| 大掺量粉煤灰混凝土的孔隙液相碱度 |
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| 引用本文： | 孟志良,吴仲兵.大掺量粉煤灰混凝土的孔隙液相碱度[J].土木与环境工程学报,1999,21(1):24-27. |
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| 作者姓名： | 孟志良 吴仲兵 |
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| 作者单位： | 重庆建筑大学材料科学与工程系 |
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| 摘 要： | 对比试验结果显示，大掺量粉煤灰混凝土孔隙液相碱度（ｐＨ值）与普通混凝土相比７天后降低明显，２００天接近１１．５的临界值，通过外掺适量石灰和硫酸钠，在强度不降低甚至有所提高的情况下，可显著提高粉煤灰混凝土的液相碱度。
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| 关 键 词： | 粉煤灰混凝土 碱度 石灰 硫酸钠 |
Alkalinity of Pore Fluid of High_addition Flyash Concrete |
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| Meng Zhiliang,Wu Zhongbin,Qian Jueshi.Alkalinity of Pore Fluid of High_addition Flyash Concrete[J].Journal of Civil and Environmental Engineering,1999,21(1):24-27. |
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| Authors: | Meng Zhiliang Wu Zhongbin Qian Jueshi |
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| Abstract: | It is shown that the alkalinity of pore fluid of high addition flyash concrete decreases more greatly than that of normal concrete after 7 days,closing to the threshold value of 11.5.Having added 10%lime and 1.5%Na2SO4 in flyash concrete,the alkalinity increased evidently without reducing its strength. |
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| Keywords: | flyash concrete degree of alkalinity lime sodium sulphate |
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