How does silica fume help in reducing bleeding?
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Silica Fume reduces bleeding and enhances the cement paste bond to the aggregates. Thanks to its pozzolanic effect (reaction with carbonhydroxide ), and therefore to the strength improvement, Silica Fume can be used to reduce to the cement content of the mix.
Because of the high surface area of silica fume particles affecting the mobility of water within concrete, segregation and bleeding of concrete are virtually eliminated .
hope it helps u ^_^
Because of the high surface area of silica fume particles affecting the mobility of water within concrete, segregation and bleeding of concrete are virtually eliminated .
hope it helps u ^_^
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