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3 cards from this section. Quick, good the night before a test.
What is the formula for calculating compressive strength?
Think about the maximum force divided by the area it acts upon.
What are the units for measuring compressive strength?
Recall conversion; 1 MPa is equal to how many N/mm²?
What does the compressive strength of concrete primarily assess?
Identify what is measured while under load.
True or False: The formula for compressive strength is P around A.
Remember the order of operations in arithmetic.
A batch of concrete tested under a controlled environment yielded a maximum load of 800 kN with a cube measurement of 300 mm x 300 mm. Calculate the compressive strength and discuss what influences would affect this result.
Ensure to convert kN into N to use this in the formula.
In a compressive strength test, samples yield varying results. One shows 30 MPa, another 25 MPa. Discuss how erroneous curing could lead to such discrepancies.
Consider how hydration dynamics might vary across different specimens.
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