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Q. When and why is sugar added to concrete?          

3 comments:

  1. To delay settling time. Like when the machine gets's stuck, you can pour in a sugar solution to relax it a bit.

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  2. sugar is added when we don't concrete to set quickly,as it increases the time of setting time of concrete.

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  3. Sugar acts as a retarder and delays the setting time of concrete.
    It is mostly added when concrete needs to be transported.

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