A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The physical and chemical characteristics of the shell of air-entrained bubbles in cement paste
AbstractRecent research has suggested that the shell of an air-entrained void is important for resisting coalescence between air-voids and diffusion of gas from the surrounding fluid. The current paper describes the physical and chemical properties of an air-void shell during the first 2 h of hydration and chemical characteristics at 60 days. Results from this research suggest that the air-void shells found in air-entrained paste have varied physical properties and the crystalline material of these shells is largely made up of fine cement particles during the first 2 h of hydration. Observations of paste at 60 days of hydration suggest that the shell is made up of calcium silicate hydrate (C–S–H) with a morphology different from that in the bulk paste.
The physical and chemical characteristics of the shell of air-entrained bubbles in cement paste
AbstractRecent research has suggested that the shell of an air-entrained void is important for resisting coalescence between air-voids and diffusion of gas from the surrounding fluid. The current paper describes the physical and chemical properties of an air-void shell during the first 2 h of hydration and chemical characteristics at 60 days. Results from this research suggest that the air-void shells found in air-entrained paste have varied physical properties and the crystalline material of these shells is largely made up of fine cement particles during the first 2 h of hydration. Observations of paste at 60 days of hydration suggest that the shell is made up of calcium silicate hydrate (C–S–H) with a morphology different from that in the bulk paste.
The physical and chemical characteristics of the shell of air-entrained bubbles in cement paste
Ley, M. Tyler (author) / Chancey, Ryan (author) / Juenger, Maria C.G. (author) / Folliard, Kevin J. (author)
Cement and Concrete Research ; 39 ; 417-425
2009-01-30
9 pages
Article (Journal)
Electronic Resource
English
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