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4 cards from this section. Quick, good the night before a test.
What is the primary purpose of the compressive strength test?
Think about what the test measures.
Name a standard code used for the flexural strength test.
Look for well-known standards.
What is the primary indicator of concrete quality?
Focus on the most commonly tested property.
True or False: The split tensile test directly measures tensile strength.
Consider the definition of direct and indirect testing.
Given a concrete mix with a known compressive strength of 30 MPa, estimate the maximum load a cube with dimensions 150 mm × 150 mm could withstand.
Use the formula for compressive strength to find maximum load.
If a test shows a bond strength of 1.5 N/mm² for a reinforcing bar of diameter 12 mm and embedded length of 100 mm, calculate the maximum load applied in the pull-out test.
Substitute values into the bond strength equation to find P.
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