Physics · Concrete Technology
The concrete grade M20 indicates that the characteristic compressive strength of 15 cm cubes after 28 days of curing is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 110 N/mm 2
- 215 N/mm 2
- 320 N/mm 2✓
- 425 N/mm 2
Correct answer
20 N/mm 2
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