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中文摘要：
通过比较表面电阻率测试数据的重复性及其与电通量的相关性，试验研究了试件类型、试件潮湿状况、探头间距及测试龄期等4个因素对试验室采用四电极法测试混凝土表面电阻率的影响。试验结果表明，在圆柱体试件处于饱和面干或湿润状态下，采用50mm探头间距进行28d龄期表面电阻率测试较为适宜；相比于试件类型、探头间距和测试龄期，试件潮湿状况对测试数据重复性的影响最大。
英文摘要：
By comparing the stability of Surface Resistivity（SR） test data and the relevancy of SR and electric flux, the influences of specimen type,moist content of specimen,probe spacing and testing age to experiments of testing SR by Wenner fourprobe measurement in laboratory were studied. The results show that,it＇s suitable to test the SR of a cylinder specimen in 28 d age in saturated surface dry or wet with 50 mm probe spacing. Compared with specimen type,probe spacing and testing age,moist content of specimen has the biggest impact on the results.
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