CN111549615B - Construction method of non-water-seepage plastic track - Google Patents
Construction method of non-water-seepage plastic track Download PDFInfo
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- CN111549615B CN111549615B CN202010300038.6A CN202010300038A CN111549615B CN 111549615 B CN111549615 B CN 111549615B CN 202010300038 A CN202010300038 A CN 202010300038A CN 111549615 B CN111549615 B CN 111549615B
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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
- E01C13/06—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
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Abstract
The invention discloses a construction method of a non-water-seepage plastic track, which comprises the following steps of spreading granular aggregates on the surface of an asphalt concrete base layer, forming a compact layer after the granular aggregates are dried, covering a thin film on the compact layer to detect the moisture condition, brushing viscous mixed fillers on the compact layer to form a bonding layer after the moisture condition is qualified, spreading plastic slurry on the surface of the bonding layer to form a plastic surface layer when the bonding layer has certain hardness, and mixing the following raw materials in parts by weight to form the granular aggregates: 3-5 parts of quartz sand, 2-3 parts of colloidal particles and 2-5 parts of adhesive, wherein the viscous mixed filler is prepared by mixing the following raw materials in parts by weight: 3-5 parts of colloidal particles and 5-7 parts of environment-friendly latex, wherein the plastic surface layer comprises a base material layer and a surface material layer, the thickness ratio of the base material layer to the surface material layer is 10:3, the surface of the asphalt concrete, which is in contact with the plastic surface layer, can be compacted, and meanwhile, the asphalt concrete and the plastic surface layer can be connected with each other with high viscosity, so that the bonding effect is ensured.
Description
Technical Field
The invention relates to the technical field of plastic track construction, in particular to a construction method of a non-water-seepage plastic track.
Background
The construction method of the existing mixed plastic track comprises the following steps: firstly, spreading a plastic cement slurry which takes a two-component mixed polyurethane slurry as a base material on a finished asphalt concrete base layer to form a plastic cement surface layer, and then spraying colloidal particles on the incompletely cured plastic cement surface layer to enable the colloidal particles and the plastic cement surface layer to be bonded together and to be solidified to form the plastic cement track.
Traditional plastic course is when using, and it is insecure to have the bonding between asphalt concrete and the plastic surface course, and when using, when meetting rainy season or getting damp the season, can appear ponding phenomenon in the plastic surface course, seriously influences the use of plastic.
Disclosure of Invention
The invention aims to provide a construction method of a non-water-seepage plastic track, which can compact the surface of asphalt concrete contacting with a plastic surface layer and can ensure the bonding effect of the asphalt concrete and the plastic surface layer by high-viscosity connection.
The technical purpose of the invention is realized by the following technical scheme:
a construction method of a non-water-seepage plastic track comprises the steps of firstly spreading granular aggregates on the surface of an asphalt concrete base layer, forming a compact layer after the granular aggregates are dried, firstly covering a thin film on the compact layer to detect the moisture condition, brushing viscous mixed fillers on the compact layer to form a bonding layer after the moisture condition is qualified, spreading plastic slurry on the surface of the bonding layer to form a plastic surface layer when the bonding layer has certain hardness, and mixing the following raw materials in parts by weight to form the granular aggregates: 3-5 parts of quartz sand, 2-3 parts of colloidal particles and 2-5 parts of adhesive, wherein the viscous mixed filler is prepared by mixing the following raw materials in parts by weight: 3-5 parts of colloidal particles and 5-7 parts of environment-friendly latex, wherein the plastic surface layer comprises a base material layer and a surface material layer, and the thickness ratio of the base material layer to the surface material layer is 10: 3.
Preferably, the base material layer is composed of colloidal particles, a curing agent and a plastic comprehensive material, and the ratio of the colloidal particles to the curing agent to the size is 6:1: 1.
Preferably, the fabric layer is formed by brushing a mixture prepared by mixing glue, colloidal particles and color paste, the weight ratio of the glue to the colloidal particles to the color paste is 1:1:0.15, and the glue is EPDM plastic runway glue.
Preferably, the adhesive is a polyethylene hot melt adhesive.
Preferably, the environment-friendly latex is Hante water-based composite white latex HT-1000.
