Relation between ultrasound measurements and phase evolution in accelerated cementitious matrices

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• 作者：Renan P. Salvador^a ; ^b ; ^{renan.picolo@upc.edu} ; Sergio H.P. Cavalaro^a ; ^{sergio.pialarissi@upc.edu} ; Ignacio Segura^a ; ^c ; Margarita G. Herná ; ndez^d ; Javier Ranz^d ; Antonio D. de Figueiredo^e
• 关键词：Ultrasonic measurements ; Setting time ; Accelerator ; Hydration ; Sprayed concrete
• 刊名：Materials & Design
• 出版年：2017
• 出版时间：5 January 2017
• 年：2017
• 卷：113
• 期：Complete
• 页码：341-352
• 全文大小：1563 K
• 卷排序：113

文摘

Ultrasound velocity was sensitive to cement composition, accelerator type and dosage and phase composition of the matrix. Increase of P-wave velocity is directly proportional to hydration rates (mainly C3A hydration). Correlations between US velocity in mortars and their chemical properties and phase composition were established.