Kinetic Study of Portland Cement Hydration with Ground Penetrating Radar

机译：探地雷达硅酸盐水泥水化动力学研究。

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The variations of dielectric constant and the amplitude of reflected EM wave of concrete during the first 3 days are measured with Ground Penetrating Radar (GPR) at 20 ℃. The amplitude decreases sharply after mixing with water, and then increases till a stabilized stage, followed by a gradual decline. The relative dielectric constant decreases with increasing hydrating time. The results show that the dielectric properties of concrete can be used as an effective way of studying the kinetics of concrete setting and hardening process at early ages.

机译：用20℃的探地雷达（GPR）测量了混凝土在前3天的介电常数和反射电磁波的变化幅度。与水混合后，振幅急剧下降，然后上升直至稳定阶段，然后逐渐下降。相对介电常数随水合时间的增加而降低。结果表明，混凝土的介电性能可作为研究早期混凝土凝固和硬化过程动力学的有效方法。

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来源
《Testing and evaluation of advanced building materials》|2012年|25-29|共5页
会议地点 Shanghai(CN)
作者
Wei Chen; Peiliang Shen; Jianxin Lu; Wanru Zhang;
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作者单位

School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, P.R. China;

School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, P.R. China;

School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, P.R. China;

School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, P.R. China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类
关键词
Dielectric properties; Kinetics; Amplitude; Electromagnetic wave;

机译：介电性能动力学;振幅;电磁波;

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Kinetic Study of Portland Cement Hydration with Ground Penetrating Radar

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