检验项目
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指标要求
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塌落度和塌落度扩展度,mm
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初始流动度
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≧340
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抗压强度,MPa
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3h
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≧30
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1d
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≧40
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28d
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≧60
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抗折强度,MPa
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3h
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≧4
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1d
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≧5
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28d
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≧8
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粘接强度,MPa
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3h
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≧1.5
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自由膨胀率,%
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1d
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≧0.02
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