采用压汞孔隙度法或氦孔隙度法预测硬化水泥浆体的水分输运特性

Advanced Cement Based Materials Pub Date : 1997-10-01 DOI:10.1016/S1065-7355(97)90019-5

G. Hedenblad

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引用次数: 25

摘要

硬化水泥浆体的透湿性通常不是恒定的，因为它取决于孔隙率和水泥浆体孔隙中的相对湿度(RH)，当RH超过约60 ~ 70%时。试验结果表明，水泥浆体的孔隙率与水泥浆体的透湿性有密切的关系。

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The use of mercury intrusion porosimetry or helium porosity to predict the moisture transport properties of hardened cement paste

The moisture permeability of hardened cement paste is normally not a constant, because it depends on both the porosity and the relative humidity (RH) in the pores of the cement paste when RH exceeds approximately 60 to 70%. The measured results show a strong relationship between the porosity of the cement paste and the moisture permeability.

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Advanced Cement Based Materials

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