Question 1.28: A concrete pile 6 m long has a diameter 300 mm. It is driven...

Strength of Materials

A concrete pile 6 m long has a diameter 300 mm. It is driven into the ground using a hammer of 5 kN. Calculate the height of fall of the hammer if the maximum instantaneous stress the concrete can withstand is 20 N/mm². Take the modulus of elasticity of concrete as 25000 N/mm².

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