The stadium asphalt concrete layer is used as the base layer of the plastic surface layer of sports track and field venues, not the surface layer of the road engineering, and has many aspects of quality requirements. It can refer to the standards of the urban road engineering, but it is due to the requirements of the competition project. The location and frequency of inspection items are also slightly different. For the asphalt concrete base quality standards and testing methods, see the table below. Asphalt Concrete Quality Inspection Requirements project Quality requirements Inspection frequency Inspection Method standard Allowable deviation range Points compactness 98% not lower than 4000m2 1 Site sampling thickness Design thickness +10mm~ -5mm 4000m2 1 Site sampling Smoothness Track area 3mm no greater than 20m 1 3m ruler, Feeler gauge Tian Sai District Projects 1 Cross slope Track area 0.1% ±0.1% 20m 1 Leveling Tian Sai District Projects 1 Gradient Track area 0.1% ±0.1% Full field 2 Leveling Tian Sai District Elevation Track area Design elevation ±10mm 20m 2 Leveling Tian Sai District Projects 2 width Design width not less than 40m 1 Steel rule Note: 1. On-site sampling, as far as possible in the construction of excavated sections; 2. "Items" means the long jump runway, the high jump run-up area, and the pole bounce runway for the field event; 3. "Compactness" refers to the ratio of % to optimal density; 4. Except for "field sampling", all other points are randomly sampled. Featured Bread Proofing Basket
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