The hockey artificial turf field is very different from the soccer artificial turf which we are familiar with. Due to the characteristics of its hockey sports, the turf has to comply with good water retention, water permeability, strong abrasion resistance, excellent flatness, and anti-aging. And weathering performance, as well as high grass density, non-directional, always keep the ball moving direction and so on. In addition, there are many requirements for the layout of the venues. The dual requirements of the stadium for seepage and water retention pose new challenges to the construction. According to the requirements, after the water is sprayed for 35 minutes, the surface will retain an average of 3mm of water, and any place The amount of water must not be less than 2mm. For this reason, it is recommended to adopt the five-layer laying method of lime, coarse asphalt, medium asphalt, rubber particle damping layer, and artificial grass to meet the following basic requirements.
1. Hockey grass features:
Good water retention and water permeability
Strong wear resistance, long service life;
Excellent flatness, aging and weathering resistance
High grass density, no direction, keep the ball's direction of movement;
Thick padded layer, excellent sports performance and foot feeling;
Environmental protection is non-polluting and does not fade;
Artificial grass surface is shiny without glare;
There are few seams and no traces.
2. About certification
3. Process and Difficulties in Pitch Placing on Hockey Stadium
Hockey Stadium rubber particle damping layer construction process:
Construction preparation → Basic cleaning → Measuring and releasing lines → Accessories mixing → Mechanical paving → Site dressing → Completion acceptance
Hockey artificial grass construction process:
Preparation for construction → Measurement and pay-off → Lawn paving → Lawn cutting, bonding → Brushing glue → Bonding function line → Site inspection → Site cleaning → Completion acceptance
Construction process of spray irrigation and water supply pipes in hockey arena:
Preparations → Survey stakeout → Excavation trenches (side wall support, slope draining) → Cushion foundation → Pipe installation → Piping, valve installation → Interface (various interface operating procedures) → Rinsing piping, pipe pressure test → Installation nozzle And Accessories → Commissioning → Acceptance
As a stadium hockey game venue, there are clear requirements on the water seepage and water retention performance of the golf course, the rebound performance of the ball, the friction of the sole of the stadium, the rolling performance of the ball, and the rolling bias. Among them, the double requirements of the stadium for both seepage and water retention pose new challenges for construction. According to the requirements, after the stadium has been sprinkling water for 35 minutes, the surface will retain an average of 3mm of water, and the amount of water in any one place shall not be less than 2mm. For this reason, it is recommended to adopt the five-layer laying method of lime, coarse asphalt, medium asphalt, rubber particle damping layer, and artificial grass to meet the following basic requirements.
Precautions:
Hockey surface pavements must be absolutely flat and natural and should be equipped with a complete drainage system.
Sewer: The venue must have a drainage system to prevent heavy rain from affecting the race.
First-aid passage: First-aid passage with direct access to the site such as ambulances and fire engines.
As the hockey stick has a high requirement for the flatness of the site, the buffer zone (including the sideline) outside the hockey line is a lateral paving, and more 18 cm wide turf should be placed under the cover of the ditch around the site.
At the time of paving, the location of the two end lines and the midline turf is also determined. The Other turfs are paved one by one.
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