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CSA A23.1

CSA A23.1

CSA A23.1

(OP)
I just need to know the %age of air content for both moderate and severe exposure for max. agg. sie 3/4" for freezing and thwing exposure

RE: CSA A23.1

5% to 8% seems optimum for high quality limestone aggregate.

RE: CSA A23.1

From Table 4 of A23.1

For Category 1:
10mm agg:  6-9%
14-20mm agg:  5-8%
28-40mm agg:  4-7%

For Category 2:
10mm agg:  5-8%
14-20mm agg:  4-7%
28-40mm agg:  3-6%
 

RE: CSA A23.1

dgkhan,

A please would have been nice!

RE: CSA A23.1

(OP)
Point noted csd72.
Thank you

RE: CSA A23.1

you're welcome...

Dik

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