Effect of curing regime on concrete resistivity and aging factor over time
Effect of curing regime on concrete resistivity and aging factor over time
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DOI：
10.1016/j.conbuildmat.2013.07.094
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发表时间：
2013-11
影响因子：
7.4
通讯作者：
F. Presuel-Moreno;Y. Wu;Y. Liu
中科院分区：
文献类型：
--
作者：
F. Presuel-Moreno;Y. Wu;Y. Liu
研究了三种不同组成的混凝土在不同养护制度下的电阻率随时间的变化规律。两个固化制度包括浸泡在自来水或3.5%NaCl溶液中的试样。其他三种固化制度包括暴露于：雾室，高湿度和实验室湿度。然后使用测量的电阻率值来估计老化因子。研究发现，矿物掺合料混凝土的老化系数与时间有关。固化暴露影响老化因子的大小。
The resistivity evolution vs. time of concrete prepared with three different compositions and subjected to various curing regimes for an extended period of time was studied. Two of the curing regimes consisted of immersing the specimens in either tap water or 3.5% NaCl solution. The other three curing regimes consisted of exposure to: fog room, high humidity and laboratory humidity. The measured resistivity values were then used to estimate the aging factor. It is found that the aging factor is time dependant for concrete with mineral admixtures. The curing exposure affects the magnitude of the aging factor.