There are several repair options for dust on concrete.
Dusting of slabs has several causes but always results when a layer of weak paste sits at concrete’s surface.
Why are ASTM standards important and why should concrete producers pay attention and follow them?
How we buy and sell aggregate is quite different, and it can lead to trouble. Most specifications require coarse and fine aggregate to conform to the requirements, including the gradation, of ASTM C33.
ACI 301 gives direction to what is to be done in the event compressive strength results have fallen below the specified strength.
