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Microstructure and Mechanical Properties of Shale Ceramsite Concrete
The influence of pre-wetted time on strength of shale ceramsite concrete is studied.Microstructures of both cement paste and interfacial zone between aggregate and paste of concrete are observed by scanning electronic microscope (SEM). The results show that, if the pre-wetted time of the shale ceramsite increased, the decline degree of early strength of concrete will be greater than strength at a longer age, and the growth rate of concrete strength may obviously increase. The pore characteristics of concrete at different ages is examined. The change tendency of concrete strength at different ages is revealed from the point of view of microstructure.
Microstructure and Mechanical Properties of Shale Ceramsite Concrete
The influence of pre-wetted time on strength of shale ceramsite concrete is studied.Microstructures of both cement paste and interfacial zone between aggregate and paste of concrete are observed by scanning electronic microscope (SEM). The results show that, if the pre-wetted time of the shale ceramsite increased, the decline degree of early strength of concrete will be greater than strength at a longer age, and the growth rate of concrete strength may obviously increase. The pore characteristics of concrete at different ages is examined. The change tendency of concrete strength at different ages is revealed from the point of view of microstructure.
Microstructure and Mechanical Properties of Shale Ceramsite Concrete
Key Engineering Materials ; 302-303 ; 371-375
2006-01-15
5 pages
Article (Journal)
Electronic Resource
English
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