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Non-destructive ultrasonic evaluation of thermal damage in cementitious materials
Thermal damage in cementitious materials (cement paste and microconcretes) subjected to high temperatures (T) up to 1000 degree C was monitored using a non-destructive, ultrasonic method of measurement of Young's modulus (E). Four cements were used: a Portland cement, two slag cements, and a ternary blend cement. Microconcretes were made by mixing cement, silica fume, quartz sand, and superplasticizer. Heat treating the materials at increasing T results in a decrease in E, more pronounced in microconcretes than in pastes. For a given sort of material (i.e. pastes or microconcretes) the curves of E/E0 = f(T) follow the same trend, whatever the kind of cement.
Non-destructive ultrasonic evaluation of thermal damage in cementitious materials
Thermal damage in cementitious materials (cement paste and microconcretes) subjected to high temperatures (T) up to 1000 degree C was monitored using a non-destructive, ultrasonic method of measurement of Young's modulus (E). Four cements were used: a Portland cement, two slag cements, and a ternary blend cement. Microconcretes were made by mixing cement, silica fume, quartz sand, and superplasticizer. Heat treating the materials at increasing T results in a decrease in E, more pronounced in microconcretes than in pastes. For a given sort of material (i.e. pastes or microconcretes) the curves of E/E0 = f(T) follow the same trend, whatever the kind of cement.
Non-destructive ultrasonic evaluation of thermal damage in cementitious materials
Zerstörungsfreie Ultraschall-Überwachung von thermischen Schäden in Zementwerkstoffen
Masse, S. (author) / Vetter, G. (author) / Boch, P. (author)
2001
4 Seiten, 4 Quellen
Conference paper
English
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