An unusual energy source
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F.H. Wittmann
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Article
📅
1987
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Elsevier Science
🌐
English
⚖ 132 KB
Streaming potential of drying hardened cement paste is measured. It is shown that at high relative humidities liquid water is driven by capillary forces. At low relative humidities moisture transfer is due to vapour diffusion. By a steady water flow through a disc of hardened cement paste a streamin