The effect of initial moisture content on water transport in concrete containing a hydrophobic admixture

J. M. Aldred; S. Swaddiwudhipong; S. L. Lee

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The effect of initial moisture content on water transport in concrete containing a hydrophobic admixture

机译：初始水分含量对含疏水掺合料的混凝土中水输送的影响

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Tests on initially saturated and dried concrete containing a hydrophobic admixture showed that initial moisture content had a significant effect on measured water transport properties. Concrete specimens containing the hydrophobic additive significantly reduced water penetration when the concrete had been initially dried, and had limited or no positive effect on water penetration into initially saturated specimens. The reduction in water transport compared with the control was generally more pronounced in hydrophobic concrete of higher w/c ratio, as well as under conditions of limited curing and greater drying.

机译：对包含疏水性掺合料的初始饱和和干燥混凝土的测试表明，初始水分含量对测得的水传输性能有显着影响。当混凝土最初干燥时，含有疏水性添加剂的混凝土试样会显着降低水的渗透，并且对水渗透至初始饱和试样的影响有限或没有正面影响。在高w / c比的疏水混凝土中，以及在有限的养护和更大的干燥条件下，与对照相比，水输送的减少通常更为明显。

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《Magazine of Concrete Research》 |2001年第2期|p.127-134|共8页
作者
J. M. Aldred; S. Swaddiwudhipong; S. L. Lee;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类水泥工业;
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The effect of initial moisture content on water transport in concrete containing a hydrophobic admixture

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