Computer · Concrete Technology
Choose the incorrect option with respect to sulfate attack on concrete.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Concrete attacked by sulfates has a whitish appearance, with damage starting at the edges and corners, followed by cracking and spalling.
- 2Improved resistance to sulfate attack can be achieved by using Portland Pozzolana cement.
- 3The vulnerability of concrete to sulfate attack can be reduced by using cement with a low percentage of tricalcium aluminate.
- 4Magnesium sulfate has less damaging effect than other sulfates present.✓
Correct answer
Magnesium sulfate has less damaging effect than other sulfates present.
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