Study on the electrical properties of young concrete
Tóm tắt
The process of hydration and solidification of young concrete has significant effect on the long term strength and durability of concrete. The electrical property of concrete provides a direct and practical method for monitoring and investigating the hydration process of young concrete. This study developed an advanced system for measurement of electrical parameters, used to study the electrical properties of young concrete. The test results provided the electric parameters for concretes with different water binder ratios and different mineral admixture incorporations. The variations and characteristics of the measured electrical parameters were closely related to the physical and chemical properties of young concrete. These parameters were used to analyze and study the hydration process of young concrete.
Tài liệu tham khảo
AboEI-Eneinetal, S. A., 1995. Electrical Conductivity of concrete containing silica fume. Cement and Concrete Research, 25(8): 1615–1620.
Banthea, N., Djeridane, S., Pigeon, M., 1992. Electrical resistivity of carbon and steel micro-fiber reinforced cements. Cement and Concrete Research, 22(5):804–814.
Calleja J., 1952. Effect of Current frequency on measurement of electrical resistance of cement pastes. Journal of the American concrete Institute, 24(4): 329–332.
Fu Xuli, Chung, D. D. L., 1996. Degree of dispersion of latex particles in cement paste, as assessed by electrical resistivity measurement. Cement and Concrete Research, 26(7): 985–991.
Hughs, B. P., Soleit, A. K. O., Brierley, R. W., 1985. New technique for determining the electric resistivity of concrete. Magazine of Concrete Research, 37(133): 243–248.
Khalaf, F. M., Wilson, J. G., 1999. Electrical properties of freshly mixed concrete. Journal of Materials in Civil Engineering, 11(3): 242–248.
Lakshminarayanan, V., RameshandS, P. S. Rajagopalan, R., 1992. A new technique for the measurement of the electrical resistivity of concrete. Magazine of Concrete research, 44(158): 47–52.
McCarter, W. J., Forde, M. C., Whittington, H. W., 1981. Resistivity Characteristics of Concrete. Proc. Instn Civ. Engrs., Part 2, p.107–117.
McCarter, W. J., Curran, P. N., 1984. The electrical response characteristics of setting cement past. Magazine of Concrete research, 36(126): 42–49.
Morris, W., Moreno, E. I., Sagues, A. A., 1966. Practical evaluation of resistivity of concrete in test cylinders using a weiner array probe. Cement and Concrete Research, 26(12): 1779–1787.
Tumidajski, P. J., Sehumacher, A. S., Perron, S., Gu, P., Beaudoin, J. J., 1996a. On the relationship between porosity and electrical resistivity in cementitious systems. Cement and Concrete Research, 26(4): 539–544.
Tumidajski, Peter J., 1996b. Electrical conductivity of portland cement mortars. Cement and Concrete Research, 26(4): 529–534.
Wilsonetal, J. G., Whittington, H. W., 1990. Variations in the electrical properties of concrete with change in frequency, JEE Proceedings, 137(5): 246–254.