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project | Concrete interface treatment | Interface treatment of aerated concrete | ||||
Shear bond strength Mpa | 7d | ≥1.0 | ≥0.7 | |||
14d | ≥1.5 | ≥1.0 | ||||
Tensile bond strength Mpa | Untreated | 7d | ≥0.4 | ≥0.3 | ||
14d | ≥0.6 | ≥0.5 | ||||
Soaking treatment | ≥0.5 | ≥0.3 | ||||
Heat treatment | ||||||
Freeze thaw cycle treatment | ||||||
Alkali treatment | ||||||
Airing time min | ---- | ≥10 |
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