Basketball gym sports floor installation standards
1. The laying of the wooden floor of the basketball hall should be carried out after the completion and acceptance of the ground concealment project, ceiling project, wall project, and hydropower project.
2. Ground flatness, 2. The m ruler detects the flatness of the ground, and the maximum chord height between the ruler and the ground should be ≤5mm. The ground moisture content should be less than 20%, otherwise moisture-proof treatment should be carried out.
3. The use of materials that exceed the national mandatory standards is strictly prohibited.
Sports wood floor structure
4. Timber keel, dunnage and other wood moisture content should comply with the wood moisture content GB/T15036.1-2001 6.4. The wood keel should adopt a method with good nail holding force. . Wood with certain corrosion resistance or wood treated with insect repellent. Wooden keel thickness ≥ 25mm, width ≥ 35mm.
5. Plywood can be used for wool floors. Wood-based panels such as blockboard and particleboard, and wool floors should meet the quality requirements of the corresponding national standards. The formaldehyde emission should meet the requirements of Class E in the national standard GB18580, and the thickness should be ≥9mm.
6. According to the length of the wooden keel, reasonably arrange the position of the fixed wooden keel; the drilling distance is less than or equal to 300mm, and the hole depth is less than or equal to 60mm, so as not to penetrate the floor; Hammer drill.
7. When there is a gap between the wooden keel and the ground, it should be made of corrosion-resistant and hard material. If the wooden keel is uneven, it should be leveled or leveled. When the wooden keel is installed, the tolerance of the distance between the wooden keel is ≤5mm, the flatness is ≤3mm/2m, and the expansion joint with the wall is (8~12)mm.
