The structural inspection of each floor shall be adopted for the field inspection of the wooden floor of the stadium
1. Keel flatness, moisture content
2. Flatness, moisture content, ball rebounding force of rough floor
3. Overall flatness: 2m is measured by a ruler, the gap is not more than 2mm, and the distance between any two points is 15m. Use an elevation ruler to measure the rebound height of the ball
4. The wooden floor of the stadium The gap between the board surface and the height difference between the adjacent boards should be higher than the requirements of the home decoration floor
