Exam (elaborations)
ACI Concrete Strength Technician Exam|A+ Graded
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ACI Concrete Strength Technician Exam|A+ Graded What is ASTM C1231? Standard Practice for use of Unbonded Caps in determination of compressive strength of hardened cylindrical concrete specimens (C1231) The height (cavity) of the metal retaining ring must be (25 +/- 3mm) (C1231) If the...
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