Impedance spectroscopy study of the effect of environmental conditions in the microstructure development of OPC and slag cement mortars

• Autorzy: Ortega J. M. , Sánchez I. , Climent M. A.

Identyfikatory

DOI

10.1016/j.acme.2014.06.002

• Języki publikacji: EN

Abstrakty

EN

In this work, the microstructure of mortars made with an ordinary Portland cement and slag cement has been studied. These mortars were exposed to four different constant temperature and relative humidity environments during a 180-day period. The microstructure has been studied using impedance spectroscopy, and mercury intrusion porosimetry as a contrast technique. The impedance spectroscopy parameters make it possible to analyze the evolution of the solid fraction formation for the studied mortars and their results are confirmed with those obtained using mercury intrusion porosimetry. The development of the pore network of mortars is affected by the environment. However, slag cement mortars are more influenced by temperature while the relative humidity has a greater influence on the OPC mortars. The results show that slag cement mortars hardened under non-optimal environments have a more refined microstructure than OPC mortars for the studied environmental conditions.

Słowa kluczowe

EN

ordinary Portland cement; ground granulated blast-furnace slag; microstructure; impedance spectroscopy; environmental conditions

PL

spektroskopia impedancyjna; żużel wielkopiecowy; mikrostruktura

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2015
• Tom: Vol. 15, no. 2
• Strony: 569--583
• Opis fizyczny: Bibliogr. 51 poz., rys., tab., wykr.

Twórcy

autor

Ortega J. M.

• Departament d’Enginyeria Civil, Universitat d’Alacant, P.O. Box 99, 03080 Alacant/Alicante, Spain

autor

Sánchez I.

• Departament d’Enginyeria Civil, Universitat d’Alacant, P.O. Box 99, 03080 Alacant/Alicante, Spain

autor

Climent M. A.

• Departament d’Enginyeria Civil, Universitat d’Alacant, P.O. Box 99, 03080 Alacant/Alicante, Spain

Bibliografia

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