Analysis on the foundation and construction requirements of plastic track in sports fields

The plastic track is laid on an asphalt or cement foundation, and the foundation method is roughly the same as road construction. The flatness of the foundation surface is required to ensure consistent thickness and uniform elasticity of the plastic surface layer. After all, the plastic track foundation is a key factor in the service life of the site. Below we explain the quality requirements of the plastic track foundation as follows
Plastic track
Basic flatness, flatness pass rate is above, meter ruler error.
Plastic track
Basic slope, transverse curve, straight path, semicircular area, longitudinal direction, and high jump area. The surface should be flat, smooth, and drained smoothly.
Plastic track
Strength and stability of the foundation The foundation should have a certain strength and stability, the surface should be uniform and solid without cracks, no rotten edges, and the joints should be straight and smooth. The cushion layer is compacted, and the density is greater than 100. After being pressed by a medium-sized roller compactor, there are no obvious wheel marks, loose soil, waves, etc.
Plastic track
The basic drainage system must discharge accumulated water two hours after heavy rain. In frozen areas, it is best to add a geotextile buffer layer between the asphalt layer and the gravel layer. The foundation along the drainage trench should be treated with special waterproofing.
Plastic track
Maintenance period of the foundation The surface of the foundation must be kept clean and dry. After the completion of the asphalt foundation, a maintenance period of more than 10 days is required to evaporate the low boiling point components on the asphalt surface and ensure that the plastic layer and the foundation have sufficient Bonding strength. The concrete foundation also needs a maintenance period, and expansion joints need to be considered for large-area use. The concrete foundation needs to be treated before the paving layer.
Plastic runway
The marking and positioning of the plastic track is required for accurate construction and line drawing. Firm and clear markers should be used to mark the four semicircle tangent points and two center points of the track site.
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