Saturday, December 17, 2011

Bleeding

  • Upward movement of water after concete have been consolidated , but before it has set . 
  • Reduce by : 
  1. Increasing cement fineness or using pozzolans or other finely divided mineral ad mixtures 
  2. Increasing the rate of hydration of cement ( eg. use high - alkalis contents ) 
  3. Through air entrainment 
  4. Reducing the water content 

No comments:

Post a Comment