Preferably, after the precoat layer is coagulated, the floes are swept away and the surface is painted with an adhesive, and the adhesive is a one-component polyurethane slurry.
The invention has the following beneficial effects: the gaps and concave parts on the surface of the asphalt concrete base layer are filled completely through the granular aggregate, so that the asphalt concrete base layer is more compact; the adhesion degree between the asphalt concrete base layer and the plastic surface layer is strengthened through the viscous mixed filler, and the gap possibly existing between the asphalt concrete base layer and the plastic surface layer is filled simultaneously, so that the connection degree between the asphalt concrete base layer and the plastic surface layer is ensured, and the phenomenon of infirm bonding of the plastic surface layer in the later period is avoided.
Detailed Description
The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention.
A construction method of a non-water-seepage plastic track comprises the steps of firstly spreading granular aggregates on the surface of an asphalt concrete base layer, forming a compact layer after the granular aggregates are dried, firstly covering a thin film on the compact layer to detect the moisture condition, brushing viscous mixed fillers on the compact layer to form a bonding layer after the moisture condition is qualified, spreading plastic slurry on the surface of the bonding layer to form a plastic surface layer when the bonding layer has certain hardness, and mixing the following raw materials in parts by weight to form the granular aggregates: 3-5 parts of quartz sand, 2-3 parts of colloidal particles and 2-5 parts of adhesive, wherein the viscous mixed filler is prepared by mixing the following raw materials in parts by weight: 3-5 parts of colloidal particles and 5-7 parts of environment-friendly latex, wherein the plastic surface layer comprises a base material layer and a surface material layer, and the thickness ratio of the base material layer to the surface material layer is 10: 3.
The adhesive is polyethylene hot melt adhesive which can be directly purchased in the market, the particle aggregate is prepared by stirring, mixing and uniformly mixing 3-5 parts of quartz sand and 2-3 parts of colloidal particles, then placing 2-5 parts of polyethylene hot melt adhesive into the mixture, stirring the mixture, controlling the temperature to be 30 ℃, fully mixing the mixture with certain clear water if necessary, wherein the percentage of the added clear water in the whole particle aggregate is not more than 0.1, wherein the colloidal particles are available Ethylene Propylene Diene Monomer (EPDM), performing a film moisture test on a compact layer formed after the mixed aggregate is completely cured, covering a film on the compact layer, sealing the periphery of the compact layer to enable the compact layer to be in a sealed state, drying the compact layer in the sun for 12-16h in sunny weather, observing the condition of water beads on the film, and if the water beads are small and few, no laying of the particle aggregate is needed.
After moisture detection is qualified, lay the mixed filler of viscidity on the compact layer, the environmental protection latex in this viscidity mixed filler is the compound white latex HT-1000 of hanter's waterborne, can directly purchase on the market and obtain, directly stir 3-5 parts's micelle and environmental protection latex to even mixture, evenly apply paint this viscidity mixed filler with a brush on the compact layer afterwards and form the tie coat, when the tie coat is the complete cure, carry out laying of base material layer, the base material layer comprises micelle, curing agent and plastic comprehensive material, the ratio of micelle, curing agent and thick liquids is 6:1:1, wherein the curing agent is a Subott mixed type plastic runway auxiliary material curing agent, the plastic synthetic material is an existing product and can be purchased through the market, a manufacturer has Nanjing Stant physical construction engineering company, and the like, and the plastic synthetic material is prepared by mixing 3-5 parts by weight of slurry and 1 part by weight of polyurethane prepolymer and dehydrating the mixture. The present invention relates to a method for preparing polyurethane prepolymer, and is characterized by that the polyurethane prepolymer is a reactive semi-finished product obtained by controlling a certain proportion of reaction of polyisocyanate and polyol, and can be extensively used in the fields of polyurethane adhesive, coating material, elastomer, foam and fibre, etc..
The coating thickness of the base material layer is 1cm, the base material layer is coated after the coating is finished, the surface material layer is coated, the surface material layer is formed by coating a mixture prepared by mixing glue, colloidal particles and color paste, the weight ratio of the glue, the colloidal particles and the color paste is 1:1:0.15, the glue is EPDM plastic runway glue, the color paste is mixed according to the requirement and is a proper color, the color paste is common articles on the market, the coating thickness of the surface material layer is 0.3cm, floating particles are swept and an adhesive is coated on the surface after the surface material layer is coagulated, the adhesive is single-component polyurethane slurry, the combination of the colloidal particles and the plastic surface layer is enhanced through the adhesive, the colloidal particles 4 are prevented from falling off the plastic surface layer 3 due to friction and the like, and the service life of the runway is prolonged.
