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6/10/2025, 1:03:00 AM

🔴Fresh Concrete Tests 🔴 1️⃣8.1 Perform the following tests for each sample of concrete from which specimens are made for acceptance testing for strength: 2️⃣8.1.1 Slump or Slump Flow— After remixing the sample in the receptacle, measure and record the slump or slump flow in accordance with Test Method C143/C143M or Test Method C1611/C1611M, respectively. 3️⃣8.1.2 Air Content— Determine and record the air content in accordance with either Test Method C173/C173M or Test Method C231/C231M. The concrete used in performing the air content test shall not be used in fabricating test specimens. 4️⃣8.1.3 Temperature— Determine and record the temperature in accordance with Test Method C1064/C1064M 5️⃣NOTE6—Some specifications may require the measurement of the unit weight of concrete. The volume of concrete produced per batch may be desired on some projects. Also, additional information on the air content measurements may be desired. Test Method C138/C138M is used to measure the unit weight, yield, and gravimetric air content of freshly mixed concrete Designation: C31/C31M−22 Standard Practice for Making and Curing Concrete Test Specimens in the Field1

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6/11/2025, 2:30:40 AM

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Civil Home

6/10/2025, 1:01:50 AM

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