檢測(cè)項(xiàng)目 The test items | 標(biāo)準(zhǔn)值 Standard values | 檢測(cè)值 The readings |
抗壓強(qiáng)度( Mpa ) The compressive strength | ≥ 35 | ≥ 50 |
抗折強(qiáng)度( Mpa ) Flexural strength | ≥ 3.5 | ≥ 6.0 |
透水率系數(shù)( cm/s ) Permeable rate coefficient | ≥ 2.0 × 10 -2 | ≥ 3.0 × 10 -2 |
抗凍性 Frost resistance | 夏熱冬冷地區(qū)凍循環(huán) 25 次 Hot summer and winter region Frozen cycle 25 times | 單塊質(zhì)量缺失率≤ 20% 凍后頂面缺損深度≤ 5 ㎜ | 最大值 1.0 最大值 0 |
強(qiáng)度損失率≤ 20% | 12 |
耐磨度( mm ) Wear-resisting degree | 磨坑長(zhǎng)度≤ 35 | 28 |
防滑性( BPM ) Skid resistance | ≥ 60 | 70 |