Laserfiche WebLink
* r <br /> ACI 214 Summary of 1188426 [ 3000 psi] <br /> ACI 214 SUMMARY <br /> Statistical Strength Summary <br /> Average strength based on 46 tests 3640 psi <br /> Overall Standard Deviation 520 psi <br /> Control is Good <br /> Overall coefficient of variation : 14.29 % <br /> Overall within-test coefficient of variation : 1.88 % <br /> Control is Excellent <br /> Chance of strength falling below 3000 psi 10.9 % <br /> Chance of strength falling below 2500 psi 1 .4 % <br /> Chance of "Average of 3" below 3000 psi 1 .6 % <br /> ACI 214 Minimum Recommended Strength • 3712 psi <br /> Chance of strength less than specified - 500 <= 1 in 100 <br /> Chance of "Average of 3" less than specified <= 1 in 100 <br />