The specific implementation steps are as follows:
a. and (3) detecting the asphalt concrete base layer: collecting a detection report of the asphalt concrete raw material and a sampling analysis report of physical properties and compactness, wherein two indexes of a thermal stability coefficient report and the compactness are required to meet standards and technical specifications;
b. and (3) flatness detection: waiting for rainy days or manual watering, wherein manual watering needs slow pouring and overflowing, strong flushing is forbidden, the watering amount just covers the surface of the whole asphalt concrete base layer, water flow stopping begins, and then stable maintenance is carried out for 15 days;
c. leveling and weather concerns: supplementing granular aggregates at first to the concave place on the surface of the asphalt concrete base layer, polishing the convex part, then brushing the granular aggregates on the surface of the whole asphalt concrete base layer, finding a specially-assigned person to pay attention to the weather forecast of the area, mastering the weather state in the middle and short term, adjusting the construction arrangement in time, ensuring the quality of the paving engineering, wherein the granular aggregates are formed by mixing the following raw materials in parts by weight: 3-5 parts of quartz sand, 2-3 parts of colloidal particles and 2-5 parts of adhesive, wherein the adhesive is polyethylene hot melt adhesive and can be directly purchased in the market, and the colloidal particles are available Ethylene Propylene Diene Monomer (EPDM) rubber particles;
d. cleaning dust and painting a bonding layer: covering the film on the completely cured compact layer, keeping the film for 12-16h in clear weather, observing the condition of water drops on the film, cleaning the compact layer, keeping the surface of the compact layer free of oil and impurities, and then coating viscous mixed filler on the compact layer, wherein the viscous mixed filler is formed by mixing the following raw materials in parts by weight: 3-5 parts of colloidal particles and 5-7 parts of environment-friendly latex, wherein the environment-friendly latex in the viscous mixed filler is Hante waterborne composite white latex HT-1000 which can be directly purchased in the market;
f. paving a plastic surface layer: before the tie coat is not completely cured, brush the base material layer on the tie coat, it is advisable when the base material layer thickness is 1cm, the base material layer can carry out the layering according to the construction needs and brush or directly brush and apply paint all can, treat that the base material layer is totally dry after, carry out the paving of precoat, thickness is 0.3cm and is advisable, the base material layer is synthesized by micelle, curing agent and plastic and expects to constitute, the ratio of micelle, curing agent and thick liquids is 6:1:1, the curing agent is a Subott mixed type plastic runway accessory curing agent, the plastic composite material is an existing product and can be purchased through the market, a manufacturer has Nanjing Naaston sports construction engineering company, and the like, the plastic composite material is prepared by mixing 3-5 parts by weight of pulp and 1 part by weight of polyurethane prepolymer and dehydrating, wherein the pulp is also called paper stock, pulp is prepared according to the variety, the property and the requirement of paper to be made, then sizing material, filler, pigment and other auxiliary agents are added to prepare fiber suspension for paper making, the polyurethane prepolymer is also an existing product, is a reactive semi-finished product obtained by controlling a certain proportion of reaction of polyisocyanate and polyalcohol, and is widely applied to the fields of polyurethane adhesives, coatings, elastomers, foams, fibers, and the like at present, the fabric layer is formed by coating a mixture prepared by mixing glue, colloidal particles and color paste, the glue is EPDM plastic track glue, the color paste is mixed by selecting proper colors according to requirements, and the color paste is common articles in the market;
g. measuring and drawing bottom lines and drawing marks and lines: the drawing of the base line, the attention required for the paving process, and the subsequent drawing of the markings and lines are all routine operations and routine inspections within the industry and will not be described in detail here.
