom and repairing the bottom surface of the substrate by adopting a 20-28 ton road roller; manually compacting the side surface of the substrate to form a gradient of 5% -8%, detecting the compactness of the substrate by using a pit digging and sand filling method, and detecting the flatness of the substrate by using a feeler gauge measuring method;
(3) Cleaning a substrate, supplementing water and keeping alive;
s2, paving a plastic track bottom layer 4:
(1) Using a concrete mixer to transport and lay raw materials of the plastic track bottom layer 4, and adopting a paver to carry out paving, wherein the thickness is between 5cm and 10 cm;
(2) Forming uneven gully groove bodies 6 by utilizing steel bars before the plastic track bottom layer 4 is solidified;
(3) Maintaining the bottom layer 4 of the plastic track for more than 7 days;
(4) Testing the strength of the plastic track bottom layer 4 by using a Brinell hardness tester;
s3, paving a plastic track buffer layer 3:
(1) Raw materials for preparing the buffer layer 3 of the plastic track:
the composition of the plastic track buffer layer 3 is as follows: the environment-friendly plastic comprises the following raw materials in parts by weight: 35-45 parts of waste plastic raw materials, 25-35 parts of polypropylene, 20-30 parts of polyether polyol, 15-25 parts of filler, 15-25 parts of cement stone powder, 5-10 parts of pasty attapulgite clay, 12-16 parts of environment-friendly plasticizer, 1-2 parts of anti-aging agent and 1-2 parts of stabilizer;
(2) Respectively preparing the raw materials of each component in urban areas according to the proportion;
(3) Mixing and stirring waste plastic raw materials, polypropylene, polyether polyol, filler and cement stone powder for 1-2h, heating to 140-160 ℃, and melting at a stirring speed of 100-200 r/min to obtain a mixture A;
(4) Adding the mixture A into pasty attapulgite clay, an environment-friendly plasticizer, an anti-aging agent and a stabilizer, uniformly mixing to obtain a mixture B, and paving the mixture B above a plastic track bottom layer 4;
(5) A water seepage and drainage device 8 is arranged; rapidly placing a plurality of arc-shaped support pipelines 81 and drainage pipelines 83, paving a waterproof layer 7 on the plurality of arc-shaped support pipelines 81, and drilling the concave positions formed among the plurality of arc-shaped support pipelines 81 by using a drilling machine to form water seepage through holes 82;
(6) Digging two sides of the plastic track by using 8-12 ton diggers to form a drainage canal 8, opening a drainage canal 84 and a drainage pipeline 83, and opening the bottom wall of the drainage canal 84 to be 20-25 cm lower than the water outlet of the drainage pipeline 83;
s4, paving a plastic track adhesive layer 2:
(1) Prefabricated separation prevention mechanism 5: the lower ends of a plurality of connecting lacing wires 53 which are made of connecting metal materials are welded on the upper side of the lower filament steel mesh 52;
(2) Paving a plastic track buffer layer 3 in a molten state;
s5, paving an anti-slip surface layer 1 of the plastic track:
(1) The method comprises the steps of preparing raw materials of an anti-skid surface layer 1 of a plastic track in advance: the anti-skid surface layer 1 of the plastic track comprises the following components: rubber tire particles, isocyanate, polyether polyol, filler, stearic acid, soybean polyol, curing agent, environment-friendly plasticizer, reinforcing fiber and ethylene propylene diene monomer rubber; the components of the raw materials are as follows in parts by weight: 25-45 parts of rubber tire particles, 15-25 parts of isocyanate, 25-40 parts of polyether polyol, 15-35 parts of filler, 6-15 parts of stearic acid, 10-20 parts of soybean polyol, 1-2 parts of curing agent, 15-25 parts of environment-friendly plasticizer, 8-10 parts of reinforcing fiber and 25-35 parts of ethylene propylene diene monomer rubber;
(2) Stirring, melting and mixing the raw materials, wherein the rotation speed of a stirrer is 300r/min-400r/min, and the temperature is 100-120 ℃;
(3) The hardness of the adhesive layer 2 of the plastic track is detected, a filament steel net 51 is welded on the upper end of a connecting lacing wire 53, and a pre-configured anti-slip surface layer 1 of the plastic track is paved.
The design is that the side surface of the substrate forms a gradient of 5% -8%, the unique trapezoid cross section substrate is utilized to enable the cross section of the substrate to generate prestress, the seamless filling of the plastic track bottom layer 4 and the substrate is ensured, and the compactness is fully ensured.
