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Exposure Conditions Database: Structure categories
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Special cases are noticed:
When an exposure condition that includes sodium sulfate (Na2SO4) is applied, the Sulfate Contaminated Environments Selection window appears to help the user input the correct sulfate exposure, from Mild to Very Severe (recommendations for protecting concrete exposed to sulfate-contaminated environments, from Ref. [11]:

Figure 8.1 – Sulfate contamination environment selection
When a seawater exposure is selected, the user is invited to input the seawater salinity and STADIUM® computes the required values and parameters. Generally, salinity values range between 0–50‰, with 0 for softwater and 50‰ for very salty water.
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