The plastic track manufactured by the traditional construction method and the construction method of the invention is subjected to impact absorption, tensile strength, anti-slip value and vertical deformation detection, wherein the water permeability coefficient is determined according to JC/T945-2005, a water permeability instrument and a test piece are sealed by cement, the measurement is read in a timing way, then the water permeability coefficient is calculated, a CSS-88000 electronic universal testing machine is adopted for compressive strength test, the size of the test piece is 100mm multiplied by 40mm, the loading speed is 0.5mm/min, and the detection results are as follows:
the detection result of the invention is as follows: impact absorption (%) 49; tensile strength (Mpa) 1.2; slip resistance (BPN, 20 ℃ C.) 92; vertical deformation (mm) 2.1;
the traditional mode detection result is as follows: impact absorption (%) 37; tensile strength (Mpa) 0.5; slip resistance (BPN, 20 ℃ C.) 55; vertical deformation (mm) 1.7;
the GB/T14833-2011 standard is impact absorption (%) 35-50; tensile strength (Mpa) is greater than or equal to 0.4; a slip resistance value (BPN, 20 ℃) of 47 or higher; vertical deformation (mm) 0.6-2.5.
The data comparison shows that the impact absorption, the pull rope strength, the anti-slip value and the vertical deformation of the invention are all higher than those of the traditional construction method, and the invention has obvious progress and better effect compared with the traditional construction method.
Claims (5)
1. The construction method of the non-water-seepage plastic track is characterized in that particle aggregates are paved on the surface of an asphalt concrete base layer firstly, a compact layer is formed after the particle aggregates are dried, a thin film is firstly covered on the compact layer to detect the moisture condition, after the moisture condition is qualified, viscous mixed fillers are coated on the compact layer to form a bonding layer, when the bonding layer has certain hardness, plastic slurry is paved on the surface of the bonding layer to form a plastic surface layer, and the particle aggregates are formed by mixing the following raw materials in parts by weight: 3-5 parts of quartz sand, 2-3 parts of colloidal particles and 2-5 parts of adhesive, wherein the viscous mixed filler is prepared by mixing the following raw materials in parts by weight: 3-5 parts of colloidal particles and 5-7 parts of environment-friendly latex, wherein the plastic surface layer comprises a base material layer and a surface material layer, the thickness ratio of the base material layer to the surface material layer is 10:3, the surface material layer is formed by coating a mixture prepared by mixing glue, colloidal particles and color paste, the weight ratio of the glue, the colloidal particles and the color paste is 1:1:0.15, and the glue is EPDM plastic track glue.
2. The construction method of the non-water-permeable plastic track as claimed in claim 1, wherein the base material layer is composed of colloidal particles, a curing agent and a plastic synthetic material, and the ratio of the colloidal particles, the curing agent and the slurry is 6:1: 1.
3. The method of claim 2, wherein the adhesive is a polyethylene hot melt adhesive.
4. The construction method of the non-water-permeable plastic track as claimed in claim 3, wherein the environment-friendly latex is white latex HT-1000.
5. The method for constructing a water-impermeable plastic runway according to claim 4, wherein after the precoat is coagulated, the floes are removed and the surface is coated with an adhesive, and the adhesive is one-component polyurethane slurry.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010300038.6A CN111549615B (en) | 2020-04-16 | 2020-04-16 | Construction method of non-water-seepage plastic track |
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| CN202010300038.6A CN111549615B (en) | 2020-04-16 | 2020-04-16 | Construction method of non-water-seepage plastic track |
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| CN111549615A CN111549615A (en) | 2020-08-18 |
| CN111549615B true CN111549615B (en) | 2021-09-17 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201473849U (en) * | 2009-03-10 | 2010-05-19 | 上海美固坦体育设施有限公司 | Playground track structure with coalescent pattern rubber environment-friendly prefabricated coiled material |
| CN101792997B (en) * | 2010-03-31 | 2011-05-18 | 成都建筑工程集团总公司 | Mixed type plastic track construction method |
| CN102733289B (en) * | 2012-07-13 | 2014-08-13 | 广州市溢威涂料有限公司 | Water-borne acrylic resin plastic runway and production method thereof |
| CN109554985A (en) * | 2017-09-27 | 2019-04-02 | 广州市盛邦康体场地材料有限公司 | A kind of construction method of mixed type plastic track |
| CN108978401A (en) * | 2018-08-27 | 2018-12-11 | 湖北科蓝科技有限公司 | Mixed type primer ties line plastic cement race track and its construction method certainly |
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