Figure 1. Picture of the main part of a non-electrode resistivity measurement

From

The Early Hydration Characteristics of Portland Cements with Superplasticizer Using Electrical Measurements

WANG Shengnian, WEI Xiaosheng, FAN Zhihong

American Journal of Civil Engineering and Architecture. 2016, 4(5), 153-158 doi:10.12691/ajcea-4-5-1