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Published:1999
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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.
DOI:
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. DOI: 10.11835/j.issn.1674-4764.1999.01.006.
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。
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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