检测项目 The test items | 标准值 Standard values | 检测值 The readings |
抗压强度( Mpa ) The compressive strength | ≥ 35 | ≥ 50 |
抗折强度( Mpa ) Flexural strength | ≥ 3.5 | ≥ 6.0 |
透水率系数( cm/s ) Permeable rate coefficient | ≥ 2.0 × 10 -2 | ≥ 3.0 × 10 -2 |
抗冻性 Frost resistance | 夏热冬冷地区冻循环 25 次 Hot summer and winter region Frozen cycle 25 times | 单块质量缺失率≤ 20% 冻后顶面缺损深度≤ 5 ㎜ | 最大值 1.0 最大值 0 |
强度损失率≤ 20% | 12 |
耐磨度( mm ) Wear-resisting degree | 磨坑长度≤ 35 | 28 |
防滑性( BPM ) Skid resistance | ≥ 60 | 70 |