/ concrete / mix design
Of all the many things that we have learned to do to concrete through the proper use of admixtures, entrainment of air is the most difficult. The reason for this lies in the many factors that influence the amount of air that can be entrained by a given quantity of an air-entraining concrete admixture. Some of these factors and their effects are summarized below.
Factor | Effect |
---|---|
Cement |
|
Fine Aggregate |
|
Coarse Aggregate |
|
Water |
|
Slump |
|
Temperature |
|
Concrete Mixer |
|
Mixing Time |
|
Vibration |
|
Fly Ash |
|
Carbon Black |
|
Iron Oxides |
|
Clay |
|
Oil and Grease |
|
Chemical Admixture |
|
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Last Updated: 2023-06-28
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