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A platform for research: civil engineering, architecture and urbanism
The reaction between aggregate and cement paste in autoclaved concrete
Abstract This study was made on the reaction between aggregate and cement paste in autoclaved concrete and its influence on compressive strenght. The specimens mixed with cement and various curshed minerals (149–74 μ) were autoclaved at 181°C for 1–168 hours. Quartz and feldspars (microcline, albite and anorthite) reacted to cement paste, whereas hornblende, augite and olivine did not react. The reaction rate of minerals were, in order, anorthite >quartz>microcline=albite. 11 A tobermorite was formed by the reaction between cement paste and quartz, and feldspars. Hydrogarnet was also formed by the reaction between cement paste and anorthite. The compresive strength of the specimens containing quartz and feldspars increased as the curing time was prolonged.
The reaction between aggregate and cement paste in autoclaved concrete
Abstract This study was made on the reaction between aggregate and cement paste in autoclaved concrete and its influence on compressive strenght. The specimens mixed with cement and various curshed minerals (149–74 μ) were autoclaved at 181°C for 1–168 hours. Quartz and feldspars (microcline, albite and anorthite) reacted to cement paste, whereas hornblende, augite and olivine did not react. The reaction rate of minerals were, in order, anorthite >quartz>microcline=albite. 11 A tobermorite was formed by the reaction between cement paste and quartz, and feldspars. Hydrogarnet was also formed by the reaction between cement paste and anorthite. The compresive strength of the specimens containing quartz and feldspars increased as the curing time was prolonged.
The reaction between aggregate and cement paste in autoclaved concrete
Harada, Michiaki (author) / Hagiwara, Yoshikazu (author)
1980
Article (Journal)
English
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