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What is the N-value in standard penetration testing

This question belongs to Geological Engineering Site Investigation And Geotechnical Exploration
Site Investigation and Geotechnical Exploration
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What is the N-value in standard penetration testing?

Answer & Solution
Correct Answer: Option C
N-value is the total number of hammer blows required to drive the sampler 30 cm into the soil after the initial seating blow.
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