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中文摘要：
采用四电极法测试了不同混凝土配合比试件的表面电阻率,分析了表面电阻率随水灰比及胶凝材料配比的变化,并进一步对表面电阻率与电通量的相关性进行了回归分析。试验结果显示,表面电阻率随水灰比增大而减小,双掺矿渣和粉煤灰时混凝土的表面电阻率较大,表面电阻率与电通量具有较好相关性。
英文摘要：
Surface resistivity （SR） of concrete specimen with different mix proportions was tested by Wenner fourprobe measurement. The change of SR with water cement ratio and cementitious materials mix proportion was analyzed, and the relativity of SR and electric flux was discussed in this paper. The results show that, with water cement ratio increases, the SR decreases. When slag and fly ash both added in concrete, the SP of concrete is relatively high. SP and electric flux has good correlation.
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