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1904.3.2 Calcium Chloride
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Calcium chloride as an admixture shall not be used in concrete to be exposed to those severe or very severe sulfate-containing solutions defined in Table 1904.3.
For SI: 1 pound per square inch = 0.00689 MPa.
SULFATE (SO4) IN
|Negligible||0.00 - 0.10||0 - 150|
|Moderateb||0.10 - 0.20||150 - 1,500||I, IP (MS),
IS (MS), P (MS),
|Severe||0.20 - 2.00||1,500 - 10,000||V||HS||0.45||4,500|
|Very severe||Over 2.00||Over 10,000||V plus
- A lower water-cementitious materials ratio or higher strength may be required for low permeability or for protection against corrosion of embedded items or freezing and thawing (see Table 1904.2.2).
- Pozzolan that has been determined by test or service record to improve sulfate resistance when used in concrete containing Type V cement.
- Pozzolan that has been determined by test or service record to improve sulfate resistance when used in concrete containing Type HS blended cement.
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