项目 (ltem) | 技术性能指标 (Technical index) | ||||||
密度级别 (Density grade) |
B04 | B05 | B06 | ||||
强度级别 (lntensity) |
A2.0 | A2.5 | A2.5 | A3.5 | A3.5 | A5.0 | |
立方体抗压强度(MPa) (compressivestrengtofthcube) |
平均值(Average) | ≥2.0 | ≥2.5 | ≥2.5 | ≥3.5 | ≥3.5 | ≥5.0 |
最小值(Minimun) | ≥1.6 | ≥2.0 | ≥2.0 | ≥2.8 | ≥2.8 | ≥4.0 | |
平均干密度(Kg/m3) (Average dry density) |
≤425 | ≤425 | ≤525 | ≤525 | ≤625 | ≤625 | |
干导热系数{W/(m.k)} (Dry thermal conductivity) |
0.12 | 0.14 | 0.16 | ||||
抗冻性 (Frost resistance) |
质量损失(%) (Quality loss) |
≤5.0 | |||||
冻后强度(MPa) (Frosted strength) |
大于立方体抗压强度平均值80% (More than 80 percent of the compressive sthrength of the cube above) | ||||||
干燥收缩率 (Dry shrinkage) |
标准法(mm/m) (Standard methhood) |
≤0.50 |
隔墙做法 | 下列各个频率的隔声量(分贝) | 100-3150赫兹的平均隔声量(分贝) | |||||
125 | 250 | 500 | 1000 | 2000 | 4000 | ||
100毫米厚砌块墙双面抹灰 | 34.7 | 37.5 | 33.3 | 40.1 | 51.9 | 56.5 | 40.6 |
150毫米厚砌块墙双面抹灰 | 25.5 | 35.8 | 38.8 | 45.6 | 53.6 | 55.2 | 43.0 |
200毫米厚砌块墙双面抹灰 | 36.7 | 39.0 | 42.2 | 48.0 | 54.9 | 56.2 | 47.0 |
赫兹 | 125 | 250 | 500 | 1000 | 2000 | 4000 |
墙体厚度100mm | 10 | 12 | 13 | 18 | 28 | 34 |