Civil Engineering > GATE 2020 SET-1 > Geotechnical Engineering
In a soil investigation work at a site, Standard Penetration Test (SPT) was conducted at every 1.5 m interval up to 30 m depth. At 3 m depth, the observed number of hammer blows for three successive 150 mm penetrations were 8, 6 and 9, respectively. The SPT N-value at 3 m depth, is
A
23
B
17
C
15
D
14

Correct : c

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