A Practical Guide for Site Personnel site Sampling and Texting of Concrete
A Practical Guide for Site Personnel site Sampling and Testing of Concrete explain the sampling of concrete and procedures of concrete tests base on;
- Compressive strength test
- Flexural strength test
- Slump test
Since taking concrete samples at the point-of-placement rather than the point-of-delivery is always preferable. Special situations may occur which create difficulties in sampling and transporting samples taken from the point-of-placement.
When this occurs, sampling at the point-of-delivery is satisfactory but only after running correlation tests between the two sampling locations.(Caution: The correction factors developed between the two sampling locations may vary due to changing conditions such as air and concrete temperature changes, pumping distances, etc. Perform correlation tests several times throughout the day.)
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