Asked by Antonio
A 4.8-m-tall, 30-cm-diameter concrete column supports a 5.0×105 kg load. By how much is the column compressed?
Answers
Answered by
drwls
compression distance = (column length)*strain
Strain = Stress/(Young's modulus)
Stress = (load)/(area) = M*g/[(pi/4)D^2]
Look up Young's modulus for concrete and do the numbers. The modulus might be dfferrnt if the concrete is reinforced with steel, as most is.
Strain = Stress/(Young's modulus)
Stress = (load)/(area) = M*g/[(pi/4)D^2]
Look up Young's modulus for concrete and do the numbers. The modulus might be dfferrnt if the concrete is reinforced with steel, as most is.
Answered by
drwls
According to information online, use 26,000*10^6 Pascals for Young's modulus of concrete, whether reinforced or not.
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