There are many projects where the test specimens cannot be picked up at the site and returned to the laboratory within the allotted 4 hours. The proposed revision would extend the transportation time beyond the 4 hours, provided additional precautions are taken during transportation.
beams; casting samples; concrete; curing; cylinders; testing; Curing (of concrete); Cylindrical concrete specimens; Field testing--concrete/aggregates; Flexural testing--concrete; Casting samples; Concrete test specimens; Beams/girders;
Citing ASTM Standards
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