The waste plastic raw materials are added into the plastic track buffer layer 3, so that the cost is reduced, and the rigidity of the plastic track buffer layer 3 is also met; meanwhile, the cement stone powder is added, so that the rigidity of the plastic track buffer layer 3 is further improved, and the stability of an upper structure is ensured; the waste plastic raw materials, the polypropylene, the polyether polyol, the filler and the cement stone powder are mixed and stirred for 1-2 hours and heated to the temperature of 140-160 ℃, and the heating temperature is high enough, so that the melting time of the plastic track buffer layer 3 is guaranteed sufficiently, and the water seepage and drainage device 8 is installed more conveniently.
The bottom wall of the open drainage channel 84 is 20-25 cm lower than the water outlet of the drainage pipeline 83; the height of 20-25 cm can be set, so that the water seepage can be completely and timely removed.
Rubber tire particles and ethylene propylene diene monomer rubber are added into the anti-slip surface layer 1 of the plastic track, so that the friction force on the surface of the plastic track is increased while the hardness of the anti-slip surface layer 1 of the plastic track is not too hard, and the anti-slip surface layer is suitable for track and field events.
As an embodiment of the present invention, the filler includes calcium carbonate, wollastonite, and stone. The materials such as calcium carbonate, wollastonite and stones are used, so that the hardness is ensured, and the cost is reduced.
As an embodiment of the present invention, the reinforcing fiber is a stainless steel wire. The stainless steel wire does not rust when meeting water, and the service life of the plastic track is prolonged.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (4)
1. A plastic course, characterized in that: the plastic track comprises a plastic track anti-slip surface layer (1), a plastic track adhesive layer (2), a plastic track buffer layer (3) and a plastic track bottom layer (4), wherein an anti-separation mechanism (5) used for being tightly adhered is arranged between the plastic track anti-slip surface layer (1) and the plastic track adhesive layer (2), the anti-separation mechanism (5) comprises an upper filament steel mesh (51), connecting lacing wires (53) and a lower filament steel mesh (52), wherein the upper filament steel mesh (51) is adhered to the plastic track surface layer (1), the lower filament steel mesh (52) is adhered to the plastic track adhesive layer (2), the connecting lacing wires (53) are connected with the upper filament steel mesh (51) and the lower filament steel mesh (52), the plastic track buffer layer (3) and the plastic track bottom layer (4) are provided with a gully groove body (6) matched with each other, and a waterproof layer (7) is arranged between the plastic track buffer layer and the plastic track bottom layer; the plastic track also comprises a water seepage and drainage device (8); infiltration drainage device (8) are including arc support pipe (81) of many arrays, the upside bonding of many arc support pipe (81) has waterproof layer (7), a plurality of infiltration through-holes (82) have been seted up on waterproof layer (7), infiltration through-hole (82) set up respectively between two adjacent arc support pipe (81), many arc support pipe (81), infiltration through-hole (82) through-connection have many drainage pipe (83), drainage pipe (83) are located the below of arc support pipe (81), infiltration through-hole (82), drainage pipe (83) through-connection have drainage canal (84), drainage canal (84) are located the both sides of plastic course.
