The concrete is deemed not to comply with the strength requirements if the strength is less than the greater of
Civil Engineering
Structural Design Specifications
Choose an option
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Acharacteristic strength minus 1.35 times the standard deviation
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B0.8 times the characteristic strength
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Cthe average strength of all the samples is less than the characteristic strength plus times the standard deviation.
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Dall the above.
Answer
Correct Answer: all the above.