Paper by KORSHUNOV LANGE from ISCR 7th 1994 Vienna Austria
The resistance of concrete pavements against frost and salt is ensured by creating the necessary volume of finely-dispersed air voids in the concrete by entraining air during the mixing process with appropriate admixtures. The influence of various structural and technological factors on the stability of entrained air and the formation of air porosity in concrete has been investigated. Some technological methods to ensure the frost resistance of concrete pavements are presented in this paper. Data on the influence of the concrete mixing and the hardening temperatures on porosity are also given.
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