2. A method of manufacturing a plastic course according to claim 1, comprising the steps of:
s1, excavating a substrate
(1) Measuring and paying off, and roughly digging by adopting a model excavator to form a runway substrate;
(2) Compacting the substrate, sealing the bottom and repairing the bottom surface of the substrate by adopting a 20-28 ton road roller; manually compacting the side surface of the substrate to form a gradient of 5% -8%, detecting the compactness of the substrate by using a pit digging and sand filling method, and detecting the flatness of the substrate by using a feeler gauge measuring method;
(3) Cleaning a substrate, supplementing water and keeping alive;
s2, paving a plastic track bottom layer (4):
(1) Using a concrete mixer to transport and lay raw materials of a plastic track bottom layer (4), and adopting a paver to carry out paving, wherein the thickness is between 5cm and 10 cm;
(2) Forming uneven gully groove bodies by utilizing reinforcing steel bars before the plastic track bottom layer (4) is solidified;
(3) Maintaining the plastic track bottom layer (4) for more than 7 days;
(4) Testing the strength of the plastic track bottom layer (4) by using a Brinell hardness tester;
s3, paving a plastic track buffer layer (3):
(1) Preparing raw materials of a plastic track buffer layer (3):
the plastic track buffer layer (3) comprises the following components: the environment-friendly plastic comprises the following raw materials in parts by weight: 35-45 parts of waste plastic raw materials, 25-35 parts of polypropylene, 20-30 parts of polyether polyol, 15-25 parts of filler, 15-25 parts of cement stone powder, 5-10 parts of pasty attapulgite clay, 12-16 parts of environment-friendly plasticizer, 1-2 parts of anti-aging agent and 1-2 parts of stabilizer;
(2) Respectively preparing the raw materials of each component in urban areas according to the proportion;
(3) Mixing and stirring waste plastic raw materials, polypropylene, polyether polyol, filler and cement stone powder for 1-2h, heating to 140-160 ℃, and melting at a stirring speed of 100-200 r/min to obtain a mixture A;
(4) Adding the mixture A into pasty attapulgite clay, an environment-friendly plasticizer, an anti-aging agent and a stabilizer, uniformly mixing to obtain a mixture B, and paving the mixture B above a plastic track bottom layer (4);
(5) A water seepage and drainage device (8) is arranged; rapidly placing a plurality of arc-shaped support pipelines (81) and drainage pipelines (83), paving a waterproof layer (7) on the plurality of arc-shaped support pipelines (81), and drilling the concave positions formed among the plurality of arc-shaped support pipelines (81) by using a drilling machine to form water seepage through holes (82);
(6) Digging two sides of the plastic track by using 8-12 ton diggers to form a drainage channel (84), opening the drainage channel (84) and the drainage pipeline (83), and opening the bottom wall of the drainage channel (84) to be 20-25 cm lower than the water outlet of the drainage pipeline (83);
s4, paving a plastic track adhesive layer (2):
(1) Prefabricated separation prevention mechanism (5): the upper side of the lower filament steel net (52) is welded with the lower ends of a plurality of connecting lacing wires (53) which are made of connecting metal materials;
(2) Paving a plastic track buffer layer (3) in a molten state;
s5, paving an anti-slip surface layer (1) of the plastic track:
(1) The method comprises the steps of preparing raw materials of an anti-skid surface layer (1) of a plastic track in advance: the anti-skid surface layer (1) of the plastic track comprises the following components: rubber tire particles, isocyanate, polyether polyol, filler, stearic acid, soybean polyol, curing agent, environment-friendly plasticizer, reinforcing fiber and ethylene propylene diene monomer rubber; the components of the raw materials are as follows in parts by weight: 25-45 parts of rubber tire particles, 15-25 parts of isocyanate, 25-40 parts of polyether polyol, 15-35 parts of filler, 6-15 parts of stearic acid, 10-20 parts of soybean polyol, 1-2 parts of curing agent, 15-25 parts of environment-friendly plasticizer, 8-10 parts of reinforcing fiber and 25-35 parts of ethylene propylene diene monomer rubber;
(2) Stirring, melting and mixing the raw materials, wherein the rotation speed of a stirrer is 300r/min-400r/min, and the temperature is 100-120 ℃;
(3) Detecting the hardness of the adhesive layer (2) of the plastic track, welding a filament steel mesh (51) on the upper end of a connecting lacing wire (53), and paving a pre-configured anti-skid surface layer (1) of the plastic track.
3. The method for manufacturing a plastic course according to claim 2, characterized in that: the filler comprises calcium carbonate, wollastonite and stones.
4. The method for manufacturing a plastic course according to claim 2, characterized in that: the reinforcing fiber is stainless steel wire.
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| CN112030666A (en) * | 2020-08-24 | 2020-12-04 | 湖北巴腾体育设施有限公司 | Environment-friendly high-performance plastic track and construction method thereof |
| CN113881120A (en) * | 2021-11-05 | 2022-01-04 | 东莞市海诚体育有限公司 | Special material for plastic track and preparation method |
| IT202100028763A1 (en) * | 2021-11-12 | 2023-05-12 | Fabrizio Zuanetti | ELEMENT FOR THE CREATION OF FLAT CONTAINMENT AND DELIMITATION STRUCTURES PARTICULARLY FOR FLOWER BEDS AND PROCEDURE FOR THE CREATION OF SAID ELEMENT |
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| CN2828121Y (en) * | 2005-09-12 | 2006-10-18 | 保定兴运塑胶有限公司 | High elastic buffer plastic cement track |
| CN205662807U (en) * | 2016-06-02 | 2016-10-26 | 南京禾邦体育场地工程有限公司 | Ventilative type plastic course |
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