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Grout Aggregate

Grout Aggregate

Grout Aggregate

(OP)
Typical grout manufacture requires use of pea gravel for application deeper than 3".  Is it really required or recommended?  why?

RE: Grout Aggregate

Strictly speaking, you could use a sand/cement/water mix.  But the gravel acts as a filler, and helps to reduce shrinkage.



Please see FAQ731-376 for great suggestions on how to make the best use of Eng-Tips Fora.  See FAQ158-922 for recommendations regarding the question, "How Do You Evaluate Fill Settlement Beneath Structures?"

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