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Composite plastic track construction plan

Article author:admin Popularity:Publication time:2019-04-28 09:02
◆Basic type: cement concrete foundation
 
    ◆Basic acceptance:
 
    1.1 The flexural strength, compressive strength, flatness, slope and thickness of cement concrete foundation meet the national standards and design requirements;
 
    1.2 The corners of cement concrete slabs are neat and tidy. There must be no cracks larger than 0.3mm, and there should be no stone exposed and floating pulp, peeling, water accumulation, sand and empty drums.
 
    1.3 The cement concrete base layer and the drainage ditch cover or other structures shall be connected smoothly, and there shall be no unevenness or accumulation of water.
 
    1.4 There shall be no obvious height difference between the drainage channel plates. The straight line segment of the drainage hole shall be straight and the arc segment shall be straightened.
 
 
 
    ◆Basic processing:
 
    1.1 Clean the cement concrete foundation surface with 10% dilute hydrochloric acid and clean the expansion joints.
 
    1.2 Fill the expansion joint with two-component joint filler and lay the glass fiber anti-cracking cloth.
 
    1.3 Repair the unevenness and sanding parts.
 
 
 
    ◆Undercoat construction:
 
    The bottom sealing treatment is carried out with a special primer for cement concrete.
 
 
 
    ◆ Rubber particle bottom layer construction:
 
    The black rubber particle bottom layer and the one-component polyurethane adhesive are uniformly mixed according to a certain ratio, and paved on the treated cement concrete base layer by a paver according to a certain thickness.
 
 
 
    ◆ Sealing the bottom layer construction:
 
    The special polyurethane sealing material is spread on the bottom layer of the black rubber particles which have been constructed with a scraper, and the gaps of the bottom layer of the black rubber particles are all filled and compacted.
 
 
 
    ◆Composite surface layer construction
 
    The colored EPDM particles and the two-component polyurethane glue were uniformly mixed in a certain ratio, and sprayed on the bottom layer of the formed black rubber particles by a sprayer in a clockwise and counterclockwise order twice, and the thickness was 3 mm.
 
 
 
    ◆ Point line mapping:
 
    According to the IAAF standard, the position of various marking lines is determined, and the runway marking line is sprayed after the check is correct.
 
 
 
    ◆ Site acceptance criteria:
 
    1.1 The physical and chemical indicators of the plastic surface layer are tested in accordance with national standards.
 
    1.2 The sports indicators and point lines are tested and accepted according to the IAAF standards.
 
    Asphalt concrete composite plastic track
 
 
 
         ◆Basic type: asphalt concrete foundation
 
    ◆Basic acceptance:
 
    1.1 The compaction degree, flatness, slope and thickness of asphalt concrete foundation meet the national standards and design requirements.
 
    1.2 The surface should be flat and solid, and there should be no phenomena such as falling off, slag, cracks, pushing, smearing, thick and fine materials.
 
    1.3 The joints should be tight and smooth. After rolling the roller above 12 tons, there should be no obvious wheel tracks.
 
    1.4 The asphalt concrete base layer and the drainage ditch cover or other structures shall be connected smoothly, and there shall be no unevenness or accumulation of water.
 
    1.5 There should be no obvious height difference between the drainage channel plates. The straight line segment of the drainage hole should be straight and the arc segment should be straight.
 
 
 
    ◆Basic processing:
 
    1.1 Repair the uneven parts.
 
    1.2 Use a glass fiber anti-cracking cloth to crack the joint of asphalt and drainage ditch.
 
 
 
    ◆Undercoat construction:
 
    The bottom sealing treatment is carried out with a special primer for asphalt concrete.
 
 
 
    ◆ Rubber particle bottom layer construction:
 
    The black rubber particle bottom layer and the one-component polyurethane adhesive are uniformly mixed according to a certain ratio, and paved on the treated cement concrete base layer by a paver according to a certain thickness.
 
 
 
    ◆ Sealing the bottom layer construction:
 
    The special polyurethane sealing material is spread on the bottom layer of the black rubber particles which have been constructed with a scraper, and the gaps of the bottom layer of the black rubber particles are all filled and compacted.
 
 
 
    ◆Composite surface layer construction
 
    The colored EPDM particles and the two-component polyurethane glue were uniformly mixed in a certain ratio, and sprayed on the bottom layer of the formed black rubber particles by a sprayer in a clockwise and counterclockwise order twice, and the thickness was 3 mm.
 
 
 
    ◆ Point line mapping:
 
    According to the IAAF standard, the position of various marking lines is determined, and the runway marking line is sprayed after the check is correct.
 
 
 
    ◆ Site acceptance criteria:
 
    1.1 The physical and chemical indicators of the plastic surface layer are tested in accordance with national standards.
 
    1.2 The sports indicators and point lines are tested and accepted according to the IAAF standards.
 
 
 
    Features:
 
    The composite traditional plastic track sports field has the same appearance as the hybrid plastic track. The data except the tensile strength is basically the same as the hybrid plastic track. It is the first choice for the construction of sports fields in the economically underdeveloped regions of China's alpine regions. The composite traditional plastic track cost is generally lower than the hybrid plastic track price of about 15%, and has the characteristics of good elasticity, bright color, high strength, good elasticity, wear resistance, non-slip resistance, low temperature resistance, shockproof sound insulation and durability.
 
    Due to its good surface drainage function, the composite traditional plastic track sports field can not enter the elastic layer of the plastic track in the cold regions. Once the climate warms up, the snow melts on the surface of the composite traditional plastic track, passing the natural slope of the runway. Drainage, no adverse effects on the runway. Applicable to all kinds of athletics fields in the alpine region.
Key words in this article:Composite,plastic,track,constr

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