The construction technology of the ground floor of the tennis court is divided into the following characteristics:
Sinter soil surface
The effect of using the original three-layer soil surface is not as good as that of the sinter soil, and the construction process is not as convenient as the sinter soil.
Sintered soil is usually bagged, paving is easy to use, according to the structure of the thickness of the cloth, spread the bag after spreading on site, virtual thickness can be controlled in the structure of 1.4 to 1.6 times the thickness. The height control method can use 5mx5m square grid to find the platform to spray water, and the surface can be ground after being air-dried. The first to use the 6t steel wheel to grind, rolling 1 or 2 times, the whole site to check, take a high pad, and then use Large roller compaction, 12t roller track no more than 5mm. The surface is mixed with a layer of mixed sand, and the mixed sand is sand: soil = 1:1, and the thickness of the spread is not more than 5 mm.
2. Acrylic surface layer
The operation of acrylic is mainly brush coating method. It can be applied to the other side from the side of the tennis court. After coating the whole floor, after the surface is dry, it can be coated with the second layer, but the direction of brushing should be The direction of the first floor is vertical. During the construction, attention should be paid to the surrounding environment of the site to prevent falling leaves and dust, and brushing to the required thickness of the design. The color of the bottom coating can be close to the color of the top layer, but the final color of the top layer should be uniform and consistent with the design requirements.
Plastic surface
The construction of the plastic surface course and the 400m track and field venue should be consistent. With electric mixers, on-site mixing, before the paving of tennis courts, a leveling and dressing shall be carried out and then paving. The paving shall be carried out from one side of the tennis court to the other. When paving, it is necessary to detect the wetness of the asphalt surface and must be dry before allowing the paving operation.
During the construction of the plastic surface layer, a quality inspection report is required to be taken in the field. The size of the test piece is 0.5mx0.5m, and the thickness is equal to the designed thickness and cured for 15 days.
4. Artificial turf surface construction
Artificial turf construction is basically the same as artificial turf football grounds. What needs to be reminded is that the grass field is covered with grass as far as possible, and the first direction of the shop is required to be accurate. It is not inclined or sloppy. After the grass is planted, on the side of the perimeter of the site, a wooden strip is used to temporarily nail it on the base layer, and a reinforced adhesive tape should be laid under the seam. The nonwoven fabric can be used and is 0.3m wide and adheres to the base layer. The connection between grass and grass can be done by bonding or seaming. After joints are lightly rolled 1 to 2 times with artificial rolling, after the shop is finished, it is necessary to measure the payline in detail and cut off the green grass seedlings. Paste the white grass and finish the line drawing work. When artificial grass needs to be filled with sand and rubber particles, it must be filled in layers, first with sand, and at least two times. After each time, after sanding, use a bamboo rod to make two round trips, so that the grass seedlings stand upright and the sand falls. The bottom layer, and finally spread a layer of black rubber. It is also necessary to go back and forth two times. After the artificial turf has been used for a period of time, it needs to be inspected on the entire site and a black colloidal grain is to be found. The exposed size of the grass seedling reaches 5-8 mm.
5. Natural turf surface construction
Natural turf construction is basically the same as the construction of football grounds, but the most important is that when the grassroots construction, each layer should be uniform, especially the sand content rate of seed soil is high, there can be no clay soil, and there should be no Impurities, more should not be selected for the surface soil of wild grass species, to prevent the introduction of grass grass species and diseases, pests. The grass species should be selected to withstand the turfgrass cultivation period, the growth of grass seedlings is controlled at 6~10cm, and the competition grass should be cut into 2cm. The color of the pasture should be uniform and there should be no soil exposed phenomenon. After each time the grass is cut, the grass store outside the field should be cleared in time for unified treatment.
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