More from CONCRETE CONSTRUCTION
Controlling Air Volume
Because nearly all exposed concrete in moderate and cold climates is specified to have entrained air, making sure the air volume is within spec and stable can be tricky.
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Help for Your Air
Maintaining the target for entrained air in fresh concrete is like walking on a tightrope over a canyon on a windy day. You have the goal to arrive at the other side. And you know the path you have to take. But it's a difficult task keeping all the variables in balance, and the consequences of failure are bad no matter which side you fall on.
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