檢驗(yàn)項(xiàng)目
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指標(biāo)要求
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塌落度和塌落度擴(kuò)展度,mm
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初始流動(dòng)度
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≧340
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抗壓強(qiáng)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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抗折強(qiáng)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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粘接強(qiáng)度,MPa
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3h
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≧1.5
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自由膨脹率,%
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1d
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≧0.02
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