What is the N-value in SPT testing?
A. Number of samples taken
B. Water content
C. Number of blows for 30 cm penetration
D. Number of blows for 60 cm penetration
Answer: Option C
Solution (By Examveda Team)
The N-value is the number of hammer blows required to drive the sampler 30 cm after an initial 15 cm seating.It helps classify soil consistency and bearing capacity.This Question Belongs to Geological Engineering >> Site Investigation And Geotechnical Exploration
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