

InterviewSolution
Saved Bookmarks
1. |
If characteristic compressive strength at 28 days is 40 N/mm2 and the standard deviation is 5 N/mm2, the target strength at 28 days for concrete mix proportioning |
Answer» If characteristic compressive strength at 28 days is 40 N/mm2 and the standard deviation is 5 N/mm2, the target strength at 28 days for concrete mix proportioning |
|